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 interfaces_full [ic->interface_id] = ic;
2549 interface_offsets_full [ic->interface_id] = cur_slot;
2550 cur_slot += ic->method.count;
2552 g_ptr_array_free (ifaces, TRUE);
2555 for (k = class->parent; k ; k = k->parent) {
2556 ifaces = mono_class_get_implemented_interfaces (k);
2558 for (i = 0; i < ifaces->len; ++i) {
2559 ic = g_ptr_array_index (ifaces, i);
2561 if (interface_offsets_full [ic->interface_id] == -1) {
2562 int io = mono_class_interface_offset (k, ic);
2566 interfaces_full [ic->interface_id] = ic;
2567 interface_offsets_full [ic->interface_id] = io;
2570 g_ptr_array_free (ifaces, TRUE);
2574 if (MONO_CLASS_IS_INTERFACE (class)) {
2575 interfaces_full [class->interface_id] = class;
2576 interface_offsets_full [class->interface_id] = cur_slot;
2579 if (num_array_interfaces) {
2580 if (is_enumerator) {
2581 int ienumerator_offset;
2582 int ienumerator_idx = find_array_interface (class, "IEnumerator`1");
2583 ienumerator_offset = interface_offsets_full [class->interfaces [ienumerator_idx]->interface_id];
2584 for (i = 0; i < num_array_interfaces; ++i) {
2585 ic = array_interfaces [i];
2586 interfaces_full [ic->interface_id] = ic;
2587 if (strcmp (ic->name, "IEnumerator`1") == 0)
2588 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2590 g_assert_not_reached ();
2591 /*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);*/
2594 int ilist_offset, icollection_offset, ienumerable_offset;
2595 int ilist_iface_idx = find_array_interface (class, "IList`1");
2596 int icollection_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "ICollection`1");
2597 int ienumerable_iface_idx = find_array_interface (class->interfaces [ilist_iface_idx], "IEnumerable`1");
2598 ilist_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interface_id];
2599 icollection_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [icollection_iface_idx]->interface_id];
2600 ienumerable_offset = interface_offsets_full [class->interfaces [ilist_iface_idx]->interfaces [ienumerable_iface_idx]->interface_id];
2601 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2602 for (i = 0; i < num_array_interfaces; ++i) {
2603 ic = array_interfaces [i];
2604 interfaces_full [ic->interface_id] = ic;
2605 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2606 interface_offsets_full [ic->interface_id] = ilist_offset;
2607 else if (strcmp (ic->name, "ICollection`1") == 0)
2608 interface_offsets_full [ic->interface_id] = icollection_offset;
2609 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2610 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2612 g_assert_not_reached ();
2613 /*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);*/
2618 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2619 if (interface_offsets_full [i] != -1) {
2620 interface_offsets_count ++;
2625 * We might get called twice: once from mono_class_init () then once from
2626 * mono_class_setup_vtable ().
2628 if (class->interfaces_packed) {
2629 g_assert (class->interface_offsets_count == interface_offsets_count);
2631 class->interface_offsets_count = interface_offsets_count;
2632 class->interfaces_packed = mono_image_alloc (class->image, sizeof (MonoClass*) * interface_offsets_count);
2633 class->interface_offsets_packed = mono_image_alloc (class->image, sizeof (guint16) * interface_offsets_count);
2634 class->interface_bitmap = mono_image_alloc0 (class->image, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2635 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2636 if (interface_offsets_full [i] != -1) {
2637 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2638 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2639 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2640 /*if (num_array_interfaces)
2641 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]);*/
2642 interface_offsets_count ++;
2647 g_free (interfaces_full);
2648 g_free (interface_offsets_full);
2649 g_free (array_interfaces);
2651 //printf ("JUST DONE: ");
2652 //print_implemented_interfaces (class);
2658 * Setup interface offsets for interfaces.
2660 * - class->max_interface_id
2661 * - class->interface_offsets_count
2662 * - class->interfaces_packed
2663 * - class->interface_offsets_packed
2664 * - class->interface_bitmap
2667 mono_class_setup_interface_offsets (MonoClass *class)
2669 mono_loader_lock ();
2671 setup_interface_offsets (class, 0);
2673 mono_loader_unlock ();
2677 * mono_class_setup_vtable:
2679 * Creates the generic vtable of CLASS.
2680 * Initializes the following fields in MonoClass:
2683 * Plus all the fields initialized by setup_interface_offsets ().
2684 * If there is an error during vtable construction, class->exception_type is set.
2686 * LOCKING: Acquires the loader lock.
2689 mono_class_setup_vtable (MonoClass *class)
2691 MonoMethod **overrides;
2692 MonoGenericContext *context;
2701 if (mono_debug_using_mono_debugger ())
2702 /* The debugger currently depends on this */
2703 mono_class_setup_methods (class);
2705 if (MONO_CLASS_IS_INTERFACE (class)) {
2706 /* This sets method->slot for all methods if this is an interface */
2707 mono_class_setup_methods (class);
2711 mono_loader_lock ();
2713 if (class->vtable) {
2714 mono_loader_unlock ();
2718 mono_stats.generic_vtable_count ++;
2720 if (class->generic_class) {
2721 context = mono_class_get_context (class);
2722 type_token = class->generic_class->container_class->type_token;
2724 context = (MonoGenericContext *) class->generic_container;
2725 type_token = class->type_token;
2728 if (class->image->dynamic) {
2729 if (class->generic_class) {
2730 MonoClass *gklass = class->generic_class->container_class;
2732 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2733 for (i = 0; i < onum; ++i) {
2734 MonoMethod *override = overrides [(i * 2) + 1];
2735 MonoMethod *inflated = NULL;
2738 for (j = 0; j < class->method.count; ++j) {
2739 if (gklass->methods [j] == override) {
2740 inflated = class->methods [j];
2744 g_assert (inflated);
2746 overrides [(i * 2) + 1] = inflated;
2749 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2752 /* The following call fails if there are missing methods in the type */
2753 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2757 mono_class_setup_vtable_general (class, overrides, onum);
2761 mono_loader_unlock ();
2766 #define DEBUG_INTERFACE_VTABLE_CODE 0
2767 #define TRACE_INTERFACE_VTABLE_CODE 0
2768 #define VERIFY_INTERFACE_VTABLE_CODE 0
2770 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2771 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2775 #define DEBUG_INTERFACE_VTABLE(stmt)
2778 #if TRACE_INTERFACE_VTABLE_CODE
2779 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2783 #define TRACE_INTERFACE_VTABLE(stmt)
2786 #if VERIFY_INTERFACE_VTABLE_CODE
2787 #define VERIFY_INTERFACE_VTABLE(stmt) do {\
2791 #define VERIFY_INTERFACE_VTABLE(stmt)
2795 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2797 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2801 GString *res = g_string_new ("");
2803 g_string_append_c (res, '(');
2804 for (i = 0; i < sig->param_count; ++i) {
2806 g_string_append_c (res, ',');
2807 mono_type_get_desc (res, sig->params [i], include_namespace);
2809 g_string_append (res, ")=>");
2810 if (sig->ret != NULL) {
2811 mono_type_get_desc (res, sig->ret, include_namespace);
2813 g_string_append (res, "NULL");
2816 g_string_free (res, FALSE);
2820 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2821 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2822 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2823 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2831 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) {
2832 if (strcmp (im->name, cm->name) == 0) {
2833 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2834 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2837 if (! slot_is_empty) {
2838 if (require_newslot) {
2839 if (! interface_is_explicitly_implemented_by_class) {
2840 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2843 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2844 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2848 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2851 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2852 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2853 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2854 TRACE_INTERFACE_VTABLE (printf ("]"));
2857 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2858 /* CAS - SecurityAction.InheritanceDemand on interface */
2859 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2860 mono_secman_inheritancedemand_method (cm, im);
2863 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2864 mono_security_core_clr_check_override (class, cm, im);
2865 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2868 MonoClass *ic = im->klass;
2869 const char *ic_name_space = ic->name_space;
2870 const char *ic_name = ic->name;
2873 if (! require_newslot) {
2874 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2877 if (cm->klass->rank == 0) {
2878 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2881 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2882 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2883 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2884 TRACE_INTERFACE_VTABLE (printf ("]"));
2887 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2888 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2891 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2892 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2895 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2896 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2900 subname = strstr (cm->name, ic_name_space);
2901 if (subname != cm->name) {
2902 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2905 subname += strlen (ic_name_space);
2906 if (subname [0] != '.') {
2907 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2911 if (strstr (subname, ic_name) != subname) {
2912 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2915 subname += strlen (ic_name);
2916 if (subname [0] != '.') {
2917 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2921 if (strcmp (subname, im->name) != 0) {
2922 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2926 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2927 /* CAS - SecurityAction.InheritanceDemand on interface */
2928 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2929 mono_secman_inheritancedemand_method (cm, im);
2932 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2933 mono_security_core_clr_check_override (class, cm, im);
2935 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2940 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2942 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2943 MonoMethod *method = key;
2944 MonoMethod *override = value;
2945 MonoClass *method_class = mono_method_get_class (method);
2946 MonoClass *override_class = mono_method_get_class (override);
2948 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2949 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2950 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2953 print_overrides (GHashTable *override_map, const char *message) {
2955 printf ("Override map \"%s\" START:\n", message);
2956 g_hash_table_foreach (override_map, foreach_override, NULL);
2957 printf ("Override map \"%s\" END.\n", message);
2959 printf ("Override map \"%s\" EMPTY.\n", message);
2963 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2964 char *full_name = mono_type_full_name (&class->byval_arg);
2968 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2970 if (print_interfaces) {
2971 print_implemented_interfaces (class);
2972 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2975 if (class->parent) {
2976 parent_size = class->parent->vtable_size;
2980 for (i = 0; i < size; ++i) {
2981 MonoMethod *cm = vtable [i];
2983 char *cm_name = mono_method_full_name (cm, TRUE);
2984 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2985 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
2994 #if VERIFY_INTERFACE_VTABLE_CODE
2996 mono_method_try_get_vtable_index (MonoMethod *method)
2998 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
2999 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3000 if (imethod->declaring->is_generic)
3001 return imethod->declaring->slot;
3003 return method->slot;
3007 mono_class_verify_vtable (MonoClass *class)
3010 char *full_name = mono_type_full_name (&class->byval_arg);
3012 printf ("*** Verifying VTable of class '%s' \n", full_name);
3016 if (!class->methods)
3019 for (i = 0; i < class->method.count; ++i) {
3020 MonoMethod *cm = class->methods [i];
3023 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3027 full_name = mono_method_full_name (cm, TRUE);
3029 slot = mono_method_try_get_vtable_index (cm);
3031 if (slot >= class->vtable_size) {
3032 printf ("\tInvalid method %s at index %d with vtable of length %d\n", full_name, slot, class->vtable_size);
3036 if (slot >= 0 && class->vtable [slot] != cm && (class->vtable [slot])) {
3037 char *other_name = class->vtable [slot] ? mono_method_full_name (class->vtable [slot], TRUE) : g_strdup ("[null value]");
3038 printf ("\tMethod %s has slot %d but vtable has %s on it\n", full_name, slot, other_name);
3039 g_free (other_name);
3042 printf ("\tVirtual method %s does n't have an assigned slot\n", full_name);
3049 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
3051 char *method_signature;
3054 for (index = 0; index < onum; ++index) {
3055 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
3056 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
3058 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
3059 type_name = mono_type_full_name (&class->byval_arg);
3060 printf ("no implementation for interface method %s::%s(%s) in class %s\n",
3061 mono_type_get_name (&ic->byval_arg), im->name, method_signature, type_name);
3062 g_free (method_signature);
3064 mono_class_setup_methods (class);
3065 for (index = 0; index < class->method.count; ++index) {
3066 MonoMethod *cm = class->methods [index];
3067 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
3069 printf ("METHOD %s(%s)\n", cm->name, method_signature);
3070 g_free (method_signature);
3075 verify_class_overrides (MonoClass *class, GPtrArray *ifaces, MonoMethod **overrides, int onum)
3080 for (i = 0; i < onum; ++i) {
3081 MonoMethod *decl = overrides [i * 2];
3082 MonoMethod *body = overrides [i * 2 + 1];
3084 if (mono_class_get_generic_type_definition (body->klass) != mono_class_get_generic_type_definition (class)) {
3085 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method belongs to a different class than the declared one"));
3090 /*We can't use mono_class_is_assignable_from since it requires the class to be fully initialized*/
3093 for (j = 0; j < ifaces->len; j++) {
3094 MonoClass *ic = g_ptr_array_index (ifaces, j);
3095 if (decl->klass == ic) {
3103 MonoClass *parent = class;
3105 if (decl->klass == parent) {
3109 parent = parent->parent;
3114 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, g_strdup ("Method overrides a class or interface that extended or implemented by this type"));
3121 * LOCKING: this is supposed to be called with the loader lock held.
3124 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
3127 MonoMethod **vtable;
3128 int i, max_vtsize = 0, max_iid, cur_slot = 0;
3129 GPtrArray *ifaces = NULL;
3130 GHashTable *override_map = NULL;
3131 gboolean security_enabled = mono_is_security_manager_active ();
3133 gpointer class_iter;
3134 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
3135 int first_non_interface_slot;
3141 ifaces = mono_class_get_implemented_interfaces (class);
3143 if (overrides && !verify_class_overrides (class, ifaces, overrides, onum)) {
3145 g_ptr_array_free (ifaces, TRUE);
3150 for (i = 0; i < ifaces->len; i++) {
3151 MonoClass *ic = g_ptr_array_index (ifaces, i);
3152 max_vtsize += ic->method.count;
3154 g_ptr_array_free (ifaces, TRUE);
3158 if (class->parent) {
3159 mono_class_init (class->parent);
3160 mono_class_setup_vtable (class->parent);
3161 max_vtsize += class->parent->vtable_size;
3162 cur_slot = class->parent->vtable_size;
3165 max_vtsize += class->method.count;
3167 vtable = alloca (sizeof (gpointer) * max_vtsize);
3168 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
3170 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
3172 cur_slot = setup_interface_offsets (class, cur_slot);
3173 max_iid = class->max_interface_id;
3174 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
3176 /* Optimized version for generic instances */
3177 if (class->generic_class) {
3178 MonoClass *gklass = class->generic_class->container_class;
3181 mono_class_setup_vtable (gklass);
3182 if (gklass->exception_type != MONO_EXCEPTION_NONE) {
3183 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3187 tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * gklass->vtable_size);
3188 class->vtable_size = gklass->vtable_size;
3189 for (i = 0; i < gklass->vtable_size; ++i)
3190 if (gklass->vtable [i]) {
3191 tmp [i] = mono_class_inflate_generic_method_full (gklass->vtable [i], class, mono_class_get_context (class));
3192 tmp [i]->slot = gklass->vtable [i]->slot;
3194 mono_memory_barrier ();
3195 class->vtable = tmp;
3197 /* Have to set method->slot for abstract virtual methods */
3198 if (class->methods && gklass->methods) {
3199 for (i = 0; i < class->method.count; ++i)
3200 if (class->methods [i]->slot == -1)
3201 class->methods [i]->slot = gklass->methods [i]->slot;
3207 if (class->parent && class->parent->vtable_size) {
3208 MonoClass *parent = class->parent;
3211 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
3213 // Also inherit parent interface vtables, just as a starting point.
3214 // This is needed otherwise bug-77127.exe fails when the property methods
3215 // have different names in the iterface and the class, because for child
3216 // classes the ".override" information is not used anymore.
3217 for (i = 0; i < parent->interface_offsets_count; i++) {
3218 MonoClass *parent_interface = parent->interfaces_packed [i];
3219 int interface_offset = mono_class_interface_offset (class, parent_interface);
3221 if (interface_offset >= parent->vtable_size) {
3222 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
3225 mono_class_setup_methods (parent_interface);
3226 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
3227 for (j = 0; j < parent_interface->method.count; j++) {
3228 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
3229 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
3230 parent_interface_offset + j, parent_interface_offset, j,
3231 interface_offset + j, interface_offset, j));
3238 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
3239 /* override interface methods */
3240 for (i = 0; i < onum; i++) {
3241 MonoMethod *decl = overrides [i*2];
3242 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
3244 dslot = mono_method_get_vtable_slot (decl) + mono_class_interface_offset (class, decl->klass);
3245 vtable [dslot] = overrides [i*2 + 1];
3246 vtable [dslot]->slot = dslot;
3248 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3250 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
3252 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3253 mono_security_core_clr_check_override (class, vtable [dslot], decl);
3256 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
3257 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
3259 // Loop on all implemented interfaces...
3260 for (i = 0; i < class->interface_offsets_count; i++) {
3261 MonoClass *parent = class->parent;
3263 gboolean interface_is_explicitly_implemented_by_class;
3266 ic = class->interfaces_packed [i];
3267 ic_offset = mono_class_interface_offset (class, ic);
3269 mono_class_setup_methods (ic);
3271 // Check if this interface is explicitly implemented (instead of just inherited)
3272 if (parent != NULL) {
3273 int implemented_interfaces_index;
3274 interface_is_explicitly_implemented_by_class = FALSE;
3275 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
3276 if (ic == class->interfaces [implemented_interfaces_index]) {
3277 interface_is_explicitly_implemented_by_class = TRUE;
3282 interface_is_explicitly_implemented_by_class = TRUE;
3285 // Loop on all interface methods...
3286 for (im_index = 0; im_index < ic->method.count; im_index++) {
3287 MonoMethod *im = ic->methods [im_index];
3288 int im_slot = ic_offset + im->slot;
3289 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
3291 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3294 // If there is an explicit implementation, just use it right away,
3295 // otherwise look for a matching method
3296 if (override_im == NULL) {
3301 // First look for a suitable method among the class methods
3303 while ((cm = mono_class_get_virtual_methods (class, &iter))) {
3304 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)));
3305 if (check_interface_method_override (class, im, cm, TRUE, interface_is_explicitly_implemented_by_class, (vtable [im_slot] == NULL), security_enabled)) {
3306 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
3307 vtable [im_slot] = cm;
3308 /* Why do we need this? */
3313 TRACE_INTERFACE_VTABLE (printf ("\n"));
3316 // If the slot is still empty, look in all the inherited virtual methods...
3317 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
3318 MonoClass *parent = class->parent;
3319 // Reverse order, so that last added methods are preferred
3320 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
3321 MonoMethod *cm = parent->vtable [cm_index];
3323 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));
3324 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
3325 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
3326 vtable [im_slot] = cm;
3327 /* Why do we need this? */
3333 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
3337 g_assert (vtable [im_slot] == override_im);
3342 // If the class is not abstract, check that all its interface slots are full.
3343 // The check is done here and not directly at the end of the loop above because
3344 // it can happen (for injected generic array interfaces) that the same slot is
3345 // processed multiple times (those interfaces have overlapping slots), and it
3346 // will not always be the first pass the one that fills the slot.
3347 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
3348 for (i = 0; i < class->interface_offsets_count; i++) {
3352 ic = class->interfaces_packed [i];
3353 ic_offset = mono_class_interface_offset (class, ic);
3355 for (im_index = 0; im_index < ic->method.count; im_index++) {
3356 MonoMethod *im = ic->methods [im_index];
3357 int im_slot = ic_offset + im->slot;
3359 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3362 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
3363 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
3364 if (vtable [im_slot] == NULL) {
3365 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
3366 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3368 g_hash_table_destroy (override_map);
3375 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
3377 while ((cm = mono_class_get_virtual_methods (class, &class_iter))) {
3379 * If the method is REUSE_SLOT, we must check in the
3380 * base class for a method to override.
3382 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3384 for (k = class->parent; k ; k = k->parent) {
3389 while ((m1 = mono_class_get_virtual_methods (k, &k_iter))) {
3390 MonoMethodSignature *cmsig, *m1sig;
3392 cmsig = mono_method_signature (cm);
3393 m1sig = mono_method_signature (m1);
3395 if (!cmsig || !m1sig) {
3396 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3400 if (!strcmp(cm->name, m1->name) &&
3401 mono_metadata_signature_equal (cmsig, m1sig)) {
3403 /* CAS - SecurityAction.InheritanceDemand */
3404 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3405 mono_secman_inheritancedemand_method (cm, m1);
3408 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3409 mono_security_core_clr_check_override (class, cm, m1);
3411 slot = mono_method_get_vtable_slot (m1);
3412 g_assert (cm->slot < max_vtsize);
3414 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3415 g_hash_table_insert (override_map, m1, cm);
3427 cm->slot = cur_slot++;
3429 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3430 vtable [cm->slot] = cm;
3433 /* override non interface methods */
3434 for (i = 0; i < onum; i++) {
3435 MonoMethod *decl = overrides [i*2];
3436 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3437 g_assert (decl->slot != -1);
3438 vtable [decl->slot] = overrides [i*2 + 1];
3439 overrides [i * 2 + 1]->slot = decl->slot;
3441 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3442 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3444 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3445 mono_security_core_clr_check_override (class, vtable [decl->slot], decl);
3450 * If a method occupies more than one place in the vtable, and it is
3451 * overriden, then change the other occurances too.
3454 for (i = 0; i < max_vtsize; ++i)
3456 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3461 g_hash_table_destroy (override_map);
3464 if (class->generic_class) {
3465 MonoClass *gklass = class->generic_class->container_class;
3467 mono_class_init (gklass);
3469 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3471 /* Check that the vtable_size value computed in mono_class_init () is correct */
3472 if (class->vtable_size)
3473 g_assert (cur_slot == class->vtable_size);
3474 class->vtable_size = cur_slot;
3477 /* Try to share the vtable with our parent. */
3478 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3479 mono_memory_barrier ();
3480 class->vtable = class->parent->vtable;
3482 MonoMethod **tmp = mono_image_alloc0 (class->image, sizeof (gpointer) * class->vtable_size);
3483 memcpy (tmp, vtable, sizeof (gpointer) * class->vtable_size);
3484 mono_memory_barrier ();
3485 class->vtable = tmp;
3488 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3489 if (mono_print_vtable) {
3492 print_implemented_interfaces (class);
3494 for (i = 0; i <= max_iid; i++)
3495 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3498 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3499 class->vtable_size, icount);
3501 for (i = 0; i < class->vtable_size; ++i) {
3506 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3507 mono_method_full_name (cm, TRUE));
3513 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3514 class->name, max_iid);
3516 for (i = 0; i < class->interface_count; i++) {
3517 ic = class->interfaces [i];
3518 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3519 mono_class_interface_offset (class, ic),
3520 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3523 for (k = class->parent; k ; k = k->parent) {
3524 for (i = 0; i < k->interface_count; i++) {
3525 ic = k->interfaces [i];
3526 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3527 mono_class_interface_offset (class, ic),
3528 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3534 VERIFY_INTERFACE_VTABLE (mono_class_verify_vtable (class));
3538 * mono_method_get_vtable_slot:
3540 * Returns method->slot, computing it if neccesary.
3541 * LOCKING: Acquires the loader lock.
3544 mono_method_get_vtable_slot (MonoMethod *method)
3546 if (method->slot == -1) {
3547 mono_class_setup_vtable (method->klass);
3548 g_assert (method->slot != -1);
3550 return method->slot;
3554 * mono_method_get_vtable_index:
3557 * Returns the index into the runtime vtable to access the method or,
3558 * in the case of a virtual generic method, the virtual generic method
3562 mono_method_get_vtable_index (MonoMethod *method)
3564 if (method->is_inflated && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) {
3565 MonoMethodInflated *imethod = (MonoMethodInflated*)method;
3566 if (imethod->declaring->is_generic)
3567 return mono_method_get_vtable_slot (imethod->declaring);
3569 return mono_method_get_vtable_slot (method);
3572 static MonoMethod *default_ghc = NULL;
3573 static MonoMethod *default_finalize = NULL;
3574 static int finalize_slot = -1;
3575 static int ghc_slot = -1;
3578 initialize_object_slots (MonoClass *class)
3583 if (class == mono_defaults.object_class) {
3584 mono_class_setup_vtable (class);
3585 for (i = 0; i < class->vtable_size; ++i) {
3586 MonoMethod *cm = class->vtable [i];
3588 if (!strcmp (cm->name, "GetHashCode"))
3590 else if (!strcmp (cm->name, "Finalize"))
3594 g_assert (ghc_slot > 0);
3595 default_ghc = class->vtable [ghc_slot];
3597 g_assert (finalize_slot > 0);
3598 default_finalize = class->vtable [finalize_slot];
3603 MonoMethod *array_method;
3605 } GenericArrayMethodInfo;
3607 static int generic_array_method_num = 0;
3608 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3611 generic_array_methods (MonoClass *class)
3613 int i, count_generic = 0;
3614 GList *list = NULL, *tmp;
3615 if (generic_array_method_num)
3616 return generic_array_method_num;
3617 mono_class_setup_methods (class->parent);
3618 for (i = 0; i < class->parent->method.count; i++) {
3619 MonoMethod *m = class->parent->methods [i];
3620 if (!strncmp (m->name, "InternalArray__", 15)) {
3622 list = g_list_prepend (list, m);
3625 list = g_list_reverse (list);
3626 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3628 for (tmp = list; tmp; tmp = tmp->next) {
3629 const char *mname, *iname;
3631 MonoMethod *m = tmp->data;
3632 generic_array_method_info [i].array_method = m;
3633 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3634 iname = "System.Collections.Generic.ICollection`1.";
3635 mname = m->name + 27;
3636 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3637 iname = "System.Collections.Generic.IEnumerable`1.";
3638 mname = m->name + 27;
3639 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3640 iname = "System.Collections.Generic.IList`1.";
3641 mname = m->name + 15;
3643 g_assert_not_reached ();
3646 name = mono_image_alloc (mono_defaults.corlib, strlen (iname) + strlen (mname) + 1);
3647 strcpy (name, iname);
3648 strcpy (name + strlen (iname), mname);
3649 generic_array_method_info [i].name = name;
3652 /*g_print ("array generic methods: %d\n", count_generic);*/
3654 generic_array_method_num = count_generic;
3656 return generic_array_method_num;
3660 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos)
3662 MonoGenericContext tmp_context;
3665 tmp_context.class_inst = NULL;
3666 tmp_context.method_inst = iface->generic_class->context.class_inst;
3667 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3669 for (i = 0; i < generic_array_method_num; i++) {
3670 MonoMethod *m = generic_array_method_info [i].array_method;
3671 MonoMethod *inflated;
3673 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3674 methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3679 concat_two_strings_with_zero (MonoImage *image, const char *s1, const char *s2)
3681 int len = strlen (s1) + strlen (s2) + 2;
3682 char *s = mono_image_alloc (image, len);
3685 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3686 g_assert (result == len - 1);
3692 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3694 gpointer exception_data = NULL;
3696 switch (error->exception_type) {
3697 case MONO_EXCEPTION_TYPE_LOAD:
3698 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->assembly_name);
3701 case MONO_EXCEPTION_MISSING_METHOD:
3702 exception_data = concat_two_strings_with_zero (class->image, error->class_name, error->member_name);
3705 case MONO_EXCEPTION_MISSING_FIELD: {
3706 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3707 const char *class_name;
3710 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3712 class_name = error->klass->name;
3714 exception_data = concat_two_strings_with_zero (class->image, class_name, error->member_name);
3717 g_free ((void*)class_name);
3721 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3724 if (error->ref_only)
3725 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.";
3727 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3729 exception_data = concat_two_strings_with_zero (class->image, msg, error->assembly_name);
3733 case MONO_EXCEPTION_BAD_IMAGE:
3734 exception_data = error->msg;
3738 g_assert_not_reached ();
3741 mono_class_set_failure (class, error->exception_type, exception_data);
3746 * @class: the class to initialize
3748 * Compute the instance_size, class_size and other infos that cannot be
3749 * computed at mono_class_get() time. Also compute vtable_size if possible.
3750 * Returns TRUE on success or FALSE if there was a problem in loading
3751 * the type (incorrect assemblies, missing assemblies, methods, etc).
3753 * LOCKING: Acquires the loader lock.
3756 mono_class_init (MonoClass *class)
3759 MonoCachedClassInfo cached_info;
3760 gboolean has_cached_info;
3761 int class_init_ok = TRUE;
3765 /* Double-checking locking pattern */
3767 return class->exception_type == MONO_EXCEPTION_NONE;
3769 /*g_print ("Init class %s\n", class->name);*/
3771 /* We do everything inside the lock to prevent races */
3772 mono_loader_lock ();
3774 if (class->inited) {
3775 mono_loader_unlock ();
3776 /* Somebody might have gotten in before us */
3777 return class->exception_type == MONO_EXCEPTION_NONE;
3780 if (class->init_pending) {
3781 mono_loader_unlock ();
3782 /* this indicates a cyclic dependency */
3783 g_error ("pending init %s.%s\n", class->name_space, class->name);
3786 class->init_pending = 1;
3788 /* CAS - SecurityAction.InheritanceDemand */
3789 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3790 mono_secman_inheritancedemand_class (class, class->parent);
3793 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3794 mono_security_core_clr_check_inheritance (class);
3796 mono_stats.initialized_class_count++;
3798 if (class->generic_class && !class->generic_class->is_dynamic) {
3799 MonoClass *gklass = class->generic_class->container_class;
3801 mono_stats.generic_class_count++;
3803 class->method = gklass->method;
3804 class->field = gklass->field;
3806 mono_class_init (gklass);
3807 // FIXME: Why is this needed ?
3808 mono_class_setup_methods (gklass);
3810 if (MONO_CLASS_IS_INTERFACE (class))
3811 class->interface_id = mono_get_unique_iid (class);
3814 if (class->parent && !class->parent->inited)
3815 mono_class_init (class->parent);
3817 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3819 if (class->generic_class || class->image->dynamic || !class->type_token || (has_cached_info && !cached_info.has_nested_classes))
3820 class->nested_classes_inited = TRUE;
3823 * Computes the size used by the fields, and their locations
3825 if (has_cached_info) {
3826 class->instance_size = cached_info.instance_size;
3827 class->sizes.class_size = cached_info.class_size;
3828 class->packing_size = cached_info.packing_size;
3829 class->min_align = cached_info.min_align;
3830 class->blittable = cached_info.blittable;
3831 class->has_references = cached_info.has_references;
3832 class->has_static_refs = cached_info.has_static_refs;
3833 class->no_special_static_fields = cached_info.no_special_static_fields;
3836 if (!class->size_inited){
3837 mono_class_setup_fields (class);
3838 if (class->exception_type || mono_loader_get_last_error ()){
3839 class_init_ok = FALSE;
3844 /* Initialize arrays */
3846 class->method.count = 3 + (class->rank > 1? 2: 1);
3848 if (class->interface_count) {
3849 int count_generic = generic_array_methods (class);
3850 class->method.count += class->interface_count * count_generic;
3854 mono_class_setup_supertypes (class);
3857 initialize_object_slots (class);
3860 * Initialize the rest of the data without creating a generic vtable if possible.
3861 * If possible, also compute vtable_size, so mono_class_create_runtime_vtable () can
3862 * also avoid computing a generic vtable.
3864 if (has_cached_info) {
3866 class->vtable_size = cached_info.vtable_size;
3867 class->has_finalize = cached_info.has_finalize;
3868 class->ghcimpl = cached_info.ghcimpl;
3869 class->has_cctor = cached_info.has_cctor;
3870 } else if (class->rank == 1 && class->byval_arg.type == MONO_TYPE_SZARRAY) {
3871 static int szarray_vtable_size = 0;
3874 if (!szarray_vtable_size) {
3875 mono_class_setup_vtable (class);
3876 szarray_vtable_size = class->vtable_size;
3878 class->vtable_size = szarray_vtable_size;
3880 } else if (class->generic_class && !MONO_CLASS_IS_INTERFACE (class)) {
3881 MonoClass *gklass = class->generic_class->container_class;
3883 /* Generic instance case */
3884 class->ghcimpl = gklass->ghcimpl;
3885 class->has_finalize = gklass->has_finalize;
3886 class->has_cctor = gklass->has_cctor;
3888 mono_class_setup_vtable (gklass);
3889 if (gklass->exception_type)
3892 class->vtable_size = gklass->vtable_size;
3896 /* ghcimpl is not currently used
3898 if (class->parent) {
3899 MonoMethod *cmethod = class->vtable [ghc_slot];
3900 if (cmethod->is_inflated)
3901 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3902 if (cmethod == default_ghc) {
3908 /* Interfaces and valuetypes are not supposed to have finalizers */
3909 if (!(MONO_CLASS_IS_INTERFACE (class) || class->valuetype)) {
3910 MonoMethod *cmethod = NULL;
3912 if (class->parent && class->parent->has_finalize) {
3913 class->has_finalize = 1;
3915 if (class->type_token) {
3916 cmethod = find_method_in_metadata (class, "Finalize", 0, METHOD_ATTRIBUTE_VIRTUAL);
3917 } else if (class->parent) {
3918 /* FIXME: Optimize this */
3919 mono_class_setup_vtable (class);
3920 if (class->exception_type || mono_loader_get_last_error ())
3922 cmethod = class->vtable [finalize_slot];
3926 /* Check that this is really the finalizer method */
3927 mono_class_setup_vtable (class);
3928 if (class->exception_type || mono_loader_get_last_error ())
3931 class->has_finalize = 0;
3932 if (class->parent) {
3933 cmethod = class->vtable [finalize_slot];
3934 if (cmethod->is_inflated)
3935 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3936 if (cmethod != default_finalize) {
3937 class->has_finalize = 1;
3944 /* C# doesn't allow interfaces to have cctors */
3945 if (!MONO_CLASS_IS_INTERFACE (class) || class->image != mono_defaults.corlib) {
3946 MonoMethod *cmethod = NULL;
3948 if (class->type_token) {
3949 cmethod = find_method_in_metadata (class, ".cctor", 0, METHOD_ATTRIBUTE_SPECIAL_NAME);
3950 /* The find_method function ignores the 'flags' argument */
3951 if (cmethod && (cmethod->flags & METHOD_ATTRIBUTE_SPECIAL_NAME))
3952 class->has_cctor = 1;
3954 mono_class_setup_methods (class);
3956 for (i = 0; i < class->method.count; ++i) {
3957 MonoMethod *method = class->methods [i];
3958 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3959 (strcmp (".cctor", method->name) == 0)) {
3960 class->has_cctor = 1;
3968 if (!mono_setup_vtable_in_class_init) {
3970 * This is an embedding API break, since the caller might assume that
3971 * mono_class_init () constructs a generic vtable, so vtable construction errors
3972 * are visible right after the mono_class_init (), and not after
3973 * mono_class_vtable ().
3975 if (class->parent) {
3976 /* This will compute class->parent->vtable_size for some classes */
3977 mono_class_init (class->parent);
3978 if (class->parent->exception_type || mono_loader_get_last_error ())
3980 if (!class->parent->vtable_size) {
3981 /* FIXME: Get rid of this somehow */
3982 mono_class_setup_vtable (class->parent);
3983 if (class->parent->exception_type || mono_loader_get_last_error ())
3986 setup_interface_offsets (class, class->parent->vtable_size);
3988 setup_interface_offsets (class, 0);
3991 mono_class_setup_vtable (class);
3993 if (MONO_CLASS_IS_INTERFACE (class))
3994 setup_interface_offsets (class, 0);
3997 if (mono_verifier_is_enabled_for_class (class) && !mono_verifier_verify_class (class)) {
3998 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, concat_two_strings_with_zero (class->image, class->name, class->image->assembly_name));
3999 class_init_ok = FALSE;
4005 class_init_ok = FALSE;
4008 /* Because of the double-checking locking pattern */
4009 mono_memory_barrier ();
4011 class->init_pending = 0;
4013 if (mono_loader_get_last_error ()) {
4014 if (class->exception_type == MONO_EXCEPTION_NONE)
4015 set_failure_from_loader_error (class, mono_loader_get_last_error ());
4017 mono_loader_clear_error ();
4020 mono_loader_unlock ();
4022 if (mono_debugger_class_init_func)
4023 mono_debugger_class_init_func (class);
4025 return class_init_ok;
4029 is_corlib_image (MonoImage *image)
4031 /* FIXME: allow the dynamic case for our compilers and with full trust */
4033 return image->assembly && !strcmp (image->assembly->aname.name, "mscorlib");
4035 return image == mono_defaults.corlib;
4039 * LOCKING: this assumes the loader lock is held
4042 mono_class_setup_mono_type (MonoClass *class)
4044 const char *name = class->name;
4045 const char *nspace = class->name_space;
4046 gboolean is_corlib = is_corlib_image (class->image);
4048 class->this_arg.byref = 1;
4049 class->this_arg.data.klass = class;
4050 class->this_arg.type = MONO_TYPE_CLASS;
4051 class->byval_arg.data.klass = class;
4052 class->byval_arg.type = MONO_TYPE_CLASS;
4054 if (is_corlib && !strcmp (nspace, "System")) {
4055 if (!strcmp (name, "ValueType")) {
4057 * do not set the valuetype bit for System.ValueType.
4058 * class->valuetype = 1;
4060 class->blittable = TRUE;
4061 } else if (!strcmp (name, "Enum")) {
4063 * do not set the valuetype bit for System.Enum.
4064 * class->valuetype = 1;
4066 class->valuetype = 0;
4067 class->enumtype = 0;
4068 } else if (!strcmp (name, "Object")) {
4069 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
4070 } else if (!strcmp (name, "String")) {
4071 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
4072 } else if (!strcmp (name, "TypedReference")) {
4073 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
4077 if (class->valuetype) {
4078 int t = MONO_TYPE_VALUETYPE;
4080 if (is_corlib && !strcmp (nspace, "System")) {
4083 if (!strcmp (name, "Boolean")) {
4084 t = MONO_TYPE_BOOLEAN;
4085 } else if (!strcmp(name, "Byte")) {
4087 class->blittable = TRUE;
4091 if (!strcmp (name, "Char")) {
4096 if (!strcmp (name, "Double")) {
4098 class->blittable = TRUE;
4102 if (!strcmp (name, "Int32")) {
4104 class->blittable = TRUE;
4105 } else if (!strcmp(name, "Int16")) {
4107 class->blittable = TRUE;
4108 } else if (!strcmp(name, "Int64")) {
4110 class->blittable = TRUE;
4111 } else if (!strcmp(name, "IntPtr")) {
4113 class->blittable = TRUE;
4117 if (!strcmp (name, "Single")) {
4119 class->blittable = TRUE;
4120 } else if (!strcmp(name, "SByte")) {
4122 class->blittable = TRUE;
4126 if (!strcmp (name, "UInt32")) {
4128 class->blittable = TRUE;
4129 } else if (!strcmp(name, "UInt16")) {
4131 class->blittable = TRUE;
4132 } else if (!strcmp(name, "UInt64")) {
4134 class->blittable = TRUE;
4135 } else if (!strcmp(name, "UIntPtr")) {
4137 class->blittable = TRUE;
4141 if (!strcmp (name, "TypedReference")) {
4142 t = MONO_TYPE_TYPEDBYREF;
4143 class->blittable = TRUE;
4147 if (!strcmp (name, "Void")) {
4155 class->this_arg.type = class->byval_arg.type = t;
4158 if (MONO_CLASS_IS_INTERFACE (class))
4159 class->interface_id = mono_get_unique_iid (class);
4164 * LOCKING: this assumes the loader lock is held
4167 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
4169 gboolean system_namespace;
4170 gboolean is_corlib = is_corlib_image (class->image);
4172 system_namespace = !strcmp (class->name_space, "System") && is_corlib;
4174 /* if root of the hierarchy */
4175 if (system_namespace && !strcmp (class->name, "Object")) {
4176 class->parent = NULL;
4177 class->instance_size = sizeof (MonoObject);
4180 if (!strcmp (class->name, "<Module>")) {
4181 class->parent = NULL;
4182 class->instance_size = 0;
4186 if (!MONO_CLASS_IS_INTERFACE (class)) {
4187 /* Imported COM Objects always derive from __ComObject. */
4188 if (MONO_CLASS_IS_IMPORT (class)) {
4189 mono_init_com_types ();
4190 if (parent == mono_defaults.object_class)
4191 parent = mono_defaults.com_object_class;
4194 /* set the parent to something useful and safe, but mark the type as broken */
4195 parent = mono_defaults.object_class;
4196 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4199 class->parent = parent;
4201 if (parent->generic_class && !parent->name) {
4203 * If the parent is a generic instance, we may get
4204 * called before it is fully initialized, especially
4205 * before it has its name.
4210 class->marshalbyref = parent->marshalbyref;
4211 class->contextbound = parent->contextbound;
4212 class->delegate = parent->delegate;
4213 if (MONO_CLASS_IS_IMPORT (class))
4214 class->is_com_object = 1;
4216 class->is_com_object = parent->is_com_object;
4218 if (system_namespace) {
4219 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
4220 class->marshalbyref = 1;
4222 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
4223 class->contextbound = 1;
4225 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
4226 class->delegate = 1;
4229 if (class->parent->enumtype || (is_corlib_image (class->parent->image) && (strcmp (class->parent->name, "ValueType") == 0) &&
4230 (strcmp (class->parent->name_space, "System") == 0)))
4231 class->valuetype = 1;
4232 if (is_corlib_image (class->parent->image) && ((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
4233 class->valuetype = class->enumtype = 1;
4235 /*class->enumtype = class->parent->enumtype; */
4236 mono_class_setup_supertypes (class);
4238 /* initialize com types if COM interfaces are present */
4239 if (MONO_CLASS_IS_IMPORT (class))
4240 mono_init_com_types ();
4241 class->parent = NULL;
4247 * mono_class_setup_supertypes:
4250 * Build the data structure needed to make fast type checks work.
4251 * This currently sets two fields in @class:
4252 * - idepth: distance between @class and System.Object in the type
4254 * - supertypes: array of classes: each element has a class in the hierarchy
4255 * starting from @class up to System.Object
4257 * LOCKING: this assumes the loader lock is held
4260 mono_class_setup_supertypes (MonoClass *class)
4264 if (class->supertypes)
4267 if (class->parent && !class->parent->supertypes)
4268 mono_class_setup_supertypes (class->parent);
4270 class->idepth = class->parent->idepth + 1;
4274 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
4275 class->supertypes = mono_image_alloc0 (class->image, sizeof (MonoClass *) * ms);
4277 if (class->parent) {
4278 class->supertypes [class->idepth - 1] = class;
4279 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
4281 class->supertypes [0] = class;
4286 * mono_class_create_from_typedef:
4287 * @image: image where the token is valid
4288 * @type_token: typedef token
4290 * Create the MonoClass* representing the specified type token.
4291 * @type_token must be a TypeDef token.
4294 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
4296 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4297 MonoClass *class, *parent = NULL;
4298 guint32 cols [MONO_TYPEDEF_SIZE];
4299 guint32 cols_next [MONO_TYPEDEF_SIZE];
4300 guint tidx = mono_metadata_token_index (type_token);
4301 MonoGenericContext *context = NULL;
4302 const char *name, *nspace;
4304 MonoClass **interfaces;
4305 guint32 field_last, method_last;
4306 guint32 nesting_tokeen;
4308 mono_loader_lock ();
4310 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
4311 mono_loader_unlock ();
4315 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
4317 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4319 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4320 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4322 class = mono_image_alloc0 (image, sizeof (MonoClass));
4325 class->name_space = nspace;
4327 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4329 class->image = image;
4330 class->type_token = type_token;
4331 class->flags = cols [MONO_TYPEDEF_FLAGS];
4333 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
4335 classes_size += sizeof (MonoClass);
4338 * Check whether we're a generic type definition.
4340 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
4341 if (class->generic_container) {
4342 class->is_generic = 1;
4343 class->generic_container->owner.klass = class;
4344 context = &class->generic_container->context;
4347 if (cols [MONO_TYPEDEF_EXTENDS]) {
4348 guint32 parent_token = mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]);
4350 if (mono_metadata_token_table (parent_token) == MONO_TABLE_TYPESPEC) {
4351 /*WARNING: this must satisfy mono_metadata_type_hash*/
4352 class->this_arg.byref = 1;
4353 class->this_arg.data.klass = class;
4354 class->this_arg.type = MONO_TYPE_CLASS;
4355 class->byval_arg.data.klass = class;
4356 class->byval_arg.type = MONO_TYPE_CLASS;
4358 parent = mono_class_get_full (image, parent_token, context);
4360 if (parent == NULL){
4361 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
4362 mono_loader_unlock ();
4363 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4368 /* do this early so it's available for interfaces in setup_mono_type () */
4369 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
4370 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
4372 mono_class_setup_parent (class, parent);
4374 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
4375 mono_class_setup_mono_type (class);
4377 if (!class->enumtype) {
4378 if (!mono_metadata_interfaces_from_typedef_full (
4379 image, type_token, &interfaces, &icount, FALSE, context)){
4380 mono_loader_unlock ();
4381 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4385 class->interfaces = interfaces;
4386 class->interface_count = icount;
4387 class->interfaces_inited = 1;
4390 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
4394 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
4398 class->cast_class = class->element_class = class;
4400 /*g_print ("Load class %s\n", name);*/
4403 * Compute the field and method lists
4405 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
4406 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
4408 if (tt->rows > tidx){
4409 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
4410 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
4411 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
4413 field_last = image->tables [MONO_TABLE_FIELD].rows;
4414 method_last = image->tables [MONO_TABLE_METHOD].rows;
4417 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4418 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4419 class->field.count = field_last - class->field.first;
4421 class->field.count = 0;
4423 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4424 class->method.count = method_last - class->method.first;
4426 class->method.count = 0;
4428 /* reserve space to store vector pointer in arrays */
4429 if (is_corlib_image (image) && !strcmp (nspace, "System") && !strcmp (name, "Array")) {
4430 class->instance_size += 2 * sizeof (gpointer);
4431 g_assert (class->field.count == 0);
4434 if (class->enumtype) {
4435 MonoType *enum_basetype = mono_class_find_enum_basetype (class);
4436 if (!enum_basetype) {
4437 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4438 mono_loader_unlock ();
4439 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4442 class->cast_class = class->element_class = mono_class_from_mono_type (enum_basetype);
4446 * If we're a generic type definition, load the constraints.
4447 * We must do this after the class has been constructed to make certain recursive scenarios
4450 if (class->generic_container && !mono_metadata_load_generic_param_constraints_full (image, type_token, class->generic_container)){
4451 char *class_name = g_strdup_printf("%s.%s", class->name_space, class->name);
4452 char *error = concat_two_strings_with_zero (class->image, class_name, class->image->assembly_name);
4453 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, error);
4454 g_free (class_name);
4455 mono_loader_unlock ();
4456 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4460 if (class->image->assembly_name && !strcmp (class->image->assembly_name, "Mono.Simd") && !strcmp (nspace, "Mono.Simd")) {
4461 if (!strncmp (name, "Vector", 6))
4462 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");
4465 mono_loader_unlock ();
4467 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4472 /** is klass Nullable<T>? */
4474 mono_class_is_nullable (MonoClass *klass)
4476 return klass->generic_class != NULL &&
4477 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4481 /** if klass is T? return T */
4483 mono_class_get_nullable_param (MonoClass *klass)
4485 g_assert (mono_class_is_nullable (klass));
4486 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4490 * Create the `MonoClass' for an instantiation of a generic type.
4491 * We only do this if we actually need it.
4494 mono_generic_class_get_class (MonoGenericClass *gclass)
4496 MonoClass *klass, *gklass;
4498 mono_loader_lock ();
4499 if (gclass->cached_class) {
4500 mono_loader_unlock ();
4501 return gclass->cached_class;
4504 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4505 klass = gclass->cached_class;
4507 gklass = gclass->container_class;
4509 if (gklass->nested_in) {
4511 * FIXME: the nested type context should include everything the
4512 * nesting context should have, but it may also have additional
4513 * generic parameters...
4515 klass->nested_in = mono_class_inflate_generic_class (gklass->nested_in,
4516 mono_generic_class_get_context (gclass));
4519 klass->name = gklass->name;
4520 klass->name_space = gklass->name_space;
4522 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4524 klass->image = gklass->image;
4525 klass->flags = gklass->flags;
4526 klass->type_token = gklass->type_token;
4527 klass->field.count = gklass->field.count;
4529 klass->is_inflated = 1;
4530 klass->generic_class = gclass;
4532 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4533 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4534 klass->this_arg.byref = TRUE;
4535 klass->enumtype = gklass->enumtype;
4536 klass->valuetype = gklass->valuetype;
4538 klass->cast_class = klass->element_class = klass;
4540 if (mono_class_is_nullable (klass))
4541 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4544 * We're not interested in the nested classes of a generic instance.
4545 * We use the generic type definition to look for nested classes.
4548 if (gklass->parent) {
4549 klass->parent = mono_class_inflate_generic_class (gklass->parent, mono_generic_class_get_context (gclass));
4553 mono_class_setup_parent (klass, klass->parent);
4555 if (klass->enumtype) {
4556 klass->cast_class = gklass->cast_class;
4557 klass->element_class = gklass->element_class;
4560 if (gclass->is_dynamic) {
4563 mono_class_setup_supertypes (klass);
4565 if (klass->enumtype) {
4567 * For enums, gklass->fields might not been set, but instance_size etc. is
4568 * already set in mono_reflection_create_internal_class (). For non-enums,
4569 * these will be computed normally in mono_class_layout_fields ().
4571 klass->instance_size = gklass->instance_size;
4572 klass->sizes.class_size = gklass->sizes.class_size;
4573 klass->size_inited = 1;
4577 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4579 inflated_classes ++;
4580 inflated_classes_size += sizeof (MonoClass);
4582 mono_loader_unlock ();
4588 make_generic_param_class (MonoGenericParam *param, MonoImage *image, gboolean is_mvar, MonoGenericParamInfo *pinfo)
4590 MonoClass *klass, **ptr;
4595 image = mono_defaults.corlib;
4597 klass = mono_image_alloc0 (image, sizeof (MonoClass));
4598 classes_size += sizeof (MonoClass);
4601 klass->name = pinfo->name;
4603 int n = mono_generic_param_num (param);
4604 klass->name = mono_image_alloc0 (image, 16);
4605 sprintf ((char*)klass->name, "%d", n);
4608 klass->name_space = "";
4609 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4613 for (ptr = pinfo->constraints; ptr && *ptr; ptr++, count++)
4617 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (pinfo->constraints [0])) {
4618 klass->parent = pinfo->constraints [0];
4620 } else if (pinfo && pinfo->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4621 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4623 klass->parent = mono_defaults.object_class;
4626 if (count - pos > 0) {
4627 klass->interface_count = count - pos;
4628 klass->interfaces = mono_image_alloc0 (image, sizeof (MonoClass *) * (count - pos));
4629 for (i = pos; i < count; i++)
4630 klass->interfaces [i - pos] = pinfo->constraints [i];
4633 klass->image = image;
4635 klass->inited = TRUE;
4636 klass->cast_class = klass->element_class = klass;
4637 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4639 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4640 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4641 klass->this_arg.byref = TRUE;
4643 /* FIXME: shouldn't this be ->type_token? */
4644 klass->sizes.generic_param_token = pinfo ? pinfo->token : 0;
4646 mono_class_setup_supertypes (klass);
4651 #define FAST_CACHE_SIZE 1024
4652 static MonoClass *var_cache_fast [FAST_CACHE_SIZE];
4653 static MonoClass *mvar_cache_fast [FAST_CACHE_SIZE];
4654 static GHashTable *var_cache_slow;
4655 static GHashTable *mvar_cache_slow;
4658 get_anon_gparam_class (MonoGenericParam *param, gboolean is_mvar)
4660 int n = mono_generic_param_num (param);
4663 if (n < FAST_CACHE_SIZE)
4664 return (is_mvar ? mvar_cache_fast : var_cache_fast) [n];
4665 ht = is_mvar ? mvar_cache_slow : var_cache_slow;
4666 return ht ? g_hash_table_lookup (ht, GINT_TO_POINTER (n)) : NULL;
4670 set_anon_gparam_class (MonoGenericParam *param, gboolean is_mvar, MonoClass *klass)
4672 int n = mono_generic_param_num (param);
4675 if (n < FAST_CACHE_SIZE) {
4676 (is_mvar ? mvar_cache_fast : var_cache_fast) [n] = klass;
4679 ht = is_mvar ? mvar_cache_slow : var_cache_slow;
4681 ht = g_hash_table_new (NULL, NULL);
4683 mvar_cache_slow = ht;
4685 var_cache_slow = ht;
4688 g_hash_table_insert (ht, GINT_TO_POINTER (n), klass);
4692 * LOCKING: Acquires the loader lock.
4695 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4697 MonoGenericContainer *container = mono_generic_param_owner (param);
4698 MonoGenericParamInfo *pinfo;
4701 mono_loader_lock ();
4704 pinfo = mono_generic_param_info (param);
4705 if (pinfo->pklass) {
4706 mono_loader_unlock ();
4707 return pinfo->pklass;
4713 klass = get_anon_gparam_class (param, is_mvar);
4715 mono_loader_unlock ();
4720 if (!image && container) {
4722 MonoMethod *method = container->owner.method;
4723 image = (method && method->klass) ? method->klass->image : NULL;
4725 MonoClass *klass = container->owner.klass;
4726 // FIXME: 'klass' should not be null
4727 // But, monodis creates GenericContainers without associating a owner to it
4728 image = klass ? klass->image : NULL;
4732 klass = make_generic_param_class (param, image, is_mvar, pinfo);
4734 mono_memory_barrier ();
4737 pinfo->pklass = klass;
4739 set_anon_gparam_class (param, is_mvar, klass);
4741 mono_loader_unlock ();
4743 /* FIXME: Should this go inside 'make_generic_param_klass'? */
4744 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4750 mono_ptr_class_get (MonoType *type)
4753 MonoClass *el_class;
4757 el_class = mono_class_from_mono_type (type);
4758 image = el_class->image;
4760 mono_loader_lock ();
4762 if (!image->ptr_cache)
4763 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4765 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4766 mono_loader_unlock ();
4769 result = mono_image_alloc0 (image, sizeof (MonoClass));
4771 classes_size += sizeof (MonoClass);
4773 result->parent = NULL; /* no parent for PTR types */
4774 result->name_space = el_class->name_space;
4775 name = g_strdup_printf ("%s*", el_class->name);
4776 result->name = mono_image_strdup (image, name);
4779 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4781 result->image = el_class->image;
4782 result->inited = TRUE;
4783 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4784 /* Can pointers get boxed? */
4785 result->instance_size = sizeof (gpointer);
4786 result->cast_class = result->element_class = el_class;
4787 result->blittable = TRUE;
4789 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4790 result->this_arg.data.type = result->byval_arg.data.type = &result->element_class->byval_arg;
4791 result->this_arg.byref = TRUE;
4793 mono_class_setup_supertypes (result);
4795 g_hash_table_insert (image->ptr_cache, el_class, result);
4797 mono_loader_unlock ();
4799 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4805 mono_fnptr_class_get (MonoMethodSignature *sig)
4808 static GHashTable *ptr_hash = NULL;
4810 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4812 mono_loader_lock ();
4815 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4817 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4818 mono_loader_unlock ();
4821 result = g_new0 (MonoClass, 1);
4823 result->parent = NULL; /* no parent for PTR types */
4824 result->name_space = "System";
4825 result->name = "MonoFNPtrFakeClass";
4827 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4829 result->image = mono_defaults.corlib; /* need to fix... */
4830 result->inited = TRUE;
4831 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4832 /* Can pointers get boxed? */
4833 result->instance_size = sizeof (gpointer);
4834 result->cast_class = result->element_class = result;
4835 result->blittable = TRUE;
4837 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4838 result->this_arg.data.method = result->byval_arg.data.method = sig;
4839 result->this_arg.byref = TRUE;
4840 result->blittable = TRUE;
4842 mono_class_setup_supertypes (result);
4844 g_hash_table_insert (ptr_hash, sig, result);
4846 mono_loader_unlock ();
4848 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4854 mono_class_from_mono_type (MonoType *type)
4856 switch (type->type) {
4857 case MONO_TYPE_OBJECT:
4858 return type->data.klass? type->data.klass: mono_defaults.object_class;
4859 case MONO_TYPE_VOID:
4860 return type->data.klass? type->data.klass: mono_defaults.void_class;
4861 case MONO_TYPE_BOOLEAN:
4862 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4863 case MONO_TYPE_CHAR:
4864 return type->data.klass? type->data.klass: mono_defaults.char_class;
4866 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4868 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4870 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4872 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4874 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4876 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4878 return type->data.klass? type->data.klass: mono_defaults.int_class;
4880 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4882 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4884 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4886 return type->data.klass? type->data.klass: mono_defaults.single_class;
4888 return type->data.klass? type->data.klass: mono_defaults.double_class;
4889 case MONO_TYPE_STRING:
4890 return type->data.klass? type->data.klass: mono_defaults.string_class;
4891 case MONO_TYPE_TYPEDBYREF:
4892 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4893 case MONO_TYPE_ARRAY:
4894 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4896 return mono_ptr_class_get (type->data.type);
4897 case MONO_TYPE_FNPTR:
4898 return mono_fnptr_class_get (type->data.method);
4899 case MONO_TYPE_SZARRAY:
4900 return mono_array_class_get (type->data.klass, 1);
4901 case MONO_TYPE_CLASS:
4902 case MONO_TYPE_VALUETYPE:
4903 return type->data.klass;
4904 case MONO_TYPE_GENERICINST:
4905 return mono_generic_class_get_class (type->data.generic_class);
4907 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4908 case MONO_TYPE_MVAR:
4909 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4911 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4912 g_assert_not_reached ();
4919 * mono_type_retrieve_from_typespec
4920 * @image: context where the image is created
4921 * @type_spec: typespec token
4922 * @context: the generic context used to evaluate generic instantiations in
4925 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context, gboolean *did_inflate)
4927 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4930 if (context && (context->class_inst || context->method_inst)) {
4931 MonoType *inflated = inflate_generic_type (NULL, t, context);
4934 *did_inflate = TRUE;
4941 * mono_class_create_from_typespec
4942 * @image: context where the image is created
4943 * @type_spec: typespec token
4944 * @context: the generic context used to evaluate generic instantiations in
4947 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4950 gboolean inflated = FALSE;
4951 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context, &inflated);
4954 ret = mono_class_from_mono_type (t);
4956 mono_metadata_free_type (t);
4961 * mono_bounded_array_class_get:
4962 * @element_class: element class
4963 * @rank: the dimension of the array class
4964 * @bounded: whenever the array has non-zero bounds
4966 * Returns: a class object describing the array with element type @element_type and
4970 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4974 MonoClass *parent = NULL;
4975 GSList *list, *rootlist = NULL;
4978 gboolean corlib_type = FALSE;
4980 g_assert (rank <= 255);
4983 /* bounded only matters for one-dimensional arrays */
4986 image = eclass->image;
4988 if (rank == 1 && !bounded) {
4990 * This case is very frequent not just during compilation because of calls
4991 * from mono_class_from_mono_type (), mono_array_new (),
4992 * Array:CreateInstance (), etc, so use a separate cache + a separate lock.
4994 EnterCriticalSection (&image->szarray_cache_lock);
4995 if (!image->szarray_cache)
4996 image->szarray_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4997 class = g_hash_table_lookup (image->szarray_cache, eclass);
4998 LeaveCriticalSection (&image->szarray_cache_lock);
5002 mono_loader_lock ();
5004 mono_loader_lock ();
5006 if (!image->array_cache)
5007 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
5009 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
5010 for (; list; list = list->next) {
5012 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
5013 mono_loader_unlock ();
5020 /* for the building corlib use System.Array from it */
5021 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
5022 parent = mono_class_from_name (image, "System", "Array");
5025 parent = mono_defaults.array_class;
5026 if (!parent->inited)
5027 mono_class_init (parent);
5030 class = mono_image_alloc0 (image, sizeof (MonoClass));
5032 class->image = image;
5033 class->name_space = eclass->name_space;
5034 nsize = strlen (eclass->name);
5035 name = g_malloc (nsize + 2 + rank + 1);
5036 memcpy (name, eclass->name, nsize);
5039 memset (name + nsize + 1, ',', rank - 1);
5041 name [nsize + rank] = '*';
5042 name [nsize + rank + bounded] = ']';
5043 name [nsize + rank + bounded + 1] = 0;
5044 class->name = mono_image_strdup (image, name);
5047 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
5049 classes_size += sizeof (MonoClass);
5051 class->type_token = 0;
5052 /* all arrays are marked serializable and sealed, bug #42779 */
5053 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
5054 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
5055 class->parent = parent;
5056 class->instance_size = mono_class_instance_size (class->parent);
5058 if (eclass->enumtype && !mono_class_enum_basetype (eclass)) {
5059 if (!eclass->reflection_info || eclass->wastypebuilder) {
5060 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
5061 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
5063 /* element_size -1 is ok as this is not an instantitable type*/
5064 class->sizes.element_size = -1;
5066 class->sizes.element_size = mono_class_array_element_size (eclass);
5068 mono_class_setup_supertypes (class);
5070 if (eclass->generic_class)
5071 mono_class_init (eclass);
5072 if (!eclass->size_inited)
5073 mono_class_setup_fields (eclass);
5074 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
5078 if (eclass->enumtype)
5079 class->cast_class = eclass->element_class;
5081 class->cast_class = eclass;
5083 class->element_class = eclass;
5085 if ((rank > 1) || bounded) {
5086 MonoArrayType *at = mono_image_alloc0 (image, sizeof (MonoArrayType));
5087 class->byval_arg.type = MONO_TYPE_ARRAY;
5088 class->byval_arg.data.array = at;
5089 at->eklass = eclass;
5091 /* FIXME: complete.... */
5093 class->byval_arg.type = MONO_TYPE_SZARRAY;
5094 class->byval_arg.data.klass = eclass;
5096 class->this_arg = class->byval_arg;
5097 class->this_arg.byref = 1;
5102 class->generic_container = eclass->generic_container;
5104 if (rank == 1 && !bounded) {
5105 MonoClass *prev_class;
5107 EnterCriticalSection (&image->szarray_cache_lock);
5108 prev_class = g_hash_table_lookup (image->szarray_cache, eclass);
5110 /* Someone got in before us */
5113 g_hash_table_insert (image->szarray_cache, eclass, class);
5114 LeaveCriticalSection (&image->szarray_cache_lock);
5116 list = g_slist_append (rootlist, class);
5117 g_hash_table_insert (image->array_cache, eclass, list);
5120 mono_loader_unlock ();
5122 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
5128 * mono_array_class_get:
5129 * @element_class: element class
5130 * @rank: the dimension of the array class
5132 * Returns: a class object describing the array with element type @element_type and
5136 mono_array_class_get (MonoClass *eclass, guint32 rank)
5138 return mono_bounded_array_class_get (eclass, rank, FALSE);
5142 * mono_class_instance_size:
5145 * Returns: the size of an object instance
5148 mono_class_instance_size (MonoClass *klass)
5150 if (!klass->size_inited)
5151 mono_class_init (klass);
5153 return klass->instance_size;
5157 * mono_class_min_align:
5160 * Returns: minimm alignment requirements
5163 mono_class_min_align (MonoClass *klass)
5165 if (!klass->size_inited)
5166 mono_class_init (klass);
5168 return klass->min_align;
5172 * mono_class_value_size:
5175 * This function is used for value types, and return the
5176 * space and the alignment to store that kind of value object.
5178 * Returns: the size of a value of kind @klass
5181 mono_class_value_size (MonoClass *klass, guint32 *align)
5185 /* fixme: check disable, because we still have external revereces to
5186 * mscorlib and Dummy Objects
5188 /*g_assert (klass->valuetype);*/
5190 size = mono_class_instance_size (klass) - sizeof (MonoObject);
5193 *align = klass->min_align;
5199 * mono_class_data_size:
5202 * Returns: the size of the static class data
5205 mono_class_data_size (MonoClass *klass)
5208 mono_class_init (klass);
5210 /* in arrays, sizes.class_size is unioned with element_size
5211 * and arrays have no static fields
5215 return klass->sizes.class_size;
5219 * Auxiliary routine to mono_class_get_field
5221 * Takes a field index instead of a field token.
5223 static MonoClassField *
5224 mono_class_get_field_idx (MonoClass *class, int idx)
5226 mono_class_setup_fields_locking (class);
5229 if (class->image->uncompressed_metadata) {
5231 * class->field.first points to the FieldPtr table, while idx points into the
5232 * Field table, so we have to do a search.
5234 /*FIXME this is broken for types with multiple fields with the same name.*/
5235 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
5238 for (i = 0; i < class->field.count; ++i)
5239 if (mono_field_get_name (&class->fields [i]) == name)
5240 return &class->fields [i];
5241 g_assert_not_reached ();
5243 if (class->field.count) {
5244 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
5245 return &class->fields [idx - class->field.first];
5249 class = class->parent;
5255 * mono_class_get_field:
5256 * @class: the class to lookup the field.
5257 * @field_token: the field token
5259 * Returns: A MonoClassField representing the type and offset of
5260 * the field, or a NULL value if the field does not belong to this
5264 mono_class_get_field (MonoClass *class, guint32 field_token)
5266 int idx = mono_metadata_token_index (field_token);
5268 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
5270 return mono_class_get_field_idx (class, idx - 1);
5274 * mono_class_get_field_from_name:
5275 * @klass: the class to lookup the field.
5276 * @name: the field name
5278 * Search the class @klass and it's parents for a field with the name @name.
5280 * Returns: the MonoClassField pointer of the named field or NULL
5283 mono_class_get_field_from_name (MonoClass *klass, const char *name)
5285 return mono_class_get_field_from_name_full (klass, name, NULL);
5289 * mono_class_get_field_from_name_full:
5290 * @klass: the class to lookup the field.
5291 * @name: the field name
5292 * @type: the type of the fields. This optional.
5294 * Search the class @klass and it's parents for a field with the name @name and type @type.
5296 * If @klass is an inflated generic type, the type comparison is done with the equivalent field
5297 * of its generic type definition.
5299 * Returns: the MonoClassField pointer of the named field or NULL
5302 mono_class_get_field_from_name_full (MonoClass *klass, const char *name, MonoType *type)
5306 mono_class_setup_fields_locking (klass);
5308 for (i = 0; i < klass->field.count; ++i) {
5309 MonoClassField *field = &klass->fields [i];
5311 if (strcmp (name, mono_field_get_name (field)) != 0)
5315 MonoType *field_type = mono_metadata_get_corresponding_field_from_generic_type_definition (field)->type;
5316 if (!mono_metadata_type_equal_full (type, field_type, TRUE))
5321 klass = klass->parent;
5327 * mono_class_get_field_token:
5328 * @field: the field we need the token of
5330 * Get the token of a field. Note that the tokesn is only valid for the image
5331 * the field was loaded from. Don't use this function for fields in dynamic types.
5333 * Returns: the token representing the field in the image it was loaded from.
5336 mono_class_get_field_token (MonoClassField *field)
5338 MonoClass *klass = field->parent;
5341 mono_class_setup_fields_locking (klass);
5343 for (i = 0; i < klass->field.count; ++i) {
5344 if (&klass->fields [i] == field) {
5345 int idx = klass->field.first + i + 1;
5347 if (klass->image->uncompressed_metadata)
5348 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
5349 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
5352 klass = klass->parent;
5355 g_assert_not_reached ();
5360 mono_field_get_index (MonoClassField *field)
5362 int index = field - field->parent->fields;
5364 g_assert (index >= 0 && index < field->parent->field.count);
5370 * mono_class_get_field_default_value:
5372 * Return the default value of the field as a pointer into the metadata blob.
5375 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
5378 guint32 constant_cols [MONO_CONSTANT_SIZE];
5380 MonoClass *klass = field->parent;
5382 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
5384 if (!klass->ext || !klass->ext->field_def_values) {
5385 mono_loader_lock ();
5386 mono_class_alloc_ext (klass);
5387 if (!klass->ext->field_def_values)
5388 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
5389 mono_loader_unlock ();
5392 field_index = mono_field_get_index (field);
5394 if (!klass->ext->field_def_values [field_index].data) {
5395 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), 0);
5397 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
5399 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
5400 klass->ext->field_def_values [field_index].def_type = constant_cols [MONO_CONSTANT_TYPE];
5401 klass->ext->field_def_values [field_index].data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
5404 *def_type = klass->ext->field_def_values [field_index].def_type;
5405 return klass->ext->field_def_values [field_index].data;
5409 mono_class_get_event_token (MonoEvent *event)
5411 MonoClass *klass = event->parent;
5416 for (i = 0; i < klass->ext->event.count; ++i) {
5417 if (&klass->ext->events [i] == event)
5418 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->ext->event.first + i + 1);
5421 klass = klass->parent;
5424 g_assert_not_reached ();
5429 mono_class_get_property_from_name (MonoClass *klass, const char *name)
5433 gpointer iter = NULL;
5434 while ((p = mono_class_get_properties (klass, &iter))) {
5435 if (! strcmp (name, p->name))
5438 klass = klass->parent;
5444 mono_class_get_property_token (MonoProperty *prop)
5446 MonoClass *klass = prop->parent;
5450 gpointer iter = NULL;
5451 while ((p = mono_class_get_properties (klass, &iter))) {
5452 if (&klass->ext->properties [i] == prop)
5453 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->ext->property.first + i + 1);
5457 klass = klass->parent;
5460 g_assert_not_reached ();
5465 mono_class_name_from_token (MonoImage *image, guint32 type_token)
5467 const char *name, *nspace;
5469 return g_strdup_printf ("DynamicType 0x%08x", type_token);
5471 switch (type_token & 0xff000000){
5472 case MONO_TOKEN_TYPE_DEF: {
5473 guint32 cols [MONO_TYPEDEF_SIZE];
5474 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
5475 guint tidx = mono_metadata_token_index (type_token);
5477 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
5478 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5479 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5480 if (strlen (nspace) == 0)
5481 return g_strdup_printf ("%s", name);
5483 return g_strdup_printf ("%s.%s", nspace, name);
5486 case MONO_TOKEN_TYPE_REF: {
5487 guint32 cols [MONO_TYPEREF_SIZE];
5488 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5490 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5491 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
5492 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
5493 if (strlen (nspace) == 0)
5494 return g_strdup_printf ("%s", name);
5496 return g_strdup_printf ("%s.%s", nspace, name);
5499 case MONO_TOKEN_TYPE_SPEC:
5500 return g_strdup_printf ("Typespec 0x%08x", type_token);
5502 g_assert_not_reached ();
5509 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
5512 return g_strdup_printf ("DynamicAssembly %s", image->name);
5514 switch (type_token & 0xff000000){
5515 case MONO_TOKEN_TYPE_DEF:
5516 return mono_stringify_assembly_name (&image->assembly->aname);
5518 case MONO_TOKEN_TYPE_REF: {
5519 MonoAssemblyName aname;
5520 guint32 cols [MONO_TYPEREF_SIZE];
5521 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5524 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5526 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
5527 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
5528 case MONO_RESOLTION_SCOPE_MODULE:
5530 return g_strdup ("");
5531 case MONO_RESOLTION_SCOPE_MODULEREF:
5533 return g_strdup ("");
5534 case MONO_RESOLTION_SCOPE_TYPEREF:
5536 return g_strdup ("");
5537 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
5538 mono_assembly_get_assemblyref (image, idx - 1, &aname);
5539 return mono_stringify_assembly_name (&aname);
5541 g_assert_not_reached ();
5545 case MONO_TOKEN_TYPE_SPEC:
5547 return g_strdup ("");
5549 g_assert_not_reached ();
5556 * mono_class_get_full:
5557 * @image: the image where the class resides
5558 * @type_token: the token for the class
5559 * @context: the generic context used to evaluate generic instantiations in
5561 * Returns: the MonoClass that represents @type_token in @image
5564 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5566 MonoClass *class = NULL;
5568 if (image->dynamic) {
5569 int table = mono_metadata_token_table (type_token);
5571 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5572 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5575 return mono_lookup_dynamic_token (image, type_token, context);
5578 switch (type_token & 0xff000000){
5579 case MONO_TOKEN_TYPE_DEF:
5580 class = mono_class_create_from_typedef (image, type_token);
5582 case MONO_TOKEN_TYPE_REF:
5583 class = mono_class_from_typeref (image, type_token);
5585 case MONO_TOKEN_TYPE_SPEC:
5586 class = mono_class_create_from_typespec (image, type_token, context);
5589 g_warning ("unknown token type %x", type_token & 0xff000000);
5590 g_assert_not_reached ();
5594 char *name = mono_class_name_from_token (image, type_token);
5595 char *assembly = mono_assembly_name_from_token (image, type_token);
5596 mono_loader_set_error_type_load (name, assembly);
5604 * mono_type_get_full:
5605 * @image: the image where the type resides
5606 * @type_token: the token for the type
5607 * @context: the generic context used to evaluate generic instantiations in
5609 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5611 * Returns: the MonoType that represents @type_token in @image
5614 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5616 MonoType *type = NULL;
5617 gboolean inflated = FALSE;
5619 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5621 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5623 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5624 MonoClass *class = mono_class_get_full (image, type_token, context);
5625 return class ? mono_class_get_type (class) : NULL;
5628 type = mono_type_retrieve_from_typespec (image, type_token, context, &inflated);
5631 char *name = mono_class_name_from_token (image, type_token);
5632 char *assembly = mono_assembly_name_from_token (image, type_token);
5634 mono_metadata_free_type (type);
5635 mono_loader_set_error_type_load (name, assembly);
5639 MonoType *tmp = type;
5640 type = mono_class_get_type (mono_class_from_mono_type (type));
5641 /* FIXME: This is a workaround fo the fact that a typespec token sometimes reference to the generic type definition.
5642 * A MonoClass::byval_arg of a generic type definion has type CLASS.
5643 * Some parts of mono create a GENERICINST to reference a generic type definition and this generates confict with byval_arg.
5645 * The long term solution is to chaise this places and make then set MonoType::type correctly.
5647 if (type->type != tmp->type)
5650 mono_metadata_free_type (tmp);
5657 mono_class_get (MonoImage *image, guint32 type_token)
5659 return mono_class_get_full (image, type_token, NULL);
5663 * mono_image_init_name_cache:
5665 * Initializes the class name cache stored in image->name_cache.
5667 * LOCKING: Acquires the corresponding image lock.
5670 mono_image_init_name_cache (MonoImage *image)
5672 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5673 guint32 cols [MONO_TYPEDEF_SIZE];
5676 guint32 i, visib, nspace_index;
5677 GHashTable *name_cache2, *nspace_table;
5679 mono_image_lock (image);
5681 if (image->name_cache) {
5682 mono_image_unlock (image);
5686 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5688 if (image->dynamic) {
5689 mono_image_unlock (image);
5693 /* Temporary hash table to avoid lookups in the nspace_table */
5694 name_cache2 = g_hash_table_new (NULL, NULL);
5696 for (i = 1; i <= t->rows; ++i) {
5697 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5698 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5700 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5701 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5703 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5705 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5706 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5708 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5709 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5710 if (!nspace_table) {
5711 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5712 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5713 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5716 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5719 /* Load type names from EXPORTEDTYPES table */
5721 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5722 guint32 cols [MONO_EXP_TYPE_SIZE];
5725 for (i = 0; i < t->rows; ++i) {
5726 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5727 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5728 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5730 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5731 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5732 if (!nspace_table) {
5733 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5734 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5735 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5738 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5742 g_hash_table_destroy (name_cache2);
5743 mono_image_unlock (image);
5746 /*FIXME Only dynamic assemblies should allow this operation.*/
5748 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5749 const char *name, guint32 index)
5751 GHashTable *nspace_table;
5752 GHashTable *name_cache;
5754 mono_image_lock (image);
5756 if (!image->name_cache)
5757 mono_image_init_name_cache (image);
5759 name_cache = image->name_cache;
5760 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5761 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5762 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5764 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5766 mono_image_unlock (image);
5775 find_nocase (gpointer key, gpointer value, gpointer user_data)
5777 char *name = (char*)key;
5778 FindUserData *data = (FindUserData*)user_data;
5780 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5781 data->value = value;
5785 * mono_class_from_name_case:
5786 * @image: The MonoImage where the type is looked up in
5787 * @name_space: the type namespace
5788 * @name: the type short name.
5790 * Obtains a MonoClass with a given namespace and a given name which
5791 * is located in the given MonoImage. The namespace and name
5792 * lookups are case insensitive.
5795 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5797 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5798 guint32 cols [MONO_TYPEDEF_SIZE];
5803 if (image->dynamic) {
5805 FindUserData user_data;
5807 mono_image_lock (image);
5809 if (!image->name_cache)
5810 mono_image_init_name_cache (image);
5812 user_data.key = name_space;
5813 user_data.value = NULL;
5814 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5816 if (user_data.value) {
5817 GHashTable *nspace_table = (GHashTable*)user_data.value;
5819 user_data.key = name;
5820 user_data.value = NULL;
5822 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5824 if (user_data.value)
5825 token = GPOINTER_TO_UINT (user_data.value);
5828 mono_image_unlock (image);
5831 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5837 /* add a cache if needed */
5838 for (i = 1; i <= t->rows; ++i) {
5839 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5840 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5842 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5843 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5845 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5847 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5848 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5849 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5850 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5856 return_nested_in (MonoClass *class, char *nested)
5859 char *s = strchr (nested, '/');
5860 gpointer iter = NULL;
5867 while ((found = mono_class_get_nested_types (class, &iter))) {
5868 if (strcmp (found->name, nested) == 0) {
5870 return return_nested_in (found, s);
5878 search_modules (MonoImage *image, const char *name_space, const char *name)
5880 MonoTableInfo *file_table = &image->tables [MONO_TABLE_FILE];
5881 MonoImage *file_image;
5886 * The EXPORTEDTYPES table only contains public types, so have to search the
5888 * Note: image->modules contains the contents of the MODULEREF table, while
5889 * the real module list is in the FILE table.
5891 for (i = 0; i < file_table->rows; i++) {
5892 guint32 cols [MONO_FILE_SIZE];
5893 mono_metadata_decode_row (file_table, i, cols, MONO_FILE_SIZE);
5894 if (cols [MONO_FILE_FLAGS] == FILE_CONTAINS_NO_METADATA)
5897 file_image = mono_image_load_file_for_image (image, i + 1);
5899 class = mono_class_from_name (file_image, name_space, name);
5909 * mono_class_from_name:
5910 * @image: The MonoImage where the type is looked up in
5911 * @name_space: the type namespace
5912 * @name: the type short name.
5914 * Obtains a MonoClass with a given namespace and a given name which
5915 * is located in the given MonoImage.
5918 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5920 GHashTable *nspace_table;
5921 MonoImage *loaded_image;
5928 if ((nested = strchr (name, '/'))) {
5929 int pos = nested - name;
5930 int len = strlen (name);
5933 memcpy (buf, name, len + 1);
5935 nested = buf + pos + 1;
5939 if (get_class_from_name) {
5940 gboolean res = get_class_from_name (image, name_space, name, &class);
5943 class = search_modules (image, name_space, name);
5945 return class ? return_nested_in (class, nested) : NULL;
5951 mono_image_lock (image);
5953 if (!image->name_cache)
5954 mono_image_init_name_cache (image);
5956 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5959 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5961 mono_image_unlock (image);
5963 if (!token && image->dynamic && image->modules) {
5964 /* Search modules as well */
5965 for (i = 0; i < image->module_count; ++i) {
5966 MonoImage *module = image->modules [i];
5968 class = mono_class_from_name (module, name_space, name);
5975 class = search_modules (image, name_space, name);
5983 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
5984 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5985 guint32 cols [MONO_EXP_TYPE_SIZE];
5988 idx = mono_metadata_token_index (token);
5990 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
5992 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
5993 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
5994 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
5997 class = mono_class_from_name (loaded_image, name_space, name);
5999 return return_nested_in (class, nested);
6001 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
6002 guint32 assembly_idx;
6004 assembly_idx = impl >> MONO_IMPLEMENTATION_BITS;
6006 mono_assembly_load_reference (image, assembly_idx - 1);
6007 g_assert (image->references [assembly_idx - 1]);
6008 if (image->references [assembly_idx - 1] == (gpointer)-1)
6011 /* FIXME: Cycle detection */
6012 return mono_class_from_name (image->references [assembly_idx - 1]->image, name_space, name);
6014 g_error ("not yet implemented");
6018 token = MONO_TOKEN_TYPE_DEF | token;
6020 class = mono_class_get (image, token);
6022 return return_nested_in (class, nested);
6027 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
6028 gboolean check_interfaces)
6030 g_assert (klassc->idepth > 0);
6031 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
6032 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
6034 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
6037 for (i = 0; i < klass->interface_count; i ++) {
6038 MonoClass *ic = klass->interfaces [i];
6043 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
6048 * MS.NET thinks interfaces are a subclass of Object, so we think it as
6051 if (klassc == mono_defaults.object_class)
6058 mono_class_has_variant_generic_params (MonoClass *klass)
6061 MonoGenericContainer *container;
6063 if (!klass->generic_class)
6066 container = klass->generic_class->container_class->generic_container;
6068 for (i = 0; i < container->type_argc; ++i)
6069 if (mono_generic_container_get_param_info (container, i)->flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT))
6076 * mono_class_is_assignable_from:
6077 * @klass: the class to be assigned to
6078 * @oklass: the source class
6080 * Return: true if an instance of object oklass can be assigned to an
6081 * instance of object @klass
6084 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
6087 mono_class_init (klass);
6089 if (!oklass->inited)
6090 mono_class_init (oklass);
6092 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
6093 return klass == oklass;
6095 if (MONO_CLASS_IS_INTERFACE (klass)) {
6096 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
6099 /* interface_offsets might not be set for dynamic classes */
6100 if (oklass->reflection_info && !oklass->interface_bitmap)
6102 * oklass might be a generic type parameter but they have
6103 * interface_offsets set.
6105 return mono_reflection_call_is_assignable_to (oklass, klass);
6106 if (!oklass->interface_bitmap)
6107 /* Happens with generic instances of not-yet created dynamic types */
6109 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
6112 if (mono_class_has_variant_generic_params (klass)) {
6113 if (oklass->generic_class) {
6115 gboolean match = FALSE;
6116 MonoClass *container_class1 = klass->generic_class->container_class;
6117 MonoClass *container_class2 = oklass->generic_class->container_class;
6120 * Check whenever the generic definition of oklass implements the
6121 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
6122 * here since the relevant tables are not set up.
6124 for (i = 0; i < container_class2->interface_offsets_count; ++i)
6125 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)))
6129 MonoGenericContainer *container;
6131 container = klass->generic_class->container_class->generic_container;
6134 for (i = 0; i < container->type_argc; ++i) {
6135 MonoClass *param1_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
6136 MonoClass *param2_class = mono_class_from_mono_type (oklass->generic_class->context.class_inst->type_argv [i]);
6138 if (param1_class->valuetype != param2_class->valuetype) {
6143 * The _VARIANT and _COVARIANT constants should read _COVARIANT and
6144 * _CONTRAVARIANT, but they are in a public header so we can't fix it.
6146 if (param1_class != param2_class) {
6147 if ((mono_generic_container_get_param_info (container, i)->flags & MONO_GEN_PARAM_VARIANT) && mono_class_is_assignable_from (param1_class, param2_class))
6149 else if (((mono_generic_container_get_param_info (container, i)->flags & MONO_GEN_PARAM_COVARIANT) && mono_class_is_assignable_from (param2_class, param1_class)))
6163 } else if (klass->rank) {
6164 MonoClass *eclass, *eoclass;
6166 if (oklass->rank != klass->rank)
6169 /* vectors vs. one dimensional arrays */
6170 if (oklass->byval_arg.type != klass->byval_arg.type)
6173 eclass = klass->cast_class;
6174 eoclass = oklass->cast_class;
6177 * a is b does not imply a[] is b[] when a is a valuetype, and
6178 * b is a reference type.
6181 if (eoclass->valuetype) {
6182 if ((eclass == mono_defaults.enum_class) ||
6183 (eclass == mono_defaults.enum_class->parent) ||
6184 (eclass == mono_defaults.object_class))
6188 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6189 } else if (mono_class_is_nullable (klass)) {
6190 if (mono_class_is_nullable (oklass))
6191 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
6193 return mono_class_is_assignable_from (klass->cast_class, oklass);
6194 } else if (klass == mono_defaults.object_class)
6197 return mono_class_has_parent (oklass, klass);
6201 * mono_class_get_cctor:
6202 * @klass: A MonoClass pointer
6204 * Returns: the static constructor of @klass if it exists, NULL otherwise.
6207 mono_class_get_cctor (MonoClass *klass)
6209 MonoCachedClassInfo cached_info;
6211 if (!klass->has_cctor)
6214 if (mono_class_get_cached_class_info (klass, &cached_info))
6215 return mono_get_method (klass->image, cached_info.cctor_token, klass);
6217 if (klass->generic_class && !klass->methods)
6218 return mono_class_get_inflated_method (klass, mono_class_get_cctor (klass->generic_class->container_class));
6220 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
6224 * mono_class_get_finalizer:
6225 * @klass: The MonoClass pointer
6227 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
6230 mono_class_get_finalizer (MonoClass *klass)
6232 MonoCachedClassInfo cached_info;
6235 mono_class_init (klass);
6236 if (!klass->has_finalize)
6239 if (mono_class_get_cached_class_info (klass, &cached_info))
6240 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
6242 mono_class_setup_vtable (klass);
6243 return klass->vtable [finalize_slot];
6248 * mono_class_needs_cctor_run:
6249 * @klass: the MonoClass pointer
6250 * @caller: a MonoMethod describing the caller
6252 * Determines whenever the class has a static constructor and whenever it
6253 * needs to be called when executing CALLER.
6256 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
6260 method = mono_class_get_cctor (klass);
6262 return (method == caller) ? FALSE : TRUE;
6268 * mono_class_array_element_size:
6271 * Returns: the number of bytes an element of type @klass
6272 * uses when stored into an array.
6275 mono_class_array_element_size (MonoClass *klass)
6277 MonoType *type = &klass->byval_arg;
6280 switch (type->type) {
6283 case MONO_TYPE_BOOLEAN:
6287 case MONO_TYPE_CHAR:
6296 case MONO_TYPE_CLASS:
6297 case MONO_TYPE_STRING:
6298 case MONO_TYPE_OBJECT:
6299 case MONO_TYPE_SZARRAY:
6300 case MONO_TYPE_ARRAY:
6302 case MONO_TYPE_MVAR:
6303 return sizeof (gpointer);
6308 case MONO_TYPE_VALUETYPE:
6309 if (type->data.klass->enumtype) {
6310 type = mono_class_enum_basetype (type->data.klass);
6311 klass = klass->element_class;
6314 return mono_class_instance_size (klass) - sizeof (MonoObject);
6315 case MONO_TYPE_GENERICINST:
6316 type = &type->data.generic_class->container_class->byval_arg;
6319 case MONO_TYPE_VOID:
6323 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
6329 * mono_array_element_size:
6330 * @ac: pointer to a #MonoArrayClass
6332 * Returns: the size of single array element.
6335 mono_array_element_size (MonoClass *ac)
6337 g_assert (ac->rank);
6338 return ac->sizes.element_size;
6342 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
6343 MonoGenericContext *context)
6345 if (image->dynamic) {
6346 MonoClass *tmp_handle_class;
6347 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
6349 g_assert (tmp_handle_class);
6351 *handle_class = tmp_handle_class;
6353 if (tmp_handle_class == mono_defaults.typehandle_class)
6354 return &((MonoClass*)obj)->byval_arg;
6359 switch (token & 0xff000000) {
6360 case MONO_TOKEN_TYPE_DEF:
6361 case MONO_TOKEN_TYPE_REF:
6362 case MONO_TOKEN_TYPE_SPEC: {
6365 *handle_class = mono_defaults.typehandle_class;
6366 type = mono_type_get_full (image, token, context);
6369 mono_class_init (mono_class_from_mono_type (type));
6370 /* We return a MonoType* as handle */
6373 case MONO_TOKEN_FIELD_DEF: {
6375 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
6377 *handle_class = mono_defaults.fieldhandle_class;
6378 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
6381 mono_class_init (class);
6382 return mono_class_get_field (class, token);
6384 case MONO_TOKEN_METHOD_DEF:
6385 case MONO_TOKEN_METHOD_SPEC: {
6387 meth = mono_get_method_full (image, token, NULL, context);
6389 *handle_class = mono_defaults.methodhandle_class;
6392 case MONO_TOKEN_MEMBER_REF: {
6393 guint32 cols [MONO_MEMBERREF_SIZE];
6395 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
6396 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
6397 mono_metadata_decode_blob_size (sig, &sig);
6398 if (*sig == 0x6) { /* it's a field */
6400 MonoClassField *field;
6401 field = mono_field_from_token (image, token, &klass, context);
6403 *handle_class = mono_defaults.fieldhandle_class;
6407 meth = mono_get_method_full (image, token, NULL, context);
6409 *handle_class = mono_defaults.methodhandle_class;
6414 g_warning ("Unknown token 0x%08x in ldtoken", token);
6421 * This function might need to call runtime functions so it can't be part
6422 * of the metadata library.
6424 static MonoLookupDynamicToken lookup_dynamic = NULL;
6427 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
6429 lookup_dynamic = func;
6433 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
6435 MonoClass *handle_class;
6437 return lookup_dynamic (image, token, TRUE, &handle_class, context);
6441 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
6443 return lookup_dynamic (image, token, valid_token, handle_class, context);
6446 static MonoGetCachedClassInfo get_cached_class_info = NULL;
6449 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
6451 get_cached_class_info = func;
6455 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
6457 if (!get_cached_class_info)
6460 return get_cached_class_info (klass, res);
6464 mono_install_get_class_from_name (MonoGetClassFromName func)
6466 get_class_from_name = func;
6470 mono_class_get_image (MonoClass *klass)
6472 return klass->image;
6476 * mono_class_get_element_class:
6477 * @klass: the MonoClass to act on
6479 * Returns: the element class of an array or an enumeration.
6482 mono_class_get_element_class (MonoClass *klass)
6484 return klass->element_class;
6488 * mono_class_is_valuetype:
6489 * @klass: the MonoClass to act on
6491 * Returns: true if the MonoClass represents a ValueType.
6494 mono_class_is_valuetype (MonoClass *klass)
6496 return klass->valuetype;
6500 * mono_class_is_enum:
6501 * @klass: the MonoClass to act on
6503 * Returns: true if the MonoClass represents an enumeration.
6506 mono_class_is_enum (MonoClass *klass)
6508 return klass->enumtype;
6512 * mono_class_enum_basetype:
6513 * @klass: the MonoClass to act on
6515 * Returns: the underlying type representation for an enumeration.
6518 mono_class_enum_basetype (MonoClass *klass)
6520 if (klass->element_class == klass)
6524 return &klass->element_class->byval_arg;
6528 * mono_class_get_parent
6529 * @klass: the MonoClass to act on
6531 * Returns: the parent class for this class.
6534 mono_class_get_parent (MonoClass *klass)
6536 return klass->parent;
6540 * mono_class_get_nesting_type;
6541 * @klass: the MonoClass to act on
6543 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
6546 mono_class_get_nesting_type (MonoClass *klass)
6548 return klass->nested_in;
6552 * mono_class_get_rank:
6553 * @klass: the MonoClass to act on
6555 * Returns: the rank for the array (the number of dimensions).
6558 mono_class_get_rank (MonoClass *klass)
6564 * mono_class_get_flags:
6565 * @klass: the MonoClass to act on
6567 * The type flags from the TypeDef table from the metadata.
6568 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
6571 * Returns: the flags from the TypeDef table.
6574 mono_class_get_flags (MonoClass *klass)
6576 return klass->flags;
6580 * mono_class_get_name
6581 * @klass: the MonoClass to act on
6583 * Returns: the name of the class.
6586 mono_class_get_name (MonoClass *klass)
6592 * mono_class_get_namespace:
6593 * @klass: the MonoClass to act on
6595 * Returns: the namespace of the class.
6598 mono_class_get_namespace (MonoClass *klass)
6600 return klass->name_space;
6604 * mono_class_get_type:
6605 * @klass: the MonoClass to act on
6607 * This method returns the internal Type representation for the class.
6609 * Returns: the MonoType from the class.
6612 mono_class_get_type (MonoClass *klass)
6614 return &klass->byval_arg;
6618 * mono_class_get_type_token
6619 * @klass: the MonoClass to act on
6621 * This method returns type token for the class.
6623 * Returns: the type token for the class.
6626 mono_class_get_type_token (MonoClass *klass)
6628 return klass->type_token;
6632 * mono_class_get_byref_type:
6633 * @klass: the MonoClass to act on
6638 mono_class_get_byref_type (MonoClass *klass)
6640 return &klass->this_arg;
6644 * mono_class_num_fields:
6645 * @klass: the MonoClass to act on
6647 * Returns: the number of static and instance fields in the class.
6650 mono_class_num_fields (MonoClass *klass)
6652 return klass->field.count;
6656 * mono_class_num_methods:
6657 * @klass: the MonoClass to act on
6659 * Returns: the number of methods in the class.
6662 mono_class_num_methods (MonoClass *klass)
6664 return klass->method.count;
6668 * mono_class_num_properties
6669 * @klass: the MonoClass to act on
6671 * Returns: the number of properties in the class.
6674 mono_class_num_properties (MonoClass *klass)
6676 mono_class_setup_properties (klass);
6678 return klass->ext->property.count;
6682 * mono_class_num_events:
6683 * @klass: the MonoClass to act on
6685 * Returns: the number of events in the class.
6688 mono_class_num_events (MonoClass *klass)
6690 mono_class_setup_events (klass);
6692 return klass->ext->event.count;
6696 * mono_class_get_fields:
6697 * @klass: the MonoClass to act on
6699 * This routine is an iterator routine for retrieving the fields in a class.
6701 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6702 * iterate over all of the elements. When no more values are
6703 * available, the return value is NULL.
6705 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6708 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6710 MonoClassField* field;
6714 mono_class_setup_fields_locking (klass);
6715 if (klass->exception_type)
6717 /* start from the first */
6718 if (klass->field.count) {
6719 return *iter = &klass->fields [0];
6727 if (field < &klass->fields [klass->field.count]) {
6728 return *iter = field;
6734 * mono_class_get_methods
6735 * @klass: the MonoClass to act on
6737 * This routine is an iterator routine for retrieving the fields in a class.
6739 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6740 * iterate over all of the elements. When no more values are
6741 * available, the return value is NULL.
6743 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6746 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6748 MonoMethod** method;
6752 mono_class_init (klass);
6754 mono_class_setup_methods (klass);
6755 /* start from the first */
6756 if (klass->method.count) {
6757 *iter = &klass->methods [0];
6758 return klass->methods [0];
6766 if (method < &klass->methods [klass->method.count]) {
6774 * mono_class_get_virtual_methods:
6776 * Iterate over the virtual methods of KLASS.
6778 * LOCKING: Assumes the loader lock is held (because of the klass->methods check).
6781 mono_class_get_virtual_methods (MonoClass* klass, gpointer *iter)
6783 MonoMethod** method;
6786 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass) || mono_debug_using_mono_debugger ()) {
6788 mono_class_setup_methods (klass);
6789 /* start from the first */
6790 method = &klass->methods [0];
6795 while (method < &klass->methods [klass->method.count]) {
6796 if (((*method)->flags & METHOD_ATTRIBUTE_VIRTUAL))
6800 if (method < &klass->methods [klass->method.count]) {
6807 /* Search directly in metadata to avoid calling setup_methods () */
6808 MonoMethod *res = NULL;
6814 start_index = GPOINTER_TO_UINT (*iter);
6817 for (i = start_index; i < klass->method.count; ++i) {
6818 guint32 cols [MONO_METHOD_SIZE];
6820 /* class->method.first points into the methodptr table */
6821 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6823 if (cols [MONO_METHOD_FLAGS] & METHOD_ATTRIBUTE_VIRTUAL)
6827 if (i < klass->method.count) {
6828 res = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6829 /* Add 1 here so the if (*iter) check fails */
6830 *iter = GUINT_TO_POINTER (i + 1);
6839 * mono_class_get_properties:
6840 * @klass: the MonoClass to act on
6842 * This routine is an iterator routine for retrieving the properties in a class.
6844 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6845 * iterate over all of the elements. When no more values are
6846 * available, the return value is NULL.
6848 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6851 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6853 MonoProperty* property;
6857 mono_class_init (klass);
6859 mono_class_setup_properties (klass);
6860 /* start from the first */
6861 if (klass->ext->property.count) {
6862 return *iter = &klass->ext->properties [0];
6870 if (property < &klass->ext->properties [klass->ext->property.count]) {
6871 return *iter = property;
6877 * mono_class_get_events:
6878 * @klass: the MonoClass to act on
6880 * This routine is an iterator routine for retrieving the properties in a class.
6882 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6883 * iterate over all of the elements. When no more values are
6884 * available, the return value is NULL.
6886 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6889 mono_class_get_events (MonoClass* klass, gpointer *iter)
6895 mono_class_init (klass);
6897 mono_class_setup_events (klass);
6898 /* start from the first */
6899 if (klass->ext->event.count) {
6900 return *iter = &klass->ext->events [0];
6908 if (event < &klass->ext->events [klass->ext->event.count]) {
6909 return *iter = event;
6915 * mono_class_get_interfaces
6916 * @klass: the MonoClass to act on
6918 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6920 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6921 * iterate over all of the elements. When no more values are
6922 * available, the return value is NULL.
6924 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6927 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6934 mono_class_init (klass);
6935 if (!klass->interfaces_inited)
6936 mono_class_setup_interfaces (klass);
6937 /* start from the first */
6938 if (klass->interface_count) {
6939 *iter = &klass->interfaces [0];
6940 return klass->interfaces [0];
6948 if (iface < &klass->interfaces [klass->interface_count]) {
6956 * mono_class_get_nested_types
6957 * @klass: the MonoClass to act on
6959 * This routine is an iterator routine for retrieving the nested types of a class.
6960 * This works only if @klass is non-generic, or a generic type definition.
6962 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6963 * iterate over all of the elements. When no more values are
6964 * available, the return value is NULL.
6966 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6969 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6977 mono_class_init (klass);
6978 if (!klass->nested_classes_inited) {
6979 if (!klass->type_token)
6980 klass->nested_classes_inited = TRUE;
6981 mono_loader_lock ();
6982 if (!klass->nested_classes_inited) {
6983 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, 1);
6986 guint32 cols [MONO_NESTED_CLASS_SIZE];
6987 mono_metadata_decode_row (&klass->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
6988 nclass = mono_class_create_from_typedef (klass->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
6989 mono_class_alloc_ext (klass);
6990 klass->ext->nested_classes = g_list_prepend_image (klass->image, klass->ext->nested_classes, nclass);
6992 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, i + 1);
6995 mono_memory_barrier ();
6996 klass->nested_classes_inited = TRUE;
6997 mono_loader_unlock ();
7001 /* start from the first */
7002 if (klass->ext && klass->ext->nested_classes) {
7003 *iter = klass->ext->nested_classes;
7004 return klass->ext->nested_classes->data;
7006 /* no nested types */
7020 * mono_field_get_name:
7021 * @field: the MonoClassField to act on
7023 * Returns: the name of the field.
7026 mono_field_get_name (MonoClassField *field)
7032 * mono_field_get_type:
7033 * @field: the MonoClassField to act on
7035 * Returns: MonoType of the field.
7038 mono_field_get_type (MonoClassField *field)
7044 * mono_field_get_parent:
7045 * @field: the MonoClassField to act on
7047 * Returns: MonoClass where the field was defined.
7050 mono_field_get_parent (MonoClassField *field)
7052 return field->parent;
7056 * mono_field_get_flags;
7057 * @field: the MonoClassField to act on
7059 * The metadata flags for a field are encoded using the
7060 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
7062 * Returns: the flags for the field.
7065 mono_field_get_flags (MonoClassField *field)
7067 return field->type->attrs;
7071 * mono_field_get_offset;
7072 * @field: the MonoClassField to act on
7074 * Returns: the field offset.
7077 mono_field_get_offset (MonoClassField *field)
7079 return field->offset;
7083 mono_field_get_rva (MonoClassField *field)
7087 MonoClass *klass = field->parent;
7089 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA);
7091 if (!klass->ext || !klass->ext->field_def_values) {
7092 mono_loader_lock ();
7093 mono_class_alloc_ext (klass);
7094 if (!klass->ext->field_def_values)
7095 klass->ext->field_def_values = mono_image_alloc0 (klass->image, sizeof (MonoFieldDefaultValue) * klass->field.count);
7096 mono_loader_unlock ();
7099 field_index = mono_field_get_index (field);
7101 if (!klass->ext->field_def_values [field_index].data && !klass->image->dynamic) {
7102 mono_metadata_field_info (field->parent->image, klass->field.first + field_index, NULL, &rva, NULL);
7104 g_warning ("field %s in %s should have RVA data, but hasn't", mono_field_get_name (field), field->parent->name);
7105 klass->ext->field_def_values [field_index].data = mono_image_rva_map (field->parent->image, rva);
7108 return klass->ext->field_def_values [field_index].data;
7112 * mono_field_get_data;
7113 * @field: the MonoClassField to act on
7115 * Returns: pointer to the metadata constant value or to the field
7116 * data if it has an RVA flag.
7119 mono_field_get_data (MonoClassField *field)
7121 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT) {
7122 MonoTypeEnum def_type;
7124 return mono_class_get_field_default_value (field, &def_type);
7125 } else if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
7126 return mono_field_get_rva (field);
7133 * mono_property_get_name:
7134 * @prop: the MonoProperty to act on
7136 * Returns: the name of the property
7139 mono_property_get_name (MonoProperty *prop)
7145 * mono_property_get_set_method
7146 * @prop: the MonoProperty to act on.
7148 * Returns: the setter method of the property (A MonoMethod)
7151 mono_property_get_set_method (MonoProperty *prop)
7157 * mono_property_get_get_method
7158 * @prop: the MonoProperty to act on.
7160 * Returns: the setter method of the property (A MonoMethod)
7163 mono_property_get_get_method (MonoProperty *prop)
7169 * mono_property_get_parent:
7170 * @prop: the MonoProperty to act on.
7172 * Returns: the MonoClass where the property was defined.
7175 mono_property_get_parent (MonoProperty *prop)
7177 return prop->parent;
7181 * mono_property_get_flags:
7182 * @prop: the MonoProperty to act on.
7184 * The metadata flags for a property are encoded using the
7185 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
7187 * Returns: the flags for the property.
7190 mono_property_get_flags (MonoProperty *prop)
7196 * mono_event_get_name:
7197 * @event: the MonoEvent to act on
7199 * Returns: the name of the event.
7202 mono_event_get_name (MonoEvent *event)
7208 * mono_event_get_add_method:
7209 * @event: The MonoEvent to act on.
7211 * Returns: the @add' method for the event (a MonoMethod).
7214 mono_event_get_add_method (MonoEvent *event)
7220 * mono_event_get_remove_method:
7221 * @event: The MonoEvent to act on.
7223 * Returns: the @remove method for the event (a MonoMethod).
7226 mono_event_get_remove_method (MonoEvent *event)
7228 return event->remove;
7232 * mono_event_get_raise_method:
7233 * @event: The MonoEvent to act on.
7235 * Returns: the @raise method for the event (a MonoMethod).
7238 mono_event_get_raise_method (MonoEvent *event)
7240 return event->raise;
7244 * mono_event_get_parent:
7245 * @event: the MonoEvent to act on.
7247 * Returns: the MonoClass where the event is defined.
7250 mono_event_get_parent (MonoEvent *event)
7252 return event->parent;
7256 * mono_event_get_flags
7257 * @event: the MonoEvent to act on.
7259 * The metadata flags for an event are encoded using the
7260 * EVENT_* constants. See the tabledefs.h file for details.
7262 * Returns: the flags for the event.
7265 mono_event_get_flags (MonoEvent *event)
7267 return event->attrs;
7271 * mono_class_get_method_from_name:
7272 * @klass: where to look for the method
7273 * @name_space: name of the method
7274 * @param_count: number of parameters. -1 for any number.
7276 * Obtains a MonoMethod with a given name and number of parameters.
7277 * It only works if there are no multiple signatures for any given method name.
7280 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
7282 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
7286 find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags)
7288 MonoMethod *res = NULL;
7291 /* Search directly in the metadata to avoid calling setup_methods () */
7292 for (i = 0; i < klass->method.count; ++i) {
7293 guint32 cols [MONO_METHOD_SIZE];
7296 /* class->method.first points into the methodptr table */
7297 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
7299 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
7300 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
7301 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
7312 * mono_class_get_method_from_name_flags:
7313 * @klass: where to look for the method
7314 * @name_space: name of the method
7315 * @param_count: number of parameters. -1 for any number.
7316 * @flags: flags which must be set in the method
7318 * Obtains a MonoMethod with a given name and number of parameters.
7319 * It only works if there are no multiple signatures for any given method name.
7322 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
7324 MonoMethod *res = NULL;
7327 mono_class_init (klass);
7329 if (klass->generic_class && !klass->methods) {
7330 res = mono_class_get_method_from_name_flags (klass->generic_class->container_class, name, param_count, flags);
7332 res = mono_class_inflate_generic_method_full (res, klass, mono_class_get_context (klass));
7336 if (klass->methods || !MONO_CLASS_HAS_STATIC_METADATA (klass)) {
7337 mono_class_setup_methods (klass);
7338 for (i = 0; i < klass->method.count; ++i) {
7339 MonoMethod *method = klass->methods [i];
7341 if (method->name[0] == name [0] &&
7342 !strcmp (name, method->name) &&
7343 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
7344 ((method->flags & flags) == flags)) {
7351 res = find_method_in_metadata (klass, name, param_count, flags);
7358 * mono_class_set_failure:
7359 * @klass: class in which the failure was detected
7360 * @ex_type: the kind of exception/error to be thrown (later)
7361 * @ex_data: exception data (specific to each type of exception/error)
7363 * Keep a detected failure informations in the class for later processing.
7364 * Note that only the first failure is kept.
7366 * LOCKING: Acquires the loader lock.
7369 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
7371 if (klass->exception_type)
7374 mono_loader_lock ();
7375 klass->exception_type = ex_type;
7377 mono_image_property_insert (klass->image, klass, MONO_CLASS_PROP_EXCEPTION_DATA, ex_data);
7378 mono_loader_unlock ();
7384 * mono_class_get_exception_data:
7386 * Return the exception_data property of KLASS.
7388 * LOCKING: Acquires the loader lock.
7391 mono_class_get_exception_data (MonoClass *klass)
7393 return mono_image_property_lookup (klass->image, klass, MONO_CLASS_PROP_EXCEPTION_DATA);
7397 * mono_classes_init:
7399 * Initialize the resources used by this module.
7402 mono_classes_init (void)
7404 mono_counters_register ("Inflated methods size",
7405 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_methods_size);
7406 mono_counters_register ("Inflated classes",
7407 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes);
7408 mono_counters_register ("Inflated classes size",
7409 MONO_COUNTER_GENERICS | MONO_COUNTER_INT, &inflated_classes_size);
7410 mono_counters_register ("MonoClass size",
7411 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &classes_size);
7412 mono_counters_register ("MonoClassExt size",
7413 MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_ext_size);
7417 * mono_classes_cleanup:
7419 * Free the resources used by this module.
7422 mono_classes_cleanup (void)
7424 if (global_interface_bitset)
7425 mono_bitset_free (global_interface_bitset);
7429 * mono_class_get_exception_for_failure:
7430 * @klass: class in which the failure was detected
7432 * Return a constructed MonoException than the caller can then throw
7433 * using mono_raise_exception - or NULL if no failure is present (or
7434 * doesn't result in an exception).
7437 mono_class_get_exception_for_failure (MonoClass *klass)
7439 gpointer exception_data = mono_class_get_exception_data (klass);
7441 switch (klass->exception_type) {
7442 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
7443 MonoDomain *domain = mono_domain_get ();
7444 MonoSecurityManager* secman = mono_security_manager_get_methods ();
7445 MonoMethod *method = exception_data;
7446 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
7447 MonoObject *exc = NULL;
7451 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
7452 args [2] = mono_type_get_object (domain, &klass->byval_arg);
7453 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
7455 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
7456 return (MonoException*) exc;
7458 case MONO_EXCEPTION_TYPE_LOAD: {
7461 char *str = mono_type_get_full_name (klass);
7462 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
7463 name = mono_string_new (mono_domain_get (), str);
7465 ex = mono_get_exception_type_load (name, astr);
7469 case MONO_EXCEPTION_MISSING_METHOD: {
7470 char *class_name = exception_data;
7471 char *assembly_name = class_name + strlen (class_name) + 1;
7473 return mono_get_exception_missing_method (class_name, assembly_name);
7475 case MONO_EXCEPTION_MISSING_FIELD: {
7476 char *class_name = exception_data;
7477 char *member_name = class_name + strlen (class_name) + 1;
7479 return mono_get_exception_missing_field (class_name, member_name);
7481 case MONO_EXCEPTION_FILE_NOT_FOUND: {
7482 char *msg_format = exception_data;
7483 char *assembly_name = msg_format + strlen (msg_format) + 1;
7484 char *msg = g_strdup_printf (msg_format, assembly_name);
7487 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
7493 case MONO_EXCEPTION_BAD_IMAGE: {
7494 return mono_get_exception_bad_image_format (exception_data);
7497 MonoLoaderError *error;
7500 error = mono_loader_get_last_error ();
7502 ex = mono_loader_error_prepare_exception (error);
7506 /* TODO - handle other class related failures */
7513 is_nesting_type (MonoClass *outer_klass, MonoClass *inner_klass)
7515 outer_klass = mono_class_get_generic_type_definition (outer_klass);
7516 inner_klass = mono_class_get_generic_type_definition (inner_klass);
7518 if (outer_klass == inner_klass)
7520 inner_klass = inner_klass->nested_in;
7521 } while (inner_klass);
7526 mono_class_get_generic_type_definition (MonoClass *klass)
7528 return klass->generic_class ? klass->generic_class->container_class : klass;
7532 * Check if @klass is a subtype of @parent ignoring generic instantiations.
7534 * Generic instantiations are ignored for all super types of @klass.
7536 * Visibility checks ignoring generic instantiations.
7539 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent)
7542 klass = mono_class_get_generic_type_definition (klass);
7543 parent = mono_class_get_generic_type_definition (parent);
7545 for (i = 0; i < klass->idepth; ++i) {
7546 if (parent == mono_class_get_generic_type_definition (klass->supertypes [i]))
7552 * Subtype can only access parent members with family protection if the site object
7553 * is subclass of Subtype. For example:
7554 * class A { protected int x; }
7556 * void valid_access () {
7560 * void invalid_access () {
7567 is_valid_family_access (MonoClass *access_klass, MonoClass *member_klass, MonoClass *context_klass)
7569 if (!mono_class_has_parent_and_ignore_generics (access_klass, member_klass))
7572 if (context_klass == NULL)
7574 /*if access_klass is not member_klass context_klass must be type compat*/
7575 if (access_klass != member_klass && !mono_class_has_parent_and_ignore_generics (context_klass, access_klass))
7581 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
7584 if (accessing == accessed)
7586 if (!accessed || !accessing)
7588 mono_assembly_load_friends (accessed);
7589 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
7590 MonoAssemblyName *friend = tmp->data;
7591 /* Be conservative with checks */
7594 if (strcmp (accessing->aname.name, friend->name))
7596 if (friend->public_key_token [0]) {
7597 if (!accessing->aname.public_key_token [0])
7599 if (!mono_public_tokens_are_equal (friend->public_key_token, accessing->aname.public_key_token))
7608 * If klass is a generic type or if it is derived from a generic type, return the
7609 * MonoClass of the generic definition
7610 * Returns NULL if not found
7613 get_generic_definition_class (MonoClass *klass)
7616 if (klass->generic_class && klass->generic_class->container_class)
7617 return klass->generic_class->container_class;
7618 klass = klass->parent;
7624 can_access_instantiation (MonoClass *access_klass, MonoGenericInst *ginst)
7627 for (i = 0; i < ginst->type_argc; ++i) {
7628 MonoType *type = ginst->type_argv[i];
7629 switch (type->type) {
7630 case MONO_TYPE_SZARRAY:
7631 if (!can_access_type (access_klass, type->data.klass))
7634 case MONO_TYPE_ARRAY:
7635 if (!can_access_type (access_klass, type->data.array->eklass))
7639 if (!can_access_type (access_klass, mono_class_from_mono_type (type->data.type)))
7642 case MONO_TYPE_CLASS:
7643 case MONO_TYPE_VALUETYPE:
7644 case MONO_TYPE_GENERICINST:
7645 if (!can_access_type (access_klass, mono_class_from_mono_type (type)))
7653 can_access_type (MonoClass *access_klass, MonoClass *member_klass)
7657 if (access_klass->element_class && !access_klass->enumtype)
7658 access_klass = access_klass->element_class;
7660 if (member_klass->element_class && !member_klass->enumtype)
7661 member_klass = member_klass->element_class;
7663 access_level = member_klass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK;
7665 if (member_klass->byval_arg.type == MONO_TYPE_VAR || member_klass->byval_arg.type == MONO_TYPE_MVAR)
7668 if (member_klass->generic_class && !can_access_instantiation (access_klass, member_klass->generic_class->context.class_inst))
7671 if (is_nesting_type (access_klass, member_klass) || (access_klass->nested_in && is_nesting_type (access_klass->nested_in, member_klass)))
7674 if (member_klass->nested_in && !can_access_type (access_klass, member_klass->nested_in))
7677 switch (access_level) {
7678 case TYPE_ATTRIBUTE_NOT_PUBLIC:
7679 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7681 case TYPE_ATTRIBUTE_PUBLIC:
7684 case TYPE_ATTRIBUTE_NESTED_PUBLIC:
7687 case TYPE_ATTRIBUTE_NESTED_PRIVATE:
7688 return is_nesting_type (member_klass, access_klass);
7690 case TYPE_ATTRIBUTE_NESTED_FAMILY:
7691 return mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7693 case TYPE_ATTRIBUTE_NESTED_ASSEMBLY:
7694 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7696 case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM:
7697 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) &&
7698 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7700 case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM:
7701 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) ||
7702 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7707 /* FIXME: check visibility of type, too */
7709 can_access_member (MonoClass *access_klass, MonoClass *member_klass, MonoClass* context_klass, int access_level)
7711 MonoClass *member_generic_def;
7712 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
7713 access_klass->generic_container) &&
7714 (member_generic_def = get_generic_definition_class (member_klass))) {
7715 MonoClass *access_container;
7717 if (access_klass->generic_container)
7718 access_container = access_klass;
7720 access_container = access_klass->generic_class->container_class;
7722 if (can_access_member (access_container, member_generic_def, context_klass, access_level))
7726 /* Partition I 8.5.3.2 */
7727 /* the access level values are the same for fields and methods */
7728 switch (access_level) {
7729 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
7730 /* same compilation unit */
7731 return access_klass->image == member_klass->image;
7732 case FIELD_ATTRIBUTE_PRIVATE:
7733 return access_klass == member_klass;
7734 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
7735 if (is_valid_family_access (access_klass, member_klass, context_klass) &&
7736 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
7739 case FIELD_ATTRIBUTE_ASSEMBLY:
7740 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7741 case FIELD_ATTRIBUTE_FAMILY:
7742 if (is_valid_family_access (access_klass, member_klass, context_klass))
7745 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
7746 if (is_valid_family_access (access_klass, member_klass, context_klass))
7748 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7749 case FIELD_ATTRIBUTE_PUBLIC:
7756 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
7758 /* FIXME: check all overlapping fields */
7759 int can = can_access_member (method->klass, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7761 MonoClass *nested = method->klass->nested_in;
7763 can = can_access_member (nested, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7766 nested = nested->nested_in;
7773 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
7775 int can = can_access_member (method->klass, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7777 MonoClass *nested = method->klass->nested_in;
7779 can = can_access_member (nested, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7782 nested = nested->nested_in;
7787 * with generics calls to explicit interface implementations can be expressed
7788 * directly: the method is private, but we must allow it. This may be opening
7789 * a hole or the generics code should handle this differently.
7790 * Maybe just ensure the interface type is public.
7792 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
7798 * mono_method_can_access_method_full:
7799 * @method: The caller method
7800 * @called: The called method
7801 * @context_klass: The static type on stack of the owner @called object used
7803 * This function must be used with instance calls, as they have more strict family accessibility.
7804 * It can be used with static methods, but context_klass should be NULL.
7806 * Returns: TRUE if caller have proper visibility and acessibility to @called
7809 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass)
7811 MonoClass *access_class = method->klass;
7812 MonoClass *member_class = called->klass;
7813 int can = can_access_member (access_class, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7815 MonoClass *nested = access_class->nested_in;
7817 can = can_access_member (nested, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7820 nested = nested->nested_in;
7827 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7830 if (called->is_inflated) {
7831 MonoMethodInflated * infl = (MonoMethodInflated*)called;
7832 if (infl->context.method_inst && !can_access_instantiation (access_class, infl->context.method_inst))
7841 * mono_method_can_access_field_full:
7842 * @method: The caller method
7843 * @field: The accessed field
7844 * @context_klass: The static type on stack of the owner @field object used
7846 * This function must be used with instance fields, as they have more strict family accessibility.
7847 * It can be used with static fields, but context_klass should be NULL.
7849 * Returns: TRUE if caller have proper visibility and acessibility to @field
7852 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass)
7854 MonoClass *access_class = method->klass;
7855 MonoClass *member_class = field->parent;
7856 /* FIXME: check all overlapping fields */
7857 int can = can_access_member (access_class, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7859 MonoClass *nested = access_class->nested_in;
7861 can = can_access_member (nested, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7864 nested = nested->nested_in;
7871 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7877 * mono_type_is_valid_enum_basetype:
7878 * @type: The MonoType to check
7880 * Returns: TRUE if the type can be used as the basetype of an enum
7882 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
7883 switch (type->type) {
7886 case MONO_TYPE_BOOLEAN:
7889 case MONO_TYPE_CHAR:
7902 * mono_class_is_valid_enum:
7903 * @klass: An enum class to be validated
7905 * This method verify the required properties an enum should have.
7907 * Returns: TRUE if the informed enum class is valid
7909 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
7910 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
7911 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
7913 gboolean mono_class_is_valid_enum (MonoClass *klass) {
7914 MonoClassField * field;
7915 gpointer iter = NULL;
7916 gboolean found_base_field = FALSE;
7918 g_assert (klass->enumtype);
7919 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
7920 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
7924 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
7927 while ((field = mono_class_get_fields (klass, &iter))) {
7928 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
7929 if (found_base_field)
7931 found_base_field = TRUE;
7932 if (!mono_type_is_valid_enum_basetype (field->type))
7937 if (!found_base_field)
7940 if (klass->method.count > 0)
7947 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
7949 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
7952 static gboolean gshared_supported;
7955 mono_set_generic_sharing_supported (gboolean supported)
7957 gshared_supported = supported;
7961 * mono_class_generic_sharing_enabled:
7964 * Returns whether generic sharing is enabled for class.
7966 * This is a stop-gap measure to slowly introduce generic sharing
7967 * until we have all the issues sorted out, at which time this
7968 * function will disappear and generic sharing will always be enabled.
7971 mono_class_generic_sharing_enabled (MonoClass *class)
7973 static int generic_sharing = MONO_GENERIC_SHARING_NONE;
7974 static gboolean inited = FALSE;
7979 if (gshared_supported)
7980 generic_sharing = MONO_GENERIC_SHARING_ALL;
7982 generic_sharing = MONO_GENERIC_SHARING_NONE;
7984 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
7985 if (strcmp (option, "corlib") == 0)
7986 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
7987 else if (strcmp (option, "collections") == 0)
7988 generic_sharing = MONO_GENERIC_SHARING_COLLECTIONS;
7989 else if (strcmp (option, "all") == 0)
7990 generic_sharing = MONO_GENERIC_SHARING_ALL;
7991 else if (strcmp (option, "none") == 0)
7992 generic_sharing = MONO_GENERIC_SHARING_NONE;
7994 g_warning ("Unknown generic sharing option `%s'.", option);
7997 if (!gshared_supported)
7998 generic_sharing = MONO_GENERIC_SHARING_NONE;
8003 switch (generic_sharing) {
8004 case MONO_GENERIC_SHARING_NONE:
8006 case MONO_GENERIC_SHARING_ALL:
8008 case MONO_GENERIC_SHARING_CORLIB :
8009 return class->image == mono_defaults.corlib;
8010 case MONO_GENERIC_SHARING_COLLECTIONS:
8011 if (class->image != mono_defaults.corlib)
8013 while (class->nested_in)
8014 class = class->nested_in;
8015 return g_str_has_prefix (class->name_space, "System.Collections.Generic");
8017 g_assert_not_reached ();
8022 * mono_class_setup_interface_id:
8024 * Initializes MonoClass::interface_id if required.
8026 * LOCKING: Acquires the loader lock.
8029 mono_class_setup_interface_id (MonoClass *class)
8031 mono_loader_lock ();
8032 if (MONO_CLASS_IS_INTERFACE (class) && !class->interface_id)
8033 class->interface_id = mono_get_unique_iid (class);
8034 mono_loader_unlock ();
8038 * mono_class_alloc_ext:
8040 * Allocate klass->ext if not already done.
8041 * LOCKING: Assumes the loader lock is held.
8044 mono_class_alloc_ext (MonoClass *klass)
8047 if (klass->generic_class) {
8048 klass->ext = g_new0 (MonoClassExt, 1);
8050 klass->ext = mono_image_alloc0 (klass->image, sizeof (MonoClassExt));
8052 class_ext_size += sizeof (MonoClassExt);
8057 * mono_class_setup_interfaces:
8059 * Initialize class->interfaces/interfaces_count.
8060 * LOCKING: Acquires the loader lock.
8063 mono_class_setup_interfaces (MonoClass *klass)
8067 if (klass->interfaces_inited)
8070 mono_loader_lock ();
8072 if (klass->interfaces_inited) {
8073 mono_loader_unlock ();
8077 if (klass->rank == 1 && klass->byval_arg.type != MONO_TYPE_ARRAY && mono_defaults.generic_ilist_class) {
8080 /* generic IList, ICollection, IEnumerable */
8081 klass->interface_count = 1;
8082 klass->interfaces = mono_image_alloc0 (klass->image, sizeof (MonoClass*) * klass->interface_count);
8084 args [0] = &klass->element_class->byval_arg;
8085 klass->interfaces [0] = mono_class_bind_generic_parameters (
8086 mono_defaults.generic_ilist_class, 1, args, FALSE);
8087 } else if (klass->generic_class) {
8088 MonoClass *gklass = klass->generic_class->container_class;
8090 klass->interface_count = gklass->interface_count;
8091 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
8092 for (i = 0; i < klass->interface_count; i++)
8093 klass->interfaces [i] = mono_class_inflate_generic_class (gklass->interfaces [i], mono_generic_class_get_context (klass->generic_class));
8096 mono_memory_barrier ();
8098 klass->interfaces_inited = TRUE;
8100 mono_loader_unlock ();