2 * class.c: Class management for the Mono runtime
5 * Miguel de Icaza (miguel@ximian.com)
7 * (C) 2001-2006 Novell, Inc.
17 #include <mono/io-layer/atomic.h>
19 #include <mono/metadata/image.h>
20 #include <mono/metadata/assembly.h>
21 #include <mono/metadata/metadata.h>
22 #include <mono/metadata/metadata-internals.h>
23 #include <mono/metadata/profiler-private.h>
24 #include <mono/metadata/tabledefs.h>
25 #include <mono/metadata/tokentype.h>
26 #include <mono/metadata/class-internals.h>
27 #include <mono/metadata/object.h>
28 #include <mono/metadata/appdomain.h>
29 #include <mono/metadata/mono-endian.h>
30 #include <mono/metadata/debug-helpers.h>
31 #include <mono/metadata/reflection.h>
32 #include <mono/metadata/exception.h>
33 #include <mono/metadata/security-manager.h>
34 #include <mono/metadata/security-core-clr.h>
35 #include <mono/metadata/attrdefs.h>
36 #include <mono/metadata/gc-internal.h>
37 #include <mono/utils/mono-counters.h>
41 gboolean mono_print_vtable = FALSE;
43 /* Function supplied by the runtime to find classes by name using information from the AOT file */
44 static MonoGetClassFromName get_class_from_name = NULL;
46 static MonoClass * mono_class_create_from_typedef (MonoImage *image, guint32 type_token);
47 static gboolean mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res);
49 void (*mono_debugger_class_init_func) (MonoClass *klass) = NULL;
50 void (*mono_debugger_class_loaded_methods_func) (MonoClass *klass) = NULL;
53 * mono_class_from_typeref:
55 * @type_token: a TypeRef token
57 * Creates the MonoClass* structure representing the type defined by
58 * the typeref token valid inside @image.
59 * Returns: the MonoClass* representing the typeref token, NULL ifcould
63 mono_class_from_typeref (MonoImage *image, guint32 type_token)
65 guint32 cols [MONO_TYPEREF_SIZE];
66 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
68 const char *name, *nspace;
72 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
74 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
75 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
77 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
78 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
79 case MONO_RESOLTION_SCOPE_MODULE:
81 g_error ("null ResolutionScope not yet handled");
82 /* a typedef in disguise */
83 return mono_class_from_name (image, nspace, name);
84 case MONO_RESOLTION_SCOPE_MODULEREF:
85 module = mono_image_load_module (image, idx);
87 return mono_class_from_name (module, nspace, name);
89 char *msg = g_strdup_printf ("%s%s%s", nspace, nspace [0] ? "." : "", name);
92 human_name = mono_stringify_assembly_name (&image->assembly->aname);
93 mono_loader_set_error_type_load (msg, human_name);
99 case MONO_RESOLTION_SCOPE_TYPEREF: {
100 MonoClass *enclosing = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | idx);
103 if (enclosing->inited) {
104 /* Micro-optimization: don't scan the metadata tables if enclosing is already inited */
105 for (tmp = enclosing->nested_classes; tmp; tmp = tmp->next) {
107 if (strcmp (res->name, name) == 0)
111 /* Don't call mono_class_init as we might've been called by it recursively */
112 int i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, 1);
114 guint32 class_nested = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, MONO_NESTED_CLASS_NESTED);
115 guint32 string_offset = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_TYPEDEF], class_nested - 1, MONO_TYPEDEF_NAME);
116 const char *nname = mono_metadata_string_heap (enclosing->image, string_offset);
118 if (strcmp (nname, name) == 0)
119 return mono_class_create_from_typedef (enclosing->image, MONO_TOKEN_TYPE_DEF | class_nested);
121 i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, i + 1);
124 g_warning ("TypeRef ResolutionScope not yet handled (%d)", idx);
127 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
131 if (!image->references || !image->references [idx - 1])
132 mono_assembly_load_reference (image, idx - 1);
133 g_assert (image->references [idx - 1]);
135 /* If the assembly did not load, register this as a type load exception */
136 if (image->references [idx - 1] == REFERENCE_MISSING){
137 MonoAssemblyName aname;
140 mono_assembly_get_assemblyref (image, idx - 1, &aname);
141 human_name = mono_stringify_assembly_name (&aname);
142 mono_loader_set_error_assembly_load (human_name, image->assembly->ref_only);
148 return mono_class_from_name (image->references [idx - 1]->image, nspace, name);
151 /* Copy everything mono_metadata_free_array free. */
153 mono_dup_array_type (MonoArrayType *a)
155 a = g_memdup (a, sizeof (MonoArrayType));
157 a->sizes = g_memdup (a->sizes, a->numsizes * sizeof (int));
159 a->lobounds = g_memdup (a->lobounds, a->numlobounds * sizeof (int));
163 /* Copy everything mono_metadata_free_method_signature free. */
165 mono_metadata_signature_deep_dup (MonoMethodSignature *sig)
169 sig = mono_metadata_signature_dup (sig);
171 sig->ret = mono_metadata_type_dup (NULL, sig->ret);
172 for (i = 0; i < sig->param_count; ++i)
173 sig->params [i] = mono_metadata_type_dup (NULL, sig->params [i]);
179 _mono_type_get_assembly_name (MonoClass *klass, GString *str)
181 MonoAssembly *ta = klass->image->assembly;
183 g_string_append_printf (
184 str, ", %s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
186 ta->aname.major, ta->aname.minor, ta->aname.build, ta->aname.revision,
187 ta->aname.culture && *ta->aname.culture? ta->aname.culture: "neutral",
188 ta->aname.public_key_token [0] ? (char *)ta->aname.public_key_token : "null",
189 (ta->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
193 mono_type_name_check_byref (MonoType *type, GString *str)
196 g_string_append_c (str, '&');
200 mono_type_get_name_recurse (MonoType *type, GString *str, gboolean is_recursed,
201 MonoTypeNameFormat format)
205 switch (type->type) {
206 case MONO_TYPE_ARRAY: {
207 int i, rank = type->data.array->rank;
208 MonoTypeNameFormat nested_format;
210 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
211 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
213 mono_type_get_name_recurse (
214 &type->data.array->eklass->byval_arg, str, FALSE, nested_format);
215 g_string_append_c (str, '[');
217 g_string_append_c (str, '*');
218 for (i = 1; i < rank; i++)
219 g_string_append_c (str, ',');
220 g_string_append_c (str, ']');
222 mono_type_name_check_byref (type, str);
224 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
225 _mono_type_get_assembly_name (type->data.array->eklass, str);
228 case MONO_TYPE_SZARRAY: {
229 MonoTypeNameFormat nested_format;
231 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
232 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
234 mono_type_get_name_recurse (
235 &type->data.klass->byval_arg, str, FALSE, nested_format);
236 g_string_append (str, "[]");
238 mono_type_name_check_byref (type, str);
240 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
241 _mono_type_get_assembly_name (type->data.klass, str);
244 case MONO_TYPE_PTR: {
245 MonoTypeNameFormat nested_format;
247 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
248 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
250 mono_type_get_name_recurse (
251 type->data.type, str, FALSE, nested_format);
252 g_string_append_c (str, '*');
254 mono_type_name_check_byref (type, str);
256 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
257 _mono_type_get_assembly_name (mono_class_from_mono_type (type->data.type), str);
262 g_assert (type->data.generic_param->name);
263 g_string_append (str, type->data.generic_param->name);
265 mono_type_name_check_byref (type, str);
269 klass = mono_class_from_mono_type (type);
270 if (klass->nested_in) {
271 mono_type_get_name_recurse (
272 &klass->nested_in->byval_arg, str, TRUE, format);
273 if (format == MONO_TYPE_NAME_FORMAT_IL)
274 g_string_append_c (str, '.');
276 g_string_append_c (str, '+');
277 } else if (*klass->name_space) {
278 g_string_append (str, klass->name_space);
279 g_string_append_c (str, '.');
281 if (format == MONO_TYPE_NAME_FORMAT_IL) {
282 char *s = strchr (klass->name, '`');
283 int len = s ? s - klass->name : strlen (klass->name);
285 g_string_append_len (str, klass->name, len);
287 g_string_append (str, klass->name);
290 if (klass->generic_class) {
291 MonoGenericClass *gclass = klass->generic_class;
292 MonoGenericInst *inst = gclass->context.class_inst;
293 MonoTypeNameFormat nested_format;
296 nested_format = format == MONO_TYPE_NAME_FORMAT_FULL_NAME ?
297 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED : format;
299 if (format == MONO_TYPE_NAME_FORMAT_IL)
300 g_string_append_c (str, '<');
302 g_string_append_c (str, '[');
303 for (i = 0; i < inst->type_argc; i++) {
304 MonoType *t = inst->type_argv [i];
307 g_string_append_c (str, ',');
308 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
309 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
310 g_string_append_c (str, '[');
311 mono_type_get_name_recurse (inst->type_argv [i], str, FALSE, nested_format);
312 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
313 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
314 g_string_append_c (str, ']');
316 if (format == MONO_TYPE_NAME_FORMAT_IL)
317 g_string_append_c (str, '>');
319 g_string_append_c (str, ']');
320 } else if (klass->generic_container &&
321 (format != MONO_TYPE_NAME_FORMAT_FULL_NAME) &&
322 (format != MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)) {
325 if (format == MONO_TYPE_NAME_FORMAT_IL)
326 g_string_append_c (str, '<');
328 g_string_append_c (str, '[');
329 for (i = 0; i < klass->generic_container->type_argc; i++) {
331 g_string_append_c (str, ',');
332 g_string_append (str, klass->generic_container->type_params [i].name);
334 if (format == MONO_TYPE_NAME_FORMAT_IL)
335 g_string_append_c (str, '>');
337 g_string_append_c (str, ']');
340 mono_type_name_check_byref (type, str);
342 if ((format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
343 (type->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
344 _mono_type_get_assembly_name (klass, str);
350 * mono_type_get_name:
352 * @format: the format for the return string.
355 * Returns: the string representation in a number of formats:
357 * if format is MONO_TYPE_NAME_FORMAT_REFLECTION, the return string is
358 * returned in the formatrequired by System.Reflection, this is the
359 * inverse of mono_reflection_parse_type ().
361 * if format is MONO_TYPE_NAME_FORMAT_IL, it returns a syntax that can
362 * be used by the IL assembler.
364 * if format is MONO_TYPE_NAME_FORMAT_FULL_NAME
366 * if format is MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
369 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format)
373 result = g_string_new ("");
375 mono_type_get_name_recurse (type, result, FALSE, format);
377 return g_string_free (result, FALSE);
381 * mono_type_get_full_name:
384 * Returns: the string representation for type as required by System.Reflection.
385 * The inverse of mono_reflection_parse_type ().
388 mono_type_get_full_name (MonoClass *class)
390 return mono_type_get_name_full (mono_class_get_type (class), MONO_TYPE_NAME_FORMAT_REFLECTION);
394 * mono_type_get_name:
397 * Returns: the string representation for type as it would be represented in IL code.
400 mono_type_get_name (MonoType *type)
402 return mono_type_get_name_full (type, MONO_TYPE_NAME_FORMAT_IL);
406 * mono_type_get_underlying_type:
409 * Returns: the MonoType for the underlying integer type if @type
410 * is an enum and byref is false, otherwise the type itself.
413 mono_type_get_underlying_type (MonoType *type)
415 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype && !type->byref)
416 return type->data.klass->enum_basetype;
417 if (type->type == MONO_TYPE_GENERICINST && type->data.generic_class->container_class->enumtype && !type->byref)
418 return type->data.generic_class->container_class->enum_basetype;
423 * mono_class_is_open_constructed_type:
426 * Returns TRUE if type represents a generics open constructed type
427 * (not all the type parameters required for the instantiation have
431 mono_class_is_open_constructed_type (MonoType *t)
437 case MONO_TYPE_SZARRAY:
438 return mono_class_is_open_constructed_type (&t->data.klass->byval_arg);
439 case MONO_TYPE_ARRAY:
440 return mono_class_is_open_constructed_type (&t->data.array->eklass->byval_arg);
442 return mono_class_is_open_constructed_type (t->data.type);
443 case MONO_TYPE_GENERICINST:
444 return t->data.generic_class->context.class_inst->is_open;
451 inflate_generic_type (MonoType *type, MonoGenericContext *context)
453 switch (type->type) {
454 case MONO_TYPE_MVAR: {
456 int num = type->data.generic_param->num;
457 MonoGenericInst *inst = context->method_inst;
458 if (!inst || !inst->type_argv)
460 if (num >= inst->type_argc)
461 g_error ("MVAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
464 * Note that the VAR/MVAR cases are different from the rest. The other cases duplicate @type,
465 * while the VAR/MVAR duplicates a type from the context. So, we need to ensure that the
466 * ->byref and ->attrs from @type are propagated to the returned type.
468 nt = mono_metadata_type_dup (NULL, inst->type_argv [num]);
469 nt->byref = type->byref;
470 nt->attrs = type->attrs;
473 case MONO_TYPE_VAR: {
475 int num = type->data.generic_param->num;
476 MonoGenericInst *inst = context->class_inst;
479 if (num >= inst->type_argc)
480 g_error ("VAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
481 nt = mono_metadata_type_dup (NULL, inst->type_argv [num]);
482 nt->byref = type->byref;
483 nt->attrs = type->attrs;
486 case MONO_TYPE_SZARRAY: {
487 MonoClass *eclass = type->data.klass;
488 MonoType *nt, *inflated = inflate_generic_type (&eclass->byval_arg, context);
491 nt = mono_metadata_type_dup (NULL, type);
492 nt->data.klass = mono_class_from_mono_type (inflated);
493 mono_metadata_free_type (inflated);
496 case MONO_TYPE_ARRAY: {
497 MonoClass *eclass = type->data.array->eklass;
498 MonoType *nt, *inflated = inflate_generic_type (&eclass->byval_arg, context);
501 nt = mono_metadata_type_dup (NULL, type);
502 nt->data.array = g_memdup (nt->data.array, sizeof (MonoArrayType));
503 nt->data.array->eklass = mono_class_from_mono_type (inflated);
504 mono_metadata_free_type (inflated);
507 case MONO_TYPE_GENERICINST: {
508 MonoGenericClass *gclass = type->data.generic_class;
509 MonoGenericInst *inst;
511 if (!gclass->context.class_inst->is_open)
514 inst = mono_metadata_inflate_generic_inst (gclass->context.class_inst, context);
515 if (inst != gclass->context.class_inst)
516 gclass = mono_metadata_lookup_generic_class (gclass->container_class, inst, gclass->is_dynamic);
518 if (gclass == type->data.generic_class)
521 nt = mono_metadata_type_dup (NULL, type);
522 nt->data.generic_class = gclass;
525 case MONO_TYPE_CLASS:
526 case MONO_TYPE_VALUETYPE: {
527 MonoClass *klass = type->data.klass;
528 MonoGenericContainer *container = klass->generic_container;
529 MonoGenericInst *inst;
530 MonoGenericClass *gclass = NULL;
536 /* We can't use context->class_inst directly, since it can have more elements */
537 inst = mono_metadata_inflate_generic_inst (container->context.class_inst, context);
538 if (inst == container->context.class_inst)
541 gclass = mono_metadata_lookup_generic_class (klass, inst, klass->image->dynamic);
543 nt = mono_metadata_type_dup (NULL, type);
544 nt->type = MONO_TYPE_GENERICINST;
545 nt->data.generic_class = gclass;
555 mono_generic_class_get_context (MonoGenericClass *gclass)
557 return &gclass->context;
561 mono_class_get_context (MonoClass *class)
563 return class->generic_class ? mono_generic_class_get_context (class->generic_class) : NULL;
567 * mono_class_inflate_generic_type:
569 * @context: a generics context
571 * Instantiate the generic type @type, using the generics context @context.
573 * Returns: the instantiated type. The returned MonoType is allocated on the heap and is
574 * owned by the caller.
577 mono_class_inflate_generic_type (MonoType *type, MonoGenericContext *context)
579 MonoType *inflated = inflate_generic_type (type, context);
582 return mono_metadata_type_dup (NULL, type);
584 mono_stats.inflated_type_count++;
588 static MonoGenericContext
589 inflate_generic_context (MonoGenericContext *context, MonoGenericContext *inflate_with)
591 MonoGenericInst *class_inst = NULL;
592 MonoGenericInst *method_inst = NULL;
593 MonoGenericContext res;
595 if (context->class_inst)
596 class_inst = mono_metadata_inflate_generic_inst (context->class_inst, inflate_with);
598 if (context->method_inst)
599 method_inst = mono_metadata_inflate_generic_inst (context->method_inst, inflate_with);
601 res.class_inst = class_inst;
602 res.method_inst = method_inst;
608 * mono_class_inflate_generic_method:
609 * @method: a generic method
610 * @context: a generics context
612 * Instantiate the generic method @method using the generics context @context.
614 * Returns: the new instantiated method
617 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericContext *context)
619 return mono_class_inflate_generic_method_full (method, NULL, context);
623 * mono_class_inflate_generic_method:
625 * Instantiate method @method with the generic context @context.
626 * BEWARE: All non-trivial fields are invalid, including klass, signature, and header.
627 * Use mono_method_signature () and mono_method_get_header () to get the correct values.
630 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context)
633 MonoMethodInflated *iresult, *cached;
634 MonoMethodSignature *sig;
635 MonoGenericContext tmp_context;
636 gboolean is_mb_open = FALSE;
638 /* The `method' has already been instantiated before => we need to peel out the instantiation and create a new context */
639 while (method->is_inflated) {
640 MonoGenericContext *method_context = mono_method_get_context (method);
641 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
643 tmp_context = inflate_generic_context (method_context, context);
644 context = &tmp_context;
646 if (mono_metadata_generic_context_equal (method_context, context))
649 method = imethod->declaring;
652 if (!method->generic_container && !method->klass->generic_container)
656 * The reason for this hack is to fix the behavior of inflating generic methods that come from a MethodBuilder.
657 * What happens is that instantiating a generic MethodBuilder with its own arguments should create a diferent object.
658 * This is opposite to the way non-SRE MethodInfos behave.
660 * FIXME: express this better, somehow!
662 is_mb_open = method->generic_container &&
663 method->klass->image->dynamic && !method->klass->wastypebuilder &&
664 context->method_inst == method->generic_container->context.method_inst;
666 mono_stats.inflated_method_count++;
667 iresult = g_new0 (MonoMethodInflated, 1);
668 iresult->context = *context;
669 iresult->declaring = method;
670 iresult->is_mb_open = is_mb_open;
672 if (!context->method_inst && method->generic_container)
673 iresult->context.method_inst = method->generic_container->context.method_inst;
676 cached = mono_method_inflated_lookup (iresult, FALSE);
678 mono_loader_unlock ();
680 return (MonoMethod*)cached;
683 sig = mono_method_signature (method);
685 memcpy (&iresult->method.pinvoke, method, sizeof (MonoMethodPInvoke));
687 memcpy (&iresult->method.normal, method, sizeof (MonoMethodNormal));
688 iresult->method.normal.header = NULL;
691 result = (MonoMethod *) iresult;
692 result->is_inflated = 1;
693 result->signature = NULL;
695 if (context->method_inst)
696 result->generic_container = NULL;
698 /* Due to the memcpy above, !context->method_inst => result->generic_container == method->generic_container */
700 if (!klass_hint || !klass_hint->generic_class ||
701 klass_hint->generic_class->container_class != method->klass ||
702 klass_hint->generic_class->context.class_inst != context->class_inst)
705 if (method->klass->generic_container)
706 result->klass = klass_hint;
708 if (!result->klass) {
709 MonoType *inflated = inflate_generic_type (&method->klass->byval_arg, context);
710 result->klass = inflated ? mono_class_from_mono_type (inflated) : method->klass;
712 mono_metadata_free_type (inflated);
715 mono_method_inflated_lookup (iresult, TRUE);
716 mono_loader_unlock ();
721 * mono_get_inflated_method:
723 * Obsolete. We keep it around since it's mentioned in the public API.
726 mono_get_inflated_method (MonoMethod *method)
732 mono_method_get_context (MonoMethod *method)
734 MonoMethodInflated *imethod;
735 if (!method->is_inflated)
737 imethod = (MonoMethodInflated *) method;
738 return &imethod->context;
742 * mono_class_find_enum_basetype:
743 * @class: The enum class
745 * Determine the basetype of an enum by iterating through its fields. We do this
746 * in a separate function since it is cheaper than calling mono_class_setup_fields.
749 mono_class_find_enum_basetype (MonoClass *class)
751 MonoImage *m = class->image;
752 const int top = class->field.count;
755 g_assert (class->enumtype);
758 * Fetch all the field information.
760 for (i = 0; i < top; i++){
762 guint32 cols [MONO_FIELD_SIZE];
763 int idx = class->field.first + i;
764 MonoGenericContainer *container = NULL;
767 /* class->field.first and idx points into the fieldptr table */
768 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
769 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
770 mono_metadata_decode_value (sig, &sig);
771 /* FIELD signature == 0x06 */
772 g_assert (*sig == 0x06);
773 if (class->generic_container)
774 container = class->generic_container;
775 else if (class->generic_class) {
776 MonoClass *gklass = class->generic_class->container_class;
778 container = gklass->generic_container;
779 g_assert (container);
781 ftype = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
784 if (class->generic_class) {
785 ftype = mono_class_inflate_generic_type (ftype, mono_class_get_context (class));
786 ftype->attrs = cols [MONO_FIELD_FLAGS];
789 if (class->enumtype && !(cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_STATIC))
797 * mono_class_setup_fields:
798 * @class: The class to initialize
800 * Initializes the class->fields.
801 * LOCKING: Assumes the loader lock is held.
804 mono_class_setup_fields (MonoClass *class)
806 MonoImage *m = class->image;
807 int top = class->field.count;
808 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
809 int i, blittable = TRUE;
810 guint32 real_size = 0;
811 guint32 packing_size = 0;
812 gboolean explicit_size;
813 MonoClassField *field;
814 MonoGenericContainer *container = NULL;
815 MonoClass *gklass = NULL;
817 if (class->size_inited)
820 if (class->generic_class) {
821 MonoClass *gklass = class->generic_class->container_class;
822 mono_class_setup_fields (gklass);
823 top = gklass->field.count;
824 class->field.count = gklass->field.count;
827 class->instance_size = 0;
829 class->sizes.class_size = 0;
832 /* For generic instances, class->parent might not have been initialized */
833 mono_class_init (class->parent);
834 if (!class->parent->size_inited)
835 mono_class_setup_fields (class->parent);
836 class->instance_size += class->parent->instance_size;
837 class->min_align = class->parent->min_align;
838 /* we use |= since it may have been set already */
839 class->has_references |= class->parent->has_references;
840 blittable = class->parent->blittable;
842 class->instance_size = sizeof (MonoObject);
843 class->min_align = 1;
846 /* Get the real size */
847 explicit_size = mono_metadata_packing_from_typedef (class->image, class->type_token, &packing_size, &real_size);
850 g_assert ((packing_size & 0xfffffff0) == 0);
851 class->packing_size = packing_size;
852 real_size += class->instance_size;
856 if (explicit_size && real_size) {
857 class->instance_size = MAX (real_size, class->instance_size);
859 class->size_inited = 1;
860 class->blittable = blittable;
864 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT)
867 /* Prevent infinite loops if the class references itself */
868 class->size_inited = 1;
870 class->fields = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClassField) * top);
872 if (class->generic_container) {
873 container = class->generic_container;
874 } else if (class->generic_class) {
875 gklass = class->generic_class->container_class;
876 container = gklass->generic_container;
877 g_assert (container);
879 mono_class_setup_fields (gklass);
883 * Fetch all the field information.
885 for (i = 0; i < top; i++){
886 int idx = class->field.first + i;
887 field = &class->fields [i];
889 field->parent = class;
891 if (class->generic_class) {
892 MonoClassField *gfield = &gklass->fields [i];
893 MonoInflatedField *ifield = g_new0 (MonoInflatedField, 1);
895 ifield->generic_type = gfield->type;
896 field->name = gfield->name;
897 field->generic_info = ifield;
898 field->type = mono_class_inflate_generic_type (gfield->type, mono_class_get_context (class));
899 field->type->attrs = gfield->type->attrs;
900 if (mono_field_is_deleted (field))
902 field->offset = gfield->offset;
903 field->data = gfield->data;
907 guint32 cols [MONO_FIELD_SIZE];
909 /* class->field.first and idx points into the fieldptr table */
910 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
911 /* The name is needed for fieldrefs */
912 field->name = mono_metadata_string_heap (m, cols [MONO_FIELD_NAME]);
913 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
914 mono_metadata_decode_value (sig, &sig);
915 /* FIELD signature == 0x06 */
916 g_assert (*sig == 0x06);
917 field->type = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
919 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
922 if (mono_field_is_deleted (field))
924 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
926 mono_metadata_field_info (m, idx, &offset, NULL, NULL);
927 field->offset = offset;
928 if (field->offset == (guint32)-1 && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
929 g_warning ("%s not initialized correctly (missing field layout info for %s)",
930 class->name, field->name);
933 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
934 mono_metadata_field_info (m, idx, NULL, &rva, NULL);
936 g_warning ("field %s in %s should have RVA data, but hasn't", field->name, class->name);
937 field->data = mono_image_rva_map (class->image, rva);
941 /* Only do these checks if we still think this type is blittable */
942 if (blittable && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
943 if (field->type->byref || MONO_TYPE_IS_REFERENCE (field->type)) {
946 MonoClass *field_class = mono_class_from_mono_type (field->type);
947 if (!field_class || !field_class->blittable)
952 if (class->enumtype && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
953 class->enum_basetype = field->type;
954 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
955 blittable = class->element_class->blittable;
958 /* The def_value of fields is compute lazily during vtable creation */
961 if (class == mono_defaults.string_class)
964 class->blittable = blittable;
966 if (class->enumtype && !class->enum_basetype) {
967 if (!((strcmp (class->name, "Enum") == 0) && (strcmp (class->name_space, "System") == 0)))
970 if (explicit_size && real_size) {
971 class->instance_size = MAX (real_size, class->instance_size);
974 if (class->exception_type)
976 mono_class_layout_fields (class);
980 * mono_class_setup_fields_locking:
981 * @class: The class to initialize
983 * Initializes the class->fields array of fields.
984 * Aquires the loader lock.
987 mono_class_setup_fields_locking (MonoClass *class)
990 mono_class_setup_fields (class);
991 mono_loader_unlock ();
995 * mono_class_has_references:
997 * Returns whenever @klass->has_references is set, initializing it if needed.
998 * Aquires the loader lock.
1001 mono_class_has_references (MonoClass *klass)
1003 if (klass->init_pending) {
1004 /* Be conservative */
1007 mono_class_init (klass);
1009 return klass->has_references;
1013 /* useful until we keep track of gc-references in corlib etc. */
1015 #define IS_GC_REFERENCE(t) FALSE
1017 #define IS_GC_REFERENCE(t) ((t)->type == MONO_TYPE_U && class->image == mono_defaults.corlib)
1021 * mono_type_get_basic_type_from_generic:
1024 * Returns a closed type corresponding to the possibly open type
1028 mono_type_get_basic_type_from_generic (MonoType *type)
1030 /* When we do generic sharing we let type variables stand for reference types. */
1031 if (!type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))
1032 return &mono_defaults.object_class->byval_arg;
1037 * mono_class_layout_fields:
1040 * Compute the placement of fields inside an object or struct, according to
1041 * the layout rules and set the following fields in @class:
1042 * - has_references (if the class contains instance references firled or structs that contain references)
1043 * - has_static_refs (same, but for static fields)
1044 * - instance_size (size of the object in memory)
1045 * - class_size (size needed for the static fields)
1046 * - size_inited (flag set when the instance_size is set)
1048 * LOCKING: this is supposed to be called with the loader lock held.
1051 mono_class_layout_fields (MonoClass *class)
1054 const int top = class->field.count;
1055 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1056 guint32 pass, passes, real_size;
1057 gboolean gc_aware_layout = FALSE;
1058 MonoClassField *field;
1061 * When we do generic sharing we need to have layout
1062 * information for open generic classes (either with a generic
1063 * context containing type variables or with a generic
1064 * container), so we don't return in that case anymore.
1068 * Enable GC aware auto layout: in this mode, reference
1069 * fields are grouped together inside objects, increasing collector
1071 * Requires that all classes whose layout is known to native code be annotated
1072 * with [StructLayout (LayoutKind.Sequential)]
1073 * Value types have gc_aware_layout disabled by default, as per
1074 * what the default is for other runtimes.
1076 /* corlib is missing [StructLayout] directives in many places */
1077 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1078 if (class->image != mono_defaults.corlib &&
1079 class->byval_arg.type != MONO_TYPE_VALUETYPE)
1080 gc_aware_layout = TRUE;
1081 /* from System.dll, used in metadata/process.h */
1082 if (strcmp (class->name, "ProcessStartInfo") == 0)
1083 gc_aware_layout = FALSE;
1086 /* Compute klass->has_references */
1088 * Process non-static fields first, since static fields might recursively
1089 * refer to the class itself.
1091 for (i = 0; i < top; i++) {
1094 field = &class->fields [i];
1096 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1097 ftype = mono_type_get_underlying_type (field->type);
1098 ftype = mono_type_get_basic_type_from_generic (ftype);
1099 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1100 class->has_references = TRUE;
1104 for (i = 0; i < top; i++) {
1107 field = &class->fields [i];
1109 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
1110 ftype = mono_type_get_underlying_type (field->type);
1111 ftype = mono_type_get_basic_type_from_generic (ftype);
1112 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1113 class->has_static_refs = TRUE;
1117 for (i = 0; i < top; i++) {
1120 field = &class->fields [i];
1122 ftype = mono_type_get_underlying_type (field->type);
1123 ftype = mono_type_get_basic_type_from_generic (ftype);
1124 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1125 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1126 class->has_static_refs = TRUE;
1128 class->has_references = TRUE;
1133 * Compute field layout and total size (not considering static fields)
1137 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
1138 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
1140 if (gc_aware_layout)
1145 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT)
1149 real_size = class->parent->instance_size;
1151 real_size = sizeof (MonoObject);
1153 for (pass = 0; pass < passes; ++pass) {
1154 for (i = 0; i < top; i++){
1159 field = &class->fields [i];
1161 if (mono_field_is_deleted (field))
1163 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1166 ftype = mono_type_get_underlying_type (field->type);
1167 ftype = mono_type_get_basic_type_from_generic (ftype);
1168 if (gc_aware_layout) {
1169 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1178 if ((top == 1) && (class->instance_size == sizeof (MonoObject)) &&
1179 (strcmp (field->name, "$PRIVATE$") == 0)) {
1180 /* This field is a hack inserted by MCS to empty structures */
1184 size = mono_type_size (field->type, &align);
1186 /* FIXME (LAMESPEC): should we also change the min alignment according to pack? */
1187 align = class->packing_size ? MIN (class->packing_size, align): align;
1188 /* if the field has managed references, we need to force-align it
1191 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1192 align = MAX (align, sizeof (gpointer));
1194 class->min_align = MAX (align, class->min_align);
1195 field->offset = real_size;
1196 field->offset += align - 1;
1197 field->offset &= ~(align - 1);
1198 real_size = field->offset + size;
1201 class->instance_size = MAX (real_size, class->instance_size);
1203 if (class->instance_size & (class->min_align - 1)) {
1204 class->instance_size += class->min_align - 1;
1205 class->instance_size &= ~(class->min_align - 1);
1209 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
1211 for (i = 0; i < top; i++) {
1216 field = &class->fields [i];
1219 * There must be info about all the fields in a type if it
1220 * uses explicit layout.
1223 if (mono_field_is_deleted (field))
1225 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1228 size = mono_type_size (field->type, &align);
1229 class->min_align = MAX (align, class->min_align);
1232 * When we get here, field->offset is already set by the
1233 * loader (for either runtime fields or fields loaded from metadata).
1234 * The offset is from the start of the object: this works for both
1235 * classes and valuetypes.
1237 field->offset += sizeof (MonoObject);
1238 ftype = mono_type_get_underlying_type (field->type);
1239 ftype = mono_type_get_basic_type_from_generic (ftype);
1240 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1241 if (field->offset % sizeof (gpointer)) {
1242 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1249 real_size = MAX (real_size, size + field->offset);
1251 class->instance_size = MAX (real_size, class->instance_size);
1255 #if NO_UNALIGNED_ACCESS
1256 if (layout != TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1258 * For small structs, set min_align to at least the struct size, since the
1259 * JIT memset/memcpy code assumes this and generates unaligned accesses
1260 * otherwise. See #78990 for a testcase.
1261 * FIXME: Fix the memset/memcpy code instead.
1263 if (class->instance_size <= sizeof (MonoObject) + sizeof (gpointer))
1264 class->min_align = MAX (class->min_align, class->instance_size - sizeof (MonoObject));
1268 class->size_inited = 1;
1271 * Compute static field layout and size
1273 for (i = 0; i < top; i++){
1277 field = &class->fields [i];
1279 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC) || field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
1281 if (mono_field_is_deleted (field))
1284 size = mono_type_size (field->type, &align);
1285 field->offset = class->sizes.class_size;
1286 field->offset += align - 1;
1287 field->offset &= ~(align - 1);
1288 class->sizes.class_size = field->offset + size;
1293 * mono_class_setup_methods:
1296 * Initializes the 'methods' array in the klass.
1297 * Calling this method should be avoided if possible since it allocates a lot
1298 * of long-living MonoMethod structures.
1299 * Methods belonging to an interface are assigned a sequential slot starting
1303 mono_class_setup_methods (MonoClass *class)
1306 MonoMethod **methods;
1311 mono_loader_lock ();
1313 if (class->methods) {
1314 mono_loader_unlock ();
1318 if (class->generic_class) {
1319 MonoClass *gklass = class->generic_class->container_class;
1321 mono_class_init (gklass);
1322 mono_class_setup_methods (gklass);
1324 /* The + 1 makes this always non-NULL to pass the check in mono_class_setup_methods () */
1325 class->method.count = gklass->method.count;
1326 methods = g_new0 (MonoMethod *, class->method.count + 1);
1328 for (i = 0; i < class->method.count; i++) {
1329 methods [i] = mono_class_inflate_generic_method_full (
1330 gklass->methods [i], class, mono_class_get_context (class));
1333 methods = mono_mempool_alloc (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
1334 for (i = 0; i < class->method.count; ++i) {
1335 int idx = mono_metadata_translate_token_index (class->image, MONO_TABLE_METHOD, class->method.first + i + 1);
1336 methods [i] = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | idx, class);
1337 if (class->valuetype && methods [i]->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED && !(methods [i]->flags & MONO_METHOD_ATTR_STATIC))
1338 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1342 if (MONO_CLASS_IS_INTERFACE (class))
1343 for (i = 0; i < class->method.count; ++i)
1344 methods [i]->slot = i;
1346 /* Leave this assignment as the last op in this function */
1347 class->methods = methods;
1349 if (mono_debugger_class_loaded_methods_func)
1350 mono_debugger_class_loaded_methods_func (class);
1352 mono_loader_unlock ();
1357 mono_class_setup_properties (MonoClass *class)
1359 guint startm, endm, i, j;
1360 guint32 cols [MONO_PROPERTY_SIZE];
1361 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1362 MonoProperty *properties;
1365 if (class->properties)
1368 mono_loader_lock ();
1370 if (class->properties) {
1371 mono_loader_unlock ();
1375 if (class->generic_class) {
1376 MonoClass *gklass = class->generic_class->container_class;
1378 class->property = gklass->property;
1380 mono_class_init (gklass);
1381 mono_class_setup_properties (gklass);
1383 properties = g_new0 (MonoProperty, class->property.count + 1);
1385 for (i = 0; i < class->property.count; i++) {
1386 MonoProperty *prop = &properties [i];
1388 *prop = gklass->properties [i];
1391 prop->get = mono_class_inflate_generic_method_full (
1392 prop->get, class, mono_class_get_context (class));
1394 prop->set = mono_class_inflate_generic_method_full (
1395 prop->set, class, mono_class_get_context (class));
1397 prop->parent = class;
1400 class->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1401 class->property.count = last - class->property.first;
1403 if (class->property.count)
1404 mono_class_setup_methods (class);
1406 properties = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoProperty) * class->property.count);
1407 for (i = class->property.first; i < last; ++i) {
1408 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1409 properties [i - class->property.first].parent = class;
1410 properties [i - class->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1411 properties [i - class->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1413 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1414 for (j = startm; j < endm; ++j) {
1417 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1419 if (class->image->uncompressed_metadata)
1420 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1421 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1423 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1425 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1426 case METHOD_SEMANTIC_SETTER:
1427 properties [i - class->property.first].set = method;
1429 case METHOD_SEMANTIC_GETTER:
1430 properties [i - class->property.first].get = method;
1439 /* Leave this assignment as the last op in the function */
1440 class->properties = properties;
1442 mono_loader_unlock ();
1446 inflate_method_listz (MonoMethod **methods, MonoClass *class, MonoGenericContext *context)
1448 MonoMethod **om, **retval;
1451 for (om = methods, count = 0; *om; ++om, ++count)
1454 retval = g_new0 (MonoMethod*, count + 1);
1456 for (om = methods, count = 0; *om; ++om, ++count)
1457 retval [count] = mono_class_inflate_generic_method_full (*om, class, context);
1463 mono_class_setup_events (MonoClass *class)
1465 guint startm, endm, i, j;
1466 guint32 cols [MONO_EVENT_SIZE];
1467 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1474 mono_loader_lock ();
1476 if (class->events) {
1477 mono_loader_unlock ();
1481 if (class->generic_class) {
1482 MonoClass *gklass = class->generic_class->container_class;
1483 MonoGenericContext *context;
1485 mono_class_setup_events (gklass);
1486 class->event = gklass->event;
1488 class->events = g_new0 (MonoEvent, class->event.count);
1490 if (class->event.count)
1491 context = mono_class_get_context (class);
1493 for (i = 0; i < class->event.count; i++) {
1494 MonoEvent *event = &class->events [i];
1495 MonoEvent *gevent = &gklass->events [i];
1497 event->parent = class;
1498 event->name = gevent->name;
1499 event->add = gevent->add ? mono_class_inflate_generic_method_full (gevent->add, class, context) : NULL;
1500 event->remove = gevent->remove ? mono_class_inflate_generic_method_full (gevent->remove, class, context) : NULL;
1501 event->raise = gevent->raise ? mono_class_inflate_generic_method_full (gevent->raise, class, context) : NULL;
1502 event->other = gevent->other ? inflate_method_listz (gevent->other, class, context) : NULL;
1503 event->attrs = gevent->attrs;
1506 mono_loader_unlock ();
1510 class->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1511 class->event.count = last - class->event.first;
1513 if (class->event.count)
1514 mono_class_setup_methods (class);
1516 events = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoEvent) * class->event.count);
1517 for (i = class->event.first; i < last; ++i) {
1518 MonoEvent *event = &events [i - class->event.first];
1520 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1521 event->parent = class;
1522 event->attrs = cols [MONO_EVENT_FLAGS];
1523 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
1525 startm = mono_metadata_methods_from_event (class->image, i, &endm);
1526 for (j = startm; j < endm; ++j) {
1529 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1531 if (class->image->uncompressed_metadata)
1532 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1533 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1535 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1537 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1538 case METHOD_SEMANTIC_ADD_ON:
1539 event->add = method;
1541 case METHOD_SEMANTIC_REMOVE_ON:
1542 event->remove = method;
1544 case METHOD_SEMANTIC_FIRE:
1545 event->raise = method;
1547 case METHOD_SEMANTIC_OTHER: {
1550 if (event->other == NULL) {
1551 event->other = g_new0 (MonoMethod*, 2);
1553 while (event->other [n])
1555 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
1557 event->other [n] = method;
1558 /* NULL terminated */
1559 event->other [n + 1] = NULL;
1567 /* Leave this assignment as the last op in the function */
1568 class->events = events;
1570 mono_loader_unlock ();
1574 * Global pool of interface IDs, represented as a bitset.
1575 * LOCKING: this is supposed to be accessed with the loader lock held.
1577 static MonoBitSet *global_interface_bitset = NULL;
1580 * mono_unload_interface_ids:
1581 * @bitset: bit set of interface IDs
1583 * When an image is unloaded, the interface IDs associated with
1584 * the image are put back in the global pool of IDs so the numbers
1588 mono_unload_interface_ids (MonoBitSet *bitset)
1590 mono_loader_lock ();
1591 mono_bitset_sub (global_interface_bitset, bitset);
1592 mono_loader_unlock ();
1596 * mono_get_unique_iid:
1599 * Assign a unique integer ID to the interface represented by @class.
1600 * The ID will positive and as small as possible.
1601 * LOCKING: this is supposed to be called with the loader lock held.
1602 * Returns: the new ID.
1605 mono_get_unique_iid (MonoClass *class)
1609 g_assert (MONO_CLASS_IS_INTERFACE (class));
1611 if (!global_interface_bitset) {
1612 global_interface_bitset = mono_bitset_new (128, 0);
1615 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
1617 int old_size = mono_bitset_size (global_interface_bitset);
1618 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
1619 mono_bitset_free (global_interface_bitset);
1620 global_interface_bitset = new_set;
1623 mono_bitset_set (global_interface_bitset, iid);
1624 /* set the bit also in the per-image set */
1625 if (class->image->interface_bitset) {
1626 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
1627 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
1628 mono_bitset_free (class->image->interface_bitset);
1629 class->image->interface_bitset = new_set;
1632 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
1634 mono_bitset_set (class->image->interface_bitset, iid);
1636 if (mono_print_vtable) {
1638 char *type_name = mono_type_full_name (&class->byval_arg);
1639 if (class->generic_class && !class->generic_class->context.class_inst->is_open) {
1640 generic_id = class->generic_class->context.class_inst->id;
1641 g_assert (generic_id != 0);
1645 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
1649 g_assert (iid <= 65535);
1654 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
1659 for (i = 0; i < klass->interface_count; i++) {
1660 ic = klass->interfaces [i];
1663 *res = g_ptr_array_new ();
1664 g_ptr_array_add (*res, ic);
1665 mono_class_init (ic);
1667 collect_implemented_interfaces_aux (ic, res);
1672 mono_class_get_implemented_interfaces (MonoClass *klass)
1674 GPtrArray *res = NULL;
1676 collect_implemented_interfaces_aux (klass, &res);
1680 typedef struct _IOffsetInfo IOffsetInfo;
1681 struct _IOffsetInfo {
1685 int data [MONO_ZERO_LEN_ARRAY];
1688 static IOffsetInfo *cached_offset_info = NULL;
1689 static int next_offset_info_size = 128;
1692 cache_interface_offsets (int max_iid, int *data)
1694 IOffsetInfo *cached_info;
1697 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1698 cached = cached_info->data;
1699 while (cached < cached_info->data + cached_info->size && *cached) {
1700 if (*cached == max_iid) {
1701 int i, matched = TRUE;
1703 for (i = 0; i < max_iid; ++i) {
1704 if (cached [i] != data [i]) {
1713 cached += *cached + 1;
1717 /* find a free slot */
1718 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1719 if (cached_info->size - cached_info->next_free >= max_iid + 1) {
1720 cached = &cached_info->data [cached_info->next_free];
1721 *cached++ = max_iid;
1722 memcpy (cached, data, max_iid * sizeof (int));
1723 cached_info->next_free += max_iid + 1;
1727 /* allocate a new chunk */
1728 if (max_iid + 1 < next_offset_info_size) {
1729 new_size = next_offset_info_size;
1730 if (next_offset_info_size < 4096)
1731 next_offset_info_size += next_offset_info_size >> 2;
1733 new_size = max_iid + 1;
1735 cached_info = g_malloc0 (sizeof (IOffsetInfo) + sizeof (int) * new_size);
1736 cached_info->size = new_size;
1737 /*g_print ("allocated %d offset entries at %p (total: %d)\n", new_size, cached_info->data, offset_info_total_size);*/
1738 cached = &cached_info->data [0];
1739 *cached++ = max_iid;
1740 memcpy (cached, data, max_iid * sizeof (int));
1741 cached_info->next_free += max_iid + 1;
1742 cached_info->next = cached_offset_info;
1743 cached_offset_info = cached_info;
1748 compare_interface_ids (const void *p_key, const void *p_element) {
1749 const MonoClass *key = p_key;
1750 const MonoClass *element = *(MonoClass**) p_element;
1752 return (key->interface_id - element->interface_id);
1756 mono_class_interface_offset (MonoClass *klass, MonoClass *itf) {
1757 MonoClass **result = bsearch (
1759 klass->interfaces_packed,
1760 klass->interface_offsets_count,
1761 sizeof (MonoClass *),
1762 compare_interface_ids);
1764 return klass->interface_offsets_packed [result - (klass->interfaces_packed)];
1771 print_implemented_interfaces (MonoClass *klass) {
1772 GPtrArray *ifaces = NULL;
1774 int ancestor_level = 0;
1776 printf ("Packed interface table for class %s has size %d\n", klass->name, klass->interface_offsets_count);
1777 for (i = 0; i < klass->interface_offsets_count; i++)
1778 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
1779 klass->interfaces_packed [i]->interface_id,
1780 klass->interface_offsets_packed [i],
1781 klass->interfaces_packed [i]->method.count,
1782 klass->interfaces_packed [i]->name_space,
1783 klass->interfaces_packed [i]->name );
1784 printf ("Interface flags: ");
1785 for (i = 0; i <= klass->max_interface_id; i++)
1786 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, i))
1787 printf ("(%d,T)", i);
1789 printf ("(%d,F)", i);
1791 printf ("Dump interface flags:");
1792 for (i = 0; i < ((((klass->max_interface_id + 1) >> 3)) + (((klass->max_interface_id + 1) & 7)? 1 :0)); i++)
1793 printf (" %02X", klass->interface_bitmap [i]);
1795 while (klass != NULL) {
1796 printf ("[LEVEL %d] Implemented interfaces by class %s:\n", ancestor_level, klass->name);
1797 ifaces = mono_class_get_implemented_interfaces (klass);
1799 for (i = 0; i < ifaces->len; i++) {
1800 MonoClass *ic = g_ptr_array_index (ifaces, i);
1801 printf (" [UIID %d] interface %s\n", ic->interface_id, ic->name);
1802 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
1804 mono_class_interface_offset (klass, ic),
1809 g_ptr_array_free (ifaces, TRUE);
1812 klass = klass->parent;
1816 /* this won't be needed once bug #325495 is completely fixed
1817 * though we'll need something similar to know which interfaces to allow
1818 * in arrays when they'll be lazyly created
1821 get_implicit_generic_array_interfaces (MonoClass *class, int *num, int *is_enumerator)
1823 MonoClass *eclass = class->element_class;
1824 static MonoClass* generic_icollection_class = NULL;
1825 static MonoClass* generic_ienumerable_class = NULL;
1826 static MonoClass* generic_ienumerator_class = NULL;
1827 MonoClass *fclass = NULL;
1828 MonoClass **interfaces = NULL;
1829 int i, interface_count, real_count;
1831 gboolean internal_enumerator;
1832 gboolean eclass_is_valuetype;
1834 if (!mono_defaults.generic_ilist_class) {
1838 internal_enumerator = FALSE;
1839 eclass_is_valuetype = FALSE;
1840 if (class->byval_arg.type != MONO_TYPE_SZARRAY) {
1841 if (class->generic_class && class->nested_in == mono_defaults.array_class && strcmp (class->name, "InternalEnumerator`1") == 0) {
1843 * For a Enumerator<T[]> we need to get the list of interfaces for T.
1845 eclass = mono_class_from_mono_type (class->generic_class->context.class_inst->type_argv [0]);
1846 eclass = eclass->element_class;
1847 internal_enumerator = TRUE;
1848 *is_enumerator = TRUE;
1856 * with this non-lazy impl we can't implement all the interfaces so we do just the minimal stuff
1857 * for deep levels of arrays of arrays (string[][] has all the interfaces, string[][][] doesn't)
1859 all_interfaces = eclass->rank && eclass->element_class->rank? FALSE: TRUE;
1861 if (!generic_icollection_class) {
1862 generic_icollection_class = mono_class_from_name (mono_defaults.corlib,
1863 "System.Collections.Generic", "ICollection`1");
1864 generic_ienumerable_class = mono_class_from_name (mono_defaults.corlib,
1865 "System.Collections.Generic", "IEnumerable`1");
1866 generic_ienumerator_class = mono_class_from_name (mono_defaults.corlib,
1867 "System.Collections.Generic", "IEnumerator`1");
1871 * Arrays in 2.0 need to implement a number of generic interfaces
1872 * (IList`1, ICollection`1, IEnumerable`1 for a number of types depending
1873 * on the element class). We collect the types needed to build the
1874 * instantiations in interfaces at intervals of 3, because 3 are
1875 * the generic interfaces needed to implement.
1877 if (eclass->valuetype) {
1878 if (eclass == mono_defaults.int16_class)
1879 fclass = mono_defaults.uint16_class;
1880 else if (eclass == mono_defaults.uint16_class)
1881 fclass = mono_defaults.int16_class;
1882 else if (eclass == mono_defaults.int32_class)
1883 fclass = mono_defaults.uint32_class;
1884 else if (eclass == mono_defaults.uint32_class)
1885 fclass = mono_defaults.int32_class;
1886 else if (eclass == mono_defaults.int64_class)
1887 fclass = mono_defaults.uint64_class;
1888 else if (eclass == mono_defaults.uint64_class)
1889 fclass = mono_defaults.int64_class;
1890 else if (eclass == mono_defaults.byte_class)
1891 fclass = mono_defaults.sbyte_class;
1892 else if (eclass == mono_defaults.sbyte_class)
1893 fclass = mono_defaults.byte_class;
1895 /* No additional interfaces for other value types */
1900 /* IList, ICollection, IEnumerable */
1901 real_count = interface_count = 3;
1902 interfaces = g_malloc0 (sizeof (MonoClass*) * interface_count);
1903 interfaces [0] = fclass;
1904 eclass_is_valuetype = TRUE;
1907 int idepth = eclass->idepth;
1908 if (!internal_enumerator)
1910 interface_count = all_interfaces? eclass->interface_offsets_count: eclass->interface_count;
1911 /* we add object for interfaces and the supertypes for the other
1912 * types. The last of the supertypes is the element class itself which we
1913 * already created the explicit interfaces for (so we include it for IEnumerator
1914 * and exclude it for arrays).
1916 if (MONO_CLASS_IS_INTERFACE (eclass))
1919 interface_count += idepth;
1920 /* IList, ICollection, IEnumerable */
1921 interface_count *= 3;
1922 real_count = interface_count;
1923 if (internal_enumerator)
1924 real_count += idepth + eclass->interface_offsets_count;
1925 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
1926 if (MONO_CLASS_IS_INTERFACE (eclass)) {
1927 interfaces [0] = mono_defaults.object_class;
1931 for (i = 0; i < idepth; i++) {
1932 mono_class_init (eclass->supertypes [i]);
1933 interfaces [j] = eclass->supertypes [i];
1937 if (all_interfaces) {
1938 for (i = 0; i < eclass->interface_offsets_count; i++) {
1939 interfaces [j] = eclass->interfaces_packed [i];
1943 for (i = 0; i < eclass->interface_count; i++) {
1944 interfaces [j] = eclass->interfaces [i];
1950 /* instantiate the generic interfaces */
1951 for (i = 0; i < interface_count; i += 3) {
1953 MonoClass *iface = interfaces [i];
1955 args [0] = &iface->byval_arg;
1956 interfaces [i] = mono_class_bind_generic_parameters (
1957 mono_defaults.generic_ilist_class, 1, args, FALSE);
1958 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));
1959 args [0] = &iface->byval_arg;
1960 interfaces [i + 1] = mono_class_bind_generic_parameters (
1961 generic_icollection_class, 1, args, FALSE);
1962 args [0] = &iface->byval_arg;
1963 interfaces [i + 2] = mono_class_bind_generic_parameters (
1964 generic_ienumerable_class, 1, args, FALSE);
1965 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 1]->byval_arg, 0));
1966 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 2]->byval_arg, 0));
1968 if (internal_enumerator) {
1970 /* instantiate IEnumerator<iface> */
1971 for (i = 0; i < interface_count; i++) {
1973 MonoClass *iface = interfaces [i];
1975 args [0] = &iface->byval_arg;
1976 interfaces [i] = mono_class_bind_generic_parameters (
1977 generic_ienumerator_class, 1, args, FALSE);
1978 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
1980 if (!eclass_is_valuetype) {
1981 j = interface_count;
1982 for (i = 0; i < eclass->idepth; i++) {
1984 args [0] = &eclass->supertypes [i]->byval_arg;
1985 interfaces [j] = mono_class_bind_generic_parameters (
1986 generic_ienumerator_class, 1, args, FALSE);
1987 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
1990 for (i = 0; i < eclass->interface_offsets_count; i++) {
1991 MonoClass *iface = eclass->interfaces_packed [i];
1993 args [0] = &iface->byval_arg;
1994 interfaces [j] = mono_class_bind_generic_parameters (
1995 generic_ienumerator_class, 1, args, FALSE);
1996 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
2006 * LOCKING: this is supposed to be called with the loader lock held.
2009 setup_interface_offsets (MonoClass *class, int cur_slot)
2013 MonoClass **interfaces_full;
2014 int *interface_offsets_full;
2016 int interface_offsets_count;
2017 MonoClass **array_interfaces;
2018 int num_array_interfaces;
2019 int is_enumerator = FALSE;
2022 * get the implicit generic interfaces for either the arrays or for System.Array/InternalEnumerator<T>
2023 * implicit innterfaces have the property that they are assigned the same slot in the vtables
2024 * for compatible interfaces
2026 array_interfaces = get_implicit_generic_array_interfaces (class, &num_array_interfaces, &is_enumerator);
2028 /* compute maximum number of slots and maximum interface id */
2030 for (k = class; k ; k = k->parent) {
2031 for (i = 0; i < k->interface_count; i++) {
2032 ic = k->interfaces [i];
2035 mono_class_init (ic);
2037 if (max_iid < ic->interface_id)
2038 max_iid = ic->interface_id;
2040 ifaces = mono_class_get_implemented_interfaces (k);
2042 for (i = 0; i < ifaces->len; ++i) {
2043 ic = g_ptr_array_index (ifaces, i);
2044 if (max_iid < ic->interface_id)
2045 max_iid = ic->interface_id;
2047 g_ptr_array_free (ifaces, TRUE);
2050 for (i = 0; i < num_array_interfaces; ++i) {
2051 ic = array_interfaces [i];
2052 mono_class_init (ic);
2053 if (max_iid < ic->interface_id)
2054 max_iid = ic->interface_id;
2057 if (MONO_CLASS_IS_INTERFACE (class)) {
2058 if (max_iid < class->interface_id)
2059 max_iid = class->interface_id;
2061 class->max_interface_id = max_iid;
2062 /* compute vtable offset for interfaces */
2063 interfaces_full = g_malloc (sizeof (MonoClass*) * (max_iid + 1));
2064 interface_offsets_full = g_malloc (sizeof (int) * (max_iid + 1));
2066 for (i = 0; i <= max_iid; i++) {
2067 interfaces_full [i] = NULL;
2068 interface_offsets_full [i] = -1;
2071 ifaces = mono_class_get_implemented_interfaces (class);
2073 for (i = 0; i < ifaces->len; ++i) {
2074 ic = g_ptr_array_index (ifaces, i);
2075 interfaces_full [ic->interface_id] = ic;
2076 interface_offsets_full [ic->interface_id] = cur_slot;
2077 cur_slot += ic->method.count;
2079 g_ptr_array_free (ifaces, TRUE);
2082 for (k = class->parent; k ; k = k->parent) {
2083 ifaces = mono_class_get_implemented_interfaces (k);
2085 for (i = 0; i < ifaces->len; ++i) {
2086 ic = g_ptr_array_index (ifaces, i);
2088 if (interface_offsets_full [ic->interface_id] == -1) {
2089 int io = mono_class_interface_offset (k, ic);
2093 interfaces_full [ic->interface_id] = ic;
2094 interface_offsets_full [ic->interface_id] = io;
2097 g_ptr_array_free (ifaces, TRUE);
2101 if (MONO_CLASS_IS_INTERFACE (class)) {
2102 interfaces_full [class->interface_id] = class;
2103 interface_offsets_full [class->interface_id] = cur_slot;
2106 if (num_array_interfaces) {
2107 if (is_enumerator) {
2108 int ienumerator_offset;
2109 g_assert (strcmp (class->interfaces [0]->name, "IEnumerator`1") == 0);
2110 ienumerator_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2111 for (i = 0; i < num_array_interfaces; ++i) {
2112 ic = array_interfaces [i];
2113 interfaces_full [ic->interface_id] = ic;
2114 if (strcmp (ic->name, "IEnumerator`1") == 0)
2115 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2117 g_assert_not_reached ();
2118 /*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);*/
2121 int ilist_offset, icollection_offset, ienumerable_offset;
2122 g_assert (strcmp (class->interfaces [0]->name, "IList`1") == 0);
2123 g_assert (strcmp (class->interfaces [0]->interfaces [0]->name, "ICollection`1") == 0);
2124 g_assert (strcmp (class->interfaces [0]->interfaces [1]->name, "IEnumerable`1") == 0);
2125 ilist_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2126 icollection_offset = interface_offsets_full [class->interfaces [0]->interfaces [0]->interface_id];
2127 ienumerable_offset = interface_offsets_full [class->interfaces [0]->interfaces [1]->interface_id];
2128 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2129 for (i = 0; i < num_array_interfaces; ++i) {
2130 ic = array_interfaces [i];
2131 interfaces_full [ic->interface_id] = ic;
2132 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2133 interface_offsets_full [ic->interface_id] = ilist_offset;
2134 else if (strcmp (ic->name, "ICollection`1") == 0)
2135 interface_offsets_full [ic->interface_id] = icollection_offset;
2136 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2137 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2139 g_assert_not_reached ();
2140 /*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);*/
2145 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2146 if (interface_offsets_full [i] != -1) {
2147 interface_offsets_count ++;
2150 class->interface_offsets_count = interface_offsets_count;
2151 class->interfaces_packed = mono_mempool_alloc (class->image->mempool, sizeof (MonoClass*) * interface_offsets_count);
2152 class->interface_offsets_packed = mono_mempool_alloc (class->image->mempool, sizeof (int) * interface_offsets_count);
2153 class->interface_bitmap = mono_mempool_alloc0 (class->image->mempool, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2154 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2155 if (interface_offsets_full [i] != -1) {
2156 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2157 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2158 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2159 /*if (num_array_interfaces)
2160 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]);*/
2161 interface_offsets_count ++;
2165 g_free (interfaces_full);
2166 g_free (interface_offsets_full);
2167 g_free (array_interfaces);
2169 //printf ("JUST DONE: ");
2170 //print_implemented_interfaces (class);
2176 * Setup interface offsets for interfaces. Used by Ref.Emit.
2179 mono_class_setup_interface_offsets (MonoClass *class)
2181 mono_loader_lock ();
2183 setup_interface_offsets (class, 0);
2185 mono_loader_unlock ();
2189 mono_class_setup_vtable (MonoClass *class)
2191 MonoMethod **overrides;
2192 MonoGenericContext *context;
2201 mono_class_setup_methods (class);
2203 if (MONO_CLASS_IS_INTERFACE (class))
2206 mono_loader_lock ();
2208 if (class->vtable) {
2209 mono_loader_unlock ();
2213 mono_stats.generic_vtable_count ++;
2215 if (class->generic_class) {
2216 context = mono_class_get_context (class);
2217 type_token = class->generic_class->container_class->type_token;
2219 context = (MonoGenericContext *) class->generic_container;
2220 type_token = class->type_token;
2223 if (class->image->dynamic) {
2224 if (class->generic_class) {
2225 MonoClass *gklass = class->generic_class->container_class;
2227 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2228 for (i = 0; i < onum; ++i) {
2229 MonoMethod *override = overrides [(i * 2) + 1];
2230 MonoMethod *inflated = NULL;
2233 for (j = 0; j < class->method.count; ++j) {
2234 if (gklass->methods [j] == override) {
2235 inflated = class->methods [j];
2239 g_assert (inflated);
2241 overrides [(i * 2) + 1] = inflated;
2244 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2247 /* The following call fails if there are missing methods in the type */
2248 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2252 mono_class_setup_vtable_general (class, overrides, onum);
2256 mono_loader_unlock ();
2262 check_core_clr_override_method (MonoClass *class, MonoMethod *override, MonoMethod *base)
2264 MonoSecurityCoreCLRLevel override_level = mono_security_core_clr_method_level (override, FALSE);
2265 MonoSecurityCoreCLRLevel base_level = mono_security_core_clr_method_level (base, FALSE);
2267 if (override_level != base_level && base_level == MONO_SECURITY_CORE_CLR_CRITICAL) {
2268 class->exception_type = MONO_EXCEPTION_TYPE_LOAD;
2269 class->exception_data = NULL;
2274 static int __use_new_interface_vtable_code = -1;
2276 use_new_interface_vtable_code (void) {
2277 if (__use_new_interface_vtable_code == -1) {
2278 char *env_var = getenv ("MONO_USE_NEW_INTERFACE_VTABLE_CODE");
2279 if (env_var == NULL) {
2280 __use_new_interface_vtable_code = TRUE;
2282 if ((strcmp (env_var, "0") == 0) || (strcmp (env_var, "false") == 0) || (strcmp (env_var, "FALSE") == 0)) {
2283 __use_new_interface_vtable_code = FALSE;
2285 __use_new_interface_vtable_code = TRUE;
2289 return __use_new_interface_vtable_code;
2293 #define DEBUG_INTERFACE_VTABLE_CODE 0
2294 #define TRACE_INTERFACE_VTABLE_CODE 0
2296 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2297 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2301 #define DEBUG_INTERFACE_VTABLE(stmt)
2304 #if TRACE_INTERFACE_VTABLE_CODE
2305 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2309 #define TRACE_INTERFACE_VTABLE(stmt)
2313 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2315 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2319 GString *res = g_string_new ("");
2321 g_string_append_c (res, '(');
2322 for (i = 0; i < sig->param_count; ++i) {
2324 g_string_append_c (res, ',');
2325 mono_type_get_desc (res, sig->params [i], include_namespace);
2327 g_string_append (res, ")=>");
2328 if (sig->ret != NULL) {
2329 mono_type_get_desc (res, sig->ret, include_namespace);
2331 g_string_append (res, "NULL");
2334 g_string_free (res, FALSE);
2338 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2339 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2340 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2341 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2349 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) {
2350 if (strcmp (im->name, cm->name) == 0) {
2351 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2352 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2355 if (! slot_is_empty) {
2356 if (require_newslot) {
2357 if (! interface_is_explicitly_implemented_by_class) {
2358 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2361 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2362 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2366 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2369 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2370 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2371 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2372 TRACE_INTERFACE_VTABLE (printf ("]"));
2375 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2376 /* CAS - SecurityAction.InheritanceDemand on interface */
2377 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2378 mono_secman_inheritancedemand_method (cm, im);
2381 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2382 check_core_clr_override_method (class, cm, im);
2383 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2386 MonoClass *ic = im->klass;
2387 const char *ic_name_space = ic->name_space;
2388 const char *ic_name = ic->name;
2391 if (! require_newslot) {
2392 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2395 if (cm->klass->rank == 0) {
2396 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2399 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2400 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2401 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2402 TRACE_INTERFACE_VTABLE (printf ("]"));
2405 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2406 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2409 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2410 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2413 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2414 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2418 subname = strstr (cm->name, ic_name_space);
2419 if (subname != cm->name) {
2420 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2423 subname += strlen (ic_name_space);
2424 if (subname [0] != '.') {
2425 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2429 if (strstr (subname, ic_name) != subname) {
2430 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2433 subname += strlen (ic_name);
2434 if (subname [0] != '.') {
2435 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2439 if (strcmp (subname, im->name) != 0) {
2440 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2444 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2445 /* CAS - SecurityAction.InheritanceDemand on interface */
2446 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2447 mono_secman_inheritancedemand_method (cm, im);
2450 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2451 check_core_clr_override_method (class, cm, im);
2453 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2458 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2460 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2461 MonoMethod *method = key;
2462 MonoMethod *override = value;
2463 MonoClass *method_class = mono_method_get_class (method);
2464 MonoClass *override_class = mono_method_get_class (override);
2466 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2467 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2468 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2471 print_overrides (GHashTable *override_map, const char *message) {
2473 printf ("Override map \"%s\" START:\n", message);
2474 g_hash_table_foreach (override_map, foreach_override, NULL);
2475 printf ("Override map \"%s\" END.\n", message);
2477 printf ("Override map \"%s\" EMPTY.\n", message);
2481 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2482 char *full_name = mono_type_full_name (&class->byval_arg);
2486 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2488 if (print_interfaces) {
2489 print_implemented_interfaces (class);
2490 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2493 if (class->parent) {
2494 parent_size = class->parent->vtable_size;
2498 for (i = 0; i < size; ++i) {
2499 MonoMethod *cm = vtable [i];
2501 char *cm_name = mono_method_full_name (cm, TRUE);
2502 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2503 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
2513 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
2515 char *method_signature;
2517 for (index = 0; index < onum; ++index) {
2518 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
2519 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
2521 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
2522 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2523 mono_type_get_name (&ic->byval_arg), im->name, method_signature, class->name_space, class->name);
2524 g_free (method_signature);
2525 for (index = 0; index < class->method.count; ++index) {
2526 MonoMethod *cm = class->methods [index];
2527 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2529 printf ("METHOD %s(%s)\n", cm->name, method_signature);
2530 g_free (method_signature);
2535 * LOCKING: this is supposed to be called with the loader lock held.
2538 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
2541 MonoMethod **vtable;
2542 int i, max_vtsize = 0, max_iid, cur_slot = 0;
2543 GPtrArray *ifaces, *pifaces = NULL;
2544 GHashTable *override_map = NULL;
2545 gboolean security_enabled = mono_is_security_manager_active ();
2546 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
2547 int first_non_interface_slot;
2553 ifaces = mono_class_get_implemented_interfaces (class);
2555 for (i = 0; i < ifaces->len; i++) {
2556 MonoClass *ic = g_ptr_array_index (ifaces, i);
2557 max_vtsize += ic->method.count;
2559 g_ptr_array_free (ifaces, TRUE);
2563 if (class->parent) {
2564 mono_class_init (class->parent);
2565 mono_class_setup_vtable (class->parent);
2566 max_vtsize += class->parent->vtable_size;
2567 cur_slot = class->parent->vtable_size;
2570 max_vtsize += class->method.count;
2572 vtable = alloca (sizeof (gpointer) * max_vtsize);
2573 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
2575 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
2577 cur_slot = setup_interface_offsets (class, cur_slot);
2578 max_iid = class->max_interface_id;
2579 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
2581 if (use_new_interface_vtable_code ()) {
2582 if (class->parent && class->parent->vtable_size) {
2583 MonoClass *parent = class->parent;
2586 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
2588 // Also inherit parent interface vtables, just as a starting point.
2589 // This is needed otherwise bug-77127.exe fails when the property methods
2590 // have different names in the iterface and the class, because for child
2591 // classes the ".override" information is not used anymore.
2592 for (i = 0; i < parent->interface_offsets_count; i++) {
2593 MonoClass *parent_interface = parent->interfaces_packed [i];
2594 int interface_offset = mono_class_interface_offset (class, parent_interface);
2596 if (interface_offset >= parent->vtable_size) {
2597 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
2600 mono_class_setup_methods (parent_interface);
2601 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
2602 for (j = 0; j < parent_interface->method.count; j++) {
2603 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
2604 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
2605 parent_interface_offset + j, parent_interface_offset, j,
2606 interface_offset + j, interface_offset, j));
2613 if (class->parent && class->parent->vtable_size)
2614 memcpy (vtable, class->parent->vtable, sizeof (gpointer) * class->parent->vtable_size);
2617 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
2618 /* override interface methods */
2619 for (i = 0; i < onum; i++) {
2620 MonoMethod *decl = overrides [i*2];
2621 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
2623 mono_class_setup_methods (decl->klass);
2624 g_assert (decl->slot != -1);
2625 dslot = decl->slot + mono_class_interface_offset (class, decl->klass);
2626 vtable [dslot] = overrides [i*2 + 1];
2627 vtable [dslot]->slot = dslot;
2629 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
2631 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
2633 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2634 check_core_clr_override_method (class, vtable [dslot], decl);
2637 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
2638 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
2640 if (use_new_interface_vtable_code ()) {
2641 // Loop on all implemented interfaces...
2642 for (i = 0; i < class->interface_offsets_count; i++) {
2643 MonoClass *parent = class->parent;
2645 gboolean interface_is_explicitly_implemented_by_class;
2648 ic = class->interfaces_packed [i];
2649 ic_offset = mono_class_interface_offset (class, ic);
2651 mono_class_setup_methods (ic);
2653 // Check if this interface is explicitly implemented (instead of just inherited)
2654 if (parent != NULL) {
2655 int implemented_interfaces_index;
2656 interface_is_explicitly_implemented_by_class = FALSE;
2657 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
2658 if (ic == class->interfaces [implemented_interfaces_index]) {
2659 interface_is_explicitly_implemented_by_class = TRUE;
2664 interface_is_explicitly_implemented_by_class = TRUE;
2667 // Loop on all interface methods...
2668 for (im_index = 0; im_index < ic->method.count; im_index++) {
2669 MonoMethod *im = ic->methods [im_index];
2670 int im_slot = ic_offset + im->slot;
2671 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
2673 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2676 // If there is an explicit implementation, just use it right away,
2677 // otherwise look for a matching method
2678 if (override_im == NULL) {
2681 // First look for a suitable method among the class methods
2682 for (cm_index = 0; cm_index < class->method.count; cm_index++) {
2683 MonoMethod *cm = class->methods [cm_index];
2685 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)));
2686 if ((cm->flags & METHOD_ATTRIBUTE_VIRTUAL) && check_interface_method_override (class, im, cm, TRUE, interface_is_explicitly_implemented_by_class, (vtable [im_slot] == NULL), security_enabled)) {
2687 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
2688 vtable [im_slot] = cm;
2689 /* Why do we need this? */
2694 TRACE_INTERFACE_VTABLE (printf ("\n"));
2697 // If the slot is still empty, look in all the inherited virtual methods...
2698 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
2699 MonoClass *parent = class->parent;
2700 // Reverse order, so that last added methods are preferred
2701 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
2702 MonoMethod *cm = parent->vtable [cm_index];
2704 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));
2705 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
2706 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
2707 vtable [im_slot] = cm;
2708 /* Why do we need this? */
2714 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
2718 g_assert (vtable [im_slot] == override_im);
2723 // If the class is not abstract, check that all its interface slots are full.
2724 // The check is done here and not directly at the end of the loop above because
2725 // it can happen (for injected generic array interfaces) that the same slot is
2726 // processed multiple times (those interfaces have overlapping slots), and it
2727 // will not always be the first pass the one that fills the slot.
2728 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2729 for (i = 0; i < class->interface_offsets_count; i++) {
2733 ic = class->interfaces_packed [i];
2734 ic_offset = mono_class_interface_offset (class, ic);
2736 for (im_index = 0; im_index < ic->method.count; im_index++) {
2737 MonoMethod *im = ic->methods [im_index];
2738 int im_slot = ic_offset + im->slot;
2740 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2743 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
2744 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
2745 if (vtable [im_slot] == NULL) {
2746 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
2747 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2749 g_hash_table_destroy (override_map);
2756 for (k = class; k ; k = k->parent) {
2759 ifaces = mono_class_get_implemented_interfaces (k);
2761 nifaces = ifaces->len;
2762 if (k->generic_class) {
2763 pifaces = mono_class_get_implemented_interfaces (
2764 k->generic_class->container_class);
2765 g_assert (pifaces && (pifaces->len == nifaces));
2768 for (i = 0; i < nifaces; i++) {
2769 MonoClass *pic = NULL;
2772 ic = g_ptr_array_index (ifaces, i);
2774 pic = g_ptr_array_index (pifaces, i);
2775 g_assert (ic->interface_id <= k->max_interface_id);
2776 io = mono_class_interface_offset (k, ic);
2779 g_assert (io <= max_vtsize);
2782 mono_class_setup_methods (ic);
2783 for (l = 0; l < ic->method.count; l++) {
2784 MonoMethod *im = ic->methods [l];
2786 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2789 for (j = 0; j < class->method.count; ++j) {
2790 MonoMethod *cm = class->methods [j];
2791 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
2792 !((cm->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == METHOD_ATTRIBUTE_PUBLIC) ||
2793 !(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT))
2795 if (!strcmp(cm->name, im->name) &&
2796 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2798 /* CAS - SecurityAction.InheritanceDemand on interface */
2799 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2800 mono_secman_inheritancedemand_method (cm, im);
2803 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2804 check_core_clr_override_method (class, cm, im);
2806 g_assert (io + l <= max_vtsize);
2807 vtable [io + l] = cm;
2808 TRACE_INTERFACE_VTABLE (printf (" [NOA] Filling slot %d (%d+%d) with method '%s'.'%s':'%s' ", io + l, io, l, cm->klass->name_space, cm->klass->name, cm->name));
2809 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2810 TRACE_INTERFACE_VTABLE (printf ("\n"));
2815 /* already implemented */
2816 if (io >= k->vtable_size)
2820 // Override methods with the same fully qualified name
2821 for (l = 0; l < ic->method.count; l++) {
2822 MonoMethod *im = ic->methods [l];
2823 char *qname, *fqname, *cname, *the_cname;
2826 if (vtable [io + l])
2830 the_cname = mono_type_get_name_full (&pic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
2834 cname = (char*)ic->name;
2837 qname = g_strconcat (cname, ".", im->name, NULL);
2838 if (ic->name_space && ic->name_space [0])
2839 fqname = g_strconcat (ic->name_space, ".", cname, ".", im->name, NULL);
2843 for (k1 = class; k1; k1 = k1->parent) {
2844 for (j = 0; j < k1->method.count; ++j) {
2845 MonoMethod *cm = k1->methods [j];
2847 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
2850 if (((fqname && !strcmp (cm->name, fqname)) || !strcmp (cm->name, qname)) &&
2851 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im)) &&
2852 ((vtable [io + l] == NULL) || mono_class_is_subclass_of (cm->klass, vtable [io + l]->klass, FALSE))) {
2854 /* CAS - SecurityAction.InheritanceDemand on interface */
2855 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2856 mono_secman_inheritancedemand_method (cm, im);
2859 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2860 check_core_clr_override_method (class, cm, im);
2862 g_assert (io + l <= max_vtsize);
2863 vtable [io + l] = cm;
2864 TRACE_INTERFACE_VTABLE (printf (" [FQN] Filling slot %d (%d+%d) with method '%s'.'%s':'%s' ", io + l, io, l, cm->klass->name_space, cm->klass->name, cm->name));
2865 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2866 TRACE_INTERFACE_VTABLE (printf ("\n"));
2876 // Override methods with the same name
2877 for (l = 0; l < ic->method.count; l++) {
2878 MonoMethod *im = ic->methods [l];
2881 g_assert (io + l <= max_vtsize);
2883 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2886 for (k1 = class; k1; k1 = k1->parent) {
2887 for (j = 0; j < k1->method.count; ++j) {
2888 MonoMethod *cm = k1->methods [j];
2890 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
2891 !(cm->flags & METHOD_ATTRIBUTE_PUBLIC))
2894 if (!strcmp(cm->name, im->name) &&
2895 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2897 /* CAS - SecurityAction.InheritanceDemand on interface */
2898 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2899 mono_secman_inheritancedemand_method (cm, im);
2902 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2903 check_core_clr_override_method (class, cm, im);
2905 g_assert (io + l <= max_vtsize);
2906 vtable [io + l] = cm;
2907 TRACE_INTERFACE_VTABLE (printf (" [SQN] Filling slot %d (%d+%d) with method '%s'.'%s':'%s' ", io + l, io, l, cm->klass->name_space, cm->klass->name, cm->name));
2908 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2909 TRACE_INTERFACE_VTABLE (printf ("\n"));
2914 g_assert (io + l <= max_vtsize);
2915 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2920 if (!(class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2921 for (l = 0; l < ic->method.count; l++) {
2923 MonoMethod *im = ic->methods [l];
2924 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2926 g_assert (io + l <= max_vtsize);
2929 * If one of our parents already implements this interface
2930 * we can inherit the implementation.
2932 if (!(vtable [io + l])) {
2933 MonoClass *parent = class->parent;
2935 for (; parent; parent = parent->parent) {
2936 if (MONO_CLASS_IMPLEMENTS_INTERFACE (parent, ic->interface_id) &&
2938 vtable [io + l] = parent->vtable [mono_class_interface_offset (parent, ic) + l];
2939 TRACE_INTERFACE_VTABLE (printf (" [INH] Filling slot %d (%d+%d) with method '%s'.'%s':'%s'\n", io + l, io, l, vtable [io + l]->klass->name_space, vtable [io + l]->klass->name, vtable [io + l]->name));
2944 if (!(vtable [io + l])) {
2945 for (j = 0; j < onum; ++j) {
2946 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", io+l, overrides [j*2+1]->name,
2947 overrides [j*2+1]->slot, overrides [j*2]->name, overrides [j*2]->slot);
2949 msig = mono_signature_get_desc (mono_method_signature (im), FALSE);
2950 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2951 mono_type_get_name (&ic->byval_arg), im->name, msig, class->name_space, class->name);
2953 for (j = 0; j < class->method.count; ++j) {
2954 MonoMethod *cm = class->methods [j];
2955 msig = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2957 printf ("METHOD %s(%s)\n", cm->name, msig);
2961 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2964 g_ptr_array_free (ifaces, TRUE);
2966 g_hash_table_destroy (override_map);
2973 for (l = 0; l < ic->method.count; l++) {
2974 MonoMethod *im = vtable [io + l];
2977 g_assert (io + l <= max_vtsize);
2979 /* FIXME: why do we need this ? */
2981 /* g_assert_not_reached (); */
2987 g_ptr_array_free (ifaces, TRUE);
2991 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
2992 for (i = 0; i < class->method.count; ++i) {
2995 cm = class->methods [i];
2998 * Non-virtual method have no place in the vtable.
2999 * This also catches static methods (since they are not virtual).
3001 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3005 * If the method is REUSE_SLOT, we must check in the
3006 * base class for a method to override.
3008 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3010 for (k = class->parent; k ; k = k->parent) {
3012 for (j = 0; j < k->method.count; ++j) {
3013 MonoMethod *m1 = k->methods [j];
3014 MonoMethodSignature *cmsig, *m1sig;
3016 if (!(m1->flags & METHOD_ATTRIBUTE_VIRTUAL))
3019 cmsig = mono_method_signature (cm);
3020 m1sig = mono_method_signature (m1);
3022 if (!cmsig || !m1sig) {
3023 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3027 if (!strcmp(cm->name, m1->name) &&
3028 mono_metadata_signature_equal (cmsig, m1sig)) {
3030 /* CAS - SecurityAction.InheritanceDemand */
3031 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3032 mono_secman_inheritancedemand_method (cm, m1);
3035 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3036 check_core_clr_override_method (class, cm, m1);
3038 slot = k->methods [j]->slot;
3039 g_assert (cm->slot < max_vtsize);
3041 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3042 g_hash_table_insert (override_map, m1, cm);
3054 cm->slot = cur_slot++;
3056 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3057 vtable [cm->slot] = cm;
3060 /* override non interface methods */
3061 for (i = 0; i < onum; i++) {
3062 MonoMethod *decl = overrides [i*2];
3063 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3064 g_assert (decl->slot != -1);
3065 vtable [decl->slot] = overrides [i*2 + 1];
3066 overrides [i * 2 + 1]->slot = decl->slot;
3068 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3069 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3071 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3072 check_core_clr_override_method (class, vtable [decl->slot], decl);
3077 * If a method occupies more than one place in the vtable, and it is
3078 * overriden, then change the other occurances too.
3081 for (i = 0; i < max_vtsize; ++i)
3083 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3088 g_hash_table_destroy (override_map);
3091 if (class->generic_class) {
3092 MonoClass *gklass = class->generic_class->container_class;
3094 mono_class_init (gklass);
3096 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3098 class->vtable_size = cur_slot;
3100 /* Try to share the vtable with our parent. */
3101 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3102 class->vtable = class->parent->vtable;
3104 class->vtable = mono_mempool_alloc0 (class->image->mempool, sizeof (gpointer) * class->vtable_size);
3105 memcpy (class->vtable, vtable, sizeof (gpointer) * class->vtable_size);
3108 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3109 if (mono_print_vtable) {
3112 print_implemented_interfaces (class);
3114 for (i = 0; i <= max_iid; i++)
3115 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3118 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3119 class->vtable_size, icount);
3121 for (i = 0; i < class->vtable_size; ++i) {
3126 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3127 mono_method_full_name (cm, TRUE));
3133 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3134 class->name, max_iid);
3136 for (i = 0; i < class->interface_count; i++) {
3137 ic = class->interfaces [i];
3138 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3139 mono_class_interface_offset (class, ic),
3140 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3143 for (k = class->parent; k ; k = k->parent) {
3144 for (i = 0; i < k->interface_count; i++) {
3145 ic = k->interfaces [i];
3146 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3147 mono_class_interface_offset (class, ic),
3148 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3155 static MonoMethod *default_ghc = NULL;
3156 static MonoMethod *default_finalize = NULL;
3157 static int finalize_slot = -1;
3158 static int ghc_slot = -1;
3161 initialize_object_slots (MonoClass *class)
3166 if (class == mono_defaults.object_class) {
3167 mono_class_setup_vtable (class);
3168 for (i = 0; i < class->vtable_size; ++i) {
3169 MonoMethod *cm = class->vtable [i];
3171 if (!strcmp (cm->name, "GetHashCode"))
3173 else if (!strcmp (cm->name, "Finalize"))
3177 g_assert (ghc_slot > 0);
3178 default_ghc = class->vtable [ghc_slot];
3180 g_assert (finalize_slot > 0);
3181 default_finalize = class->vtable [finalize_slot];
3186 g_list_prepend_mempool (GList* l, MonoMemPool* mp, gpointer datum)
3188 GList* n = mono_mempool_alloc (mp, sizeof (GList));
3196 MonoMethod *array_method;
3198 } GenericArrayMethodInfo;
3200 static int generic_array_method_num = 0;
3201 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3204 generic_array_methods (MonoClass *class)
3206 int i, count_generic = 0;
3207 GList *list = NULL, *tmp;
3208 if (generic_array_method_num)
3209 return generic_array_method_num;
3210 mono_class_setup_methods (class->parent);
3211 for (i = 0; i < class->parent->method.count; i++) {
3212 MonoMethod *m = class->parent->methods [i];
3213 if (!strncmp (m->name, "InternalArray__", 15)) {
3215 list = g_list_prepend (list, m);
3218 list = g_list_reverse (list);
3219 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3221 for (tmp = list; tmp; tmp = tmp->next) {
3222 const char *mname, *iname;
3224 MonoMethod *m = tmp->data;
3225 generic_array_method_info [i].array_method = m;
3226 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3227 iname = "System.Collections.Generic.ICollection`1.";
3228 mname = m->name + 27;
3229 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3230 iname = "System.Collections.Generic.IEnumerable`1.";
3231 mname = m->name + 27;
3232 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3233 iname = "System.Collections.Generic.IList`1.";
3234 mname = m->name + 15;
3236 g_assert_not_reached ();
3239 name = mono_mempool_alloc (mono_defaults.corlib->mempool, strlen (iname) + strlen (mname) + 1);
3240 strcpy (name, iname);
3241 strcpy (name + strlen (iname), mname);
3242 generic_array_method_info [i].name = name;
3245 /*g_print ("array generic methods: %d\n", count_generic);*/
3247 generic_array_method_num = count_generic;
3248 return generic_array_method_num;
3252 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, int pos)
3254 MonoGenericContext tmp_context;
3257 tmp_context.class_inst = NULL;
3258 tmp_context.method_inst = iface->generic_class->context.class_inst;
3259 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3261 for (i = 0; i < generic_array_method_num; i++) {
3262 MonoMethod *m = generic_array_method_info [i].array_method;
3263 MonoMethod *inflated;
3265 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3266 class->methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3271 create_array_method (MonoClass *class, const char *name, MonoMethodSignature *sig)
3275 method = (MonoMethod *) mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethodPInvoke));
3276 method->klass = class;
3277 method->flags = METHOD_ATTRIBUTE_PUBLIC;
3278 method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
3279 method->signature = sig;
3280 method->name = name;
3283 if (name [0] == '.') {
3284 method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
3286 method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
3292 concat_two_strings_with_zero (MonoMemPool *pool, const char *s1, const char *s2)
3294 int len = strlen (s1) + strlen (s2) + 2;
3295 char *s = mono_mempool_alloc (pool, len);
3298 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3299 g_assert (result == len - 1);
3305 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3307 class->exception_type = error->exception_type;
3309 switch (error->exception_type) {
3310 case MONO_EXCEPTION_TYPE_LOAD:
3311 class->exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->assembly_name);
3314 case MONO_EXCEPTION_MISSING_METHOD:
3315 class->exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->member_name);
3318 case MONO_EXCEPTION_MISSING_FIELD: {
3319 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3320 const char *class_name;
3323 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3325 class_name = error->klass->name;
3327 class->exception_data = concat_two_strings_with_zero (class->image->mempool, class_name, error->member_name);
3330 g_free ((void*)class_name);
3334 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3337 if (error->ref_only)
3338 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.";
3340 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3342 class->exception_data = concat_two_strings_with_zero (class->image->mempool, msg, error->assembly_name);
3346 case MONO_EXCEPTION_BAD_IMAGE:
3347 class->exception_data = error->msg;
3351 g_assert_not_reached ();
3356 check_core_clr_inheritance (MonoClass *class)
3358 MonoSecurityCoreCLRLevel class_level, parent_level;
3359 MonoClass *parent = class->parent;
3364 class_level = mono_security_core_clr_class_level (class);
3365 parent_level = mono_security_core_clr_class_level (parent);
3367 if (class_level < parent_level) {
3368 class->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3369 class->exception_data = NULL;
3375 * @class: the class to initialize
3377 * compute the instance_size, class_size and other infos that cannot be
3378 * computed at mono_class_get() time. Also compute a generic vtable and
3379 * the method slot numbers. We use this infos later to create a domain
3382 * Returns TRUE on success or FALSE if there was a problem in loading
3383 * the type (incorrect assemblies, missing assemblies, methods, etc).
3386 mono_class_init (MonoClass *class)
3389 MonoCachedClassInfo cached_info;
3390 gboolean has_cached_info;
3391 int class_init_ok = TRUE;
3396 return class->exception_type == MONO_EXCEPTION_NONE;
3398 /*g_print ("Init class %s\n", class->name);*/
3400 /* We do everything inside the lock to prevent races */
3401 mono_loader_lock ();
3403 if (class->inited) {
3404 mono_loader_unlock ();
3405 /* Somebody might have gotten in before us */
3406 return class->exception_type == MONO_EXCEPTION_NONE;
3409 if (class->init_pending) {
3410 mono_loader_unlock ();
3411 /* this indicates a cyclic dependency */
3412 g_error ("pending init %s.%s\n", class->name_space, class->name);
3415 class->init_pending = 1;
3417 /* CAS - SecurityAction.InheritanceDemand */
3418 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3419 mono_secman_inheritancedemand_class (class, class->parent);
3422 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3423 check_core_clr_inheritance (class);
3425 mono_stats.initialized_class_count++;
3427 if (class->generic_class && !class->generic_class->is_dynamic) {
3428 MonoClass *gklass = class->generic_class->container_class;
3430 mono_stats.generic_class_count++;
3432 class->method = gklass->method;
3433 class->field = gklass->field;
3435 mono_class_init (gklass);
3436 mono_class_setup_methods (gklass);
3437 mono_class_setup_properties (gklass);
3439 if (MONO_CLASS_IS_INTERFACE (class))
3440 class->interface_id = mono_get_unique_iid (class);
3442 g_assert (class->interface_count == gklass->interface_count);
3445 if (class->parent && !class->parent->inited)
3446 mono_class_init (class->parent);
3448 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3450 if (!class->generic_class && !class->image->dynamic && (!has_cached_info || (has_cached_info && cached_info.has_nested_classes))) {
3451 i = mono_metadata_nesting_typedef (class->image, class->type_token, 1);
3454 guint32 cols [MONO_NESTED_CLASS_SIZE];
3455 mono_metadata_decode_row (&class->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
3456 nclass = mono_class_create_from_typedef (class->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
3457 class->nested_classes = g_list_prepend_mempool (class->nested_classes, class->image->mempool, nclass);
3459 i = mono_metadata_nesting_typedef (class->image, class->type_token, i + 1);
3464 * Computes the size used by the fields, and their locations
3466 if (has_cached_info) {
3467 class->instance_size = cached_info.instance_size;
3468 class->sizes.class_size = cached_info.class_size;
3469 class->packing_size = cached_info.packing_size;
3470 class->min_align = cached_info.min_align;
3471 class->blittable = cached_info.blittable;
3472 class->has_references = cached_info.has_references;
3473 class->has_static_refs = cached_info.has_static_refs;
3474 class->no_special_static_fields = cached_info.no_special_static_fields;
3477 if (!class->size_inited){
3478 mono_class_setup_fields (class);
3479 if (class->exception_type || mono_loader_get_last_error ()){
3480 class_init_ok = FALSE;
3486 /* initialize method pointers */
3488 MonoMethod *amethod;
3489 MonoMethodSignature *sig;
3490 int count_generic = 0, first_generic = 0;
3493 class->method.count = 3 + (class->rank > 1? 2: 1);
3495 if (class->interface_count) {
3496 count_generic = generic_array_methods (class);
3497 first_generic = class->method.count;
3498 class->method.count += class->interface_count * count_generic;
3501 sig = mono_metadata_signature_alloc (class->image, class->rank);
3502 sig->ret = &mono_defaults.void_class->byval_arg;
3503 sig->pinvoke = TRUE;
3504 sig->hasthis = TRUE;
3505 for (i = 0; i < class->rank; ++i)
3506 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3508 amethod = create_array_method (class, ".ctor", sig);
3509 class->methods = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
3510 class->methods [method_num++] = amethod;
3511 if (class->rank > 1) {
3512 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
3513 sig->ret = &mono_defaults.void_class->byval_arg;
3514 sig->pinvoke = TRUE;
3515 sig->hasthis = TRUE;
3516 for (i = 0; i < class->rank * 2; ++i)
3517 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3519 amethod = create_array_method (class, ".ctor", sig);
3520 class->methods [method_num++] = amethod;
3522 /* element Get (idx11, [idx2, ...]) */
3523 sig = mono_metadata_signature_alloc (class->image, class->rank);
3524 sig->ret = &class->element_class->byval_arg;
3525 sig->pinvoke = TRUE;
3526 sig->hasthis = TRUE;
3527 for (i = 0; i < class->rank; ++i)
3528 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3529 amethod = create_array_method (class, "Get", sig);
3530 class->methods [method_num++] = amethod;
3531 /* element& Address (idx11, [idx2, ...]) */
3532 sig = mono_metadata_signature_alloc (class->image, class->rank);
3533 sig->ret = &class->element_class->this_arg;
3534 sig->pinvoke = TRUE;
3535 sig->hasthis = TRUE;
3536 for (i = 0; i < class->rank; ++i)
3537 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3538 amethod = create_array_method (class, "Address", sig);
3539 class->methods [method_num++] = amethod;
3540 /* void Set (idx11, [idx2, ...], element) */
3541 sig = mono_metadata_signature_alloc (class->image, class->rank + 1);
3542 sig->ret = &mono_defaults.void_class->byval_arg;
3543 sig->pinvoke = TRUE;
3544 sig->hasthis = TRUE;
3545 for (i = 0; i < class->rank; ++i)
3546 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3547 sig->params [i] = &class->element_class->byval_arg;
3548 amethod = create_array_method (class, "Set", sig);
3549 class->methods [method_num++] = amethod;
3551 for (i = 0; i < class->interface_count; i++)
3552 setup_generic_array_ifaces (class, class->interfaces [i], first_generic + i * count_generic);
3555 mono_class_setup_supertypes (class);
3558 initialize_object_slots (class);
3561 * If possible, avoid the creation of the generic vtable by requesting
3562 * cached info from the runtime.
3564 if (has_cached_info) {
3565 guint32 cur_slot = 0;
3567 class->vtable_size = cached_info.vtable_size;
3568 class->has_finalize = cached_info.has_finalize;
3569 class->ghcimpl = cached_info.ghcimpl;
3570 class->has_cctor = cached_info.has_cctor;
3572 if (class->parent) {
3573 mono_class_init (class->parent);
3574 cur_slot = class->parent->vtable_size;
3577 setup_interface_offsets (class, cur_slot);
3580 mono_class_setup_vtable (class);
3582 if (class->exception_type || mono_loader_get_last_error ()){
3583 class_init_ok = FALSE;
3588 if (class->parent) {
3589 MonoMethod *cmethod = class->vtable [ghc_slot];
3590 if (cmethod->is_inflated)
3591 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3592 if (cmethod == default_ghc) {
3597 /* Object::Finalize should have empty implemenatation */
3598 class->has_finalize = 0;
3599 if (class->parent) {
3600 MonoMethod *cmethod = class->vtable [finalize_slot];
3601 if (cmethod->is_inflated)
3602 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3603 if (cmethod != default_finalize) {
3604 class->has_finalize = 1;
3608 for (i = 0; i < class->method.count; ++i) {
3609 MonoMethod *method = class->methods [i];
3610 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3611 (strcmp (".cctor", method->name) == 0)) {
3612 class->has_cctor = 1;
3618 if (MONO_CLASS_IS_INTERFACE (class)) {
3620 * knowledge of interface offsets is needed for the castclass/isinst code, so
3621 * we have to setup them for interfaces, too.
3623 setup_interface_offsets (class, 0);
3628 class->init_pending = 0;
3630 if (mono_loader_get_last_error ()) {
3631 if (class->exception_type == MONO_EXCEPTION_NONE)
3632 set_failure_from_loader_error (class, mono_loader_get_last_error ());
3634 mono_loader_clear_error ();
3637 mono_loader_unlock ();
3639 if (mono_debugger_class_init_func)
3640 mono_debugger_class_init_func (class);
3642 return class_init_ok;
3646 * LOCKING: this assumes the loader lock is held
3649 mono_class_setup_mono_type (MonoClass *class)
3651 const char *name = class->name;
3652 const char *nspace = class->name_space;
3654 class->this_arg.byref = 1;
3655 class->this_arg.data.klass = class;
3656 class->this_arg.type = MONO_TYPE_CLASS;
3657 class->byval_arg.data.klass = class;
3658 class->byval_arg.type = MONO_TYPE_CLASS;
3660 if (!strcmp (nspace, "System")) {
3661 if (!strcmp (name, "ValueType")) {
3663 * do not set the valuetype bit for System.ValueType.
3664 * class->valuetype = 1;
3666 class->blittable = TRUE;
3667 } else if (!strcmp (name, "Enum")) {
3669 * do not set the valuetype bit for System.Enum.
3670 * class->valuetype = 1;
3672 class->valuetype = 0;
3673 class->enumtype = 0;
3674 } else if (!strcmp (name, "Object")) {
3675 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
3676 } else if (!strcmp (name, "String")) {
3677 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
3678 } else if (!strcmp (name, "TypedReference")) {
3679 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
3683 if (class->valuetype) {
3684 int t = MONO_TYPE_VALUETYPE;
3685 if (!strcmp (nspace, "System")) {
3688 if (!strcmp (name, "Boolean")) {
3689 t = MONO_TYPE_BOOLEAN;
3690 } else if (!strcmp(name, "Byte")) {
3692 class->blittable = TRUE;
3696 if (!strcmp (name, "Char")) {
3701 if (!strcmp (name, "Double")) {
3703 class->blittable = TRUE;
3707 if (!strcmp (name, "Int32")) {
3709 class->blittable = TRUE;
3710 } else if (!strcmp(name, "Int16")) {
3712 class->blittable = TRUE;
3713 } else if (!strcmp(name, "Int64")) {
3715 class->blittable = TRUE;
3716 } else if (!strcmp(name, "IntPtr")) {
3718 class->blittable = TRUE;
3722 if (!strcmp (name, "Single")) {
3724 class->blittable = TRUE;
3725 } else if (!strcmp(name, "SByte")) {
3727 class->blittable = TRUE;
3731 if (!strcmp (name, "UInt32")) {
3733 class->blittable = TRUE;
3734 } else if (!strcmp(name, "UInt16")) {
3736 class->blittable = TRUE;
3737 } else if (!strcmp(name, "UInt64")) {
3739 class->blittable = TRUE;
3740 } else if (!strcmp(name, "UIntPtr")) {
3742 class->blittable = TRUE;
3746 if (!strcmp (name, "TypedReference")) {
3747 t = MONO_TYPE_TYPEDBYREF;
3748 class->blittable = TRUE;
3752 if (!strcmp (name, "Void")) {
3760 class->this_arg.type = class->byval_arg.type = t;
3763 if (MONO_CLASS_IS_INTERFACE (class))
3764 class->interface_id = mono_get_unique_iid (class);
3769 * LOCKING: this assumes the loader lock is held
3772 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
3774 gboolean system_namespace;
3776 system_namespace = !strcmp (class->name_space, "System");
3778 /* if root of the hierarchy */
3779 if (system_namespace && !strcmp (class->name, "Object")) {
3780 class->parent = NULL;
3781 class->instance_size = sizeof (MonoObject);
3784 if (!strcmp (class->name, "<Module>")) {
3785 class->parent = NULL;
3786 class->instance_size = 0;
3790 if (!MONO_CLASS_IS_INTERFACE (class)) {
3791 /* Imported COM Objects always derive from __ComObject. */
3792 if (MONO_CLASS_IS_IMPORT (class)) {
3793 mono_init_com_types ();
3794 if (parent == mono_defaults.object_class)
3795 parent = mono_defaults.com_object_class;
3797 class->parent = parent;
3801 g_assert_not_reached (); /* FIXME */
3803 if (parent->generic_class && !parent->name) {
3805 * If the parent is a generic instance, we may get
3806 * called before it is fully initialized, especially
3807 * before it has its name.
3812 class->marshalbyref = parent->marshalbyref;
3813 class->contextbound = parent->contextbound;
3814 class->delegate = parent->delegate;
3815 if (MONO_CLASS_IS_IMPORT (class))
3816 class->is_com_object = 1;
3818 class->is_com_object = parent->is_com_object;
3820 if (system_namespace) {
3821 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
3822 class->marshalbyref = 1;
3824 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
3825 class->contextbound = 1;
3827 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
3828 class->delegate = 1;
3831 if (class->parent->enumtype || ((strcmp (class->parent->name, "ValueType") == 0) &&
3832 (strcmp (class->parent->name_space, "System") == 0)))
3833 class->valuetype = 1;
3834 if (((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
3835 class->valuetype = class->enumtype = 1;
3837 /*class->enumtype = class->parent->enumtype; */
3838 mono_class_setup_supertypes (class);
3840 /* initialize com types if COM interfaces are present */
3841 if (MONO_CLASS_IS_IMPORT (class))
3842 mono_init_com_types ();
3843 class->parent = NULL;
3849 * mono_class_setup_supertypes:
3852 * Build the data structure needed to make fast type checks work.
3853 * This currently sets two fields in @class:
3854 * - idepth: distance between @class and System.Object in the type
3856 * - supertypes: array of classes: each element has a class in the hierarchy
3857 * starting from @class up to System.Object
3859 * LOCKING: this assumes the loader lock is held
3862 mono_class_setup_supertypes (MonoClass *class)
3866 if (class->supertypes)
3869 if (class->parent && !class->parent->supertypes)
3870 mono_class_setup_supertypes (class->parent);
3872 class->idepth = class->parent->idepth + 1;
3876 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
3877 class->supertypes = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClass *) * ms);
3879 if (class->parent) {
3880 class->supertypes [class->idepth - 1] = class;
3881 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
3883 class->supertypes [0] = class;
3888 * mono_class_create_from_typedef:
3889 * @image: image where the token is valid
3890 * @type_token: typedef token
3892 * Create the MonoClass* representing the specified type token.
3893 * @type_token must be a TypeDef token.
3896 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
3898 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
3899 MonoClass *class, *parent = NULL;
3900 guint32 cols [MONO_TYPEDEF_SIZE];
3901 guint32 cols_next [MONO_TYPEDEF_SIZE];
3902 guint tidx = mono_metadata_token_index (type_token);
3903 MonoGenericContext *context = NULL;
3904 const char *name, *nspace;
3906 MonoClass **interfaces;
3907 guint32 field_last, method_last;
3908 guint32 nesting_tokeen;
3910 mono_loader_lock ();
3912 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
3913 mono_loader_unlock ();
3917 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
3919 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
3921 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
3922 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
3924 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
3927 class->name_space = nspace;
3929 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
3931 class->image = image;
3932 class->type_token = type_token;
3933 class->flags = cols [MONO_TYPEDEF_FLAGS];
3935 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
3938 * Check whether we're a generic type definition.
3940 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
3941 if (class->generic_container) {
3942 class->generic_container->owner.klass = class;
3943 context = &class->generic_container->context;
3946 if (cols [MONO_TYPEDEF_EXTENDS]) {
3947 parent = mono_class_get_full (
3948 image, mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]), context);
3949 if (parent == NULL){
3950 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
3951 mono_loader_unlock ();
3952 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
3957 /* do this early so it's available for interfaces in setup_mono_type () */
3958 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
3959 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
3961 mono_class_setup_parent (class, parent);
3963 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
3964 mono_class_setup_mono_type (class);
3966 if (!class->enumtype) {
3967 if (!mono_metadata_interfaces_from_typedef_full (
3968 image, type_token, &interfaces, &icount, context)){
3969 mono_loader_unlock ();
3970 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
3974 class->interfaces = interfaces;
3975 class->interface_count = icount;
3978 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
3982 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
3986 class->cast_class = class->element_class = class;
3988 /*g_print ("Load class %s\n", name);*/
3991 * Compute the field and method lists
3993 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
3994 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
3996 if (tt->rows > tidx){
3997 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
3998 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
3999 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
4001 field_last = image->tables [MONO_TABLE_FIELD].rows;
4002 method_last = image->tables [MONO_TABLE_METHOD].rows;
4005 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4006 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4007 class->field.count = field_last - class->field.first;
4009 class->field.count = 0;
4011 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4012 class->method.count = method_last - class->method.first;
4014 class->method.count = 0;
4016 /* reserve space to store vector pointer in arrays */
4017 if (!strcmp (nspace, "System") && !strcmp (name, "Array")) {
4018 class->instance_size += 2 * sizeof (gpointer);
4019 g_assert (class->field.count == 0);
4022 if (class->enumtype) {
4023 class->enum_basetype = mono_class_find_enum_basetype (class);
4024 if (!class->enum_basetype) {
4025 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4026 mono_loader_unlock ();
4029 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
4033 * If we're a generic type definition, load the constraints.
4034 * We must do this after the class has been constructed to make certain recursive scenarios
4037 if (class->generic_container)
4038 mono_metadata_load_generic_param_constraints (
4039 image, type_token, class->generic_container);
4041 mono_loader_unlock ();
4043 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4048 /** is klass Nullable<T>? */
4050 mono_class_is_nullable (MonoClass *klass)
4052 return klass->generic_class != NULL &&
4053 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4057 /** if klass is T? return T */
4059 mono_class_get_nullable_param (MonoClass *klass)
4061 g_assert (mono_class_is_nullable (klass));
4062 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4066 * Create the `MonoClass' for an instantiation of a generic type.
4067 * We only do this if we actually need it.
4070 mono_generic_class_get_class (MonoGenericClass *gclass)
4072 MonoClass *klass, *gklass;
4075 mono_loader_lock ();
4076 if (gclass->cached_class) {
4077 mono_loader_unlock ();
4078 return gclass->cached_class;
4081 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4082 klass = gclass->cached_class;
4084 gklass = gclass->container_class;
4086 if (gklass->nested_in) {
4088 * FIXME: the nested type context should include everything the
4089 * nesting context should have, but it may also have additional
4090 * generic parameters...
4092 MonoType *inflated = mono_class_inflate_generic_type (
4093 &gklass->nested_in->byval_arg, mono_generic_class_get_context (gclass));
4094 klass->nested_in = mono_class_from_mono_type (inflated);
4095 mono_metadata_free_type (inflated);
4098 klass->name = gklass->name;
4099 klass->name_space = gklass->name_space;
4101 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4103 klass->image = gklass->image;
4104 klass->flags = gklass->flags;
4105 klass->type_token = gklass->type_token;
4106 klass->field.count = gklass->field.count;
4107 klass->property.count = gklass->property.count;
4109 klass->generic_class = gclass;
4111 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4112 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4113 klass->this_arg.byref = TRUE;
4114 klass->enumtype = gklass->enumtype;
4115 klass->valuetype = gklass->valuetype;
4117 klass->cast_class = klass->element_class = klass;
4119 if (mono_class_is_nullable (klass))
4120 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4122 klass->interface_count = gklass->interface_count;
4123 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
4124 for (i = 0; i < klass->interface_count; i++) {
4125 MonoType *it = &gklass->interfaces [i]->byval_arg;
4126 MonoType *inflated = mono_class_inflate_generic_type (it, mono_generic_class_get_context (gclass));
4127 klass->interfaces [i] = mono_class_from_mono_type (inflated);
4128 mono_metadata_free_type (inflated);
4132 * We're not interested in the nested classes of a generic instance.
4133 * We use the generic type definition to look for nested classes.
4135 klass->nested_classes = NULL;
4137 if (gklass->parent) {
4138 MonoType *inflated = mono_class_inflate_generic_type (
4139 &gklass->parent->byval_arg, mono_generic_class_get_context (gclass));
4141 klass->parent = mono_class_from_mono_type (inflated);
4142 mono_metadata_free_type (inflated);
4146 mono_class_setup_parent (klass, klass->parent);
4148 if (klass->enumtype) {
4149 klass->enum_basetype = gklass->enum_basetype;
4150 klass->cast_class = gklass->cast_class;
4153 if (gclass->is_dynamic) {
4156 mono_class_setup_supertypes (klass);
4158 if (klass->enumtype) {
4160 * For enums, gklass->fields might not been set, but instance_size etc. is
4161 * already set in mono_reflection_create_internal_class (). For non-enums,
4162 * these will be computed normally in mono_class_layout_fields ().
4164 klass->instance_size = gklass->instance_size;
4165 klass->sizes.class_size = gklass->sizes.class_size;
4166 klass->size_inited = 1;
4170 if (MONO_CLASS_IS_INTERFACE (klass))
4171 setup_interface_offsets (klass, 0);
4173 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4175 mono_loader_unlock ();
4181 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4183 MonoClass *klass, **ptr;
4186 mono_loader_lock ();
4188 if (param->pklass) {
4189 mono_loader_unlock ();
4190 return param->pklass;
4193 if (!image && param->owner) {
4195 MonoMethod *method = param->owner->owner.method;
4196 image = (method && method->klass) ? method->klass->image : NULL;
4198 MonoClass *klass = param->owner->owner.klass;
4199 // FIXME: 'klass' should not be null
4200 // But, monodis creates GenericContainers without associating a owner to it
4201 image = klass ? klass->image : NULL;
4206 image = mono_defaults.corlib;
4208 klass = param->pklass = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4211 klass->name = param->name;
4213 klass->name = mono_mempool_alloc0 (image->mempool, 16);
4214 sprintf ((char*)klass->name, is_mvar ? "!!%d" : "!%d", param->num);
4216 klass->name_space = "";
4217 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4219 for (count = 0, ptr = param->constraints; ptr && *ptr; ptr++, count++)
4223 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (param->constraints [0])) {
4224 klass->parent = param->constraints [0];
4226 } else if (param->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4227 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4229 klass->parent = mono_defaults.object_class;
4231 if (count - pos > 0) {
4232 klass->interface_count = count - pos;
4233 klass->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass *) * (count - pos));
4234 for (i = pos; i < count; i++)
4235 klass->interfaces [i - pos] = param->constraints [i];
4239 image = mono_defaults.corlib;
4241 klass->image = image;
4243 klass->inited = TRUE;
4244 klass->cast_class = klass->element_class = klass;
4245 klass->enum_basetype = &klass->element_class->byval_arg;
4246 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4248 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4249 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4250 klass->this_arg.byref = TRUE;
4252 mono_class_setup_supertypes (klass);
4254 mono_loader_unlock ();
4256 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4262 mono_ptr_class_get (MonoType *type)
4265 MonoClass *el_class;
4269 el_class = mono_class_from_mono_type (type);
4270 image = el_class->image;
4272 mono_loader_lock ();
4274 if (!image->ptr_cache)
4275 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4277 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4278 mono_loader_unlock ();
4281 result = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4283 result->parent = NULL; /* no parent for PTR types */
4284 result->name_space = el_class->name_space;
4285 name = g_strdup_printf ("%s*", el_class->name);
4286 result->name = mono_mempool_strdup (image->mempool, name);
4289 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4291 result->image = el_class->image;
4292 result->inited = TRUE;
4293 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4294 /* Can pointers get boxed? */
4295 result->instance_size = sizeof (gpointer);
4296 result->cast_class = result->element_class = el_class;
4297 result->enum_basetype = &result->element_class->byval_arg;
4298 result->blittable = TRUE;
4300 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4301 result->this_arg.data.type = result->byval_arg.data.type = result->enum_basetype;
4302 result->this_arg.byref = TRUE;
4304 mono_class_setup_supertypes (result);
4306 g_hash_table_insert (image->ptr_cache, el_class, result);
4308 mono_loader_unlock ();
4310 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4316 mono_fnptr_class_get (MonoMethodSignature *sig)
4319 static GHashTable *ptr_hash = NULL;
4321 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4323 mono_loader_lock ();
4326 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4328 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4329 mono_loader_unlock ();
4332 result = g_new0 (MonoClass, 1);
4334 result->parent = NULL; /* no parent for PTR types */
4335 result->name_space = "System";
4336 result->name = "MonoFNPtrFakeClass";
4338 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4340 result->image = mono_defaults.corlib; /* need to fix... */
4341 result->inited = TRUE;
4342 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4343 /* Can pointers get boxed? */
4344 result->instance_size = sizeof (gpointer);
4345 result->cast_class = result->element_class = result;
4346 result->blittable = TRUE;
4348 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4349 result->this_arg.data.method = result->byval_arg.data.method = sig;
4350 result->this_arg.byref = TRUE;
4351 result->enum_basetype = &result->element_class->byval_arg;
4352 result->blittable = TRUE;
4354 mono_class_setup_supertypes (result);
4356 g_hash_table_insert (ptr_hash, sig, result);
4358 mono_loader_unlock ();
4360 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4366 mono_class_from_mono_type (MonoType *type)
4368 switch (type->type) {
4369 case MONO_TYPE_OBJECT:
4370 return type->data.klass? type->data.klass: mono_defaults.object_class;
4371 case MONO_TYPE_VOID:
4372 return type->data.klass? type->data.klass: mono_defaults.void_class;
4373 case MONO_TYPE_BOOLEAN:
4374 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4375 case MONO_TYPE_CHAR:
4376 return type->data.klass? type->data.klass: mono_defaults.char_class;
4378 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4380 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4382 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4384 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4386 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4388 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4390 return type->data.klass? type->data.klass: mono_defaults.int_class;
4392 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4394 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4396 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4398 return type->data.klass? type->data.klass: mono_defaults.single_class;
4400 return type->data.klass? type->data.klass: mono_defaults.double_class;
4401 case MONO_TYPE_STRING:
4402 return type->data.klass? type->data.klass: mono_defaults.string_class;
4403 case MONO_TYPE_TYPEDBYREF:
4404 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4405 case MONO_TYPE_ARRAY:
4406 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4408 return mono_ptr_class_get (type->data.type);
4409 case MONO_TYPE_FNPTR:
4410 return mono_fnptr_class_get (type->data.method);
4411 case MONO_TYPE_SZARRAY:
4412 return mono_array_class_get (type->data.klass, 1);
4413 case MONO_TYPE_CLASS:
4414 case MONO_TYPE_VALUETYPE:
4415 return type->data.klass;
4416 case MONO_TYPE_GENERICINST:
4417 return mono_generic_class_get_class (type->data.generic_class);
4419 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4420 case MONO_TYPE_MVAR:
4421 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4423 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4424 g_assert_not_reached ();
4431 * mono_type_retrieve_from_typespec
4432 * @image: context where the image is created
4433 * @type_spec: typespec token
4434 * @context: the generic context used to evaluate generic instantiations in
4437 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4439 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4442 if (context && (context->class_inst || context->method_inst)) {
4443 MonoType *inflated = inflate_generic_type (t, context);
4451 * mono_class_create_from_typespec
4452 * @image: context where the image is created
4453 * @type_spec: typespec token
4454 * @context: the generic context used to evaluate generic instantiations in
4457 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4459 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context);
4462 return mono_class_from_mono_type (t);
4466 * mono_bounded_array_class_get:
4467 * @element_class: element class
4468 * @rank: the dimension of the array class
4469 * @bounded: whenever the array has non-zero bounds
4471 * Returns: a class object describing the array with element type @element_type and
4475 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4479 MonoClass *parent = NULL;
4480 GSList *list, *rootlist;
4483 gboolean corlib_type = FALSE;
4485 g_assert (rank <= 255);
4488 /* bounded only matters for one-dimensional arrays */
4491 image = eclass->image;
4493 mono_loader_lock ();
4495 if (!image->array_cache)
4496 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4498 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
4499 for (; list; list = list->next) {
4501 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
4502 mono_loader_unlock ();
4508 /* for the building corlib use System.Array from it */
4509 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
4510 parent = mono_class_from_name (image, "System", "Array");
4513 parent = mono_defaults.array_class;
4514 if (!parent->inited)
4515 mono_class_init (parent);
4518 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4520 class->image = image;
4521 class->name_space = eclass->name_space;
4522 nsize = strlen (eclass->name);
4523 name = g_malloc (nsize + 2 + rank);
4524 memcpy (name, eclass->name, nsize);
4527 memset (name + nsize + 1, ',', rank - 1);
4528 name [nsize + rank] = ']';
4529 name [nsize + rank + 1] = 0;
4530 class->name = mono_mempool_strdup (image->mempool, name);
4533 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4535 class->type_token = 0;
4536 /* all arrays are marked serializable and sealed, bug #42779 */
4537 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
4538 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4539 class->parent = parent;
4540 class->instance_size = mono_class_instance_size (class->parent);
4542 if (eclass->enumtype && !eclass->enum_basetype) {
4543 if (!eclass->reflection_info || eclass->wastypebuilder) {
4544 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
4545 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
4547 /* element_size -1 is ok as this is not an instantitable type*/
4548 class->sizes.element_size = -1;
4550 class->sizes.element_size = mono_class_array_element_size (eclass);
4552 mono_class_setup_supertypes (class);
4554 if (mono_defaults.generic_ilist_class && !bounded && rank == 1) {
4557 /* generic IList, ICollection, IEnumerable */
4558 class->interface_count = 1;
4559 class->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass*) * class->interface_count);
4561 args [0] = &eclass->byval_arg;
4562 class->interfaces [0] = mono_class_bind_generic_parameters (
4563 mono_defaults.generic_ilist_class, 1, args, FALSE);
4566 if (eclass->generic_class)
4567 mono_class_init (eclass);
4568 if (!eclass->size_inited)
4569 mono_class_setup_fields (eclass);
4570 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
4574 if (eclass->enumtype)
4575 class->cast_class = eclass->element_class;
4577 class->cast_class = eclass;
4579 class->element_class = eclass;
4581 if ((rank > 1) || bounded) {
4582 MonoArrayType *at = mono_mempool_alloc0 (image->mempool, sizeof (MonoArrayType));
4583 class->byval_arg.type = MONO_TYPE_ARRAY;
4584 class->byval_arg.data.array = at;
4585 at->eklass = eclass;
4587 /* FIXME: complete.... */
4589 class->byval_arg.type = MONO_TYPE_SZARRAY;
4590 class->byval_arg.data.klass = eclass;
4592 class->this_arg = class->byval_arg;
4593 class->this_arg.byref = 1;
4598 class->generic_container = eclass->generic_container;
4600 list = g_slist_append (rootlist, class);
4601 g_hash_table_insert (image->array_cache, eclass, list);
4603 mono_loader_unlock ();
4605 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4611 * mono_array_class_get:
4612 * @element_class: element class
4613 * @rank: the dimension of the array class
4615 * Returns: a class object describing the array with element type @element_type and
4619 mono_array_class_get (MonoClass *eclass, guint32 rank)
4621 return mono_bounded_array_class_get (eclass, rank, FALSE);
4625 * mono_class_instance_size:
4628 * Returns: the size of an object instance
4631 mono_class_instance_size (MonoClass *klass)
4633 if (!klass->size_inited)
4634 mono_class_init (klass);
4636 return klass->instance_size;
4640 * mono_class_min_align:
4643 * Returns: minimm alignment requirements
4646 mono_class_min_align (MonoClass *klass)
4648 if (!klass->size_inited)
4649 mono_class_init (klass);
4651 return klass->min_align;
4655 * mono_class_value_size:
4658 * This function is used for value types, and return the
4659 * space and the alignment to store that kind of value object.
4661 * Returns: the size of a value of kind @klass
4664 mono_class_value_size (MonoClass *klass, guint32 *align)
4668 /* fixme: check disable, because we still have external revereces to
4669 * mscorlib and Dummy Objects
4671 /*g_assert (klass->valuetype);*/
4673 size = mono_class_instance_size (klass) - sizeof (MonoObject);
4676 *align = klass->min_align;
4682 * mono_class_data_size:
4685 * Returns: the size of the static class data
4688 mono_class_data_size (MonoClass *klass)
4691 mono_class_init (klass);
4693 /* in arrays, sizes.class_size is unioned with element_size
4694 * and arrays have no static fields
4698 return klass->sizes.class_size;
4702 * Auxiliary routine to mono_class_get_field
4704 * Takes a field index instead of a field token.
4706 static MonoClassField *
4707 mono_class_get_field_idx (MonoClass *class, int idx)
4709 mono_class_setup_fields_locking (class);
4712 if (class->image->uncompressed_metadata) {
4714 * class->field.first points to the FieldPtr table, while idx points into the
4715 * Field table, so we have to do a search.
4717 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
4720 for (i = 0; i < class->field.count; ++i)
4721 if (class->fields [i].name == name)
4722 return &class->fields [i];
4723 g_assert_not_reached ();
4725 if (class->field.count) {
4726 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
4727 return &class->fields [idx - class->field.first];
4731 class = class->parent;
4737 * mono_class_get_field:
4738 * @class: the class to lookup the field.
4739 * @field_token: the field token
4741 * Returns: A MonoClassField representing the type and offset of
4742 * the field, or a NULL value if the field does not belong to this
4746 mono_class_get_field (MonoClass *class, guint32 field_token)
4748 int idx = mono_metadata_token_index (field_token);
4750 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
4752 return mono_class_get_field_idx (class, idx - 1);
4756 * mono_class_get_field_from_name:
4757 * @klass: the class to lookup the field.
4758 * @name: the field name
4760 * Search the class @klass and it's parents for a field with the name @name.
4762 * Returns: the MonoClassField pointer of the named field or NULL
4765 mono_class_get_field_from_name (MonoClass *klass, const char *name)
4769 mono_class_setup_fields_locking (klass);
4771 for (i = 0; i < klass->field.count; ++i) {
4772 if (strcmp (name, klass->fields [i].name) == 0)
4773 return &klass->fields [i];
4775 klass = klass->parent;
4781 * mono_class_get_field_token:
4782 * @field: the field we need the token of
4784 * Get the token of a field. Note that the tokesn is only valid for the image
4785 * the field was loaded from. Don't use this function for fields in dynamic types.
4787 * Returns: the token representing the field in the image it was loaded from.
4790 mono_class_get_field_token (MonoClassField *field)
4792 MonoClass *klass = field->parent;
4795 mono_class_setup_fields_locking (klass);
4797 for (i = 0; i < klass->field.count; ++i) {
4798 if (&klass->fields [i] == field) {
4799 int idx = klass->field.first + i + 1;
4801 if (klass->image->uncompressed_metadata)
4802 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
4803 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
4806 klass = klass->parent;
4809 g_assert_not_reached ();
4814 * mono_class_get_field_default_value:
4816 * Return the default value of the field as a pointer into the metadata blob.
4819 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
4822 guint32 constant_cols [MONO_CONSTANT_SIZE];
4824 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
4827 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), cindex + 1);
4829 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
4831 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
4832 field->def_type = constant_cols [MONO_CONSTANT_TYPE];
4833 field->data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
4836 *def_type = field->def_type;
4841 mono_class_get_event_token (MonoEvent *event)
4843 MonoClass *klass = event->parent;
4847 for (i = 0; i < klass->event.count; ++i) {
4848 if (&klass->events [i] == event)
4849 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->event.first + i + 1);
4851 klass = klass->parent;
4854 g_assert_not_reached ();
4859 mono_class_get_property_from_name (MonoClass *klass, const char *name)
4863 gpointer iter = NULL;
4864 while ((p = mono_class_get_properties (klass, &iter))) {
4865 if (! strcmp (name, p->name))
4868 klass = klass->parent;
4874 mono_class_get_property_token (MonoProperty *prop)
4876 MonoClass *klass = prop->parent;
4880 gpointer iter = NULL;
4881 while ((p = mono_class_get_properties (klass, &iter))) {
4882 if (&klass->properties [i] == prop)
4883 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->property.first + i + 1);
4887 klass = klass->parent;
4890 g_assert_not_reached ();
4895 mono_class_name_from_token (MonoImage *image, guint32 type_token)
4897 const char *name, *nspace;
4899 return g_strdup_printf ("DynamicType 0x%08x", type_token);
4901 switch (type_token & 0xff000000){
4902 case MONO_TOKEN_TYPE_DEF: {
4903 guint32 cols [MONO_TYPEDEF_SIZE];
4904 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4905 guint tidx = mono_metadata_token_index (type_token);
4907 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4908 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4909 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4910 if (strlen (nspace) == 0)
4911 return g_strdup_printf ("%s", name);
4913 return g_strdup_printf ("%s.%s", nspace, name);
4916 case MONO_TOKEN_TYPE_REF: {
4917 guint32 cols [MONO_TYPEREF_SIZE];
4918 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
4920 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
4921 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
4922 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
4923 if (strlen (nspace) == 0)
4924 return g_strdup_printf ("%s", name);
4926 return g_strdup_printf ("%s.%s", nspace, name);
4929 case MONO_TOKEN_TYPE_SPEC:
4930 return g_strdup_printf ("Typespec 0x%08x", type_token);
4932 g_assert_not_reached ();
4939 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
4942 return g_strdup_printf ("DynamicAssembly %s", image->name);
4944 switch (type_token & 0xff000000){
4945 case MONO_TOKEN_TYPE_DEF:
4946 return mono_stringify_assembly_name (&image->assembly->aname);
4948 case MONO_TOKEN_TYPE_REF: {
4949 MonoAssemblyName aname;
4950 guint32 cols [MONO_TYPEREF_SIZE];
4951 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
4954 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
4956 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
4957 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
4958 case MONO_RESOLTION_SCOPE_MODULE:
4960 return g_strdup ("");
4961 case MONO_RESOLTION_SCOPE_MODULEREF:
4963 return g_strdup ("");
4964 case MONO_RESOLTION_SCOPE_TYPEREF:
4966 return g_strdup ("");
4967 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
4968 mono_assembly_get_assemblyref (image, idx - 1, &aname);
4969 return mono_stringify_assembly_name (&aname);
4971 g_assert_not_reached ();
4975 case MONO_TOKEN_TYPE_SPEC:
4977 return g_strdup ("");
4979 g_assert_not_reached ();
4986 * mono_class_get_full:
4987 * @image: the image where the class resides
4988 * @type_token: the token for the class
4989 * @context: the generic context used to evaluate generic instantiations in
4991 * Returns: the MonoClass that represents @type_token in @image
4994 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
4996 MonoClass *class = NULL;
4998 if (image->dynamic) {
4999 int table = mono_metadata_token_table (type_token);
5001 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5002 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5005 return mono_lookup_dynamic_token (image, type_token, context);
5008 switch (type_token & 0xff000000){
5009 case MONO_TOKEN_TYPE_DEF:
5010 class = mono_class_create_from_typedef (image, type_token);
5012 case MONO_TOKEN_TYPE_REF:
5013 class = mono_class_from_typeref (image, type_token);
5015 case MONO_TOKEN_TYPE_SPEC:
5016 class = mono_class_create_from_typespec (image, type_token, context);
5019 g_warning ("unknown token type %x", type_token & 0xff000000);
5020 g_assert_not_reached ();
5024 char *name = mono_class_name_from_token (image, type_token);
5025 char *assembly = mono_assembly_name_from_token (image, type_token);
5026 mono_loader_set_error_type_load (name, assembly);
5034 * mono_type_get_full:
5035 * @image: the image where the type resides
5036 * @type_token: the token for the type
5037 * @context: the generic context used to evaluate generic instantiations in
5039 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5041 * Returns: the MonoType that represents @type_token in @image
5044 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5046 MonoType *type = NULL;
5048 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5050 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5052 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5053 MonoClass *class = mono_class_get_full (image, type_token, context);
5054 return class ? mono_class_get_type (class) : NULL;
5057 type = mono_type_retrieve_from_typespec (image, type_token, context);
5060 char *name = mono_class_name_from_token (image, type_token);
5061 char *assembly = mono_assembly_name_from_token (image, type_token);
5062 mono_loader_set_error_type_load (name, assembly);
5070 mono_class_get (MonoImage *image, guint32 type_token)
5072 return mono_class_get_full (image, type_token, NULL);
5076 * mono_image_init_name_cache:
5078 * Initializes the class name cache stored in image->name_cache.
5080 * LOCKING: Acquires the loader lock.
5083 mono_image_init_name_cache (MonoImage *image)
5085 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5086 guint32 cols [MONO_TYPEDEF_SIZE];
5089 guint32 i, visib, nspace_index;
5090 GHashTable *name_cache2, *nspace_table;
5092 mono_loader_lock ();
5094 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5096 if (image->dynamic) {
5097 mono_loader_unlock ();
5101 /* Temporary hash table to avoid lookups in the nspace_table */
5102 name_cache2 = g_hash_table_new (NULL, NULL);
5104 for (i = 1; i <= t->rows; ++i) {
5105 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5106 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5108 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5109 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5111 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5113 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5114 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5116 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5117 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5118 if (!nspace_table) {
5119 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5120 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5121 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5124 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5127 /* Load type names from EXPORTEDTYPES table */
5129 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5130 guint32 cols [MONO_EXP_TYPE_SIZE];
5133 for (i = 0; i < t->rows; ++i) {
5134 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5135 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5136 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5138 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5139 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5140 if (!nspace_table) {
5141 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5142 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5143 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5146 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5150 g_hash_table_destroy (name_cache2);
5152 mono_loader_unlock ();
5156 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5157 const char *name, guint32 index)
5159 GHashTable *nspace_table;
5160 GHashTable *name_cache;
5162 mono_loader_lock ();
5164 if (!image->name_cache)
5165 mono_image_init_name_cache (image);
5167 name_cache = image->name_cache;
5168 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5169 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5170 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5172 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5174 mono_loader_unlock ();
5183 find_nocase (gpointer key, gpointer value, gpointer user_data)
5185 char *name = (char*)key;
5186 FindUserData *data = (FindUserData*)user_data;
5188 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5189 data->value = value;
5193 * mono_class_from_name_case:
5194 * @image: The MonoImage where the type is looked up in
5195 * @name_space: the type namespace
5196 * @name: the type short name.
5198 * Obtains a MonoClass with a given namespace and a given name which
5199 * is located in the given MonoImage. The namespace and name
5200 * lookups are case insensitive.
5203 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5205 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5206 guint32 cols [MONO_TYPEDEF_SIZE];
5211 if (image->dynamic) {
5213 FindUserData user_data;
5215 mono_loader_lock ();
5217 if (!image->name_cache)
5218 mono_image_init_name_cache (image);
5220 user_data.key = name_space;
5221 user_data.value = NULL;
5222 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5224 if (user_data.value) {
5225 GHashTable *nspace_table = (GHashTable*)user_data.value;
5227 user_data.key = name;
5228 user_data.value = NULL;
5230 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5232 if (user_data.value)
5233 token = GPOINTER_TO_UINT (user_data.value);
5236 mono_loader_unlock ();
5239 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5245 /* add a cache if needed */
5246 for (i = 1; i <= t->rows; ++i) {
5247 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5248 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5250 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5251 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5253 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5255 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5256 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5257 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5258 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5264 return_nested_in (MonoClass *class, char *nested) {
5266 char *s = strchr (nested, '/');
5273 for (tmp = class->nested_classes; tmp; tmp = tmp->next) {
5275 if (strcmp (found->name, nested) == 0) {
5277 return return_nested_in (found, s);
5286 * mono_class_from_name:
5287 * @image: The MonoImage where the type is looked up in
5288 * @name_space: the type namespace
5289 * @name: the type short name.
5291 * Obtains a MonoClass with a given namespace and a given name which
5292 * is located in the given MonoImage.
5295 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5297 GHashTable *nspace_table;
5298 MonoImage *loaded_image;
5305 if ((nested = strchr (name, '/'))) {
5306 int pos = nested - name;
5307 int len = strlen (name);
5310 memcpy (buf, name, len + 1);
5312 nested = buf + pos + 1;
5316 if (get_class_from_name) {
5317 gboolean res = get_class_from_name (image, name_space, name, &class);
5320 return class ? return_nested_in (class, nested) : NULL;
5326 mono_loader_lock ();
5328 if (!image->name_cache)
5329 mono_image_init_name_cache (image);
5331 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5334 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5336 mono_loader_unlock ();
5338 if (!token && image->dynamic && image->modules) {
5339 /* Search modules as well */
5340 for (i = 0; i < image->module_count; ++i) {
5341 MonoImage *module = image->modules [i];
5343 class = mono_class_from_name (module, name_space, name);
5352 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
5353 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5354 guint32 cols [MONO_EXP_TYPE_SIZE];
5357 idx = mono_metadata_token_index (token);
5359 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
5361 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
5362 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
5363 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
5366 class = mono_class_from_name (loaded_image, name_space, name);
5368 return return_nested_in (class, nested);
5370 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
5371 MonoAssembly **references = image->references;
5372 if (!references [idx - 1])
5373 mono_assembly_load_reference (image, idx - 1);
5374 g_assert (references == image->references);
5375 g_assert (references [idx - 1]);
5376 if (references [idx - 1] == (gpointer)-1)
5379 /* FIXME: Cycle detection */
5380 return mono_class_from_name (references [idx - 1]->image, name_space, name);
5382 g_error ("not yet implemented");
5386 token = MONO_TOKEN_TYPE_DEF | token;
5388 class = mono_class_get (image, token);
5390 return return_nested_in (class, nested);
5395 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
5396 gboolean check_interfaces)
5398 g_assert (klassc->idepth > 0);
5399 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
5400 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
5402 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
5405 for (i = 0; i < klass->interface_count; i ++) {
5406 MonoClass *ic = klass->interfaces [i];
5411 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
5416 * MS.NET thinks interfaces are a subclass of Object, so we think it as
5419 if (klassc == mono_defaults.object_class)
5426 mono_class_has_variant_generic_params (MonoClass *klass)
5429 MonoGenericContainer *container;
5431 if (!klass->generic_class)
5434 container = klass->generic_class->container_class->generic_container;
5436 for (i = 0; i < container->type_argc; ++i)
5437 if (container->type_params [i].flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT))
5444 * mono_class_is_assignable_from:
5445 * @klass: the class to be assigned to
5446 * @oklass: the source class
5448 * Return: true if an instance of object oklass can be assigned to an
5449 * instance of object @klass
5452 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
5455 mono_class_init (klass);
5457 if (!oklass->inited)
5458 mono_class_init (oklass);
5460 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
5461 return klass == oklass;
5463 if (MONO_CLASS_IS_INTERFACE (klass)) {
5464 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
5467 /* interface_offsets might not be set for dynamic classes */
5468 if (oklass->reflection_info && !oklass->interface_bitmap)
5470 * oklass might be a generic type parameter but they have
5471 * interface_offsets set.
5473 return mono_reflection_call_is_assignable_to (oklass, klass);
5475 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
5478 if (mono_class_has_variant_generic_params (klass)) {
5479 if (oklass->generic_class) {
5481 gboolean match = FALSE;
5482 MonoClass *container_class1 = klass->generic_class->container_class;
5483 MonoClass *container_class2 = oklass->generic_class->container_class;
5486 * Check whenever the generic definition of oklass implements the
5487 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
5488 * here since the relevant tables are not set up.
5490 for (i = 0; i < container_class2->interface_offsets_count; ++i)
5491 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)))
5495 MonoGenericContainer *container;
5497 container = klass->generic_class->container_class->generic_container;
5500 for (i = 0; i < container->type_argc; ++i) {
5501 MonoClass *param1_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
5502 MonoClass *param2_class = mono_class_from_mono_type (oklass->generic_class->context.class_inst->type_argv [i]);
5505 * The _VARIANT and _COVARIANT constants should read _COVARIANT and
5506 * _CONTRAVARIANT, but they are in a public header so we can't fix it.
5508 if (param1_class != param2_class) {
5509 if ((container->type_params [i].flags & MONO_GEN_PARAM_VARIANT) && mono_class_is_assignable_from (param1_class, param2_class))
5511 else if (((container->type_params [i].flags & MONO_GEN_PARAM_COVARIANT) && mono_class_is_assignable_from (param2_class, param1_class)))
5523 } else if (klass->rank) {
5524 MonoClass *eclass, *eoclass;
5526 if (oklass->rank != klass->rank)
5529 /* vectors vs. one dimensional arrays */
5530 if (oklass->byval_arg.type != klass->byval_arg.type)
5533 eclass = klass->cast_class;
5534 eoclass = oklass->cast_class;
5537 * a is b does not imply a[] is b[] when a is a valuetype, and
5538 * b is a reference type.
5541 if (eoclass->valuetype) {
5542 if ((eclass == mono_defaults.enum_class) ||
5543 (eclass == mono_defaults.enum_class->parent) ||
5544 (eclass == mono_defaults.object_class))
5548 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
5549 } else if (mono_class_is_nullable (klass))
5550 return (mono_class_is_assignable_from (klass->cast_class, oklass));
5551 else if (klass == mono_defaults.object_class)
5554 return mono_class_has_parent (oklass, klass);
5558 * mono_class_get_cctor:
5559 * @klass: A MonoClass pointer
5561 * Returns: the static constructor of @klass if it exists, NULL otherwise.
5564 mono_class_get_cctor (MonoClass *klass)
5566 MonoCachedClassInfo cached_info;
5568 if (!klass->has_cctor)
5571 if (mono_class_get_cached_class_info (klass, &cached_info))
5572 return mono_get_method (klass->image, cached_info.cctor_token, klass);
5574 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
5578 * mono_class_get_finalizer:
5579 * @klass: The MonoClass pointer
5581 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
5584 mono_class_get_finalizer (MonoClass *klass)
5586 MonoCachedClassInfo cached_info;
5589 mono_class_init (klass);
5590 if (!klass->has_finalize)
5593 if (mono_class_get_cached_class_info (klass, &cached_info))
5594 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
5596 mono_class_setup_vtable (klass);
5597 return klass->vtable [finalize_slot];
5602 * mono_class_needs_cctor_run:
5603 * @klass: the MonoClass pointer
5604 * @caller: a MonoMethod describing the caller
5606 * Determines whenever the class has a static constructor and whenever it
5607 * needs to be called when executing CALLER.
5610 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
5614 method = mono_class_get_cctor (klass);
5616 return (method == caller) ? FALSE : TRUE;
5622 * mono_class_array_element_size:
5625 * Returns: the number of bytes an element of type @klass
5626 * uses when stored into an array.
5629 mono_class_array_element_size (MonoClass *klass)
5631 MonoType *type = &klass->byval_arg;
5634 switch (type->type) {
5637 case MONO_TYPE_BOOLEAN:
5641 case MONO_TYPE_CHAR:
5650 case MONO_TYPE_CLASS:
5651 case MONO_TYPE_STRING:
5652 case MONO_TYPE_OBJECT:
5653 case MONO_TYPE_SZARRAY:
5654 case MONO_TYPE_ARRAY:
5656 case MONO_TYPE_MVAR:
5657 return sizeof (gpointer);
5662 case MONO_TYPE_VALUETYPE:
5663 if (type->data.klass->enumtype) {
5664 type = type->data.klass->enum_basetype;
5665 klass = klass->element_class;
5668 return mono_class_instance_size (klass) - sizeof (MonoObject);
5669 case MONO_TYPE_GENERICINST:
5670 type = &type->data.generic_class->container_class->byval_arg;
5673 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
5679 * mono_array_element_size:
5680 * @ac: pointer to a #MonoArrayClass
5682 * Returns: the size of single array element.
5685 mono_array_element_size (MonoClass *ac)
5687 g_assert (ac->rank);
5688 return ac->sizes.element_size;
5692 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
5693 MonoGenericContext *context)
5695 if (image->dynamic) {
5696 MonoClass *tmp_handle_class;
5697 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
5699 g_assert (tmp_handle_class);
5701 *handle_class = tmp_handle_class;
5703 if (tmp_handle_class == mono_defaults.typehandle_class)
5704 return &((MonoClass*)obj)->byval_arg;
5709 switch (token & 0xff000000) {
5710 case MONO_TOKEN_TYPE_DEF:
5711 case MONO_TOKEN_TYPE_REF:
5712 case MONO_TOKEN_TYPE_SPEC: {
5715 *handle_class = mono_defaults.typehandle_class;
5716 type = mono_type_get_full (image, token, context);
5719 mono_class_init (mono_class_from_mono_type (type));
5720 /* We return a MonoType* as handle */
5723 case MONO_TOKEN_FIELD_DEF: {
5725 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
5727 *handle_class = mono_defaults.fieldhandle_class;
5728 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
5731 mono_class_init (class);
5732 return mono_class_get_field (class, token);
5734 case MONO_TOKEN_METHOD_DEF:
5735 case MONO_TOKEN_METHOD_SPEC: {
5737 meth = mono_get_method_full (image, token, NULL, context);
5739 *handle_class = mono_defaults.methodhandle_class;
5742 case MONO_TOKEN_MEMBER_REF: {
5743 guint32 cols [MONO_MEMBERREF_SIZE];
5745 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
5746 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
5747 mono_metadata_decode_blob_size (sig, &sig);
5748 if (*sig == 0x6) { /* it's a field */
5750 MonoClassField *field;
5751 field = mono_field_from_token (image, token, &klass, context);
5753 *handle_class = mono_defaults.fieldhandle_class;
5757 meth = mono_get_method_full (image, token, NULL, context);
5759 *handle_class = mono_defaults.methodhandle_class;
5764 g_warning ("Unknown token 0x%08x in ldtoken", token);
5771 * This function might need to call runtime functions so it can't be part
5772 * of the metadata library.
5774 static MonoLookupDynamicToken lookup_dynamic = NULL;
5777 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
5779 lookup_dynamic = func;
5783 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
5785 MonoClass *handle_class;
5787 return lookup_dynamic (image, token, TRUE, &handle_class, context);
5791 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
5793 return lookup_dynamic (image, token, valid_token, handle_class, context);
5796 static MonoGetCachedClassInfo get_cached_class_info = NULL;
5799 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
5801 get_cached_class_info = func;
5805 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
5807 if (!get_cached_class_info)
5810 return get_cached_class_info (klass, res);
5814 mono_install_get_class_from_name (MonoGetClassFromName func)
5816 get_class_from_name = func;
5820 mono_class_get_image (MonoClass *klass)
5822 return klass->image;
5826 * mono_class_get_element_class:
5827 * @klass: the MonoClass to act on
5829 * Returns: the element class of an array or an enumeration.
5832 mono_class_get_element_class (MonoClass *klass)
5834 return klass->element_class;
5838 * mono_class_is_valuetype:
5839 * @klass: the MonoClass to act on
5841 * Returns: true if the MonoClass represents a ValueType.
5844 mono_class_is_valuetype (MonoClass *klass)
5846 return klass->valuetype;
5850 * mono_class_is_enum:
5851 * @klass: the MonoClass to act on
5853 * Returns: true if the MonoClass represents an enumeration.
5856 mono_class_is_enum (MonoClass *klass)
5858 return klass->enumtype;
5862 * mono_class_enum_basetype:
5863 * @klass: the MonoClass to act on
5865 * Returns: the underlying type representation for an enumeration.
5868 mono_class_enum_basetype (MonoClass *klass)
5870 return klass->enum_basetype;
5874 * mono_class_get_parent
5875 * @klass: the MonoClass to act on
5877 * Returns: the parent class for this class.
5880 mono_class_get_parent (MonoClass *klass)
5882 return klass->parent;
5886 * mono_class_get_nesting_type;
5887 * @klass: the MonoClass to act on
5889 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
5892 mono_class_get_nesting_type (MonoClass *klass)
5894 return klass->nested_in;
5898 * mono_class_get_rank:
5899 * @klass: the MonoClass to act on
5901 * Returns: the rank for the array (the number of dimensions).
5904 mono_class_get_rank (MonoClass *klass)
5910 * mono_class_get_flags:
5911 * @klass: the MonoClass to act on
5913 * The type flags from the TypeDef table from the metadata.
5914 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
5917 * Returns: the flags from the TypeDef table.
5920 mono_class_get_flags (MonoClass *klass)
5922 return klass->flags;
5926 * mono_class_get_name
5927 * @klass: the MonoClass to act on
5929 * Returns: the name of the class.
5932 mono_class_get_name (MonoClass *klass)
5938 * mono_class_get_namespace:
5939 * @klass: the MonoClass to act on
5941 * Returns: the namespace of the class.
5944 mono_class_get_namespace (MonoClass *klass)
5946 return klass->name_space;
5950 * mono_class_get_type:
5951 * @klass: the MonoClass to act on
5953 * This method returns the internal Type representation for the class.
5955 * Returns: the MonoType from the class.
5958 mono_class_get_type (MonoClass *klass)
5960 return &klass->byval_arg;
5964 * mono_class_get_type_token
5965 * @klass: the MonoClass to act on
5967 * This method returns type token for the class.
5969 * Returns: the type token for the class.
5972 mono_class_get_type_token (MonoClass *klass)
5974 return klass->type_token;
5978 * mono_class_get_byref_type:
5979 * @klass: the MonoClass to act on
5984 mono_class_get_byref_type (MonoClass *klass)
5986 return &klass->this_arg;
5990 * mono_class_num_fields:
5991 * @klass: the MonoClass to act on
5993 * Returns: the number of static and instance fields in the class.
5996 mono_class_num_fields (MonoClass *klass)
5998 return klass->field.count;
6002 * mono_class_num_methods:
6003 * @klass: the MonoClass to act on
6005 * Returns: the number of methods in the class.
6008 mono_class_num_methods (MonoClass *klass)
6010 return klass->method.count;
6014 * mono_class_num_properties
6015 * @klass: the MonoClass to act on
6017 * Returns: the number of properties in the class.
6020 mono_class_num_properties (MonoClass *klass)
6022 mono_class_setup_properties (klass);
6024 return klass->property.count;
6028 * mono_class_num_events:
6029 * @klass: the MonoClass to act on
6031 * Returns: the number of events in the class.
6034 mono_class_num_events (MonoClass *klass)
6036 mono_class_setup_events (klass);
6038 return klass->event.count;
6042 * mono_class_get_fields:
6043 * @klass: the MonoClass to act on
6045 * This routine is an iterator routine for retrieving the fields in a class.
6047 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6048 * iterate over all of the elements. When no more values are
6049 * available, the return value is NULL.
6051 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6054 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6056 MonoClassField* field;
6059 mono_class_setup_fields_locking (klass);
6061 /* start from the first */
6062 if (klass->field.count) {
6063 return *iter = &klass->fields [0];
6071 if (field < &klass->fields [klass->field.count]) {
6072 return *iter = field;
6078 * mono_class_get_methods
6079 * @klass: the MonoClass to act on
6081 * This routine is an iterator routine for retrieving the fields in a class.
6083 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6084 * iterate over all of the elements. When no more values are
6085 * available, the return value is NULL.
6087 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6090 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6092 MonoMethod** method;
6096 mono_class_init (klass);
6098 mono_class_setup_methods (klass);
6099 /* start from the first */
6100 if (klass->method.count) {
6101 *iter = &klass->methods [0];
6102 return klass->methods [0];
6110 if (method < &klass->methods [klass->method.count]) {
6118 * mono_class_get_properties:
6119 * @klass: the MonoClass to act on
6121 * This routine is an iterator routine for retrieving the properties in a class.
6123 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6124 * iterate over all of the elements. When no more values are
6125 * available, the return value is NULL.
6127 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6130 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6132 MonoProperty* property;
6136 mono_class_init (klass);
6138 mono_class_setup_properties (klass);
6139 /* start from the first */
6140 if (klass->property.count) {
6141 return *iter = &klass->properties [0];
6149 if (property < &klass->properties [klass->property.count]) {
6150 return *iter = property;
6156 * mono_class_get_events:
6157 * @klass: the MonoClass to act on
6159 * This routine is an iterator routine for retrieving the properties in a class.
6161 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6162 * iterate over all of the elements. When no more values are
6163 * available, the return value is NULL.
6165 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6168 mono_class_get_events (MonoClass* klass, gpointer *iter)
6174 mono_class_init (klass);
6176 mono_class_setup_events (klass);
6177 /* start from the first */
6178 if (klass->event.count) {
6179 return *iter = &klass->events [0];
6187 if (event < &klass->events [klass->event.count]) {
6188 return *iter = event;
6194 * mono_class_get_interfaces
6195 * @klass: the MonoClass to act on
6197 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6199 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6200 * iterate over all of the elements. When no more values are
6201 * available, the return value is NULL.
6203 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6206 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6212 mono_class_init (klass);
6214 /* start from the first */
6215 if (klass->interface_count) {
6216 *iter = &klass->interfaces [0];
6217 return klass->interfaces [0];
6225 if (iface < &klass->interfaces [klass->interface_count]) {
6233 * mono_class_get_nested_types
6234 * @klass: the MonoClass to act on
6236 * This routine is an iterator routine for retrieving the nested types of a class.
6237 * This works only if @klass is non-generic, or a generic type definition.
6239 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6240 * iterate over all of the elements. When no more values are
6241 * available, the return value is NULL.
6243 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6246 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6252 mono_class_init (klass);
6254 /* start from the first */
6255 if (klass->nested_classes) {
6256 *iter = klass->nested_classes;
6257 return klass->nested_classes->data;
6259 /* no nested types */
6273 * mono_field_get_name:
6274 * @field: the MonoClassField to act on
6276 * Returns: the name of the field.
6279 mono_field_get_name (MonoClassField *field)
6285 * mono_field_get_type:
6286 * @field: the MonoClassField to act on
6288 * Returns: MonoType of the field.
6291 mono_field_get_type (MonoClassField *field)
6297 * mono_field_get_type:
6298 * @field: the MonoClassField to act on
6300 * Returns: MonoClass where the field was defined.
6303 mono_field_get_parent (MonoClassField *field)
6305 return field->parent;
6309 * mono_field_get_flags;
6310 * @field: the MonoClassField to act on
6312 * The metadata flags for a field are encoded using the
6313 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6315 * Returns: the flags for the field.
6318 mono_field_get_flags (MonoClassField *field)
6320 return field->type->attrs;
6324 * mono_field_get_offset;
6325 * @field: the MonoClassField to act on
6327 * Returns: the field offset.
6330 mono_field_get_offset (MonoClassField *field)
6332 return field->offset;
6336 * mono_field_get_data;
6337 * @field: the MonoClassField to act on
6339 * Returns: pointer to the metadata constant value or to the field
6340 * data if it has an RVA flag.
6343 mono_field_get_data (MonoClassField *field)
6349 * mono_property_get_name:
6350 * @prop: the MonoProperty to act on
6352 * Returns: the name of the property
6355 mono_property_get_name (MonoProperty *prop)
6361 * mono_property_get_set_method
6362 * @prop: the MonoProperty to act on.
6364 * Returns: the setter method of the property (A MonoMethod)
6367 mono_property_get_set_method (MonoProperty *prop)
6373 * mono_property_get_get_method
6374 * @prop: the MonoProperty to act on.
6376 * Returns: the setter method of the property (A MonoMethod)
6379 mono_property_get_get_method (MonoProperty *prop)
6385 * mono_property_get_parent:
6386 * @prop: the MonoProperty to act on.
6388 * Returns: the MonoClass where the property was defined.
6391 mono_property_get_parent (MonoProperty *prop)
6393 return prop->parent;
6397 * mono_property_get_flags:
6398 * @prop: the MonoProperty to act on.
6400 * The metadata flags for a property are encoded using the
6401 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6403 * Returns: the flags for the property.
6406 mono_property_get_flags (MonoProperty *prop)
6412 * mono_event_get_name:
6413 * @event: the MonoEvent to act on
6415 * Returns: the name of the event.
6418 mono_event_get_name (MonoEvent *event)
6424 * mono_event_get_add_method:
6425 * @event: The MonoEvent to act on.
6427 * Returns: the @add' method for the event (a MonoMethod).
6430 mono_event_get_add_method (MonoEvent *event)
6436 * mono_event_get_remove_method:
6437 * @event: The MonoEvent to act on.
6439 * Returns: the @remove method for the event (a MonoMethod).
6442 mono_event_get_remove_method (MonoEvent *event)
6444 return event->remove;
6448 * mono_event_get_raise_method:
6449 * @event: The MonoEvent to act on.
6451 * Returns: the @raise method for the event (a MonoMethod).
6454 mono_event_get_raise_method (MonoEvent *event)
6456 return event->raise;
6460 * mono_event_get_parent:
6461 * @event: the MonoEvent to act on.
6463 * Returns: the MonoClass where the event is defined.
6466 mono_event_get_parent (MonoEvent *event)
6468 return event->parent;
6472 * mono_event_get_flags
6473 * @event: the MonoEvent to act on.
6475 * The metadata flags for an event are encoded using the
6476 * EVENT_* constants. See the tabledefs.h file for details.
6478 * Returns: the flags for the event.
6481 mono_event_get_flags (MonoEvent *event)
6483 return event->attrs;
6487 * mono_class_get_method_from_name:
6488 * @klass: where to look for the method
6489 * @name_space: name of the method
6490 * @param_count: number of parameters. -1 for any number.
6492 * Obtains a MonoMethod with a given name and number of parameters.
6493 * It only works if there are no multiple signatures for any given method name.
6496 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
6498 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
6502 * mono_class_get_method_from_name_flags:
6503 * @klass: where to look for the method
6504 * @name_space: name of the method
6505 * @param_count: number of parameters. -1 for any number.
6506 * @flags: flags which must be set in the method
6508 * Obtains a MonoMethod with a given name and number of parameters.
6509 * It only works if there are no multiple signatures for any given method name.
6512 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
6514 MonoMethod *res = NULL;
6517 mono_class_init (klass);
6519 if (klass->methods) {
6520 mono_class_setup_methods (klass);
6521 for (i = 0; i < klass->method.count; ++i) {
6522 MonoMethod *method = klass->methods [i];
6524 if (method->name[0] == name [0] &&
6525 !strcmp (name, method->name) &&
6526 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
6527 ((method->flags & flags) == flags)) {
6534 /* Search directly in the metadata to avoid calling setup_methods () */
6535 for (i = 0; i < klass->method.count; ++i) {
6536 guint32 cols [MONO_METHOD_SIZE];
6539 /* class->method.first points into the methodptr table */
6540 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6542 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
6543 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6544 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
6556 * mono_class_set_failure:
6557 * @klass: class in which the failure was detected
6558 * @ex_type: the kind of exception/error to be thrown (later)
6559 * @ex_data: exception data (specific to each type of exception/error)
6561 * Keep a detected failure informations in the class for later processing.
6562 * Note that only the first failure is kept.
6565 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
6567 if (klass->exception_type)
6569 klass->exception_type = ex_type;
6570 klass->exception_data = ex_data;
6575 * mono_classes_init:
6577 * Initialize the resources used by this module.
6580 mono_classes_init (void)
6585 * mono_classes_cleanup:
6587 * Free the resources used by this module.
6590 mono_classes_cleanup (void)
6592 IOffsetInfo *cached_info, *next;
6594 if (global_interface_bitset)
6595 mono_bitset_free (global_interface_bitset);
6597 for (cached_info = cached_offset_info; cached_info;) {
6598 next = cached_info->next;
6600 g_free (cached_info);
6606 * mono_class_get_exception_for_failure:
6607 * @klass: class in which the failure was detected
6609 * Return a constructed MonoException than the caller can then throw
6610 * using mono_raise_exception - or NULL if no failure is present (or
6611 * doesn't result in an exception).
6614 mono_class_get_exception_for_failure (MonoClass *klass)
6616 switch (klass->exception_type) {
6617 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
6618 MonoDomain *domain = mono_domain_get ();
6619 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6620 MonoMethod *method = klass->exception_data;
6621 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
6622 MonoObject *exc = NULL;
6626 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
6627 args [2] = mono_type_get_object (domain, &klass->byval_arg);
6628 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
6630 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
6631 return (MonoException*) exc;
6633 case MONO_EXCEPTION_TYPE_LOAD: {
6636 char *str = mono_type_get_full_name (klass);
6637 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
6638 name = mono_string_new (mono_domain_get (), str);
6640 ex = mono_get_exception_type_load (name, astr);
6644 case MONO_EXCEPTION_MISSING_METHOD: {
6645 char *class_name = klass->exception_data;
6646 char *assembly_name = class_name + strlen (class_name) + 1;
6648 return mono_get_exception_missing_method (class_name, assembly_name);
6650 case MONO_EXCEPTION_MISSING_FIELD: {
6651 char *class_name = klass->exception_data;
6652 char *member_name = class_name + strlen (class_name) + 1;
6654 return mono_get_exception_missing_field (class_name, member_name);
6656 case MONO_EXCEPTION_FILE_NOT_FOUND: {
6657 char *msg_format = klass->exception_data;
6658 char *assembly_name = msg_format + strlen (msg_format) + 1;
6659 char *msg = g_strdup_printf (msg_format, assembly_name);
6662 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
6668 case MONO_EXCEPTION_BAD_IMAGE: {
6669 return mono_get_exception_bad_image_format (klass->exception_data);
6672 MonoLoaderError *error;
6675 error = mono_loader_get_last_error ();
6677 ex = mono_loader_error_prepare_exception (error);
6681 /* TODO - handle other class related failures */
6688 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
6691 if (accessing == accessed)
6693 if (!accessed || !accessing)
6695 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
6696 MonoAssemblyName *friend = tmp->data;
6697 /* Be conservative with checks */
6700 if (strcmp (accessing->aname.name, friend->name))
6702 if (friend->public_key_token [0]) {
6703 if (!accessing->aname.public_key_token [0])
6705 if (strcmp ((char*)friend->public_key_token, (char*)accessing->aname.public_key_token))
6714 * If klass is a generic type or if it is derived from a generic type, return the
6715 * MonoClass of the generic definition
6716 * Returns NULL if not found
6719 get_generic_definition_class (MonoClass *klass)
6722 if (klass->generic_class && klass->generic_class->container_class)
6723 return klass->generic_class->container_class;
6724 klass = klass->parent;
6729 /* FIXME: check visibility of type, too */
6731 can_access_member (MonoClass *access_klass, MonoClass *member_klass, int access_level)
6733 MonoClass *member_generic_def;
6734 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
6735 access_klass->generic_container) &&
6736 (member_generic_def = get_generic_definition_class (member_klass))) {
6737 MonoClass *access_container;
6739 if (access_klass->generic_container)
6740 access_container = access_klass;
6742 access_container = access_klass->generic_class->container_class;
6744 if (can_access_member (access_container, member_generic_def, access_level))
6748 /* Partition I 8.5.3.2 */
6749 /* the access level values are the same for fields and methods */
6750 switch (access_level) {
6751 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
6752 /* same compilation unit */
6753 return access_klass->image == member_klass->image;
6754 case FIELD_ATTRIBUTE_PRIVATE:
6755 return access_klass == member_klass;
6756 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
6757 if (mono_class_has_parent (access_klass, member_klass) &&
6758 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
6761 case FIELD_ATTRIBUTE_ASSEMBLY:
6762 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
6763 case FIELD_ATTRIBUTE_FAMILY:
6764 if (mono_class_has_parent (access_klass, member_klass))
6767 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
6768 if (mono_class_has_parent (access_klass, member_klass))
6770 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
6771 case FIELD_ATTRIBUTE_PUBLIC:
6778 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
6780 /* FIXME: check all overlapping fields */
6781 int can = can_access_member (method->klass, field->parent, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
6783 MonoClass *nested = method->klass->nested_in;
6785 can = can_access_member (nested, field->parent, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
6788 nested = nested->nested_in;
6795 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
6797 int can = can_access_member (method->klass, called->klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
6799 MonoClass *nested = method->klass->nested_in;
6801 can = can_access_member (nested, called->klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
6804 nested = nested->nested_in;
6809 * with generics calls to explicit interface implementations can be expressed
6810 * directly: the method is private, but we must allow it. This may be opening
6811 * a hole or the generics code should handle this differently.
6812 * Maybe just ensure the interface type is public.
6814 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
6820 * mono_type_is_valid_enum_basetype:
6821 * @type: The MonoType to check
6823 * Returns: TRUE if the type can be used as the basetype of an enum
6825 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
6826 switch (type->type) {
6829 case MONO_TYPE_BOOLEAN:
6832 case MONO_TYPE_CHAR:
6845 * mono_class_is_valid_enum:
6846 * @klass: An enum class to be validated
6848 * This method verify the required properties an enum should have.
6850 * Returns: TRUE if the informed enum class is valid
6852 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
6853 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
6854 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
6856 gboolean mono_class_is_valid_enum (MonoClass *klass) {
6857 MonoClassField * field;
6858 gpointer iter = NULL;
6859 gboolean found_base_field = FALSE;
6861 g_assert (klass->enumtype);
6862 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
6863 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
6867 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
6870 while ((field = mono_class_get_fields (klass, &iter))) {
6871 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
6872 if (found_base_field)
6874 found_base_field = TRUE;
6875 if (!mono_type_is_valid_enum_basetype (field->type))
6880 if (!found_base_field)
6883 if (klass->method.count > 0)
6890 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
6892 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
6896 * mono_class_generic_sharing_enabled:
6899 * Returns whether generic sharing is enabled for class.
6901 * This is a stop-gap measure to slowly introduce generic sharing
6902 * until we have all the issues sorted out, at which time this
6903 * function will disappear and generic sharing will always be enabled.
6906 mono_class_generic_sharing_enabled (MonoClass *class)
6908 static int generic_sharing = MONO_GENERIC_SHARING_CORLIB;
6909 static gboolean inited = FALSE;
6914 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
6915 if (strcmp (option, "corlib") == 0)
6916 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
6917 else if (strcmp (option, "all") == 0)
6918 generic_sharing = MONO_GENERIC_SHARING_ALL;
6919 else if (strcmp (option, "none") == 0)
6920 generic_sharing = MONO_GENERIC_SHARING_NONE;
6922 g_warning ("Unknown generic sharing option `%s'.", option);
6928 switch (generic_sharing) {
6929 case MONO_GENERIC_SHARING_NONE:
6931 case MONO_GENERIC_SHARING_ALL:
6933 case MONO_GENERIC_SHARING_CORLIB :
6934 return class->image == mono_defaults.corlib;
6936 g_assert_not_reached ();