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);
1340 if (MONO_CLASS_IS_INTERFACE (class))
1341 for (i = 0; i < class->method.count; ++i)
1342 methods [i]->slot = i;
1344 /* Leave this assignment as the last op in this function */
1345 class->methods = methods;
1347 if (mono_debugger_class_loaded_methods_func)
1348 mono_debugger_class_loaded_methods_func (class);
1350 mono_loader_unlock ();
1355 mono_class_setup_properties (MonoClass *class)
1357 guint startm, endm, i, j;
1358 guint32 cols [MONO_PROPERTY_SIZE];
1359 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1360 MonoProperty *properties;
1363 if (class->properties)
1366 mono_loader_lock ();
1368 if (class->properties) {
1369 mono_loader_unlock ();
1373 if (class->generic_class) {
1374 MonoClass *gklass = class->generic_class->container_class;
1376 class->property = gklass->property;
1378 mono_class_init (gklass);
1379 mono_class_setup_properties (gklass);
1381 properties = g_new0 (MonoProperty, class->property.count + 1);
1383 for (i = 0; i < class->property.count; i++) {
1384 MonoProperty *prop = &properties [i];
1386 *prop = gklass->properties [i];
1389 prop->get = mono_class_inflate_generic_method_full (
1390 prop->get, class, mono_class_get_context (class));
1392 prop->set = mono_class_inflate_generic_method_full (
1393 prop->set, class, mono_class_get_context (class));
1395 prop->parent = class;
1398 class->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1399 class->property.count = last - class->property.first;
1401 if (class->property.count)
1402 mono_class_setup_methods (class);
1404 properties = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoProperty) * class->property.count);
1405 for (i = class->property.first; i < last; ++i) {
1406 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1407 properties [i - class->property.first].parent = class;
1408 properties [i - class->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1409 properties [i - class->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1411 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1412 for (j = startm; j < endm; ++j) {
1415 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1417 if (class->image->uncompressed_metadata)
1418 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1419 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1421 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1423 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1424 case METHOD_SEMANTIC_SETTER:
1425 properties [i - class->property.first].set = method;
1427 case METHOD_SEMANTIC_GETTER:
1428 properties [i - class->property.first].get = method;
1437 /* Leave this assignment as the last op in the function */
1438 class->properties = properties;
1440 mono_loader_unlock ();
1444 inflate_method_listz (MonoMethod **methods, MonoClass *class, MonoGenericContext *context)
1446 MonoMethod **om, **retval;
1449 for (om = methods, count = 0; *om; ++om, ++count)
1452 retval = g_new0 (MonoMethod*, count + 1);
1454 for (om = methods, count = 0; *om; ++om, ++count)
1455 retval [count] = mono_class_inflate_generic_method_full (*om, class, context);
1461 mono_class_setup_events (MonoClass *class)
1463 guint startm, endm, i, j;
1464 guint32 cols [MONO_EVENT_SIZE];
1465 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1472 mono_loader_lock ();
1474 if (class->events) {
1475 mono_loader_unlock ();
1479 if (class->generic_class) {
1480 MonoClass *gklass = class->generic_class->container_class;
1481 MonoGenericContext *context;
1483 mono_class_setup_events (gklass);
1484 class->event = gklass->event;
1486 class->events = g_new0 (MonoEvent, class->event.count);
1488 if (class->event.count)
1489 context = mono_class_get_context (class);
1491 for (i = 0; i < class->event.count; i++) {
1492 MonoEvent *event = &class->events [i];
1493 MonoEvent *gevent = &gklass->events [i];
1495 event->parent = class;
1496 event->name = gevent->name;
1497 event->add = gevent->add ? mono_class_inflate_generic_method_full (gevent->add, class, context) : NULL;
1498 event->remove = gevent->remove ? mono_class_inflate_generic_method_full (gevent->remove, class, context) : NULL;
1499 event->raise = gevent->raise ? mono_class_inflate_generic_method_full (gevent->raise, class, context) : NULL;
1500 event->other = gevent->other ? inflate_method_listz (gevent->other, class, context) : NULL;
1501 event->attrs = gevent->attrs;
1504 mono_loader_unlock ();
1508 class->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1509 class->event.count = last - class->event.first;
1511 if (class->event.count)
1512 mono_class_setup_methods (class);
1514 events = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoEvent) * class->event.count);
1515 for (i = class->event.first; i < last; ++i) {
1516 MonoEvent *event = &events [i - class->event.first];
1518 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1519 event->parent = class;
1520 event->attrs = cols [MONO_EVENT_FLAGS];
1521 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
1523 startm = mono_metadata_methods_from_event (class->image, i, &endm);
1524 for (j = startm; j < endm; ++j) {
1527 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1529 if (class->image->uncompressed_metadata)
1530 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1531 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1533 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1535 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1536 case METHOD_SEMANTIC_ADD_ON:
1537 event->add = method;
1539 case METHOD_SEMANTIC_REMOVE_ON:
1540 event->remove = method;
1542 case METHOD_SEMANTIC_FIRE:
1543 event->raise = method;
1545 case METHOD_SEMANTIC_OTHER: {
1548 if (event->other == NULL) {
1549 event->other = g_new0 (MonoMethod*, 2);
1551 while (event->other [n])
1553 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
1555 event->other [n] = method;
1556 /* NULL terminated */
1557 event->other [n + 1] = NULL;
1565 /* Leave this assignment as the last op in the function */
1566 class->events = events;
1568 mono_loader_unlock ();
1572 * Global pool of interface IDs, represented as a bitset.
1573 * LOCKING: this is supposed to be accessed with the loader lock held.
1575 static MonoBitSet *global_interface_bitset = NULL;
1578 * mono_unload_interface_ids:
1579 * @bitset: bit set of interface IDs
1581 * When an image is unloaded, the interface IDs associated with
1582 * the image are put back in the global pool of IDs so the numbers
1586 mono_unload_interface_ids (MonoBitSet *bitset)
1588 mono_loader_lock ();
1589 mono_bitset_sub (global_interface_bitset, bitset);
1590 mono_loader_unlock ();
1594 * mono_get_unique_iid:
1597 * Assign a unique integer ID to the interface represented by @class.
1598 * The ID will positive and as small as possible.
1599 * LOCKING: this is supposed to be called with the loader lock held.
1600 * Returns: the new ID.
1603 mono_get_unique_iid (MonoClass *class)
1607 g_assert (MONO_CLASS_IS_INTERFACE (class));
1609 if (!global_interface_bitset) {
1610 global_interface_bitset = mono_bitset_new (128, 0);
1613 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
1615 int old_size = mono_bitset_size (global_interface_bitset);
1616 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
1617 mono_bitset_free (global_interface_bitset);
1618 global_interface_bitset = new_set;
1621 mono_bitset_set (global_interface_bitset, iid);
1622 /* set the bit also in the per-image set */
1623 if (class->image->interface_bitset) {
1624 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
1625 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
1626 mono_bitset_free (class->image->interface_bitset);
1627 class->image->interface_bitset = new_set;
1630 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
1632 mono_bitset_set (class->image->interface_bitset, iid);
1634 if (mono_print_vtable) {
1636 char *type_name = mono_type_full_name (&class->byval_arg);
1637 if (class->generic_class && !class->generic_class->context.class_inst->is_open) {
1638 generic_id = class->generic_class->context.class_inst->id;
1639 g_assert (generic_id != 0);
1643 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
1647 g_assert (iid <= 65535);
1652 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
1657 for (i = 0; i < klass->interface_count; i++) {
1658 ic = klass->interfaces [i];
1661 *res = g_ptr_array_new ();
1662 g_ptr_array_add (*res, ic);
1663 mono_class_init (ic);
1665 collect_implemented_interfaces_aux (ic, res);
1670 mono_class_get_implemented_interfaces (MonoClass *klass)
1672 GPtrArray *res = NULL;
1674 collect_implemented_interfaces_aux (klass, &res);
1678 typedef struct _IOffsetInfo IOffsetInfo;
1679 struct _IOffsetInfo {
1683 int data [MONO_ZERO_LEN_ARRAY];
1686 static IOffsetInfo *cached_offset_info = NULL;
1687 static int next_offset_info_size = 128;
1690 cache_interface_offsets (int max_iid, int *data)
1692 IOffsetInfo *cached_info;
1695 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1696 cached = cached_info->data;
1697 while (cached < cached_info->data + cached_info->size && *cached) {
1698 if (*cached == max_iid) {
1699 int i, matched = TRUE;
1701 for (i = 0; i < max_iid; ++i) {
1702 if (cached [i] != data [i]) {
1711 cached += *cached + 1;
1715 /* find a free slot */
1716 for (cached_info = cached_offset_info; cached_info; cached_info = cached_info->next) {
1717 if (cached_info->size - cached_info->next_free >= max_iid + 1) {
1718 cached = &cached_info->data [cached_info->next_free];
1719 *cached++ = max_iid;
1720 memcpy (cached, data, max_iid * sizeof (int));
1721 cached_info->next_free += max_iid + 1;
1725 /* allocate a new chunk */
1726 if (max_iid + 1 < next_offset_info_size) {
1727 new_size = next_offset_info_size;
1728 if (next_offset_info_size < 4096)
1729 next_offset_info_size += next_offset_info_size >> 2;
1731 new_size = max_iid + 1;
1733 cached_info = g_malloc0 (sizeof (IOffsetInfo) + sizeof (int) * new_size);
1734 cached_info->size = new_size;
1735 /*g_print ("allocated %d offset entries at %p (total: %d)\n", new_size, cached_info->data, offset_info_total_size);*/
1736 cached = &cached_info->data [0];
1737 *cached++ = max_iid;
1738 memcpy (cached, data, max_iid * sizeof (int));
1739 cached_info->next_free += max_iid + 1;
1740 cached_info->next = cached_offset_info;
1741 cached_offset_info = cached_info;
1746 compare_interface_ids (const void *p_key, const void *p_element) {
1747 const MonoClass *key = p_key;
1748 const MonoClass *element = *(MonoClass**) p_element;
1750 return (key->interface_id - element->interface_id);
1754 mono_class_interface_offset (MonoClass *klass, MonoClass *itf) {
1755 MonoClass **result = bsearch (
1757 klass->interfaces_packed,
1758 klass->interface_offsets_count,
1759 sizeof (MonoClass *),
1760 compare_interface_ids);
1762 return klass->interface_offsets_packed [result - (klass->interfaces_packed)];
1769 print_implemented_interfaces (MonoClass *klass) {
1770 GPtrArray *ifaces = NULL;
1772 int ancestor_level = 0;
1774 printf ("Packed interface table for class %s has size %d\n", klass->name, klass->interface_offsets_count);
1775 for (i = 0; i < klass->interface_offsets_count; i++)
1776 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
1777 klass->interfaces_packed [i]->interface_id,
1778 klass->interface_offsets_packed [i],
1779 klass->interfaces_packed [i]->method.count,
1780 klass->interfaces_packed [i]->name_space,
1781 klass->interfaces_packed [i]->name );
1782 printf ("Interface flags: ");
1783 for (i = 0; i <= klass->max_interface_id; i++)
1784 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, i))
1785 printf ("(%d,T)", i);
1787 printf ("(%d,F)", i);
1789 printf ("Dump interface flags:");
1790 for (i = 0; i < ((((klass->max_interface_id + 1) >> 3)) + (((klass->max_interface_id + 1) & 7)? 1 :0)); i++)
1791 printf (" %02X", klass->interface_bitmap [i]);
1793 while (klass != NULL) {
1794 printf ("[LEVEL %d] Implemented interfaces by class %s:\n", ancestor_level, klass->name);
1795 ifaces = mono_class_get_implemented_interfaces (klass);
1797 for (i = 0; i < ifaces->len; i++) {
1798 MonoClass *ic = g_ptr_array_index (ifaces, i);
1799 printf (" [UIID %d] interface %s\n", ic->interface_id, ic->name);
1800 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
1802 mono_class_interface_offset (klass, ic),
1807 g_ptr_array_free (ifaces, TRUE);
1810 klass = klass->parent;
1814 /* this won't be needed once bug #325495 is completely fixed
1815 * though we'll need something similar to know which interfaces to allow
1816 * in arrays when they'll be lazyly created
1819 get_implicit_generic_array_interfaces (MonoClass *class, int *num, int *is_enumerator)
1821 MonoClass *eclass = class->element_class;
1822 static MonoClass* generic_icollection_class = NULL;
1823 static MonoClass* generic_ienumerable_class = NULL;
1824 static MonoClass* generic_ienumerator_class = NULL;
1825 MonoClass *fclass = NULL;
1826 MonoClass **interfaces = NULL;
1827 int i, interface_count, real_count;
1829 gboolean internal_enumerator;
1830 gboolean eclass_is_valuetype;
1832 if (!mono_defaults.generic_ilist_class) {
1836 internal_enumerator = FALSE;
1837 eclass_is_valuetype = FALSE;
1838 if (class->byval_arg.type != MONO_TYPE_SZARRAY) {
1839 if (class->generic_class && class->nested_in == mono_defaults.array_class && strcmp (class->name, "InternalEnumerator`1") == 0) {
1841 * For a Enumerator<T[]> we need to get the list of interfaces for T.
1843 eclass = mono_class_from_mono_type (class->generic_class->context.class_inst->type_argv [0]);
1844 eclass = eclass->element_class;
1845 internal_enumerator = TRUE;
1846 *is_enumerator = TRUE;
1854 * with this non-lazy impl we can't implement all the interfaces so we do just the minimal stuff
1855 * for deep levels of arrays of arrays (string[][] has all the interfaces, string[][][] doesn't)
1857 all_interfaces = eclass->rank && eclass->element_class->rank? FALSE: TRUE;
1859 if (!generic_icollection_class) {
1860 generic_icollection_class = mono_class_from_name (mono_defaults.corlib,
1861 "System.Collections.Generic", "ICollection`1");
1862 generic_ienumerable_class = mono_class_from_name (mono_defaults.corlib,
1863 "System.Collections.Generic", "IEnumerable`1");
1864 generic_ienumerator_class = mono_class_from_name (mono_defaults.corlib,
1865 "System.Collections.Generic", "IEnumerator`1");
1869 * Arrays in 2.0 need to implement a number of generic interfaces
1870 * (IList`1, ICollection`1, IEnumerable`1 for a number of types depending
1871 * on the element class). We collect the types needed to build the
1872 * instantiations in interfaces at intervals of 3, because 3 are
1873 * the generic interfaces needed to implement.
1875 if (eclass->valuetype) {
1876 if (eclass == mono_defaults.int16_class)
1877 fclass = mono_defaults.uint16_class;
1878 else if (eclass == mono_defaults.uint16_class)
1879 fclass = mono_defaults.int16_class;
1880 else if (eclass == mono_defaults.int32_class)
1881 fclass = mono_defaults.uint32_class;
1882 else if (eclass == mono_defaults.uint32_class)
1883 fclass = mono_defaults.int32_class;
1884 else if (eclass == mono_defaults.int64_class)
1885 fclass = mono_defaults.uint64_class;
1886 else if (eclass == mono_defaults.uint64_class)
1887 fclass = mono_defaults.int64_class;
1888 else if (eclass == mono_defaults.byte_class)
1889 fclass = mono_defaults.sbyte_class;
1890 else if (eclass == mono_defaults.sbyte_class)
1891 fclass = mono_defaults.byte_class;
1893 /* No additional interfaces for other value types */
1898 /* IList, ICollection, IEnumerable */
1899 real_count = interface_count = 3;
1900 interfaces = g_malloc0 (sizeof (MonoClass*) * interface_count);
1901 interfaces [0] = fclass;
1902 eclass_is_valuetype = TRUE;
1905 int idepth = eclass->idepth;
1906 if (!internal_enumerator)
1908 interface_count = all_interfaces? eclass->interface_offsets_count: eclass->interface_count;
1909 /* we add object for interfaces and the supertypes for the other
1910 * types. The last of the supertypes is the element class itself which we
1911 * already created the explicit interfaces for (so we include it for IEnumerator
1912 * and exclude it for arrays).
1914 if (MONO_CLASS_IS_INTERFACE (eclass))
1917 interface_count += idepth;
1918 /* IList, ICollection, IEnumerable */
1919 interface_count *= 3;
1920 real_count = interface_count;
1921 if (internal_enumerator)
1922 real_count += idepth + eclass->interface_offsets_count;
1923 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
1924 if (MONO_CLASS_IS_INTERFACE (eclass)) {
1925 interfaces [0] = mono_defaults.object_class;
1929 for (i = 0; i < idepth; i++) {
1930 mono_class_init (eclass->supertypes [i]);
1931 interfaces [j] = eclass->supertypes [i];
1935 if (all_interfaces) {
1936 for (i = 0; i < eclass->interface_offsets_count; i++) {
1937 interfaces [j] = eclass->interfaces_packed [i];
1941 for (i = 0; i < eclass->interface_count; i++) {
1942 interfaces [j] = eclass->interfaces [i];
1948 /* instantiate the generic interfaces */
1949 for (i = 0; i < interface_count; i += 3) {
1951 MonoClass *iface = interfaces [i];
1953 args [0] = &iface->byval_arg;
1954 interfaces [i] = mono_class_bind_generic_parameters (
1955 mono_defaults.generic_ilist_class, 1, args, FALSE);
1956 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));
1957 args [0] = &iface->byval_arg;
1958 interfaces [i + 1] = mono_class_bind_generic_parameters (
1959 generic_icollection_class, 1, args, FALSE);
1960 args [0] = &iface->byval_arg;
1961 interfaces [i + 2] = mono_class_bind_generic_parameters (
1962 generic_ienumerable_class, 1, args, FALSE);
1963 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 1]->byval_arg, 0));
1964 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 2]->byval_arg, 0));
1966 if (internal_enumerator) {
1968 /* instantiate IEnumerator<iface> */
1969 for (i = 0; i < interface_count; i++) {
1971 MonoClass *iface = interfaces [i];
1973 args [0] = &iface->byval_arg;
1974 interfaces [i] = mono_class_bind_generic_parameters (
1975 generic_ienumerator_class, 1, args, FALSE);
1976 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
1978 if (!eclass_is_valuetype) {
1979 j = interface_count;
1980 for (i = 0; i < eclass->idepth; i++) {
1982 args [0] = &eclass->supertypes [i]->byval_arg;
1983 interfaces [j] = mono_class_bind_generic_parameters (
1984 generic_ienumerator_class, 1, args, FALSE);
1985 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
1988 for (i = 0; i < eclass->interface_offsets_count; i++) {
1989 MonoClass *iface = eclass->interfaces_packed [i];
1991 args [0] = &iface->byval_arg;
1992 interfaces [j] = mono_class_bind_generic_parameters (
1993 generic_ienumerator_class, 1, args, FALSE);
1994 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
2004 * LOCKING: this is supposed to be called with the loader lock held.
2007 setup_interface_offsets (MonoClass *class, int cur_slot)
2011 MonoClass **interfaces_full;
2012 int *interface_offsets_full;
2014 int interface_offsets_count;
2015 MonoClass **array_interfaces;
2016 int num_array_interfaces;
2017 int is_enumerator = FALSE;
2020 * get the implicit generic interfaces for either the arrays or for System.Array/InternalEnumerator<T>
2021 * implicit innterfaces have the property that they are assigned the same slot in the vtables
2022 * for compatible interfaces
2024 array_interfaces = get_implicit_generic_array_interfaces (class, &num_array_interfaces, &is_enumerator);
2026 /* compute maximum number of slots and maximum interface id */
2028 for (k = class; k ; k = k->parent) {
2029 for (i = 0; i < k->interface_count; i++) {
2030 ic = k->interfaces [i];
2033 mono_class_init (ic);
2035 if (max_iid < ic->interface_id)
2036 max_iid = ic->interface_id;
2038 ifaces = mono_class_get_implemented_interfaces (k);
2040 for (i = 0; i < ifaces->len; ++i) {
2041 ic = g_ptr_array_index (ifaces, i);
2042 if (max_iid < ic->interface_id)
2043 max_iid = ic->interface_id;
2045 g_ptr_array_free (ifaces, TRUE);
2048 for (i = 0; i < num_array_interfaces; ++i) {
2049 ic = array_interfaces [i];
2050 mono_class_init (ic);
2051 if (max_iid < ic->interface_id)
2052 max_iid = ic->interface_id;
2055 if (MONO_CLASS_IS_INTERFACE (class)) {
2056 if (max_iid < class->interface_id)
2057 max_iid = class->interface_id;
2059 class->max_interface_id = max_iid;
2060 /* compute vtable offset for interfaces */
2061 interfaces_full = g_malloc (sizeof (MonoClass*) * (max_iid + 1));
2062 interface_offsets_full = g_malloc (sizeof (int) * (max_iid + 1));
2064 for (i = 0; i <= max_iid; i++) {
2065 interfaces_full [i] = NULL;
2066 interface_offsets_full [i] = -1;
2069 ifaces = mono_class_get_implemented_interfaces (class);
2071 for (i = 0; i < ifaces->len; ++i) {
2072 ic = g_ptr_array_index (ifaces, i);
2073 interfaces_full [ic->interface_id] = ic;
2074 interface_offsets_full [ic->interface_id] = cur_slot;
2075 cur_slot += ic->method.count;
2077 g_ptr_array_free (ifaces, TRUE);
2080 for (k = class->parent; k ; k = k->parent) {
2081 ifaces = mono_class_get_implemented_interfaces (k);
2083 for (i = 0; i < ifaces->len; ++i) {
2084 ic = g_ptr_array_index (ifaces, i);
2086 if (interface_offsets_full [ic->interface_id] == -1) {
2087 int io = mono_class_interface_offset (k, ic);
2091 interfaces_full [ic->interface_id] = ic;
2092 interface_offsets_full [ic->interface_id] = io;
2095 g_ptr_array_free (ifaces, TRUE);
2099 if (MONO_CLASS_IS_INTERFACE (class)) {
2100 interfaces_full [class->interface_id] = class;
2101 interface_offsets_full [class->interface_id] = cur_slot;
2104 if (num_array_interfaces) {
2105 if (is_enumerator) {
2106 int ienumerator_offset;
2107 g_assert (strcmp (class->interfaces [0]->name, "IEnumerator`1") == 0);
2108 ienumerator_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2109 for (i = 0; i < num_array_interfaces; ++i) {
2110 ic = array_interfaces [i];
2111 interfaces_full [ic->interface_id] = ic;
2112 if (strcmp (ic->name, "IEnumerator`1") == 0)
2113 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2115 g_assert_not_reached ();
2116 /*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);*/
2119 int ilist_offset, icollection_offset, ienumerable_offset;
2120 g_assert (strcmp (class->interfaces [0]->name, "IList`1") == 0);
2121 g_assert (strcmp (class->interfaces [0]->interfaces [0]->name, "ICollection`1") == 0);
2122 g_assert (strcmp (class->interfaces [0]->interfaces [1]->name, "IEnumerable`1") == 0);
2123 ilist_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2124 icollection_offset = interface_offsets_full [class->interfaces [0]->interfaces [0]->interface_id];
2125 ienumerable_offset = interface_offsets_full [class->interfaces [0]->interfaces [1]->interface_id];
2126 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2127 for (i = 0; i < num_array_interfaces; ++i) {
2128 ic = array_interfaces [i];
2129 interfaces_full [ic->interface_id] = ic;
2130 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2131 interface_offsets_full [ic->interface_id] = ilist_offset;
2132 else if (strcmp (ic->name, "ICollection`1") == 0)
2133 interface_offsets_full [ic->interface_id] = icollection_offset;
2134 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2135 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2137 g_assert_not_reached ();
2138 /*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);*/
2143 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2144 if (interface_offsets_full [i] != -1) {
2145 interface_offsets_count ++;
2148 class->interface_offsets_count = interface_offsets_count;
2149 class->interfaces_packed = mono_mempool_alloc (class->image->mempool, sizeof (MonoClass*) * interface_offsets_count);
2150 class->interface_offsets_packed = mono_mempool_alloc (class->image->mempool, sizeof (int) * interface_offsets_count);
2151 class->interface_bitmap = mono_mempool_alloc0 (class->image->mempool, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2152 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2153 if (interface_offsets_full [i] != -1) {
2154 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2155 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2156 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2157 /*if (num_array_interfaces)
2158 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]);*/
2159 interface_offsets_count ++;
2163 g_free (interfaces_full);
2164 g_free (interface_offsets_full);
2165 g_free (array_interfaces);
2167 //printf ("JUST DONE: ");
2168 //print_implemented_interfaces (class);
2174 * Setup interface offsets for interfaces. Used by Ref.Emit.
2177 mono_class_setup_interface_offsets (MonoClass *class)
2179 mono_loader_lock ();
2181 setup_interface_offsets (class, 0);
2183 mono_loader_unlock ();
2187 mono_class_setup_vtable (MonoClass *class)
2189 MonoMethod **overrides;
2190 MonoGenericContext *context;
2199 mono_class_setup_methods (class);
2201 if (MONO_CLASS_IS_INTERFACE (class))
2204 mono_loader_lock ();
2206 if (class->vtable) {
2207 mono_loader_unlock ();
2211 mono_stats.generic_vtable_count ++;
2213 if (class->generic_class) {
2214 context = mono_class_get_context (class);
2215 type_token = class->generic_class->container_class->type_token;
2217 context = (MonoGenericContext *) class->generic_container;
2218 type_token = class->type_token;
2221 if (class->image->dynamic) {
2222 if (class->generic_class) {
2223 MonoClass *gklass = class->generic_class->container_class;
2225 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2226 for (i = 0; i < onum; ++i) {
2227 MonoMethod *override = overrides [(i * 2) + 1];
2228 MonoMethod *inflated = NULL;
2231 for (j = 0; j < class->method.count; ++j) {
2232 if (gklass->methods [j] == override) {
2233 inflated = class->methods [j];
2237 g_assert (inflated);
2239 overrides [(i * 2) + 1] = inflated;
2242 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2245 /* The following call fails if there are missing methods in the type */
2246 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2250 mono_class_setup_vtable_general (class, overrides, onum);
2254 mono_loader_unlock ();
2260 check_core_clr_override_method (MonoClass *class, MonoMethod *override, MonoMethod *base)
2262 MonoSecurityCoreCLRLevel override_level = mono_security_core_clr_method_level (override, FALSE);
2263 MonoSecurityCoreCLRLevel base_level = mono_security_core_clr_method_level (base, FALSE);
2265 if (override_level != base_level && base_level == MONO_SECURITY_CORE_CLR_CRITICAL) {
2266 class->exception_type = MONO_EXCEPTION_TYPE_LOAD;
2267 class->exception_data = NULL;
2272 static int __use_new_interface_vtable_code = -1;
2274 use_new_interface_vtable_code (void) {
2275 if (__use_new_interface_vtable_code == -1) {
2276 char *env_var = getenv ("MONO_USE_NEW_INTERFACE_VTABLE_CODE");
2277 if (env_var == NULL) {
2278 __use_new_interface_vtable_code = TRUE;
2280 if ((strcmp (env_var, "0") == 0) || (strcmp (env_var, "false") == 0) || (strcmp (env_var, "FALSE") == 0)) {
2281 __use_new_interface_vtable_code = FALSE;
2283 __use_new_interface_vtable_code = TRUE;
2287 return __use_new_interface_vtable_code;
2291 #define DEBUG_INTERFACE_VTABLE_CODE 0
2292 #define TRACE_INTERFACE_VTABLE_CODE 0
2294 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2295 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2299 #define DEBUG_INTERFACE_VTABLE(stmt)
2302 #if TRACE_INTERFACE_VTABLE_CODE
2303 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2307 #define TRACE_INTERFACE_VTABLE(stmt)
2311 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2313 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2317 GString *res = g_string_new ("");
2319 g_string_append_c (res, '(');
2320 for (i = 0; i < sig->param_count; ++i) {
2322 g_string_append_c (res, ',');
2323 mono_type_get_desc (res, sig->params [i], include_namespace);
2325 g_string_append (res, ")=>");
2326 if (sig->ret != NULL) {
2327 mono_type_get_desc (res, sig->ret, include_namespace);
2329 g_string_append (res, "NULL");
2332 g_string_free (res, FALSE);
2336 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2337 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2338 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2339 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2347 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) {
2348 if (strcmp (im->name, cm->name) == 0) {
2349 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2350 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2353 if (! slot_is_empty) {
2354 if (require_newslot) {
2355 if (! interface_is_explicitly_implemented_by_class) {
2356 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2359 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2360 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2364 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2367 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2368 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2369 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2370 TRACE_INTERFACE_VTABLE (printf ("]"));
2373 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2374 /* CAS - SecurityAction.InheritanceDemand on interface */
2375 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2376 mono_secman_inheritancedemand_method (cm, im);
2379 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2380 check_core_clr_override_method (class, cm, im);
2381 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2384 MonoClass *ic = im->klass;
2385 const char *ic_name_space = ic->name_space;
2386 const char *ic_name = ic->name;
2389 if (! require_newslot) {
2390 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2393 if (cm->klass->rank == 0) {
2394 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2397 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2398 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2399 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2400 TRACE_INTERFACE_VTABLE (printf ("]"));
2403 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2404 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2407 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2408 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2411 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2412 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2416 subname = strstr (cm->name, ic_name_space);
2417 if (subname != cm->name) {
2418 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2421 subname += strlen (ic_name_space);
2422 if (subname [0] != '.') {
2423 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2427 if (strstr (subname, ic_name) != subname) {
2428 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2431 subname += strlen (ic_name);
2432 if (subname [0] != '.') {
2433 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2437 if (strcmp (subname, im->name) != 0) {
2438 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2442 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2443 /* CAS - SecurityAction.InheritanceDemand on interface */
2444 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2445 mono_secman_inheritancedemand_method (cm, im);
2448 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2449 check_core_clr_override_method (class, cm, im);
2451 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2456 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2458 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2459 MonoMethod *method = key;
2460 MonoMethod *override = value;
2461 MonoClass *method_class = mono_method_get_class (method);
2462 MonoClass *override_class = mono_method_get_class (override);
2464 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2465 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2466 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2469 print_overrides (GHashTable *override_map, const char *message) {
2471 printf ("Override map \"%s\" START:\n", message);
2472 g_hash_table_foreach (override_map, foreach_override, NULL);
2473 printf ("Override map \"%s\" END.\n", message);
2475 printf ("Override map \"%s\" EMPTY.\n", message);
2479 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2480 char *full_name = mono_type_full_name (&class->byval_arg);
2484 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2486 if (print_interfaces) {
2487 print_implemented_interfaces (class);
2488 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2491 if (class->parent) {
2492 parent_size = class->parent->vtable_size;
2496 for (i = 0; i < size; ++i) {
2497 MonoMethod *cm = vtable [i];
2499 char *cm_name = mono_method_full_name (cm, TRUE);
2500 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2501 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
2511 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
2513 char *method_signature;
2515 for (index = 0; index < onum; ++index) {
2516 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
2517 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
2519 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
2520 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2521 mono_type_get_name (&ic->byval_arg), im->name, method_signature, class->name_space, class->name);
2522 g_free (method_signature);
2523 for (index = 0; index < class->method.count; ++index) {
2524 MonoMethod *cm = class->methods [index];
2525 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2527 printf ("METHOD %s(%s)\n", cm->name, method_signature);
2528 g_free (method_signature);
2533 * LOCKING: this is supposed to be called with the loader lock held.
2536 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
2539 MonoMethod **vtable;
2540 int i, max_vtsize = 0, max_iid, cur_slot = 0;
2541 GPtrArray *ifaces, *pifaces = NULL;
2542 GHashTable *override_map = NULL;
2543 gboolean security_enabled = mono_is_security_manager_active ();
2544 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
2545 int first_non_interface_slot;
2551 ifaces = mono_class_get_implemented_interfaces (class);
2553 for (i = 0; i < ifaces->len; i++) {
2554 MonoClass *ic = g_ptr_array_index (ifaces, i);
2555 max_vtsize += ic->method.count;
2557 g_ptr_array_free (ifaces, TRUE);
2561 if (class->parent) {
2562 mono_class_init (class->parent);
2563 mono_class_setup_vtable (class->parent);
2564 max_vtsize += class->parent->vtable_size;
2565 cur_slot = class->parent->vtable_size;
2568 max_vtsize += class->method.count;
2570 vtable = alloca (sizeof (gpointer) * max_vtsize);
2571 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
2573 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
2575 cur_slot = setup_interface_offsets (class, cur_slot);
2576 max_iid = class->max_interface_id;
2577 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
2579 if (use_new_interface_vtable_code ()) {
2580 if (class->parent && class->parent->vtable_size) {
2581 MonoClass *parent = class->parent;
2584 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
2586 // Also inherit parent interface vtables, just as a starting point.
2587 // This is needed otherwise bug-77127.exe fails when the property methods
2588 // have different names in the iterface and the class, because for child
2589 // classes the ".override" information is not used anymore.
2590 for (i = 0; i < parent->interface_offsets_count; i++) {
2591 MonoClass *parent_interface = parent->interfaces_packed [i];
2592 int interface_offset = mono_class_interface_offset (class, parent_interface);
2594 if (interface_offset >= parent->vtable_size) {
2595 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
2598 mono_class_setup_methods (parent_interface);
2599 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
2600 for (j = 0; j < parent_interface->method.count; j++) {
2601 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
2602 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
2603 parent_interface_offset + j, parent_interface_offset, j,
2604 interface_offset + j, interface_offset, j));
2611 if (class->parent && class->parent->vtable_size)
2612 memcpy (vtable, class->parent->vtable, sizeof (gpointer) * class->parent->vtable_size);
2615 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
2616 /* override interface methods */
2617 for (i = 0; i < onum; i++) {
2618 MonoMethod *decl = overrides [i*2];
2619 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
2621 mono_class_setup_methods (decl->klass);
2622 g_assert (decl->slot != -1);
2623 dslot = decl->slot + mono_class_interface_offset (class, decl->klass);
2624 vtable [dslot] = overrides [i*2 + 1];
2625 vtable [dslot]->slot = dslot;
2627 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
2629 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
2631 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2632 check_core_clr_override_method (class, vtable [dslot], decl);
2635 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
2636 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
2638 if (use_new_interface_vtable_code ()) {
2639 // Loop on all implemented interfaces...
2640 for (i = 0; i < class->interface_offsets_count; i++) {
2641 MonoClass *parent = class->parent;
2643 gboolean interface_is_explicitly_implemented_by_class;
2646 ic = class->interfaces_packed [i];
2647 ic_offset = mono_class_interface_offset (class, ic);
2649 mono_class_setup_methods (ic);
2651 // Check if this interface is explicitly implemented (instead of just inherited)
2652 if (parent != NULL) {
2653 int implemented_interfaces_index;
2654 interface_is_explicitly_implemented_by_class = FALSE;
2655 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
2656 if (ic == class->interfaces [implemented_interfaces_index]) {
2657 interface_is_explicitly_implemented_by_class = TRUE;
2662 interface_is_explicitly_implemented_by_class = TRUE;
2665 // Loop on all interface methods...
2666 for (im_index = 0; im_index < ic->method.count; im_index++) {
2667 MonoMethod *im = ic->methods [im_index];
2668 int im_slot = ic_offset + im->slot;
2669 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
2671 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2674 // If there is an explicit implementation, just use it right away,
2675 // otherwise look for a matching method
2676 if (override_im == NULL) {
2679 // First look for a suitable method among the class methods
2680 for (cm_index = 0; cm_index < class->method.count; cm_index++) {
2681 MonoMethod *cm = class->methods [cm_index];
2683 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)));
2684 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)) {
2685 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
2686 vtable [im_slot] = cm;
2687 /* Why do we need this? */
2692 TRACE_INTERFACE_VTABLE (printf ("\n"));
2695 // If the slot is still empty, look in all the inherited virtual methods...
2696 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
2697 MonoClass *parent = class->parent;
2698 // Reverse order, so that last added methods are preferred
2699 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
2700 MonoMethod *cm = parent->vtable [cm_index];
2702 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));
2703 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
2704 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
2705 vtable [im_slot] = cm;
2706 /* Why do we need this? */
2712 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
2716 g_assert (vtable [im_slot] == override_im);
2721 // If the class is not abstract, check that all its interface slots are full.
2722 // The check is done here and not directly at the end of the loop above because
2723 // it can happen (for injected generic array interfaces) that the same slot is
2724 // processed multiple times (those interfaces have overlapping slots), and it
2725 // will not always be the first pass the one that fills the slot.
2726 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2727 for (i = 0; i < class->interface_offsets_count; i++) {
2731 ic = class->interfaces_packed [i];
2732 ic_offset = mono_class_interface_offset (class, ic);
2734 for (im_index = 0; im_index < ic->method.count; im_index++) {
2735 MonoMethod *im = ic->methods [im_index];
2736 int im_slot = ic_offset + im->slot;
2738 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2741 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
2742 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
2743 if (vtable [im_slot] == NULL) {
2744 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
2745 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2747 g_hash_table_destroy (override_map);
2754 for (k = class; k ; k = k->parent) {
2757 ifaces = mono_class_get_implemented_interfaces (k);
2759 nifaces = ifaces->len;
2760 if (k->generic_class) {
2761 pifaces = mono_class_get_implemented_interfaces (
2762 k->generic_class->container_class);
2763 g_assert (pifaces && (pifaces->len == nifaces));
2766 for (i = 0; i < nifaces; i++) {
2767 MonoClass *pic = NULL;
2770 ic = g_ptr_array_index (ifaces, i);
2772 pic = g_ptr_array_index (pifaces, i);
2773 g_assert (ic->interface_id <= k->max_interface_id);
2774 io = mono_class_interface_offset (k, ic);
2777 g_assert (io <= max_vtsize);
2780 mono_class_setup_methods (ic);
2781 for (l = 0; l < ic->method.count; l++) {
2782 MonoMethod *im = ic->methods [l];
2784 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2787 for (j = 0; j < class->method.count; ++j) {
2788 MonoMethod *cm = class->methods [j];
2789 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
2790 !((cm->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == METHOD_ATTRIBUTE_PUBLIC) ||
2791 !(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT))
2793 if (!strcmp(cm->name, im->name) &&
2794 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2796 /* CAS - SecurityAction.InheritanceDemand on interface */
2797 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2798 mono_secman_inheritancedemand_method (cm, im);
2801 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2802 check_core_clr_override_method (class, cm, im);
2804 g_assert (io + l <= max_vtsize);
2805 vtable [io + l] = cm;
2806 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));
2807 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2808 TRACE_INTERFACE_VTABLE (printf ("\n"));
2813 /* already implemented */
2814 if (io >= k->vtable_size)
2818 // Override methods with the same fully qualified name
2819 for (l = 0; l < ic->method.count; l++) {
2820 MonoMethod *im = ic->methods [l];
2821 char *qname, *fqname, *cname, *the_cname;
2824 if (vtable [io + l])
2828 the_cname = mono_type_get_name_full (&pic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
2832 cname = (char*)ic->name;
2835 qname = g_strconcat (cname, ".", im->name, NULL);
2836 if (ic->name_space && ic->name_space [0])
2837 fqname = g_strconcat (ic->name_space, ".", cname, ".", im->name, NULL);
2841 for (k1 = class; k1; k1 = k1->parent) {
2842 for (j = 0; j < k1->method.count; ++j) {
2843 MonoMethod *cm = k1->methods [j];
2845 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
2848 if (((fqname && !strcmp (cm->name, fqname)) || !strcmp (cm->name, qname)) &&
2849 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im)) &&
2850 ((vtable [io + l] == NULL) || mono_class_is_subclass_of (cm->klass, vtable [io + l]->klass, FALSE))) {
2852 /* CAS - SecurityAction.InheritanceDemand on interface */
2853 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2854 mono_secman_inheritancedemand_method (cm, im);
2857 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2858 check_core_clr_override_method (class, cm, im);
2860 g_assert (io + l <= max_vtsize);
2861 vtable [io + l] = cm;
2862 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));
2863 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2864 TRACE_INTERFACE_VTABLE (printf ("\n"));
2874 // Override methods with the same name
2875 for (l = 0; l < ic->method.count; l++) {
2876 MonoMethod *im = ic->methods [l];
2879 g_assert (io + l <= max_vtsize);
2881 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2884 for (k1 = class; k1; k1 = k1->parent) {
2885 for (j = 0; j < k1->method.count; ++j) {
2886 MonoMethod *cm = k1->methods [j];
2888 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
2889 !(cm->flags & METHOD_ATTRIBUTE_PUBLIC))
2892 if (!strcmp(cm->name, im->name) &&
2893 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2895 /* CAS - SecurityAction.InheritanceDemand on interface */
2896 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2897 mono_secman_inheritancedemand_method (cm, im);
2900 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2901 check_core_clr_override_method (class, cm, im);
2903 g_assert (io + l <= max_vtsize);
2904 vtable [io + l] = cm;
2905 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));
2906 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2907 TRACE_INTERFACE_VTABLE (printf ("\n"));
2912 g_assert (io + l <= max_vtsize);
2913 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
2918 if (!(class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2919 for (l = 0; l < ic->method.count; l++) {
2921 MonoMethod *im = ic->methods [l];
2922 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2924 g_assert (io + l <= max_vtsize);
2927 * If one of our parents already implements this interface
2928 * we can inherit the implementation.
2930 if (!(vtable [io + l])) {
2931 MonoClass *parent = class->parent;
2933 for (; parent; parent = parent->parent) {
2934 if (MONO_CLASS_IMPLEMENTS_INTERFACE (parent, ic->interface_id) &&
2936 vtable [io + l] = parent->vtable [mono_class_interface_offset (parent, ic) + l];
2937 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));
2942 if (!(vtable [io + l])) {
2943 for (j = 0; j < onum; ++j) {
2944 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", io+l, overrides [j*2+1]->name,
2945 overrides [j*2+1]->slot, overrides [j*2]->name, overrides [j*2]->slot);
2947 msig = mono_signature_get_desc (mono_method_signature (im), FALSE);
2948 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2949 mono_type_get_name (&ic->byval_arg), im->name, msig, class->name_space, class->name);
2951 for (j = 0; j < class->method.count; ++j) {
2952 MonoMethod *cm = class->methods [j];
2953 msig = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2955 printf ("METHOD %s(%s)\n", cm->name, msig);
2959 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2962 g_ptr_array_free (ifaces, TRUE);
2964 g_hash_table_destroy (override_map);
2971 for (l = 0; l < ic->method.count; l++) {
2972 MonoMethod *im = vtable [io + l];
2975 g_assert (io + l <= max_vtsize);
2977 /* FIXME: why do we need this ? */
2979 /* g_assert_not_reached (); */
2985 g_ptr_array_free (ifaces, TRUE);
2989 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
2990 for (i = 0; i < class->method.count; ++i) {
2993 cm = class->methods [i];
2996 * Non-virtual method have no place in the vtable.
2997 * This also catches static methods (since they are not virtual).
2999 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3003 * If the method is REUSE_SLOT, we must check in the
3004 * base class for a method to override.
3006 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3008 for (k = class->parent; k ; k = k->parent) {
3010 for (j = 0; j < k->method.count; ++j) {
3011 MonoMethod *m1 = k->methods [j];
3012 MonoMethodSignature *cmsig, *m1sig;
3014 if (!(m1->flags & METHOD_ATTRIBUTE_VIRTUAL))
3017 cmsig = mono_method_signature (cm);
3018 m1sig = mono_method_signature (m1);
3020 if (!cmsig || !m1sig) {
3021 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3025 if (!strcmp(cm->name, m1->name) &&
3026 mono_metadata_signature_equal (cmsig, m1sig)) {
3028 /* CAS - SecurityAction.InheritanceDemand */
3029 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3030 mono_secman_inheritancedemand_method (cm, m1);
3033 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3034 check_core_clr_override_method (class, cm, m1);
3036 slot = k->methods [j]->slot;
3037 g_assert (cm->slot < max_vtsize);
3039 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3040 g_hash_table_insert (override_map, m1, cm);
3052 cm->slot = cur_slot++;
3054 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3055 vtable [cm->slot] = cm;
3058 /* override non interface methods */
3059 for (i = 0; i < onum; i++) {
3060 MonoMethod *decl = overrides [i*2];
3061 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3062 g_assert (decl->slot != -1);
3063 vtable [decl->slot] = overrides [i*2 + 1];
3064 overrides [i * 2 + 1]->slot = decl->slot;
3066 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3067 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3069 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3070 check_core_clr_override_method (class, vtable [decl->slot], decl);
3075 * If a method occupies more than one place in the vtable, and it is
3076 * overriden, then change the other occurances too.
3079 for (i = 0; i < max_vtsize; ++i)
3081 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3086 g_hash_table_destroy (override_map);
3089 if (class->generic_class) {
3090 MonoClass *gklass = class->generic_class->container_class;
3092 mono_class_init (gklass);
3094 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3096 class->vtable_size = cur_slot;
3098 /* Try to share the vtable with our parent. */
3099 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3100 class->vtable = class->parent->vtable;
3102 class->vtable = mono_mempool_alloc0 (class->image->mempool, sizeof (gpointer) * class->vtable_size);
3103 memcpy (class->vtable, vtable, sizeof (gpointer) * class->vtable_size);
3106 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3107 if (mono_print_vtable) {
3110 print_implemented_interfaces (class);
3112 for (i = 0; i <= max_iid; i++)
3113 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3116 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3117 class->vtable_size, icount);
3119 for (i = 0; i < class->vtable_size; ++i) {
3124 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3125 mono_method_full_name (cm, TRUE));
3131 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3132 class->name, max_iid);
3134 for (i = 0; i < class->interface_count; i++) {
3135 ic = class->interfaces [i];
3136 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3137 mono_class_interface_offset (class, ic),
3138 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3141 for (k = class->parent; k ; k = k->parent) {
3142 for (i = 0; i < k->interface_count; i++) {
3143 ic = k->interfaces [i];
3144 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3145 mono_class_interface_offset (class, ic),
3146 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3153 static MonoMethod *default_ghc = NULL;
3154 static MonoMethod *default_finalize = NULL;
3155 static int finalize_slot = -1;
3156 static int ghc_slot = -1;
3159 initialize_object_slots (MonoClass *class)
3164 if (class == mono_defaults.object_class) {
3165 mono_class_setup_vtable (class);
3166 for (i = 0; i < class->vtable_size; ++i) {
3167 MonoMethod *cm = class->vtable [i];
3169 if (!strcmp (cm->name, "GetHashCode"))
3171 else if (!strcmp (cm->name, "Finalize"))
3175 g_assert (ghc_slot > 0);
3176 default_ghc = class->vtable [ghc_slot];
3178 g_assert (finalize_slot > 0);
3179 default_finalize = class->vtable [finalize_slot];
3184 g_list_prepend_mempool (GList* l, MonoMemPool* mp, gpointer datum)
3186 GList* n = mono_mempool_alloc (mp, sizeof (GList));
3194 MonoMethod *array_method;
3196 } GenericArrayMethodInfo;
3198 static int generic_array_method_num = 0;
3199 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3202 generic_array_methods (MonoClass *class)
3204 int i, count_generic = 0;
3205 GList *list = NULL, *tmp;
3206 if (generic_array_method_num)
3207 return generic_array_method_num;
3208 mono_class_setup_methods (class->parent);
3209 for (i = 0; i < class->parent->method.count; i++) {
3210 MonoMethod *m = class->parent->methods [i];
3211 if (!strncmp (m->name, "InternalArray__", 15)) {
3213 list = g_list_prepend (list, m);
3216 list = g_list_reverse (list);
3217 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3219 for (tmp = list; tmp; tmp = tmp->next) {
3220 const char *mname, *iname;
3222 MonoMethod *m = tmp->data;
3223 generic_array_method_info [i].array_method = m;
3224 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3225 iname = "System.Collections.Generic.ICollection`1.";
3226 mname = m->name + 27;
3227 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3228 iname = "System.Collections.Generic.IEnumerable`1.";
3229 mname = m->name + 27;
3230 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3231 iname = "System.Collections.Generic.IList`1.";
3232 mname = m->name + 15;
3234 g_assert_not_reached ();
3237 name = mono_mempool_alloc (mono_defaults.corlib->mempool, strlen (iname) + strlen (mname) + 1);
3238 strcpy (name, iname);
3239 strcpy (name + strlen (iname), mname);
3240 generic_array_method_info [i].name = name;
3243 /*g_print ("array generic methods: %d\n", count_generic);*/
3245 generic_array_method_num = count_generic;
3246 return generic_array_method_num;
3250 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, int pos)
3252 MonoGenericContext tmp_context;
3255 tmp_context.class_inst = NULL;
3256 tmp_context.method_inst = iface->generic_class->context.class_inst;
3257 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3259 for (i = 0; i < generic_array_method_num; i++) {
3260 MonoMethod *m = generic_array_method_info [i].array_method;
3261 MonoMethod *inflated;
3263 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3264 class->methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3269 create_array_method (MonoClass *class, const char *name, MonoMethodSignature *sig)
3273 method = (MonoMethod *) mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethodPInvoke));
3274 method->klass = class;
3275 method->flags = METHOD_ATTRIBUTE_PUBLIC;
3276 method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
3277 method->signature = sig;
3278 method->name = name;
3281 if (name [0] == '.') {
3282 method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
3284 method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
3290 concat_two_strings_with_zero (MonoMemPool *pool, const char *s1, const char *s2)
3292 int len = strlen (s1) + strlen (s2) + 2;
3293 char *s = mono_mempool_alloc (pool, len);
3296 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3297 g_assert (result == len - 1);
3303 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3305 class->exception_type = error->exception_type;
3307 switch (error->exception_type) {
3308 case MONO_EXCEPTION_TYPE_LOAD:
3309 class->exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->assembly_name);
3312 case MONO_EXCEPTION_MISSING_METHOD:
3313 class->exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->member_name);
3316 case MONO_EXCEPTION_MISSING_FIELD: {
3317 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3318 const char *class_name;
3321 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3323 class_name = error->klass->name;
3325 class->exception_data = concat_two_strings_with_zero (class->image->mempool, class_name, error->member_name);
3328 g_free ((void*)class_name);
3332 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3335 if (error->ref_only)
3336 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.";
3338 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3340 class->exception_data = concat_two_strings_with_zero (class->image->mempool, msg, error->assembly_name);
3344 case MONO_EXCEPTION_BAD_IMAGE:
3345 class->exception_data = error->msg;
3349 g_assert_not_reached ();
3354 check_core_clr_inheritance (MonoClass *class)
3356 MonoSecurityCoreCLRLevel class_level, parent_level;
3357 MonoClass *parent = class->parent;
3362 class_level = mono_security_core_clr_class_level (class);
3363 parent_level = mono_security_core_clr_class_level (parent);
3365 if (class_level < parent_level) {
3366 class->exception_type = MONO_EXCEPTION_TYPE_LOAD;
3367 class->exception_data = NULL;
3373 * @class: the class to initialize
3375 * compute the instance_size, class_size and other infos that cannot be
3376 * computed at mono_class_get() time. Also compute a generic vtable and
3377 * the method slot numbers. We use this infos later to create a domain
3380 * Returns TRUE on success or FALSE if there was a problem in loading
3381 * the type (incorrect assemblies, missing assemblies, methods, etc).
3384 mono_class_init (MonoClass *class)
3387 MonoCachedClassInfo cached_info;
3388 gboolean has_cached_info;
3389 int class_init_ok = TRUE;
3394 return class->exception_type == MONO_EXCEPTION_NONE;
3396 /*g_print ("Init class %s\n", class->name);*/
3398 /* We do everything inside the lock to prevent races */
3399 mono_loader_lock ();
3401 if (class->inited) {
3402 mono_loader_unlock ();
3403 /* Somebody might have gotten in before us */
3404 return class->exception_type == MONO_EXCEPTION_NONE;
3407 if (class->init_pending) {
3408 mono_loader_unlock ();
3409 /* this indicates a cyclic dependency */
3410 g_error ("pending init %s.%s\n", class->name_space, class->name);
3413 class->init_pending = 1;
3415 /* CAS - SecurityAction.InheritanceDemand */
3416 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3417 mono_secman_inheritancedemand_class (class, class->parent);
3420 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3421 check_core_clr_inheritance (class);
3423 mono_stats.initialized_class_count++;
3425 if (class->generic_class && !class->generic_class->is_dynamic) {
3426 MonoClass *gklass = class->generic_class->container_class;
3428 mono_stats.generic_class_count++;
3430 class->method = gklass->method;
3431 class->field = gklass->field;
3433 mono_class_init (gklass);
3434 mono_class_setup_methods (gklass);
3435 mono_class_setup_properties (gklass);
3437 if (MONO_CLASS_IS_INTERFACE (class))
3438 class->interface_id = mono_get_unique_iid (class);
3440 g_assert (class->interface_count == gklass->interface_count);
3443 if (class->parent && !class->parent->inited)
3444 mono_class_init (class->parent);
3446 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3448 if (!class->generic_class && !class->image->dynamic && (!has_cached_info || (has_cached_info && cached_info.has_nested_classes))) {
3449 i = mono_metadata_nesting_typedef (class->image, class->type_token, 1);
3452 guint32 cols [MONO_NESTED_CLASS_SIZE];
3453 mono_metadata_decode_row (&class->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
3454 nclass = mono_class_create_from_typedef (class->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
3455 class->nested_classes = g_list_prepend_mempool (class->nested_classes, class->image->mempool, nclass);
3457 i = mono_metadata_nesting_typedef (class->image, class->type_token, i + 1);
3462 * Computes the size used by the fields, and their locations
3464 if (has_cached_info) {
3465 class->instance_size = cached_info.instance_size;
3466 class->sizes.class_size = cached_info.class_size;
3467 class->packing_size = cached_info.packing_size;
3468 class->min_align = cached_info.min_align;
3469 class->blittable = cached_info.blittable;
3470 class->has_references = cached_info.has_references;
3471 class->has_static_refs = cached_info.has_static_refs;
3472 class->no_special_static_fields = cached_info.no_special_static_fields;
3475 if (!class->size_inited){
3476 mono_class_setup_fields (class);
3477 if (class->exception_type || mono_loader_get_last_error ()){
3478 class_init_ok = FALSE;
3484 /* initialize method pointers */
3486 MonoMethod *amethod;
3487 MonoMethodSignature *sig;
3488 int count_generic = 0, first_generic = 0;
3491 class->method.count = 3 + (class->rank > 1? 2: 1);
3493 if (class->interface_count) {
3494 count_generic = generic_array_methods (class);
3495 first_generic = class->method.count;
3496 class->method.count += class->interface_count * count_generic;
3499 sig = mono_metadata_signature_alloc (class->image, class->rank);
3500 sig->ret = &mono_defaults.void_class->byval_arg;
3501 sig->pinvoke = TRUE;
3502 sig->hasthis = TRUE;
3503 for (i = 0; i < class->rank; ++i)
3504 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3506 amethod = create_array_method (class, ".ctor", sig);
3507 class->methods = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
3508 class->methods [method_num++] = amethod;
3509 if (class->rank > 1) {
3510 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
3511 sig->ret = &mono_defaults.void_class->byval_arg;
3512 sig->pinvoke = TRUE;
3513 sig->hasthis = TRUE;
3514 for (i = 0; i < class->rank * 2; ++i)
3515 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3517 amethod = create_array_method (class, ".ctor", sig);
3518 class->methods [method_num++] = amethod;
3520 /* element Get (idx11, [idx2, ...]) */
3521 sig = mono_metadata_signature_alloc (class->image, class->rank);
3522 sig->ret = &class->element_class->byval_arg;
3523 sig->pinvoke = TRUE;
3524 sig->hasthis = TRUE;
3525 for (i = 0; i < class->rank; ++i)
3526 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3527 amethod = create_array_method (class, "Get", sig);
3528 class->methods [method_num++] = amethod;
3529 /* element& Address (idx11, [idx2, ...]) */
3530 sig = mono_metadata_signature_alloc (class->image, class->rank);
3531 sig->ret = &class->element_class->this_arg;
3532 sig->pinvoke = TRUE;
3533 sig->hasthis = TRUE;
3534 for (i = 0; i < class->rank; ++i)
3535 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3536 amethod = create_array_method (class, "Address", sig);
3537 class->methods [method_num++] = amethod;
3538 /* void Set (idx11, [idx2, ...], element) */
3539 sig = mono_metadata_signature_alloc (class->image, class->rank + 1);
3540 sig->ret = &mono_defaults.void_class->byval_arg;
3541 sig->pinvoke = TRUE;
3542 sig->hasthis = TRUE;
3543 for (i = 0; i < class->rank; ++i)
3544 sig->params [i] = &mono_defaults.int32_class->byval_arg;
3545 sig->params [i] = &class->element_class->byval_arg;
3546 amethod = create_array_method (class, "Set", sig);
3547 class->methods [method_num++] = amethod;
3549 for (i = 0; i < class->interface_count; i++)
3550 setup_generic_array_ifaces (class, class->interfaces [i], first_generic + i * count_generic);
3553 mono_class_setup_supertypes (class);
3556 initialize_object_slots (class);
3559 * If possible, avoid the creation of the generic vtable by requesting
3560 * cached info from the runtime.
3562 if (has_cached_info) {
3563 guint32 cur_slot = 0;
3565 class->vtable_size = cached_info.vtable_size;
3566 class->has_finalize = cached_info.has_finalize;
3567 class->ghcimpl = cached_info.ghcimpl;
3568 class->has_cctor = cached_info.has_cctor;
3570 if (class->parent) {
3571 mono_class_init (class->parent);
3572 cur_slot = class->parent->vtable_size;
3575 setup_interface_offsets (class, cur_slot);
3578 mono_class_setup_vtable (class);
3580 if (class->exception_type || mono_loader_get_last_error ()){
3581 class_init_ok = FALSE;
3586 if (class->parent) {
3587 MonoMethod *cmethod = class->vtable [ghc_slot];
3588 if (cmethod->is_inflated)
3589 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3590 if (cmethod == default_ghc) {
3595 /* Object::Finalize should have empty implemenatation */
3596 class->has_finalize = 0;
3597 if (class->parent) {
3598 MonoMethod *cmethod = class->vtable [finalize_slot];
3599 if (cmethod->is_inflated)
3600 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3601 if (cmethod != default_finalize) {
3602 class->has_finalize = 1;
3606 for (i = 0; i < class->method.count; ++i) {
3607 MonoMethod *method = class->methods [i];
3608 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3609 (strcmp (".cctor", method->name) == 0)) {
3610 class->has_cctor = 1;
3616 if (MONO_CLASS_IS_INTERFACE (class)) {
3618 * knowledge of interface offsets is needed for the castclass/isinst code, so
3619 * we have to setup them for interfaces, too.
3621 setup_interface_offsets (class, 0);
3626 class->init_pending = 0;
3628 if (mono_loader_get_last_error ()) {
3629 if (class->exception_type == MONO_EXCEPTION_NONE)
3630 set_failure_from_loader_error (class, mono_loader_get_last_error ());
3632 mono_loader_clear_error ();
3635 mono_loader_unlock ();
3637 if (mono_debugger_class_init_func)
3638 mono_debugger_class_init_func (class);
3640 return class_init_ok;
3644 * LOCKING: this assumes the loader lock is held
3647 mono_class_setup_mono_type (MonoClass *class)
3649 const char *name = class->name;
3650 const char *nspace = class->name_space;
3652 class->this_arg.byref = 1;
3653 class->this_arg.data.klass = class;
3654 class->this_arg.type = MONO_TYPE_CLASS;
3655 class->byval_arg.data.klass = class;
3656 class->byval_arg.type = MONO_TYPE_CLASS;
3658 if (!strcmp (nspace, "System")) {
3659 if (!strcmp (name, "ValueType")) {
3661 * do not set the valuetype bit for System.ValueType.
3662 * class->valuetype = 1;
3664 class->blittable = TRUE;
3665 } else if (!strcmp (name, "Enum")) {
3667 * do not set the valuetype bit for System.Enum.
3668 * class->valuetype = 1;
3670 class->valuetype = 0;
3671 class->enumtype = 0;
3672 } else if (!strcmp (name, "Object")) {
3673 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
3674 } else if (!strcmp (name, "String")) {
3675 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
3676 } else if (!strcmp (name, "TypedReference")) {
3677 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
3681 if (class->valuetype) {
3682 int t = MONO_TYPE_VALUETYPE;
3683 if (!strcmp (nspace, "System")) {
3686 if (!strcmp (name, "Boolean")) {
3687 t = MONO_TYPE_BOOLEAN;
3688 } else if (!strcmp(name, "Byte")) {
3690 class->blittable = TRUE;
3694 if (!strcmp (name, "Char")) {
3699 if (!strcmp (name, "Double")) {
3701 class->blittable = TRUE;
3705 if (!strcmp (name, "Int32")) {
3707 class->blittable = TRUE;
3708 } else if (!strcmp(name, "Int16")) {
3710 class->blittable = TRUE;
3711 } else if (!strcmp(name, "Int64")) {
3713 class->blittable = TRUE;
3714 } else if (!strcmp(name, "IntPtr")) {
3716 class->blittable = TRUE;
3720 if (!strcmp (name, "Single")) {
3722 class->blittable = TRUE;
3723 } else if (!strcmp(name, "SByte")) {
3725 class->blittable = TRUE;
3729 if (!strcmp (name, "UInt32")) {
3731 class->blittable = TRUE;
3732 } else if (!strcmp(name, "UInt16")) {
3734 class->blittable = TRUE;
3735 } else if (!strcmp(name, "UInt64")) {
3737 class->blittable = TRUE;
3738 } else if (!strcmp(name, "UIntPtr")) {
3740 class->blittable = TRUE;
3744 if (!strcmp (name, "TypedReference")) {
3745 t = MONO_TYPE_TYPEDBYREF;
3746 class->blittable = TRUE;
3750 if (!strcmp (name, "Void")) {
3758 class->this_arg.type = class->byval_arg.type = t;
3761 if (MONO_CLASS_IS_INTERFACE (class))
3762 class->interface_id = mono_get_unique_iid (class);
3767 * LOCKING: this assumes the loader lock is held
3770 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
3772 gboolean system_namespace;
3774 system_namespace = !strcmp (class->name_space, "System");
3776 /* if root of the hierarchy */
3777 if (system_namespace && !strcmp (class->name, "Object")) {
3778 class->parent = NULL;
3779 class->instance_size = sizeof (MonoObject);
3782 if (!strcmp (class->name, "<Module>")) {
3783 class->parent = NULL;
3784 class->instance_size = 0;
3788 if (!MONO_CLASS_IS_INTERFACE (class)) {
3789 /* Imported COM Objects always derive from __ComObject. */
3790 if (MONO_CLASS_IS_IMPORT (class)) {
3791 mono_init_com_types ();
3792 if (parent == mono_defaults.object_class)
3793 parent = mono_defaults.com_object_class;
3795 class->parent = parent;
3799 g_assert_not_reached (); /* FIXME */
3801 if (parent->generic_class && !parent->name) {
3803 * If the parent is a generic instance, we may get
3804 * called before it is fully initialized, especially
3805 * before it has its name.
3810 class->marshalbyref = parent->marshalbyref;
3811 class->contextbound = parent->contextbound;
3812 class->delegate = parent->delegate;
3813 if (MONO_CLASS_IS_IMPORT (class))
3814 class->is_com_object = 1;
3816 class->is_com_object = parent->is_com_object;
3818 if (system_namespace) {
3819 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
3820 class->marshalbyref = 1;
3822 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
3823 class->contextbound = 1;
3825 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
3826 class->delegate = 1;
3829 if (class->parent->enumtype || ((strcmp (class->parent->name, "ValueType") == 0) &&
3830 (strcmp (class->parent->name_space, "System") == 0)))
3831 class->valuetype = 1;
3832 if (((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
3833 class->valuetype = class->enumtype = 1;
3835 /*class->enumtype = class->parent->enumtype; */
3836 mono_class_setup_supertypes (class);
3838 /* initialize com types if COM interfaces are present */
3839 if (MONO_CLASS_IS_IMPORT (class))
3840 mono_init_com_types ();
3841 class->parent = NULL;
3847 * mono_class_setup_supertypes:
3850 * Build the data structure needed to make fast type checks work.
3851 * This currently sets two fields in @class:
3852 * - idepth: distance between @class and System.Object in the type
3854 * - supertypes: array of classes: each element has a class in the hierarchy
3855 * starting from @class up to System.Object
3857 * LOCKING: this assumes the loader lock is held
3860 mono_class_setup_supertypes (MonoClass *class)
3864 if (class->supertypes)
3867 if (class->parent && !class->parent->supertypes)
3868 mono_class_setup_supertypes (class->parent);
3870 class->idepth = class->parent->idepth + 1;
3874 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
3875 class->supertypes = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClass *) * ms);
3877 if (class->parent) {
3878 class->supertypes [class->idepth - 1] = class;
3879 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
3881 class->supertypes [0] = class;
3886 * mono_class_create_from_typedef:
3887 * @image: image where the token is valid
3888 * @type_token: typedef token
3890 * Create the MonoClass* representing the specified type token.
3891 * @type_token must be a TypeDef token.
3894 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
3896 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
3897 MonoClass *class, *parent = NULL;
3898 guint32 cols [MONO_TYPEDEF_SIZE];
3899 guint32 cols_next [MONO_TYPEDEF_SIZE];
3900 guint tidx = mono_metadata_token_index (type_token);
3901 MonoGenericContext *context = NULL;
3902 const char *name, *nspace;
3904 MonoClass **interfaces;
3905 guint32 field_last, method_last;
3906 guint32 nesting_tokeen;
3908 mono_loader_lock ();
3910 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
3911 mono_loader_unlock ();
3915 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
3917 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
3919 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
3920 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
3922 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
3925 class->name_space = nspace;
3927 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
3929 class->image = image;
3930 class->type_token = type_token;
3931 class->flags = cols [MONO_TYPEDEF_FLAGS];
3933 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
3936 * Check whether we're a generic type definition.
3938 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
3939 if (class->generic_container) {
3940 class->generic_container->owner.klass = class;
3941 context = &class->generic_container->context;
3944 if (cols [MONO_TYPEDEF_EXTENDS]) {
3945 parent = mono_class_get_full (
3946 image, mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]), context);
3947 if (parent == NULL){
3948 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
3949 mono_loader_unlock ();
3950 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
3955 /* do this early so it's available for interfaces in setup_mono_type () */
3956 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
3957 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
3959 mono_class_setup_parent (class, parent);
3961 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
3962 mono_class_setup_mono_type (class);
3964 if (!class->enumtype) {
3965 if (!mono_metadata_interfaces_from_typedef_full (
3966 image, type_token, &interfaces, &icount, context)){
3967 mono_loader_unlock ();
3968 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
3972 class->interfaces = interfaces;
3973 class->interface_count = icount;
3976 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
3980 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
3984 class->cast_class = class->element_class = class;
3986 /*g_print ("Load class %s\n", name);*/
3989 * Compute the field and method lists
3991 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
3992 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
3994 if (tt->rows > tidx){
3995 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
3996 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
3997 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
3999 field_last = image->tables [MONO_TABLE_FIELD].rows;
4000 method_last = image->tables [MONO_TABLE_METHOD].rows;
4003 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4004 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4005 class->field.count = field_last - class->field.first;
4007 class->field.count = 0;
4009 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4010 class->method.count = method_last - class->method.first;
4012 class->method.count = 0;
4014 /* reserve space to store vector pointer in arrays */
4015 if (!strcmp (nspace, "System") && !strcmp (name, "Array")) {
4016 class->instance_size += 2 * sizeof (gpointer);
4017 g_assert (class->field.count == 0);
4020 if (class->enumtype) {
4021 class->enum_basetype = mono_class_find_enum_basetype (class);
4022 if (!class->enum_basetype) {
4023 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4024 mono_loader_unlock ();
4027 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
4031 * If we're a generic type definition, load the constraints.
4032 * We must do this after the class has been constructed to make certain recursive scenarios
4035 if (class->generic_container)
4036 mono_metadata_load_generic_param_constraints (
4037 image, type_token, class->generic_container);
4039 mono_loader_unlock ();
4041 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4046 /** is klass Nullable<T>? */
4048 mono_class_is_nullable (MonoClass *klass)
4050 return klass->generic_class != NULL &&
4051 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4055 /** if klass is T? return T */
4057 mono_class_get_nullable_param (MonoClass *klass)
4059 g_assert (mono_class_is_nullable (klass));
4060 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4064 * Create the `MonoClass' for an instantiation of a generic type.
4065 * We only do this if we actually need it.
4068 mono_generic_class_get_class (MonoGenericClass *gclass)
4070 MonoClass *klass, *gklass;
4073 mono_loader_lock ();
4074 if (gclass->cached_class) {
4075 mono_loader_unlock ();
4076 return gclass->cached_class;
4079 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4080 klass = gclass->cached_class;
4082 gklass = gclass->container_class;
4084 if (gklass->nested_in) {
4086 * FIXME: the nested type context should include everything the
4087 * nesting context should have, but it may also have additional
4088 * generic parameters...
4090 MonoType *inflated = mono_class_inflate_generic_type (
4091 &gklass->nested_in->byval_arg, mono_generic_class_get_context (gclass));
4092 klass->nested_in = mono_class_from_mono_type (inflated);
4093 mono_metadata_free_type (inflated);
4096 klass->name = gklass->name;
4097 klass->name_space = gklass->name_space;
4099 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4101 klass->image = gklass->image;
4102 klass->flags = gklass->flags;
4103 klass->type_token = gklass->type_token;
4104 klass->field.count = gklass->field.count;
4105 klass->property.count = gklass->property.count;
4107 klass->generic_class = gclass;
4109 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4110 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4111 klass->this_arg.byref = TRUE;
4112 klass->enumtype = gklass->enumtype;
4113 klass->valuetype = gklass->valuetype;
4115 klass->cast_class = klass->element_class = klass;
4117 if (mono_class_is_nullable (klass))
4118 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4120 klass->interface_count = gklass->interface_count;
4121 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
4122 for (i = 0; i < klass->interface_count; i++) {
4123 MonoType *it = &gklass->interfaces [i]->byval_arg;
4124 MonoType *inflated = mono_class_inflate_generic_type (it, mono_generic_class_get_context (gclass));
4125 klass->interfaces [i] = mono_class_from_mono_type (inflated);
4126 mono_metadata_free_type (inflated);
4130 * We're not interested in the nested classes of a generic instance.
4131 * We use the generic type definition to look for nested classes.
4133 klass->nested_classes = NULL;
4135 if (gklass->parent) {
4136 MonoType *inflated = mono_class_inflate_generic_type (
4137 &gklass->parent->byval_arg, mono_generic_class_get_context (gclass));
4139 klass->parent = mono_class_from_mono_type (inflated);
4140 mono_metadata_free_type (inflated);
4144 mono_class_setup_parent (klass, klass->parent);
4146 if (klass->enumtype) {
4147 klass->enum_basetype = gklass->enum_basetype;
4148 klass->cast_class = gklass->cast_class;
4151 if (gclass->is_dynamic) {
4154 mono_class_setup_supertypes (klass);
4156 if (klass->enumtype) {
4158 * For enums, gklass->fields might not been set, but instance_size etc. is
4159 * already set in mono_reflection_create_internal_class (). For non-enums,
4160 * these will be computed normally in mono_class_layout_fields ().
4162 klass->instance_size = gklass->instance_size;
4163 klass->sizes.class_size = gklass->sizes.class_size;
4164 klass->size_inited = 1;
4168 if (MONO_CLASS_IS_INTERFACE (klass))
4169 setup_interface_offsets (klass, 0);
4171 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4173 mono_loader_unlock ();
4179 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4181 MonoClass *klass, **ptr;
4184 mono_loader_lock ();
4186 if (param->pklass) {
4187 mono_loader_unlock ();
4188 return param->pklass;
4191 if (!image && param->owner) {
4193 MonoMethod *method = param->owner->owner.method;
4194 image = (method && method->klass) ? method->klass->image : NULL;
4196 MonoClass *klass = param->owner->owner.klass;
4197 // FIXME: 'klass' should not be null
4198 // But, monodis creates GenericContainers without associating a owner to it
4199 image = klass ? klass->image : NULL;
4204 image = mono_defaults.corlib;
4206 klass = param->pklass = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4209 klass->name = param->name;
4211 klass->name = mono_mempool_alloc0 (image->mempool, 16);
4212 sprintf ((char*)klass->name, is_mvar ? "!!%d" : "!%d", param->num);
4214 klass->name_space = "";
4215 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4217 for (count = 0, ptr = param->constraints; ptr && *ptr; ptr++, count++)
4221 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (param->constraints [0])) {
4222 klass->parent = param->constraints [0];
4224 } else if (param->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4225 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4227 klass->parent = mono_defaults.object_class;
4229 if (count - pos > 0) {
4230 klass->interface_count = count - pos;
4231 klass->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass *) * (count - pos));
4232 for (i = pos; i < count; i++)
4233 klass->interfaces [i - pos] = param->constraints [i];
4237 image = mono_defaults.corlib;
4239 klass->image = image;
4241 klass->inited = TRUE;
4242 klass->cast_class = klass->element_class = klass;
4243 klass->enum_basetype = &klass->element_class->byval_arg;
4244 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4246 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4247 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4248 klass->this_arg.byref = TRUE;
4250 mono_class_setup_supertypes (klass);
4252 mono_loader_unlock ();
4254 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4260 mono_ptr_class_get (MonoType *type)
4263 MonoClass *el_class;
4267 el_class = mono_class_from_mono_type (type);
4268 image = el_class->image;
4270 mono_loader_lock ();
4272 if (!image->ptr_cache)
4273 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4275 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4276 mono_loader_unlock ();
4279 result = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4281 result->parent = NULL; /* no parent for PTR types */
4282 result->name_space = el_class->name_space;
4283 name = g_strdup_printf ("%s*", el_class->name);
4284 result->name = mono_mempool_strdup (image->mempool, name);
4287 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4289 result->image = el_class->image;
4290 result->inited = TRUE;
4291 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4292 /* Can pointers get boxed? */
4293 result->instance_size = sizeof (gpointer);
4294 result->cast_class = result->element_class = el_class;
4295 result->enum_basetype = &result->element_class->byval_arg;
4296 result->blittable = TRUE;
4298 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4299 result->this_arg.data.type = result->byval_arg.data.type = result->enum_basetype;
4300 result->this_arg.byref = TRUE;
4302 mono_class_setup_supertypes (result);
4304 g_hash_table_insert (image->ptr_cache, el_class, result);
4306 mono_loader_unlock ();
4308 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4314 mono_fnptr_class_get (MonoMethodSignature *sig)
4317 static GHashTable *ptr_hash = NULL;
4319 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4321 mono_loader_lock ();
4324 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4326 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4327 mono_loader_unlock ();
4330 result = g_new0 (MonoClass, 1);
4332 result->parent = NULL; /* no parent for PTR types */
4333 result->name_space = "System";
4334 result->name = "MonoFNPtrFakeClass";
4336 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4338 result->image = mono_defaults.corlib; /* need to fix... */
4339 result->inited = TRUE;
4340 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4341 /* Can pointers get boxed? */
4342 result->instance_size = sizeof (gpointer);
4343 result->cast_class = result->element_class = result;
4344 result->blittable = TRUE;
4346 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4347 result->this_arg.data.method = result->byval_arg.data.method = sig;
4348 result->this_arg.byref = TRUE;
4349 result->enum_basetype = &result->element_class->byval_arg;
4350 result->blittable = TRUE;
4352 mono_class_setup_supertypes (result);
4354 g_hash_table_insert (ptr_hash, sig, result);
4356 mono_loader_unlock ();
4358 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4364 mono_class_from_mono_type (MonoType *type)
4366 switch (type->type) {
4367 case MONO_TYPE_OBJECT:
4368 return type->data.klass? type->data.klass: mono_defaults.object_class;
4369 case MONO_TYPE_VOID:
4370 return type->data.klass? type->data.klass: mono_defaults.void_class;
4371 case MONO_TYPE_BOOLEAN:
4372 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4373 case MONO_TYPE_CHAR:
4374 return type->data.klass? type->data.klass: mono_defaults.char_class;
4376 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4378 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4380 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4382 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4384 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4386 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4388 return type->data.klass? type->data.klass: mono_defaults.int_class;
4390 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4392 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4394 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4396 return type->data.klass? type->data.klass: mono_defaults.single_class;
4398 return type->data.klass? type->data.klass: mono_defaults.double_class;
4399 case MONO_TYPE_STRING:
4400 return type->data.klass? type->data.klass: mono_defaults.string_class;
4401 case MONO_TYPE_TYPEDBYREF:
4402 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4403 case MONO_TYPE_ARRAY:
4404 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4406 return mono_ptr_class_get (type->data.type);
4407 case MONO_TYPE_FNPTR:
4408 return mono_fnptr_class_get (type->data.method);
4409 case MONO_TYPE_SZARRAY:
4410 return mono_array_class_get (type->data.klass, 1);
4411 case MONO_TYPE_CLASS:
4412 case MONO_TYPE_VALUETYPE:
4413 return type->data.klass;
4414 case MONO_TYPE_GENERICINST:
4415 return mono_generic_class_get_class (type->data.generic_class);
4417 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4418 case MONO_TYPE_MVAR:
4419 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4421 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4422 g_assert_not_reached ();
4429 * mono_type_retrieve_from_typespec
4430 * @image: context where the image is created
4431 * @type_spec: typespec token
4432 * @context: the generic context used to evaluate generic instantiations in
4435 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4437 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4440 if (context && (context->class_inst || context->method_inst)) {
4441 MonoType *inflated = inflate_generic_type (t, context);
4449 * mono_class_create_from_typespec
4450 * @image: context where the image is created
4451 * @type_spec: typespec token
4452 * @context: the generic context used to evaluate generic instantiations in
4455 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4457 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context);
4460 return mono_class_from_mono_type (t);
4464 * mono_bounded_array_class_get:
4465 * @element_class: element class
4466 * @rank: the dimension of the array class
4467 * @bounded: whenever the array has non-zero bounds
4469 * Returns: a class object describing the array with element type @element_type and
4473 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4477 MonoClass *parent = NULL;
4478 GSList *list, *rootlist;
4481 gboolean corlib_type = FALSE;
4483 g_assert (rank <= 255);
4486 /* bounded only matters for one-dimensional arrays */
4489 image = eclass->image;
4491 mono_loader_lock ();
4493 if (!image->array_cache)
4494 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4496 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
4497 for (; list; list = list->next) {
4499 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
4500 mono_loader_unlock ();
4506 /* for the building corlib use System.Array from it */
4507 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
4508 parent = mono_class_from_name (image, "System", "Array");
4511 parent = mono_defaults.array_class;
4512 if (!parent->inited)
4513 mono_class_init (parent);
4516 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4518 class->image = image;
4519 class->name_space = eclass->name_space;
4520 nsize = strlen (eclass->name);
4521 name = g_malloc (nsize + 2 + rank);
4522 memcpy (name, eclass->name, nsize);
4525 memset (name + nsize + 1, ',', rank - 1);
4526 name [nsize + rank] = ']';
4527 name [nsize + rank + 1] = 0;
4528 class->name = mono_mempool_strdup (image->mempool, name);
4531 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4533 class->type_token = 0;
4534 /* all arrays are marked serializable and sealed, bug #42779 */
4535 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
4536 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4537 class->parent = parent;
4538 class->instance_size = mono_class_instance_size (class->parent);
4540 if (eclass->enumtype && !eclass->enum_basetype) {
4541 if (!eclass->reflection_info || eclass->wastypebuilder) {
4542 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
4543 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
4545 /* element_size -1 is ok as this is not an instantitable type*/
4546 class->sizes.element_size = -1;
4548 class->sizes.element_size = mono_class_array_element_size (eclass);
4550 mono_class_setup_supertypes (class);
4552 if (mono_defaults.generic_ilist_class && !bounded && rank == 1) {
4555 /* generic IList, ICollection, IEnumerable */
4556 class->interface_count = 1;
4557 class->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass*) * class->interface_count);
4559 args [0] = &eclass->byval_arg;
4560 class->interfaces [0] = mono_class_bind_generic_parameters (
4561 mono_defaults.generic_ilist_class, 1, args, FALSE);
4564 if (eclass->generic_class)
4565 mono_class_init (eclass);
4566 if (!eclass->size_inited)
4567 mono_class_setup_fields (eclass);
4568 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
4572 if (eclass->enumtype)
4573 class->cast_class = eclass->element_class;
4575 class->cast_class = eclass;
4577 class->element_class = eclass;
4579 if ((rank > 1) || bounded) {
4580 MonoArrayType *at = mono_mempool_alloc0 (image->mempool, sizeof (MonoArrayType));
4581 class->byval_arg.type = MONO_TYPE_ARRAY;
4582 class->byval_arg.data.array = at;
4583 at->eklass = eclass;
4585 /* FIXME: complete.... */
4587 class->byval_arg.type = MONO_TYPE_SZARRAY;
4588 class->byval_arg.data.klass = eclass;
4590 class->this_arg = class->byval_arg;
4591 class->this_arg.byref = 1;
4596 class->generic_container = eclass->generic_container;
4598 list = g_slist_append (rootlist, class);
4599 g_hash_table_insert (image->array_cache, eclass, list);
4601 mono_loader_unlock ();
4603 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4609 * mono_array_class_get:
4610 * @element_class: element class
4611 * @rank: the dimension of the array class
4613 * Returns: a class object describing the array with element type @element_type and
4617 mono_array_class_get (MonoClass *eclass, guint32 rank)
4619 return mono_bounded_array_class_get (eclass, rank, FALSE);
4623 * mono_class_instance_size:
4626 * Returns: the size of an object instance
4629 mono_class_instance_size (MonoClass *klass)
4631 if (!klass->size_inited)
4632 mono_class_init (klass);
4634 return klass->instance_size;
4638 * mono_class_min_align:
4641 * Returns: minimm alignment requirements
4644 mono_class_min_align (MonoClass *klass)
4646 if (!klass->size_inited)
4647 mono_class_init (klass);
4649 return klass->min_align;
4653 * mono_class_value_size:
4656 * This function is used for value types, and return the
4657 * space and the alignment to store that kind of value object.
4659 * Returns: the size of a value of kind @klass
4662 mono_class_value_size (MonoClass *klass, guint32 *align)
4666 /* fixme: check disable, because we still have external revereces to
4667 * mscorlib and Dummy Objects
4669 /*g_assert (klass->valuetype);*/
4671 size = mono_class_instance_size (klass) - sizeof (MonoObject);
4674 *align = klass->min_align;
4680 * mono_class_data_size:
4683 * Returns: the size of the static class data
4686 mono_class_data_size (MonoClass *klass)
4689 mono_class_init (klass);
4691 /* in arrays, sizes.class_size is unioned with element_size
4692 * and arrays have no static fields
4696 return klass->sizes.class_size;
4700 * Auxiliary routine to mono_class_get_field
4702 * Takes a field index instead of a field token.
4704 static MonoClassField *
4705 mono_class_get_field_idx (MonoClass *class, int idx)
4707 mono_class_setup_fields_locking (class);
4710 if (class->image->uncompressed_metadata) {
4712 * class->field.first points to the FieldPtr table, while idx points into the
4713 * Field table, so we have to do a search.
4715 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
4718 for (i = 0; i < class->field.count; ++i)
4719 if (class->fields [i].name == name)
4720 return &class->fields [i];
4721 g_assert_not_reached ();
4723 if (class->field.count) {
4724 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
4725 return &class->fields [idx - class->field.first];
4729 class = class->parent;
4735 * mono_class_get_field:
4736 * @class: the class to lookup the field.
4737 * @field_token: the field token
4739 * Returns: A MonoClassField representing the type and offset of
4740 * the field, or a NULL value if the field does not belong to this
4744 mono_class_get_field (MonoClass *class, guint32 field_token)
4746 int idx = mono_metadata_token_index (field_token);
4748 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
4750 return mono_class_get_field_idx (class, idx - 1);
4754 * mono_class_get_field_from_name:
4755 * @klass: the class to lookup the field.
4756 * @name: the field name
4758 * Search the class @klass and it's parents for a field with the name @name.
4760 * Returns: the MonoClassField pointer of the named field or NULL
4763 mono_class_get_field_from_name (MonoClass *klass, const char *name)
4767 mono_class_setup_fields_locking (klass);
4769 for (i = 0; i < klass->field.count; ++i) {
4770 if (strcmp (name, klass->fields [i].name) == 0)
4771 return &klass->fields [i];
4773 klass = klass->parent;
4779 * mono_class_get_field_token:
4780 * @field: the field we need the token of
4782 * Get the token of a field. Note that the tokesn is only valid for the image
4783 * the field was loaded from. Don't use this function for fields in dynamic types.
4785 * Returns: the token representing the field in the image it was loaded from.
4788 mono_class_get_field_token (MonoClassField *field)
4790 MonoClass *klass = field->parent;
4793 mono_class_setup_fields_locking (klass);
4795 for (i = 0; i < klass->field.count; ++i) {
4796 if (&klass->fields [i] == field) {
4797 int idx = klass->field.first + i + 1;
4799 if (klass->image->uncompressed_metadata)
4800 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
4801 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
4804 klass = klass->parent;
4807 g_assert_not_reached ();
4812 * mono_class_get_field_default_value:
4814 * Return the default value of the field as a pointer into the metadata blob.
4817 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
4820 guint32 constant_cols [MONO_CONSTANT_SIZE];
4822 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
4825 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), cindex + 1);
4827 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
4829 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
4830 field->def_type = constant_cols [MONO_CONSTANT_TYPE];
4831 field->data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
4834 *def_type = field->def_type;
4839 mono_class_get_event_token (MonoEvent *event)
4841 MonoClass *klass = event->parent;
4845 for (i = 0; i < klass->event.count; ++i) {
4846 if (&klass->events [i] == event)
4847 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->event.first + i + 1);
4849 klass = klass->parent;
4852 g_assert_not_reached ();
4857 mono_class_get_property_from_name (MonoClass *klass, const char *name)
4861 gpointer iter = NULL;
4862 while ((p = mono_class_get_properties (klass, &iter))) {
4863 if (! strcmp (name, p->name))
4866 klass = klass->parent;
4872 mono_class_get_property_token (MonoProperty *prop)
4874 MonoClass *klass = prop->parent;
4878 gpointer iter = NULL;
4879 while ((p = mono_class_get_properties (klass, &iter))) {
4880 if (&klass->properties [i] == prop)
4881 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->property.first + i + 1);
4885 klass = klass->parent;
4888 g_assert_not_reached ();
4893 mono_class_name_from_token (MonoImage *image, guint32 type_token)
4895 const char *name, *nspace;
4897 return g_strdup_printf ("DynamicType 0x%08x", type_token);
4899 switch (type_token & 0xff000000){
4900 case MONO_TOKEN_TYPE_DEF: {
4901 guint32 cols [MONO_TYPEDEF_SIZE];
4902 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4903 guint tidx = mono_metadata_token_index (type_token);
4905 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4906 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4907 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4908 if (strlen (nspace) == 0)
4909 return g_strdup_printf ("%s", name);
4911 return g_strdup_printf ("%s.%s", nspace, name);
4914 case MONO_TOKEN_TYPE_REF: {
4915 guint32 cols [MONO_TYPEREF_SIZE];
4916 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
4918 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
4919 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
4920 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
4921 if (strlen (nspace) == 0)
4922 return g_strdup_printf ("%s", name);
4924 return g_strdup_printf ("%s.%s", nspace, name);
4927 case MONO_TOKEN_TYPE_SPEC:
4928 return g_strdup_printf ("Typespec 0x%08x", type_token);
4930 g_assert_not_reached ();
4937 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
4940 return g_strdup_printf ("DynamicAssembly %s", image->name);
4942 switch (type_token & 0xff000000){
4943 case MONO_TOKEN_TYPE_DEF:
4944 return mono_stringify_assembly_name (&image->assembly->aname);
4946 case MONO_TOKEN_TYPE_REF: {
4947 MonoAssemblyName aname;
4948 guint32 cols [MONO_TYPEREF_SIZE];
4949 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
4952 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
4954 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
4955 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
4956 case MONO_RESOLTION_SCOPE_MODULE:
4958 return g_strdup ("");
4959 case MONO_RESOLTION_SCOPE_MODULEREF:
4961 return g_strdup ("");
4962 case MONO_RESOLTION_SCOPE_TYPEREF:
4964 return g_strdup ("");
4965 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
4966 mono_assembly_get_assemblyref (image, idx - 1, &aname);
4967 return mono_stringify_assembly_name (&aname);
4969 g_assert_not_reached ();
4973 case MONO_TOKEN_TYPE_SPEC:
4975 return g_strdup ("");
4977 g_assert_not_reached ();
4984 * mono_class_get_full:
4985 * @image: the image where the class resides
4986 * @type_token: the token for the class
4987 * @context: the generic context used to evaluate generic instantiations in
4989 * Returns: the MonoClass that represents @type_token in @image
4992 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
4994 MonoClass *class = NULL;
4996 if (image->dynamic) {
4997 int table = mono_metadata_token_table (type_token);
4999 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5000 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5003 return mono_lookup_dynamic_token (image, type_token, context);
5006 switch (type_token & 0xff000000){
5007 case MONO_TOKEN_TYPE_DEF:
5008 class = mono_class_create_from_typedef (image, type_token);
5010 case MONO_TOKEN_TYPE_REF:
5011 class = mono_class_from_typeref (image, type_token);
5013 case MONO_TOKEN_TYPE_SPEC:
5014 class = mono_class_create_from_typespec (image, type_token, context);
5017 g_warning ("unknown token type %x", type_token & 0xff000000);
5018 g_assert_not_reached ();
5022 char *name = mono_class_name_from_token (image, type_token);
5023 char *assembly = mono_assembly_name_from_token (image, type_token);
5024 mono_loader_set_error_type_load (name, assembly);
5032 * mono_type_get_full:
5033 * @image: the image where the type resides
5034 * @type_token: the token for the type
5035 * @context: the generic context used to evaluate generic instantiations in
5037 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5039 * Returns: the MonoType that represents @type_token in @image
5042 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5044 MonoType *type = NULL;
5046 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5048 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5050 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5051 MonoClass *class = mono_class_get_full (image, type_token, context);
5052 return class ? mono_class_get_type (class) : NULL;
5055 type = mono_type_retrieve_from_typespec (image, type_token, context);
5058 char *name = mono_class_name_from_token (image, type_token);
5059 char *assembly = mono_assembly_name_from_token (image, type_token);
5060 mono_loader_set_error_type_load (name, assembly);
5068 mono_class_get (MonoImage *image, guint32 type_token)
5070 return mono_class_get_full (image, type_token, NULL);
5074 * mono_image_init_name_cache:
5076 * Initializes the class name cache stored in image->name_cache.
5078 * LOCKING: Acquires the loader lock.
5081 mono_image_init_name_cache (MonoImage *image)
5083 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5084 guint32 cols [MONO_TYPEDEF_SIZE];
5087 guint32 i, visib, nspace_index;
5088 GHashTable *name_cache2, *nspace_table;
5090 mono_loader_lock ();
5092 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5094 if (image->dynamic) {
5095 mono_loader_unlock ();
5099 /* Temporary hash table to avoid lookups in the nspace_table */
5100 name_cache2 = g_hash_table_new (NULL, NULL);
5102 for (i = 1; i <= t->rows; ++i) {
5103 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5104 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5106 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5107 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5109 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5111 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5112 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5114 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5115 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5116 if (!nspace_table) {
5117 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5118 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5119 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5122 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5125 /* Load type names from EXPORTEDTYPES table */
5127 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5128 guint32 cols [MONO_EXP_TYPE_SIZE];
5131 for (i = 0; i < t->rows; ++i) {
5132 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5133 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5134 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5136 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5137 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5138 if (!nspace_table) {
5139 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5140 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5141 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5144 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5148 g_hash_table_destroy (name_cache2);
5150 mono_loader_unlock ();
5154 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5155 const char *name, guint32 index)
5157 GHashTable *nspace_table;
5158 GHashTable *name_cache;
5160 mono_loader_lock ();
5162 if (!image->name_cache)
5163 mono_image_init_name_cache (image);
5165 name_cache = image->name_cache;
5166 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5167 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5168 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5170 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5172 mono_loader_unlock ();
5181 find_nocase (gpointer key, gpointer value, gpointer user_data)
5183 char *name = (char*)key;
5184 FindUserData *data = (FindUserData*)user_data;
5186 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5187 data->value = value;
5191 * mono_class_from_name_case:
5192 * @image: The MonoImage where the type is looked up in
5193 * @name_space: the type namespace
5194 * @name: the type short name.
5196 * Obtains a MonoClass with a given namespace and a given name which
5197 * is located in the given MonoImage. The namespace and name
5198 * lookups are case insensitive.
5201 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5203 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5204 guint32 cols [MONO_TYPEDEF_SIZE];
5209 if (image->dynamic) {
5211 FindUserData user_data;
5213 mono_loader_lock ();
5215 if (!image->name_cache)
5216 mono_image_init_name_cache (image);
5218 user_data.key = name_space;
5219 user_data.value = NULL;
5220 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5222 if (user_data.value) {
5223 GHashTable *nspace_table = (GHashTable*)user_data.value;
5225 user_data.key = name;
5226 user_data.value = NULL;
5228 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5230 if (user_data.value)
5231 token = GPOINTER_TO_UINT (user_data.value);
5234 mono_loader_unlock ();
5237 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5243 /* add a cache if needed */
5244 for (i = 1; i <= t->rows; ++i) {
5245 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5246 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5248 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5249 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5251 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5253 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5254 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5255 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5256 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5262 return_nested_in (MonoClass *class, char *nested) {
5264 char *s = strchr (nested, '/');
5271 for (tmp = class->nested_classes; tmp; tmp = tmp->next) {
5273 if (strcmp (found->name, nested) == 0) {
5275 return return_nested_in (found, s);
5284 * mono_class_from_name:
5285 * @image: The MonoImage where the type is looked up in
5286 * @name_space: the type namespace
5287 * @name: the type short name.
5289 * Obtains a MonoClass with a given namespace and a given name which
5290 * is located in the given MonoImage.
5293 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5295 GHashTable *nspace_table;
5296 MonoImage *loaded_image;
5303 if ((nested = strchr (name, '/'))) {
5304 int pos = nested - name;
5305 int len = strlen (name);
5308 memcpy (buf, name, len + 1);
5310 nested = buf + pos + 1;
5314 if (get_class_from_name) {
5315 gboolean res = get_class_from_name (image, name_space, name, &class);
5318 return class ? return_nested_in (class, nested) : NULL;
5324 mono_loader_lock ();
5326 if (!image->name_cache)
5327 mono_image_init_name_cache (image);
5329 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5332 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5334 mono_loader_unlock ();
5336 if (!token && image->dynamic && image->modules) {
5337 /* Search modules as well */
5338 for (i = 0; i < image->module_count; ++i) {
5339 MonoImage *module = image->modules [i];
5341 class = mono_class_from_name (module, name_space, name);
5350 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
5351 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5352 guint32 cols [MONO_EXP_TYPE_SIZE];
5355 idx = mono_metadata_token_index (token);
5357 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
5359 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
5360 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
5361 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
5364 class = mono_class_from_name (loaded_image, name_space, name);
5366 return return_nested_in (class, nested);
5368 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
5369 MonoAssembly **references = image->references;
5370 if (!references [idx - 1])
5371 mono_assembly_load_reference (image, idx - 1);
5372 g_assert (references == image->references);
5373 g_assert (references [idx - 1]);
5374 if (references [idx - 1] == (gpointer)-1)
5377 /* FIXME: Cycle detection */
5378 return mono_class_from_name (references [idx - 1]->image, name_space, name);
5380 g_error ("not yet implemented");
5384 token = MONO_TOKEN_TYPE_DEF | token;
5386 class = mono_class_get (image, token);
5388 return return_nested_in (class, nested);
5393 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
5394 gboolean check_interfaces)
5396 g_assert (klassc->idepth > 0);
5397 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
5398 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
5400 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
5403 for (i = 0; i < klass->interface_count; i ++) {
5404 MonoClass *ic = klass->interfaces [i];
5409 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
5414 * MS.NET thinks interfaces are a subclass of Object, so we think it as
5417 if (klassc == mono_defaults.object_class)
5424 mono_class_has_variant_generic_params (MonoClass *klass)
5427 MonoGenericContainer *container;
5429 if (!klass->generic_class)
5432 container = klass->generic_class->container_class->generic_container;
5434 for (i = 0; i < container->type_argc; ++i)
5435 if (container->type_params [i].flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT))
5442 * mono_class_is_assignable_from:
5443 * @klass: the class to be assigned to
5444 * @oklass: the source class
5446 * Return: true if an instance of object oklass can be assigned to an
5447 * instance of object @klass
5450 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
5453 mono_class_init (klass);
5455 if (!oklass->inited)
5456 mono_class_init (oklass);
5458 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
5459 return klass == oklass;
5461 if (MONO_CLASS_IS_INTERFACE (klass)) {
5462 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
5465 /* interface_offsets might not be set for dynamic classes */
5466 if (oklass->reflection_info && !oklass->interface_bitmap)
5468 * oklass might be a generic type parameter but they have
5469 * interface_offsets set.
5471 return mono_reflection_call_is_assignable_to (oklass, klass);
5473 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
5476 if (mono_class_has_variant_generic_params (klass)) {
5477 if (oklass->generic_class) {
5479 gboolean match = FALSE;
5480 MonoClass *container_class1 = klass->generic_class->container_class;
5481 MonoClass *container_class2 = oklass->generic_class->container_class;
5484 * Check whenever the generic definition of oklass implements the
5485 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
5486 * here since the relevant tables are not set up.
5488 for (i = 0; i < container_class2->interface_offsets_count; ++i)
5489 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)))
5493 MonoGenericContainer *container;
5495 container = klass->generic_class->container_class->generic_container;
5498 for (i = 0; i < container->type_argc; ++i) {
5499 MonoClass *param1_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
5500 MonoClass *param2_class = mono_class_from_mono_type (oklass->generic_class->context.class_inst->type_argv [i]);
5503 * The _VARIANT and _COVARIANT constants should read _COVARIANT and
5504 * _CONTRAVARIANT, but they are in a public header so we can't fix it.
5506 if (param1_class != param2_class) {
5507 if ((container->type_params [i].flags & MONO_GEN_PARAM_VARIANT) && mono_class_is_assignable_from (param1_class, param2_class))
5509 else if (((container->type_params [i].flags & MONO_GEN_PARAM_COVARIANT) && mono_class_is_assignable_from (param2_class, param1_class)))
5521 } else if (klass->rank) {
5522 MonoClass *eclass, *eoclass;
5524 if (oklass->rank != klass->rank)
5527 /* vectors vs. one dimensional arrays */
5528 if (oklass->byval_arg.type != klass->byval_arg.type)
5531 eclass = klass->cast_class;
5532 eoclass = oklass->cast_class;
5535 * a is b does not imply a[] is b[] when a is a valuetype, and
5536 * b is a reference type.
5539 if (eoclass->valuetype) {
5540 if ((eclass == mono_defaults.enum_class) ||
5541 (eclass == mono_defaults.enum_class->parent) ||
5542 (eclass == mono_defaults.object_class))
5546 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
5547 } else if (mono_class_is_nullable (klass))
5548 return (mono_class_is_assignable_from (klass->cast_class, oklass));
5549 else if (klass == mono_defaults.object_class)
5552 return mono_class_has_parent (oklass, klass);
5556 * mono_class_get_cctor:
5557 * @klass: A MonoClass pointer
5559 * Returns: the static constructor of @klass if it exists, NULL otherwise.
5562 mono_class_get_cctor (MonoClass *klass)
5564 MonoCachedClassInfo cached_info;
5566 if (!klass->has_cctor)
5569 if (mono_class_get_cached_class_info (klass, &cached_info))
5570 return mono_get_method (klass->image, cached_info.cctor_token, klass);
5572 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
5576 * mono_class_get_finalizer:
5577 * @klass: The MonoClass pointer
5579 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
5582 mono_class_get_finalizer (MonoClass *klass)
5584 MonoCachedClassInfo cached_info;
5587 mono_class_init (klass);
5588 if (!klass->has_finalize)
5591 if (mono_class_get_cached_class_info (klass, &cached_info))
5592 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
5594 mono_class_setup_vtable (klass);
5595 return klass->vtable [finalize_slot];
5600 * mono_class_needs_cctor_run:
5601 * @klass: the MonoClass pointer
5602 * @caller: a MonoMethod describing the caller
5604 * Determines whenever the class has a static constructor and whenever it
5605 * needs to be called when executing CALLER.
5608 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
5612 method = mono_class_get_cctor (klass);
5614 return (method == caller) ? FALSE : TRUE;
5620 * mono_class_array_element_size:
5623 * Returns: the number of bytes an element of type @klass
5624 * uses when stored into an array.
5627 mono_class_array_element_size (MonoClass *klass)
5629 MonoType *type = &klass->byval_arg;
5632 switch (type->type) {
5635 case MONO_TYPE_BOOLEAN:
5639 case MONO_TYPE_CHAR:
5648 case MONO_TYPE_CLASS:
5649 case MONO_TYPE_STRING:
5650 case MONO_TYPE_OBJECT:
5651 case MONO_TYPE_SZARRAY:
5652 case MONO_TYPE_ARRAY:
5654 case MONO_TYPE_MVAR:
5655 return sizeof (gpointer);
5660 case MONO_TYPE_VALUETYPE:
5661 if (type->data.klass->enumtype) {
5662 type = type->data.klass->enum_basetype;
5663 klass = klass->element_class;
5666 return mono_class_instance_size (klass) - sizeof (MonoObject);
5667 case MONO_TYPE_GENERICINST:
5668 type = &type->data.generic_class->container_class->byval_arg;
5671 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
5677 * mono_array_element_size:
5678 * @ac: pointer to a #MonoArrayClass
5680 * Returns: the size of single array element.
5683 mono_array_element_size (MonoClass *ac)
5685 g_assert (ac->rank);
5686 return ac->sizes.element_size;
5690 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
5691 MonoGenericContext *context)
5693 if (image->dynamic) {
5694 MonoClass *tmp_handle_class;
5695 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
5697 g_assert (tmp_handle_class);
5699 *handle_class = tmp_handle_class;
5701 if (tmp_handle_class == mono_defaults.typehandle_class)
5702 return &((MonoClass*)obj)->byval_arg;
5707 switch (token & 0xff000000) {
5708 case MONO_TOKEN_TYPE_DEF:
5709 case MONO_TOKEN_TYPE_REF:
5710 case MONO_TOKEN_TYPE_SPEC: {
5713 *handle_class = mono_defaults.typehandle_class;
5714 type = mono_type_get_full (image, token, context);
5717 mono_class_init (mono_class_from_mono_type (type));
5718 /* We return a MonoType* as handle */
5721 case MONO_TOKEN_FIELD_DEF: {
5723 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
5725 *handle_class = mono_defaults.fieldhandle_class;
5726 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
5729 mono_class_init (class);
5730 return mono_class_get_field (class, token);
5732 case MONO_TOKEN_METHOD_DEF:
5733 case MONO_TOKEN_METHOD_SPEC: {
5735 meth = mono_get_method_full (image, token, NULL, context);
5737 *handle_class = mono_defaults.methodhandle_class;
5740 case MONO_TOKEN_MEMBER_REF: {
5741 guint32 cols [MONO_MEMBERREF_SIZE];
5743 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
5744 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
5745 mono_metadata_decode_blob_size (sig, &sig);
5746 if (*sig == 0x6) { /* it's a field */
5748 MonoClassField *field;
5749 field = mono_field_from_token (image, token, &klass, context);
5751 *handle_class = mono_defaults.fieldhandle_class;
5755 meth = mono_get_method_full (image, token, NULL, context);
5757 *handle_class = mono_defaults.methodhandle_class;
5762 g_warning ("Unknown token 0x%08x in ldtoken", token);
5769 * This function might need to call runtime functions so it can't be part
5770 * of the metadata library.
5772 static MonoLookupDynamicToken lookup_dynamic = NULL;
5775 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
5777 lookup_dynamic = func;
5781 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
5783 MonoClass *handle_class;
5785 return lookup_dynamic (image, token, TRUE, &handle_class, context);
5789 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
5791 return lookup_dynamic (image, token, valid_token, handle_class, context);
5794 static MonoGetCachedClassInfo get_cached_class_info = NULL;
5797 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
5799 get_cached_class_info = func;
5803 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
5805 if (!get_cached_class_info)
5808 return get_cached_class_info (klass, res);
5812 mono_install_get_class_from_name (MonoGetClassFromName func)
5814 get_class_from_name = func;
5818 mono_class_get_image (MonoClass *klass)
5820 return klass->image;
5824 * mono_class_get_element_class:
5825 * @klass: the MonoClass to act on
5827 * Returns: the element class of an array or an enumeration.
5830 mono_class_get_element_class (MonoClass *klass)
5832 return klass->element_class;
5836 * mono_class_is_valuetype:
5837 * @klass: the MonoClass to act on
5839 * Returns: true if the MonoClass represents a ValueType.
5842 mono_class_is_valuetype (MonoClass *klass)
5844 return klass->valuetype;
5848 * mono_class_is_enum:
5849 * @klass: the MonoClass to act on
5851 * Returns: true if the MonoClass represents an enumeration.
5854 mono_class_is_enum (MonoClass *klass)
5856 return klass->enumtype;
5860 * mono_class_enum_basetype:
5861 * @klass: the MonoClass to act on
5863 * Returns: the underlying type representation for an enumeration.
5866 mono_class_enum_basetype (MonoClass *klass)
5868 return klass->enum_basetype;
5872 * mono_class_get_parent
5873 * @klass: the MonoClass to act on
5875 * Returns: the parent class for this class.
5878 mono_class_get_parent (MonoClass *klass)
5880 return klass->parent;
5884 * mono_class_get_nesting_type;
5885 * @klass: the MonoClass to act on
5887 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
5890 mono_class_get_nesting_type (MonoClass *klass)
5892 return klass->nested_in;
5896 * mono_class_get_rank:
5897 * @klass: the MonoClass to act on
5899 * Returns: the rank for the array (the number of dimensions).
5902 mono_class_get_rank (MonoClass *klass)
5908 * mono_class_get_flags:
5909 * @klass: the MonoClass to act on
5911 * The type flags from the TypeDef table from the metadata.
5912 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
5915 * Returns: the flags from the TypeDef table.
5918 mono_class_get_flags (MonoClass *klass)
5920 return klass->flags;
5924 * mono_class_get_name
5925 * @klass: the MonoClass to act on
5927 * Returns: the name of the class.
5930 mono_class_get_name (MonoClass *klass)
5936 * mono_class_get_namespace:
5937 * @klass: the MonoClass to act on
5939 * Returns: the namespace of the class.
5942 mono_class_get_namespace (MonoClass *klass)
5944 return klass->name_space;
5948 * mono_class_get_type:
5949 * @klass: the MonoClass to act on
5951 * This method returns the internal Type representation for the class.
5953 * Returns: the MonoType from the class.
5956 mono_class_get_type (MonoClass *klass)
5958 return &klass->byval_arg;
5962 * mono_class_get_type_token
5963 * @klass: the MonoClass to act on
5965 * This method returns type token for the class.
5967 * Returns: the type token for the class.
5970 mono_class_get_type_token (MonoClass *klass)
5972 return klass->type_token;
5976 * mono_class_get_byref_type:
5977 * @klass: the MonoClass to act on
5982 mono_class_get_byref_type (MonoClass *klass)
5984 return &klass->this_arg;
5988 * mono_class_num_fields:
5989 * @klass: the MonoClass to act on
5991 * Returns: the number of static and instance fields in the class.
5994 mono_class_num_fields (MonoClass *klass)
5996 return klass->field.count;
6000 * mono_class_num_methods:
6001 * @klass: the MonoClass to act on
6003 * Returns: the number of methods in the class.
6006 mono_class_num_methods (MonoClass *klass)
6008 return klass->method.count;
6012 * mono_class_num_properties
6013 * @klass: the MonoClass to act on
6015 * Returns: the number of properties in the class.
6018 mono_class_num_properties (MonoClass *klass)
6020 mono_class_setup_properties (klass);
6022 return klass->property.count;
6026 * mono_class_num_events:
6027 * @klass: the MonoClass to act on
6029 * Returns: the number of events in the class.
6032 mono_class_num_events (MonoClass *klass)
6034 mono_class_setup_events (klass);
6036 return klass->event.count;
6040 * mono_class_get_fields:
6041 * @klass: the MonoClass to act on
6043 * This routine is an iterator routine for retrieving the fields in a class.
6045 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6046 * iterate over all of the elements. When no more values are
6047 * available, the return value is NULL.
6049 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6052 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6054 MonoClassField* field;
6057 mono_class_setup_fields_locking (klass);
6059 /* start from the first */
6060 if (klass->field.count) {
6061 return *iter = &klass->fields [0];
6069 if (field < &klass->fields [klass->field.count]) {
6070 return *iter = field;
6076 * mono_class_get_methods
6077 * @klass: the MonoClass to act on
6079 * This routine is an iterator routine for retrieving the fields in a class.
6081 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6082 * iterate over all of the elements. When no more values are
6083 * available, the return value is NULL.
6085 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6088 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6090 MonoMethod** method;
6094 mono_class_init (klass);
6096 mono_class_setup_methods (klass);
6097 /* start from the first */
6098 if (klass->method.count) {
6099 *iter = &klass->methods [0];
6100 return klass->methods [0];
6108 if (method < &klass->methods [klass->method.count]) {
6116 * mono_class_get_properties:
6117 * @klass: the MonoClass to act on
6119 * This routine is an iterator routine for retrieving the properties in a class.
6121 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6122 * iterate over all of the elements. When no more values are
6123 * available, the return value is NULL.
6125 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6128 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6130 MonoProperty* property;
6134 mono_class_init (klass);
6136 mono_class_setup_properties (klass);
6137 /* start from the first */
6138 if (klass->property.count) {
6139 return *iter = &klass->properties [0];
6147 if (property < &klass->properties [klass->property.count]) {
6148 return *iter = property;
6154 * mono_class_get_events:
6155 * @klass: the MonoClass to act on
6157 * This routine is an iterator routine for retrieving the properties in a class.
6159 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6160 * iterate over all of the elements. When no more values are
6161 * available, the return value is NULL.
6163 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6166 mono_class_get_events (MonoClass* klass, gpointer *iter)
6172 mono_class_init (klass);
6174 mono_class_setup_events (klass);
6175 /* start from the first */
6176 if (klass->event.count) {
6177 return *iter = &klass->events [0];
6185 if (event < &klass->events [klass->event.count]) {
6186 return *iter = event;
6192 * mono_class_get_interfaces
6193 * @klass: the MonoClass to act on
6195 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6197 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6198 * iterate over all of the elements. When no more values are
6199 * available, the return value is NULL.
6201 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6204 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6210 mono_class_init (klass);
6212 /* start from the first */
6213 if (klass->interface_count) {
6214 *iter = &klass->interfaces [0];
6215 return klass->interfaces [0];
6223 if (iface < &klass->interfaces [klass->interface_count]) {
6231 * mono_class_get_nested_types
6232 * @klass: the MonoClass to act on
6234 * This routine is an iterator routine for retrieving the nested types of a class.
6235 * This works only if @klass is non-generic, or a generic type definition.
6237 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6238 * iterate over all of the elements. When no more values are
6239 * available, the return value is NULL.
6241 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6244 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6250 mono_class_init (klass);
6252 /* start from the first */
6253 if (klass->nested_classes) {
6254 *iter = klass->nested_classes;
6255 return klass->nested_classes->data;
6257 /* no nested types */
6271 * mono_field_get_name:
6272 * @field: the MonoClassField to act on
6274 * Returns: the name of the field.
6277 mono_field_get_name (MonoClassField *field)
6283 * mono_field_get_type:
6284 * @field: the MonoClassField to act on
6286 * Returns: MonoType of the field.
6289 mono_field_get_type (MonoClassField *field)
6295 * mono_field_get_type:
6296 * @field: the MonoClassField to act on
6298 * Returns: MonoClass where the field was defined.
6301 mono_field_get_parent (MonoClassField *field)
6303 return field->parent;
6307 * mono_field_get_flags;
6308 * @field: the MonoClassField to act on
6310 * The metadata flags for a field are encoded using the
6311 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6313 * Returns: the flags for the field.
6316 mono_field_get_flags (MonoClassField *field)
6318 return field->type->attrs;
6322 * mono_field_get_offset;
6323 * @field: the MonoClassField to act on
6325 * Returns: the field offset.
6328 mono_field_get_offset (MonoClassField *field)
6330 return field->offset;
6334 * mono_field_get_data;
6335 * @field: the MonoClassField to act on
6337 * Returns: pointer to the metadata constant value or to the field
6338 * data if it has an RVA flag.
6341 mono_field_get_data (MonoClassField *field)
6347 * mono_property_get_name:
6348 * @prop: the MonoProperty to act on
6350 * Returns: the name of the property
6353 mono_property_get_name (MonoProperty *prop)
6359 * mono_property_get_set_method
6360 * @prop: the MonoProperty to act on.
6362 * Returns: the setter method of the property (A MonoMethod)
6365 mono_property_get_set_method (MonoProperty *prop)
6371 * mono_property_get_get_method
6372 * @prop: the MonoProperty to act on.
6374 * Returns: the setter method of the property (A MonoMethod)
6377 mono_property_get_get_method (MonoProperty *prop)
6383 * mono_property_get_parent:
6384 * @prop: the MonoProperty to act on.
6386 * Returns: the MonoClass where the property was defined.
6389 mono_property_get_parent (MonoProperty *prop)
6391 return prop->parent;
6395 * mono_property_get_flags:
6396 * @prop: the MonoProperty to act on.
6398 * The metadata flags for a property are encoded using the
6399 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6401 * Returns: the flags for the property.
6404 mono_property_get_flags (MonoProperty *prop)
6410 * mono_event_get_name:
6411 * @event: the MonoEvent to act on
6413 * Returns: the name of the event.
6416 mono_event_get_name (MonoEvent *event)
6422 * mono_event_get_add_method:
6423 * @event: The MonoEvent to act on.
6425 * Returns: the @add' method for the event (a MonoMethod).
6428 mono_event_get_add_method (MonoEvent *event)
6434 * mono_event_get_remove_method:
6435 * @event: The MonoEvent to act on.
6437 * Returns: the @remove method for the event (a MonoMethod).
6440 mono_event_get_remove_method (MonoEvent *event)
6442 return event->remove;
6446 * mono_event_get_raise_method:
6447 * @event: The MonoEvent to act on.
6449 * Returns: the @raise method for the event (a MonoMethod).
6452 mono_event_get_raise_method (MonoEvent *event)
6454 return event->raise;
6458 * mono_event_get_parent:
6459 * @event: the MonoEvent to act on.
6461 * Returns: the MonoClass where the event is defined.
6464 mono_event_get_parent (MonoEvent *event)
6466 return event->parent;
6470 * mono_event_get_flags
6471 * @event: the MonoEvent to act on.
6473 * The metadata flags for an event are encoded using the
6474 * EVENT_* constants. See the tabledefs.h file for details.
6476 * Returns: the flags for the event.
6479 mono_event_get_flags (MonoEvent *event)
6481 return event->attrs;
6485 * mono_class_get_method_from_name:
6486 * @klass: where to look for the method
6487 * @name_space: name of the method
6488 * @param_count: number of parameters. -1 for any number.
6490 * Obtains a MonoMethod with a given name and number of parameters.
6491 * It only works if there are no multiple signatures for any given method name.
6494 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
6496 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
6500 * mono_class_get_method_from_name_flags:
6501 * @klass: where to look for the method
6502 * @name_space: name of the method
6503 * @param_count: number of parameters. -1 for any number.
6504 * @flags: flags which must be set in the method
6506 * Obtains a MonoMethod with a given name and number of parameters.
6507 * It only works if there are no multiple signatures for any given method name.
6510 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
6512 MonoMethod *res = NULL;
6515 mono_class_init (klass);
6517 if (klass->methods) {
6518 mono_class_setup_methods (klass);
6519 for (i = 0; i < klass->method.count; ++i) {
6520 MonoMethod *method = klass->methods [i];
6522 if (method->name[0] == name [0] &&
6523 !strcmp (name, method->name) &&
6524 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
6525 ((method->flags & flags) == flags)) {
6532 /* Search directly in the metadata to avoid calling setup_methods () */
6533 for (i = 0; i < klass->method.count; ++i) {
6534 guint32 cols [MONO_METHOD_SIZE];
6537 /* class->method.first points into the methodptr table */
6538 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6540 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
6541 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6542 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
6554 * mono_class_set_failure:
6555 * @klass: class in which the failure was detected
6556 * @ex_type: the kind of exception/error to be thrown (later)
6557 * @ex_data: exception data (specific to each type of exception/error)
6559 * Keep a detected failure informations in the class for later processing.
6560 * Note that only the first failure is kept.
6563 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
6565 if (klass->exception_type)
6567 klass->exception_type = ex_type;
6568 klass->exception_data = ex_data;
6573 * mono_classes_init:
6575 * Initialize the resources used by this module.
6578 mono_classes_init (void)
6583 * mono_classes_cleanup:
6585 * Free the resources used by this module.
6588 mono_classes_cleanup (void)
6590 IOffsetInfo *cached_info, *next;
6592 if (global_interface_bitset)
6593 mono_bitset_free (global_interface_bitset);
6595 for (cached_info = cached_offset_info; cached_info;) {
6596 next = cached_info->next;
6598 g_free (cached_info);
6604 * mono_class_get_exception_for_failure:
6605 * @klass: class in which the failure was detected
6607 * Return a constructed MonoException than the caller can then throw
6608 * using mono_raise_exception - or NULL if no failure is present (or
6609 * doesn't result in an exception).
6612 mono_class_get_exception_for_failure (MonoClass *klass)
6614 switch (klass->exception_type) {
6615 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
6616 MonoDomain *domain = mono_domain_get ();
6617 MonoSecurityManager* secman = mono_security_manager_get_methods ();
6618 MonoMethod *method = klass->exception_data;
6619 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
6620 MonoObject *exc = NULL;
6624 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
6625 args [2] = mono_type_get_object (domain, &klass->byval_arg);
6626 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
6628 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
6629 return (MonoException*) exc;
6631 case MONO_EXCEPTION_TYPE_LOAD: {
6634 char *str = mono_type_get_full_name (klass);
6635 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
6636 name = mono_string_new (mono_domain_get (), str);
6638 ex = mono_get_exception_type_load (name, astr);
6642 case MONO_EXCEPTION_MISSING_METHOD: {
6643 char *class_name = klass->exception_data;
6644 char *assembly_name = class_name + strlen (class_name) + 1;
6646 return mono_get_exception_missing_method (class_name, assembly_name);
6648 case MONO_EXCEPTION_MISSING_FIELD: {
6649 char *class_name = klass->exception_data;
6650 char *member_name = class_name + strlen (class_name) + 1;
6652 return mono_get_exception_missing_field (class_name, member_name);
6654 case MONO_EXCEPTION_FILE_NOT_FOUND: {
6655 char *msg_format = klass->exception_data;
6656 char *assembly_name = msg_format + strlen (msg_format) + 1;
6657 char *msg = g_strdup_printf (msg_format, assembly_name);
6660 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
6666 case MONO_EXCEPTION_BAD_IMAGE: {
6667 return mono_get_exception_bad_image_format (klass->exception_data);
6670 MonoLoaderError *error;
6673 error = mono_loader_get_last_error ();
6675 ex = mono_loader_error_prepare_exception (error);
6679 /* TODO - handle other class related failures */
6686 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
6689 if (accessing == accessed)
6691 if (!accessed || !accessing)
6693 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
6694 MonoAssemblyName *friend = tmp->data;
6695 /* Be conservative with checks */
6698 if (strcmp (accessing->aname.name, friend->name))
6700 if (friend->public_key_token [0]) {
6701 if (!accessing->aname.public_key_token [0])
6703 if (strcmp ((char*)friend->public_key_token, (char*)accessing->aname.public_key_token))
6712 * If klass is a generic type or if it is derived from a generic type, return the
6713 * MonoClass of the generic definition
6714 * Returns NULL if not found
6717 get_generic_definition_class (MonoClass *klass)
6720 if (klass->generic_class && klass->generic_class->container_class)
6721 return klass->generic_class->container_class;
6722 klass = klass->parent;
6727 /* FIXME: check visibility of type, too */
6729 can_access_member (MonoClass *access_klass, MonoClass *member_klass, int access_level)
6731 MonoClass *member_generic_def;
6732 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
6733 access_klass->generic_container) &&
6734 (member_generic_def = get_generic_definition_class (member_klass))) {
6735 MonoClass *access_container;
6737 if (access_klass->generic_container)
6738 access_container = access_klass;
6740 access_container = access_klass->generic_class->container_class;
6742 if (can_access_member (access_container, member_generic_def, access_level))
6746 /* Partition I 8.5.3.2 */
6747 /* the access level values are the same for fields and methods */
6748 switch (access_level) {
6749 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
6750 /* same compilation unit */
6751 return access_klass->image == member_klass->image;
6752 case FIELD_ATTRIBUTE_PRIVATE:
6753 return access_klass == member_klass;
6754 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
6755 if (mono_class_has_parent (access_klass, member_klass) &&
6756 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
6759 case FIELD_ATTRIBUTE_ASSEMBLY:
6760 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
6761 case FIELD_ATTRIBUTE_FAMILY:
6762 if (mono_class_has_parent (access_klass, member_klass))
6765 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
6766 if (mono_class_has_parent (access_klass, member_klass))
6768 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
6769 case FIELD_ATTRIBUTE_PUBLIC:
6776 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
6778 /* FIXME: check all overlapping fields */
6779 int can = can_access_member (method->klass, field->parent, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
6781 MonoClass *nested = method->klass->nested_in;
6783 can = can_access_member (nested, field->parent, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
6786 nested = nested->nested_in;
6793 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
6795 int can = can_access_member (method->klass, called->klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
6797 MonoClass *nested = method->klass->nested_in;
6799 can = can_access_member (nested, called->klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
6802 nested = nested->nested_in;
6807 * with generics calls to explicit interface implementations can be expressed
6808 * directly: the method is private, but we must allow it. This may be opening
6809 * a hole or the generics code should handle this differently.
6810 * Maybe just ensure the interface type is public.
6812 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
6818 * mono_type_is_valid_enum_basetype:
6819 * @type: The MonoType to check
6821 * Returns: TRUE if the type can be used as the basetype of an enum
6823 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
6824 switch (type->type) {
6827 case MONO_TYPE_BOOLEAN:
6830 case MONO_TYPE_CHAR:
6843 * mono_class_is_valid_enum:
6844 * @klass: An enum class to be validated
6846 * This method verify the required properties an enum should have.
6848 * Returns: TRUE if the informed enum class is valid
6850 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
6851 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
6852 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
6854 gboolean mono_class_is_valid_enum (MonoClass *klass) {
6855 MonoClassField * field;
6856 gpointer iter = NULL;
6857 gboolean found_base_field = FALSE;
6859 g_assert (klass->enumtype);
6860 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
6861 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
6865 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
6868 while ((field = mono_class_get_fields (klass, &iter))) {
6869 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
6870 if (found_base_field)
6872 found_base_field = TRUE;
6873 if (!mono_type_is_valid_enum_basetype (field->type))
6878 if (!found_base_field)
6881 if (klass->method.count > 0)
6888 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
6890 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
6894 * mono_class_generic_sharing_enabled:
6897 * Returns whether generic sharing is enabled for class.
6899 * This is a stop-gap measure to slowly introduce generic sharing
6900 * until we have all the issues sorted out, at which time this
6901 * function will disappear and generic sharing will always be enabled.
6904 mono_class_generic_sharing_enabled (MonoClass *class)
6906 static int generic_sharing = MONO_GENERIC_SHARING_CORLIB;
6907 static gboolean inited = FALSE;
6912 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
6913 if (strcmp (option, "corlib") == 0)
6914 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
6915 else if (strcmp (option, "all") == 0)
6916 generic_sharing = MONO_GENERIC_SHARING_ALL;
6917 else if (strcmp (option, "none") == 0)
6918 generic_sharing = MONO_GENERIC_SHARING_NONE;
6920 g_warning ("Unknown generic sharing option `%s'.", option);
6926 switch (generic_sharing) {
6927 case MONO_GENERIC_SHARING_NONE:
6929 case MONO_GENERIC_SHARING_ALL:
6931 case MONO_GENERIC_SHARING_CORLIB :
6932 return class->image == mono_defaults.corlib;
6934 g_assert_not_reached ();