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/metadata/verify-internals.h>
38 #include <mono/utils/mono-counters.h>
42 gboolean mono_print_vtable = FALSE;
45 * Controls whenever mono_class_init () constructs a generic vtable. This is TRUE by
46 * default to avoid breaking embedding apps, but set to FALSE by the runtime executable
49 gboolean mono_setup_vtable_in_class_init = TRUE;
51 /* Function supplied by the runtime to find classes by name using information from the AOT file */
52 static MonoGetClassFromName get_class_from_name = NULL;
54 static MonoClass * mono_class_create_from_typedef (MonoImage *image, guint32 type_token);
55 static gboolean mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res);
56 static gboolean can_access_type (MonoClass *access_klass, MonoClass *member_klass);
57 static MonoMethod* find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags);
58 static int generic_array_methods (MonoClass *class);
59 static void setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos);
61 void (*mono_debugger_class_init_func) (MonoClass *klass) = NULL;
62 void (*mono_debugger_class_loaded_methods_func) (MonoClass *klass) = NULL;
65 * mono_class_from_typeref:
67 * @type_token: a TypeRef token
69 * Creates the MonoClass* structure representing the type defined by
70 * the typeref token valid inside @image.
71 * Returns: the MonoClass* representing the typeref token, NULL ifcould
75 mono_class_from_typeref (MonoImage *image, guint32 type_token)
77 guint32 cols [MONO_TYPEREF_SIZE];
78 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
80 const char *name, *nspace;
84 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
86 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
87 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
89 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
90 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
91 case MONO_RESOLTION_SCOPE_MODULE:
93 g_error ("null ResolutionScope not yet handled");
94 /* a typedef in disguise */
95 return mono_class_from_name (image, nspace, name);
96 case MONO_RESOLTION_SCOPE_MODULEREF:
97 module = mono_image_load_module (image, idx);
99 return mono_class_from_name (module, nspace, name);
101 char *msg = g_strdup_printf ("%s%s%s", nspace, nspace [0] ? "." : "", name);
104 human_name = mono_stringify_assembly_name (&image->assembly->aname);
105 mono_loader_set_error_type_load (msg, human_name);
111 case MONO_RESOLTION_SCOPE_TYPEREF: {
112 MonoClass *enclosing = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | idx);
115 if (enclosing->nested_classes_inited) {
116 /* Micro-optimization: don't scan the metadata tables if enclosing is already inited */
117 for (tmp = enclosing->nested_classes; tmp; tmp = tmp->next) {
119 if (strcmp (res->name, name) == 0)
123 /* Don't call mono_class_init as we might've been called by it recursively */
124 int i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, 1);
126 guint32 class_nested = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, MONO_NESTED_CLASS_NESTED);
127 guint32 string_offset = mono_metadata_decode_row_col (&enclosing->image->tables [MONO_TABLE_TYPEDEF], class_nested - 1, MONO_TYPEDEF_NAME);
128 const char *nname = mono_metadata_string_heap (enclosing->image, string_offset);
130 if (strcmp (nname, name) == 0)
131 return mono_class_create_from_typedef (enclosing->image, MONO_TOKEN_TYPE_DEF | class_nested);
133 i = mono_metadata_nesting_typedef (enclosing->image, enclosing->type_token, i + 1);
136 g_warning ("TypeRef ResolutionScope not yet handled (%d) for %s.%s in image %s", idx, nspace, name, image->name);
139 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
143 if (!image->references || !image->references [idx - 1])
144 mono_assembly_load_reference (image, idx - 1);
145 g_assert (image->references [idx - 1]);
147 /* If the assembly did not load, register this as a type load exception */
148 if (image->references [idx - 1] == REFERENCE_MISSING){
149 MonoAssemblyName aname;
152 mono_assembly_get_assemblyref (image, idx - 1, &aname);
153 human_name = mono_stringify_assembly_name (&aname);
154 mono_loader_set_error_assembly_load (human_name, image->assembly->ref_only);
160 return mono_class_from_name (image->references [idx - 1]->image, nspace, name);
165 mono_mempool_dup (MonoMemPool *mp, void *data, guint size)
167 void *res = mono_mempool_alloc (mp, size);
168 memcpy (res, data, size);
172 /* Copy everything mono_metadata_free_array free. */
174 mono_dup_array_type (MonoMemPool *mp, MonoArrayType *a)
178 a = mono_mempool_dup (mp, a, sizeof (MonoArrayType));
180 a->sizes = mono_mempool_dup (mp, a->sizes, a->numsizes * sizeof (int));
182 a->lobounds = mono_mempool_dup (mp, a->lobounds, a->numlobounds * sizeof (int));
183 mono_loader_unlock ();
185 a = g_memdup (a, sizeof (MonoArrayType));
187 a->sizes = g_memdup (a->sizes, a->numsizes * sizeof (int));
189 a->lobounds = g_memdup (a->lobounds, a->numlobounds * sizeof (int));
194 /* Copy everything mono_metadata_free_method_signature free. */
196 mono_metadata_signature_deep_dup (MonoMemPool *mp, MonoMethodSignature *sig)
200 sig = mono_metadata_signature_dup_full (mp, sig);
202 sig->ret = mono_metadata_type_dup (mp, sig->ret);
203 for (i = 0; i < sig->param_count; ++i)
204 sig->params [i] = mono_metadata_type_dup (mp, sig->params [i]);
210 _mono_type_get_assembly_name (MonoClass *klass, GString *str)
212 MonoAssembly *ta = klass->image->assembly;
214 g_string_append_printf (
215 str, ", %s, Version=%d.%d.%d.%d, Culture=%s, PublicKeyToken=%s%s",
217 ta->aname.major, ta->aname.minor, ta->aname.build, ta->aname.revision,
218 ta->aname.culture && *ta->aname.culture? ta->aname.culture: "neutral",
219 ta->aname.public_key_token [0] ? (char *)ta->aname.public_key_token : "null",
220 (ta->aname.flags & ASSEMBLYREF_RETARGETABLE_FLAG) ? ", Retargetable=Yes" : "");
224 mono_type_name_check_byref (MonoType *type, GString *str)
227 g_string_append_c (str, '&');
231 mono_type_get_name_recurse (MonoType *type, GString *str, gboolean is_recursed,
232 MonoTypeNameFormat format)
236 switch (type->type) {
237 case MONO_TYPE_ARRAY: {
238 int i, rank = type->data.array->rank;
239 MonoTypeNameFormat nested_format;
241 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
242 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
244 mono_type_get_name_recurse (
245 &type->data.array->eklass->byval_arg, str, FALSE, nested_format);
246 g_string_append_c (str, '[');
248 g_string_append_c (str, '*');
249 for (i = 1; i < rank; i++)
250 g_string_append_c (str, ',');
251 g_string_append_c (str, ']');
253 mono_type_name_check_byref (type, str);
255 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
256 _mono_type_get_assembly_name (type->data.array->eklass, str);
259 case MONO_TYPE_SZARRAY: {
260 MonoTypeNameFormat nested_format;
262 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
263 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
265 mono_type_get_name_recurse (
266 &type->data.klass->byval_arg, str, FALSE, nested_format);
267 g_string_append (str, "[]");
269 mono_type_name_check_byref (type, str);
271 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
272 _mono_type_get_assembly_name (type->data.klass, str);
275 case MONO_TYPE_PTR: {
276 MonoTypeNameFormat nested_format;
278 nested_format = format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED ?
279 MONO_TYPE_NAME_FORMAT_FULL_NAME : format;
281 mono_type_get_name_recurse (
282 type->data.type, str, FALSE, nested_format);
283 g_string_append_c (str, '*');
285 mono_type_name_check_byref (type, str);
287 if (format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)
288 _mono_type_get_assembly_name (mono_class_from_mono_type (type->data.type), str);
293 g_assert (type->data.generic_param->name);
294 g_string_append (str, type->data.generic_param->name);
296 mono_type_name_check_byref (type, str);
300 klass = mono_class_from_mono_type (type);
301 if (klass->nested_in) {
302 mono_type_get_name_recurse (
303 &klass->nested_in->byval_arg, str, TRUE, format);
304 if (format == MONO_TYPE_NAME_FORMAT_IL)
305 g_string_append_c (str, '.');
307 g_string_append_c (str, '+');
308 } else if (*klass->name_space) {
309 g_string_append (str, klass->name_space);
310 g_string_append_c (str, '.');
312 if (format == MONO_TYPE_NAME_FORMAT_IL) {
313 char *s = strchr (klass->name, '`');
314 int len = s ? s - klass->name : strlen (klass->name);
316 g_string_append_len (str, klass->name, len);
318 g_string_append (str, klass->name);
321 if (klass->generic_class) {
322 MonoGenericClass *gclass = klass->generic_class;
323 MonoGenericInst *inst = gclass->context.class_inst;
324 MonoTypeNameFormat nested_format;
327 nested_format = format == MONO_TYPE_NAME_FORMAT_FULL_NAME ?
328 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED : format;
330 if (format == MONO_TYPE_NAME_FORMAT_IL)
331 g_string_append_c (str, '<');
333 g_string_append_c (str, '[');
334 for (i = 0; i < inst->type_argc; i++) {
335 MonoType *t = inst->type_argv [i];
338 g_string_append_c (str, ',');
339 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
340 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
341 g_string_append_c (str, '[');
342 mono_type_get_name_recurse (inst->type_argv [i], str, FALSE, nested_format);
343 if ((nested_format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
344 (t->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
345 g_string_append_c (str, ']');
347 if (format == MONO_TYPE_NAME_FORMAT_IL)
348 g_string_append_c (str, '>');
350 g_string_append_c (str, ']');
351 } else if (klass->generic_container &&
352 (format != MONO_TYPE_NAME_FORMAT_FULL_NAME) &&
353 (format != MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED)) {
356 if (format == MONO_TYPE_NAME_FORMAT_IL)
357 g_string_append_c (str, '<');
359 g_string_append_c (str, '[');
360 for (i = 0; i < klass->generic_container->type_argc; i++) {
362 g_string_append_c (str, ',');
363 g_string_append (str, klass->generic_container->type_params [i].name);
365 if (format == MONO_TYPE_NAME_FORMAT_IL)
366 g_string_append_c (str, '>');
368 g_string_append_c (str, ']');
371 mono_type_name_check_byref (type, str);
373 if ((format == MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED) &&
374 (type->type != MONO_TYPE_VAR) && (type->type != MONO_TYPE_MVAR))
375 _mono_type_get_assembly_name (klass, str);
381 * mono_type_get_name:
383 * @format: the format for the return string.
386 * Returns: the string representation in a number of formats:
388 * if format is MONO_TYPE_NAME_FORMAT_REFLECTION, the return string is
389 * returned in the formatrequired by System.Reflection, this is the
390 * inverse of mono_reflection_parse_type ().
392 * if format is MONO_TYPE_NAME_FORMAT_IL, it returns a syntax that can
393 * be used by the IL assembler.
395 * if format is MONO_TYPE_NAME_FORMAT_FULL_NAME
397 * if format is MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
400 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format)
404 result = g_string_new ("");
406 mono_type_get_name_recurse (type, result, FALSE, format);
408 return g_string_free (result, FALSE);
412 * mono_type_get_full_name:
415 * Returns: the string representation for type as required by System.Reflection.
416 * The inverse of mono_reflection_parse_type ().
419 mono_type_get_full_name (MonoClass *class)
421 return mono_type_get_name_full (mono_class_get_type (class), MONO_TYPE_NAME_FORMAT_REFLECTION);
425 * mono_type_get_name:
428 * Returns: the string representation for type as it would be represented in IL code.
431 mono_type_get_name (MonoType *type)
433 return mono_type_get_name_full (type, MONO_TYPE_NAME_FORMAT_IL);
437 * mono_type_get_underlying_type:
440 * Returns: the MonoType for the underlying integer type if @type
441 * is an enum and byref is false, otherwise the type itself.
444 mono_type_get_underlying_type (MonoType *type)
446 if (type->type == MONO_TYPE_VALUETYPE && type->data.klass->enumtype && !type->byref)
447 return type->data.klass->enum_basetype;
448 if (type->type == MONO_TYPE_GENERICINST && type->data.generic_class->container_class->enumtype && !type->byref)
449 return type->data.generic_class->container_class->enum_basetype;
454 * mono_class_is_open_constructed_type:
457 * Returns TRUE if type represents a generics open constructed type
458 * (not all the type parameters required for the instantiation have
462 mono_class_is_open_constructed_type (MonoType *t)
468 case MONO_TYPE_SZARRAY:
469 return mono_class_is_open_constructed_type (&t->data.klass->byval_arg);
470 case MONO_TYPE_ARRAY:
471 return mono_class_is_open_constructed_type (&t->data.array->eklass->byval_arg);
473 return mono_class_is_open_constructed_type (t->data.type);
474 case MONO_TYPE_GENERICINST:
475 return t->data.generic_class->context.class_inst->is_open;
482 inflate_generic_type (MonoMemPool *mempool, MonoType *type, MonoGenericContext *context)
484 switch (type->type) {
485 case MONO_TYPE_MVAR: {
487 int num = type->data.generic_param->num;
488 MonoGenericInst *inst = context->method_inst;
489 if (!inst || !inst->type_argv)
491 if (num >= inst->type_argc)
492 g_error ("MVAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
495 * Note that the VAR/MVAR cases are different from the rest. The other cases duplicate @type,
496 * while the VAR/MVAR duplicates a type from the context. So, we need to ensure that the
497 * ->byref and ->attrs from @type are propagated to the returned type.
499 nt = mono_metadata_type_dup (mempool, inst->type_argv [num]);
500 nt->byref = type->byref;
501 nt->attrs = type->attrs;
504 case MONO_TYPE_VAR: {
506 int num = type->data.generic_param->num;
507 MonoGenericInst *inst = context->class_inst;
510 if (num >= inst->type_argc)
511 g_error ("VAR %d (%s) cannot be expanded in this context with %d instantiations", num, type->data.generic_param->name, inst->type_argc);
512 nt = mono_metadata_type_dup (mempool, inst->type_argv [num]);
513 nt->byref = type->byref;
514 nt->attrs = type->attrs;
517 case MONO_TYPE_SZARRAY: {
518 MonoClass *eclass = type->data.klass;
519 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
522 nt = mono_metadata_type_dup (mempool, type);
523 nt->data.klass = mono_class_from_mono_type (inflated);
524 mono_metadata_free_type (inflated);
527 case MONO_TYPE_ARRAY: {
528 MonoClass *eclass = type->data.array->eklass;
529 MonoType *nt, *inflated = inflate_generic_type (NULL, &eclass->byval_arg, context);
532 nt = mono_metadata_type_dup (mempool, type);
533 nt->data.array = g_memdup (nt->data.array, sizeof (MonoArrayType));
534 nt->data.array->eklass = mono_class_from_mono_type (inflated);
535 mono_metadata_free_type (inflated);
538 case MONO_TYPE_GENERICINST: {
539 MonoGenericClass *gclass = type->data.generic_class;
540 MonoGenericInst *inst;
542 if (!gclass->context.class_inst->is_open)
545 inst = mono_metadata_inflate_generic_inst (gclass->context.class_inst, context);
546 if (inst != gclass->context.class_inst)
547 gclass = mono_metadata_lookup_generic_class (gclass->container_class, inst, gclass->is_dynamic);
549 if (gclass == type->data.generic_class)
552 nt = mono_metadata_type_dup (mempool, type);
553 nt->data.generic_class = gclass;
556 case MONO_TYPE_CLASS:
557 case MONO_TYPE_VALUETYPE: {
558 MonoClass *klass = type->data.klass;
559 MonoGenericContainer *container = klass->generic_container;
560 MonoGenericInst *inst;
561 MonoGenericClass *gclass = NULL;
567 /* We can't use context->class_inst directly, since it can have more elements */
568 inst = mono_metadata_inflate_generic_inst (container->context.class_inst, context);
569 if (inst == container->context.class_inst)
572 gclass = mono_metadata_lookup_generic_class (klass, inst, klass->image->dynamic);
574 nt = mono_metadata_type_dup (mempool, type);
575 nt->type = MONO_TYPE_GENERICINST;
576 nt->data.generic_class = gclass;
586 mono_generic_class_get_context (MonoGenericClass *gclass)
588 return &gclass->context;
592 mono_class_get_context (MonoClass *class)
594 return class->generic_class ? mono_generic_class_get_context (class->generic_class) : NULL;
598 * mono_class_inflate_generic_type_with_mempool:
599 * @mempool: a mempool
601 * @context: a generics context
603 * The same as mono_class_inflate_generic_type, but allocates the MonoType
604 * from mempool if it is non-NULL. If it is NULL, the MonoType is
605 * allocated on the heap and is owned by the caller.
608 mono_class_inflate_generic_type_with_mempool (MonoMemPool *mempool, MonoType *type, MonoGenericContext *context)
610 MonoType *inflated = NULL;
613 inflated = inflate_generic_type (mempool, type, context);
616 return mono_metadata_type_dup (mempool, type);
618 mono_stats.inflated_type_count++;
623 * mono_class_inflate_generic_type:
625 * @context: a generics context
627 * If @type is a generic type and @context is not NULL, instantiate it using the
628 * generics context @context.
630 * Returns: the instantiated type or a copy of @type. The returned MonoType is allocated
631 * on the heap and is owned by the caller.
634 mono_class_inflate_generic_type (MonoType *type, MonoGenericContext *context)
636 return mono_class_inflate_generic_type_with_mempool (NULL, type, context);
640 static MonoGenericContext
641 inflate_generic_context (MonoGenericContext *context, MonoGenericContext *inflate_with)
643 MonoGenericInst *class_inst = NULL;
644 MonoGenericInst *method_inst = NULL;
645 MonoGenericContext res;
647 if (context->class_inst)
648 class_inst = mono_metadata_inflate_generic_inst (context->class_inst, inflate_with);
650 if (context->method_inst)
651 method_inst = mono_metadata_inflate_generic_inst (context->method_inst, inflate_with);
653 res.class_inst = class_inst;
654 res.method_inst = method_inst;
660 * mono_class_inflate_generic_method:
661 * @method: a generic method
662 * @context: a generics context
664 * Instantiate the generic method @method using the generics context @context.
666 * Returns: the new instantiated method
669 mono_class_inflate_generic_method (MonoMethod *method, MonoGenericContext *context)
671 return mono_class_inflate_generic_method_full (method, NULL, context);
675 * mono_class_inflate_generic_method:
677 * Instantiate method @method with the generic context @context.
678 * BEWARE: All non-trivial fields are invalid, including klass, signature, and header.
679 * Use mono_method_signature () and mono_method_get_header () to get the correct values.
682 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context)
685 MonoMethodInflated *iresult, *cached;
686 MonoMethodSignature *sig;
687 MonoGenericContext tmp_context;
688 gboolean is_mb_open = FALSE;
690 /* The `method' has already been instantiated before => we need to peel out the instantiation and create a new context */
691 while (method->is_inflated) {
692 MonoGenericContext *method_context = mono_method_get_context (method);
693 MonoMethodInflated *imethod = (MonoMethodInflated *) method;
695 tmp_context = inflate_generic_context (method_context, context);
696 context = &tmp_context;
698 if (mono_metadata_generic_context_equal (method_context, context))
701 method = imethod->declaring;
704 if (!method->is_generic && !method->klass->generic_container)
708 * The reason for this hack is to fix the behavior of inflating generic methods that come from a MethodBuilder.
709 * What happens is that instantiating a generic MethodBuilder with its own arguments should create a diferent object.
710 * This is opposite to the way non-SRE MethodInfos behave.
712 * This happens, for example, when we want to emit a recursive generic method. Given the following C# code:
714 * void Example<T> () {
718 * In Example, the method token must be encoded as: "void Example<!!0>()"
720 * The reference to the first generic argument, "!!0", must be explicit otherwise it won't be inflated
721 * properly. To get that we need to inflate the MethodBuilder with its own arguments.
723 * On the other hand, inflating a non-SRE generic method with its own arguments should
724 * return itself. For example:
726 * MethodInfo m = ... //m is a generic method definition
727 * MethodInfo res = m.MakeGenericMethod (m.GetGenericArguments ());
730 * To allow such scenarios we must allow inflation of MethodBuilder to happen in a diferent way than
731 * what happens with regular methods.
733 * There is one last touch to this madness, once a TypeBuilder is finished, IOW CreateType() is called,
734 * everything should behave like a regular type or method.
737 is_mb_open = method->is_generic &&
738 method->klass->image->dynamic && !method->klass->wastypebuilder && /* that is a MethodBuilder from an unfinished TypeBuilder */
739 context->method_inst == mono_method_get_generic_container (method)->context.method_inst; /* and it's been instantiated with its own arguments. */
741 iresult = g_new0 (MonoMethodInflated, 1);
742 iresult->context = *context;
743 iresult->declaring = method;
744 iresult->is_mb_open = is_mb_open;
746 if (!context->method_inst && method->is_generic)
747 iresult->context.method_inst = mono_method_get_generic_container (method)->context.method_inst;
749 if (!context->class_inst) {
750 g_assert (!iresult->declaring->klass->generic_class);
751 if (iresult->declaring->klass->generic_container)
752 iresult->context.class_inst = iresult->declaring->klass->generic_container->context.class_inst;
753 else if (iresult->declaring->klass->generic_class)
754 iresult->context.class_inst = iresult->declaring->klass->generic_class->context.class_inst;
758 cached = mono_method_inflated_lookup (iresult, FALSE);
760 mono_loader_unlock ();
762 return (MonoMethod*)cached;
765 mono_stats.inflated_method_count++;
767 sig = mono_method_signature (method);
769 memcpy (&iresult->method.pinvoke, method, sizeof (MonoMethodPInvoke));
771 memcpy (&iresult->method.normal, method, sizeof (MonoMethodNormal));
772 iresult->method.normal.header = NULL;
775 result = (MonoMethod *) iresult;
776 result->is_inflated = TRUE;
777 result->is_generic = FALSE;
778 result->signature = NULL;
780 if (!context->method_inst) {
781 /* Set the generic_container of the result to the generic_container of method */
782 MonoGenericContainer *generic_container = mono_method_get_generic_container (method);
784 if (generic_container) {
785 result->is_generic = 1;
786 mono_method_set_generic_container (result, generic_container);
790 if (!klass_hint || !klass_hint->generic_class ||
791 klass_hint->generic_class->container_class != method->klass ||
792 klass_hint->generic_class->context.class_inst != context->class_inst)
795 if (method->klass->generic_container)
796 result->klass = klass_hint;
798 if (!result->klass) {
799 MonoType *inflated = inflate_generic_type (NULL, &method->klass->byval_arg, context);
800 result->klass = inflated ? mono_class_from_mono_type (inflated) : method->klass;
802 mono_metadata_free_type (inflated);
805 mono_method_inflated_lookup (iresult, TRUE);
806 mono_loader_unlock ();
811 * mono_get_inflated_method:
813 * Obsolete. We keep it around since it's mentioned in the public API.
816 mono_get_inflated_method (MonoMethod *method)
822 mono_method_get_context (MonoMethod *method)
824 MonoMethodInflated *imethod;
825 if (!method->is_inflated)
827 imethod = (MonoMethodInflated *) method;
828 return &imethod->context;
832 * mono_method_get_generic_container:
834 * Returns the generic container of METHOD, which should be a generic method definition.
835 * Returns NULL if METHOD is not a generic method definition.
836 * LOCKING: Acquires the loader lock.
838 MonoGenericContainer*
839 mono_method_get_generic_container (MonoMethod *method)
841 MonoGenericContainer *container;
843 if (!method->is_generic)
847 container = mono_property_hash_lookup (method->klass->image->property_hash, method, MONO_METHOD_PROP_GENERIC_CONTAINER);
848 mono_loader_unlock ();
849 g_assert (container);
855 * mono_method_set_generic_container:
857 * Sets the generic container of METHOD to CONTAINER.
858 * LOCKING: Acquires the loader lock.
861 mono_method_set_generic_container (MonoMethod *method, MonoGenericContainer* container)
863 g_assert (method->is_generic);
866 mono_property_hash_insert (method->klass->image->property_hash, method, MONO_METHOD_PROP_GENERIC_CONTAINER, container);
867 mono_loader_unlock ();
871 * mono_class_find_enum_basetype:
872 * @class: The enum class
874 * Determine the basetype of an enum by iterating through its fields. We do this
875 * in a separate function since it is cheaper than calling mono_class_setup_fields.
878 mono_class_find_enum_basetype (MonoClass *class)
880 MonoImage *m = class->image;
881 const int top = class->field.count;
884 g_assert (class->enumtype);
887 * Fetch all the field information.
889 for (i = 0; i < top; i++){
891 guint32 cols [MONO_FIELD_SIZE];
892 int idx = class->field.first + i;
893 MonoGenericContainer *container = NULL;
896 /* class->field.first and idx points into the fieldptr table */
897 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
898 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
899 mono_metadata_decode_value (sig, &sig);
900 /* FIELD signature == 0x06 */
901 g_assert (*sig == 0x06);
902 if (class->generic_container)
903 container = class->generic_container;
904 else if (class->generic_class) {
905 MonoClass *gklass = class->generic_class->container_class;
907 container = gklass->generic_container;
908 g_assert (container);
910 ftype = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
913 if (class->generic_class) {
914 //FIXME do we leak here?
915 ftype = mono_class_inflate_generic_type (ftype, mono_class_get_context (class));
916 ftype->attrs = cols [MONO_FIELD_FLAGS];
919 if (class->enumtype && !(cols [MONO_FIELD_FLAGS] & FIELD_ATTRIBUTE_STATIC))
927 * mono_class_setup_fields:
928 * @class: The class to initialize
930 * Initializes the class->fields.
931 * LOCKING: Assumes the loader lock is held.
934 mono_class_setup_fields (MonoClass *class)
936 MonoImage *m = class->image;
937 int top = class->field.count;
938 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
939 int i, blittable = TRUE;
940 guint32 real_size = 0;
941 guint32 packing_size = 0;
942 gboolean explicit_size;
943 MonoClassField *field;
944 MonoGenericContainer *container = NULL;
945 MonoClass *gklass = NULL;
947 if (class->size_inited)
950 if (class->generic_class && class->generic_class->container_class->image->dynamic && !class->generic_class->container_class->wastypebuilder) {
952 * This happens when a generic instance of an unfinished generic typebuilder
953 * is used as an element type for creating an array type. We can't initialize
954 * the fields of this class using the fields of gklass, since gklass is not
955 * finished yet, fields could be added to it later.
960 if (class->generic_class) {
961 MonoClass *gklass = class->generic_class->container_class;
962 mono_class_setup_fields (gklass);
963 top = gklass->field.count;
964 class->field.count = gklass->field.count;
967 class->instance_size = 0;
969 class->sizes.class_size = 0;
972 /* For generic instances, class->parent might not have been initialized */
973 mono_class_init (class->parent);
974 if (!class->parent->size_inited)
975 mono_class_setup_fields (class->parent);
976 class->instance_size += class->parent->instance_size;
977 class->min_align = class->parent->min_align;
978 /* we use |= since it may have been set already */
979 class->has_references |= class->parent->has_references;
980 blittable = class->parent->blittable;
982 class->instance_size = sizeof (MonoObject);
983 class->min_align = 1;
986 /* Get the real size */
987 explicit_size = mono_metadata_packing_from_typedef (class->image, class->type_token, &packing_size, &real_size);
990 g_assert ((packing_size & 0xfffffff0) == 0);
991 class->packing_size = packing_size;
992 real_size += class->instance_size;
996 if (explicit_size && real_size) {
997 class->instance_size = MAX (real_size, class->instance_size);
999 class->size_inited = 1;
1000 class->blittable = blittable;
1004 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT)
1007 /* Prevent infinite loops if the class references itself */
1008 class->size_inited = 1;
1010 class->fields = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClassField) * top);
1012 if (class->generic_container) {
1013 container = class->generic_container;
1014 } else if (class->generic_class) {
1015 gklass = class->generic_class->container_class;
1016 container = gklass->generic_container;
1017 g_assert (container);
1019 mono_class_setup_fields (gklass);
1023 * Fetch all the field information.
1025 for (i = 0; i < top; i++){
1026 int idx = class->field.first + i;
1027 field = &class->fields [i];
1029 field->parent = class;
1031 if (class->generic_class) {
1032 MonoClassField *gfield = &gklass->fields [i];
1033 MonoInflatedField *ifield = g_new0 (MonoInflatedField, 1);
1035 ifield->generic_type = gfield->type;
1036 field->name = gfield->name;
1037 field->generic_info = ifield;
1038 /*This memory must come from the image mempool as we don't have a change to free it.*/
1039 field->type = mono_class_inflate_generic_type_with_mempool (class->image->mempool, gfield->type, mono_class_get_context (class));
1040 field->type->attrs = gfield->type->attrs;
1041 if (mono_field_is_deleted (field))
1043 field->offset = gfield->offset;
1044 field->data = gfield->data;
1048 guint32 cols [MONO_FIELD_SIZE];
1050 /* class->field.first and idx points into the fieldptr table */
1051 mono_metadata_decode_table_row (m, MONO_TABLE_FIELD, idx, cols, MONO_FIELD_SIZE);
1052 /* The name is needed for fieldrefs */
1053 field->name = mono_metadata_string_heap (m, cols [MONO_FIELD_NAME]);
1054 sig = mono_metadata_blob_heap (m, cols [MONO_FIELD_SIGNATURE]);
1055 mono_metadata_decode_value (sig, &sig);
1056 /* FIELD signature == 0x06 */
1057 g_assert (*sig == 0x06);
1058 field->type = mono_metadata_parse_type_full (m, container, MONO_PARSE_FIELD, cols [MONO_FIELD_FLAGS], sig + 1, &sig);
1060 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1063 if (mono_field_is_deleted (field))
1065 if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1067 mono_metadata_field_info (m, idx, &offset, NULL, NULL);
1068 field->offset = offset;
1069 if (field->offset == (guint32)-1 && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC))
1070 g_warning ("%s not initialized correctly (missing field layout info for %s)",
1071 class->name, field->name);
1074 if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA) {
1075 mono_metadata_field_info (m, idx, NULL, &rva, NULL);
1077 g_warning ("field %s in %s should have RVA data, but hasn't", field->name, class->name);
1078 field->data = mono_image_rva_map (class->image, rva);
1082 /* Only do these checks if we still think this type is blittable */
1083 if (blittable && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1084 if (field->type->byref || MONO_TYPE_IS_REFERENCE (field->type)) {
1087 MonoClass *field_class = mono_class_from_mono_type (field->type);
1088 if (!field_class || !field_class->blittable)
1093 if (class->enumtype && !(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
1094 class->enum_basetype = field->type;
1095 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
1096 blittable = class->element_class->blittable;
1099 /* The def_value of fields is compute lazily during vtable creation */
1102 if (class == mono_defaults.string_class)
1105 class->blittable = blittable;
1107 if (class->enumtype && !class->enum_basetype) {
1108 if (!((strcmp (class->name, "Enum") == 0) && (strcmp (class->name_space, "System") == 0)))
1111 if (explicit_size && real_size) {
1112 class->instance_size = MAX (real_size, class->instance_size);
1115 if (class->exception_type)
1117 mono_class_layout_fields (class);
1121 * mono_class_setup_fields_locking:
1122 * @class: The class to initialize
1124 * Initializes the class->fields array of fields.
1125 * Aquires the loader lock.
1128 mono_class_setup_fields_locking (MonoClass *class)
1130 mono_loader_lock ();
1131 mono_class_setup_fields (class);
1132 mono_loader_unlock ();
1136 * mono_class_has_references:
1138 * Returns whenever @klass->has_references is set, initializing it if needed.
1139 * Aquires the loader lock.
1142 mono_class_has_references (MonoClass *klass)
1144 if (klass->init_pending) {
1145 /* Be conservative */
1148 mono_class_init (klass);
1150 return klass->has_references;
1154 /* useful until we keep track of gc-references in corlib etc. */
1156 #define IS_GC_REFERENCE(t) FALSE
1158 #define IS_GC_REFERENCE(t) ((t)->type == MONO_TYPE_U && class->image == mono_defaults.corlib)
1162 * mono_type_get_basic_type_from_generic:
1165 * Returns a closed type corresponding to the possibly open type
1169 mono_type_get_basic_type_from_generic (MonoType *type)
1171 /* When we do generic sharing we let type variables stand for reference types. */
1172 if (!type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR))
1173 return &mono_defaults.object_class->byval_arg;
1178 * mono_class_layout_fields:
1181 * Compute the placement of fields inside an object or struct, according to
1182 * the layout rules and set the following fields in @class:
1183 * - has_references (if the class contains instance references firled or structs that contain references)
1184 * - has_static_refs (same, but for static fields)
1185 * - instance_size (size of the object in memory)
1186 * - class_size (size needed for the static fields)
1187 * - size_inited (flag set when the instance_size is set)
1189 * LOCKING: this is supposed to be called with the loader lock held.
1192 mono_class_layout_fields (MonoClass *class)
1195 const int top = class->field.count;
1196 guint32 layout = class->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
1197 guint32 pass, passes, real_size;
1198 gboolean gc_aware_layout = FALSE;
1199 MonoClassField *field;
1202 * When we do generic sharing we need to have layout
1203 * information for open generic classes (either with a generic
1204 * context containing type variables or with a generic
1205 * container), so we don't return in that case anymore.
1209 * Enable GC aware auto layout: in this mode, reference
1210 * fields are grouped together inside objects, increasing collector
1212 * Requires that all classes whose layout is known to native code be annotated
1213 * with [StructLayout (LayoutKind.Sequential)]
1214 * Value types have gc_aware_layout disabled by default, as per
1215 * what the default is for other runtimes.
1217 /* corlib is missing [StructLayout] directives in many places */
1218 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
1219 if (class->image != mono_defaults.corlib &&
1220 class->byval_arg.type != MONO_TYPE_VALUETYPE)
1221 gc_aware_layout = TRUE;
1222 /* from System.dll, used in metadata/process.h */
1223 if (strcmp (class->name, "ProcessStartInfo") == 0)
1224 gc_aware_layout = FALSE;
1227 /* Compute klass->has_references */
1229 * Process non-static fields first, since static fields might recursively
1230 * refer to the class itself.
1232 for (i = 0; i < top; i++) {
1235 field = &class->fields [i];
1237 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
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) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1241 class->has_references = TRUE;
1245 for (i = 0; i < top; i++) {
1248 field = &class->fields [i];
1250 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC) {
1251 ftype = mono_type_get_underlying_type (field->type);
1252 ftype = mono_type_get_basic_type_from_generic (ftype);
1253 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1254 class->has_static_refs = TRUE;
1258 for (i = 0; i < top; i++) {
1261 field = &class->fields [i];
1263 ftype = mono_type_get_underlying_type (field->type);
1264 ftype = mono_type_get_basic_type_from_generic (ftype);
1265 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1266 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1267 class->has_static_refs = TRUE;
1269 class->has_references = TRUE;
1274 * Compute field layout and total size (not considering static fields)
1278 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
1279 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
1281 if (gc_aware_layout)
1286 if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT)
1290 real_size = class->parent->instance_size;
1292 real_size = sizeof (MonoObject);
1294 for (pass = 0; pass < passes; ++pass) {
1295 for (i = 0; i < top; i++){
1300 field = &class->fields [i];
1302 if (mono_field_is_deleted (field))
1304 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1307 ftype = mono_type_get_underlying_type (field->type);
1308 ftype = mono_type_get_basic_type_from_generic (ftype);
1309 if (gc_aware_layout) {
1310 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1319 if ((top == 1) && (class->instance_size == sizeof (MonoObject)) &&
1320 (strcmp (field->name, "$PRIVATE$") == 0)) {
1321 /* This field is a hack inserted by MCS to empty structures */
1325 size = mono_type_size (field->type, &align);
1327 /* FIXME (LAMESPEC): should we also change the min alignment according to pack? */
1328 align = class->packing_size ? MIN (class->packing_size, align): align;
1329 /* if the field has managed references, we need to force-align it
1332 if (MONO_TYPE_IS_REFERENCE (ftype) || IS_GC_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype)))))
1333 align = MAX (align, sizeof (gpointer));
1335 class->min_align = MAX (align, class->min_align);
1336 field->offset = real_size;
1337 field->offset += align - 1;
1338 field->offset &= ~(align - 1);
1339 real_size = field->offset + size;
1342 class->instance_size = MAX (real_size, class->instance_size);
1344 if (class->instance_size & (class->min_align - 1)) {
1345 class->instance_size += class->min_align - 1;
1346 class->instance_size &= ~(class->min_align - 1);
1350 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
1352 for (i = 0; i < top; i++) {
1357 field = &class->fields [i];
1360 * There must be info about all the fields in a type if it
1361 * uses explicit layout.
1364 if (mono_field_is_deleted (field))
1366 if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
1369 size = mono_type_size (field->type, &align);
1370 class->min_align = MAX (align, class->min_align);
1373 * When we get here, field->offset is already set by the
1374 * loader (for either runtime fields or fields loaded from metadata).
1375 * The offset is from the start of the object: this works for both
1376 * classes and valuetypes.
1378 field->offset += sizeof (MonoObject);
1379 ftype = mono_type_get_underlying_type (field->type);
1380 ftype = mono_type_get_basic_type_from_generic (ftype);
1381 if (MONO_TYPE_IS_REFERENCE (ftype) || ((MONO_TYPE_ISSTRUCT (ftype) && mono_class_has_references (mono_class_from_mono_type (ftype))))) {
1382 if (field->offset % sizeof (gpointer)) {
1383 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
1390 real_size = MAX (real_size, size + field->offset);
1392 class->instance_size = MAX (real_size, class->instance_size);
1396 if (layout != TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
1398 * For small structs, set min_align to at least the struct size to improve
1399 * performance, and since the JIT memset/memcpy code assumes this and generates
1400 * unaligned accesses otherwise. See #78990 for a testcase.
1402 if (class->instance_size <= sizeof (MonoObject) + sizeof (gpointer))
1403 class->min_align = MAX (class->min_align, class->instance_size - sizeof (MonoObject));
1406 class->size_inited = 1;
1409 * Compute static field layout and size
1411 for (i = 0; i < top; i++){
1415 field = &class->fields [i];
1417 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC) || field->type->attrs & FIELD_ATTRIBUTE_LITERAL)
1419 if (mono_field_is_deleted (field))
1422 size = mono_type_size (field->type, &align);
1423 field->offset = class->sizes.class_size;
1424 field->offset += align - 1;
1425 field->offset &= ~(align - 1);
1426 class->sizes.class_size = field->offset + size;
1431 create_array_method (MonoClass *class, const char *name, MonoMethodSignature *sig)
1435 method = (MonoMethod *) mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethodPInvoke));
1436 method->klass = class;
1437 method->flags = METHOD_ATTRIBUTE_PUBLIC;
1438 method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
1439 method->signature = sig;
1440 method->name = name;
1443 if (name [0] == '.') {
1444 method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
1446 method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
1452 * mono_class_setup_methods:
1455 * Initializes the 'methods' array in the klass.
1456 * Calling this method should be avoided if possible since it allocates a lot
1457 * of long-living MonoMethod structures.
1458 * Methods belonging to an interface are assigned a sequential slot starting
1462 mono_class_setup_methods (MonoClass *class)
1465 MonoMethod **methods;
1470 mono_loader_lock ();
1472 if (class->methods) {
1473 mono_loader_unlock ();
1477 if (class->generic_class) {
1478 MonoClass *gklass = class->generic_class->container_class;
1480 mono_class_init (gklass);
1481 mono_class_setup_methods (gklass);
1483 /* The + 1 makes this always non-NULL to pass the check in mono_class_setup_methods () */
1484 class->method.count = gklass->method.count;
1485 methods = g_new0 (MonoMethod *, class->method.count + 1);
1487 for (i = 0; i < class->method.count; i++) {
1488 methods [i] = mono_class_inflate_generic_method_full (
1489 gklass->methods [i], class, mono_class_get_context (class));
1491 } else if (class->rank) {
1492 MonoMethod *amethod;
1493 MonoMethodSignature *sig;
1494 int count_generic = 0, first_generic = 0;
1497 class->method.count = 3 + (class->rank > 1? 2: 1);
1499 if (class->interface_count) {
1500 count_generic = generic_array_methods (class);
1501 first_generic = class->method.count;
1502 class->method.count += class->interface_count * count_generic;
1505 methods = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
1507 sig = mono_metadata_signature_alloc (class->image, class->rank);
1508 sig->ret = &mono_defaults.void_class->byval_arg;
1509 sig->pinvoke = TRUE;
1510 sig->hasthis = TRUE;
1511 for (i = 0; i < class->rank; ++i)
1512 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1514 amethod = create_array_method (class, ".ctor", sig);
1515 methods [method_num++] = amethod;
1516 if (class->rank > 1) {
1517 sig = mono_metadata_signature_alloc (class->image, class->rank * 2);
1518 sig->ret = &mono_defaults.void_class->byval_arg;
1519 sig->pinvoke = TRUE;
1520 sig->hasthis = TRUE;
1521 for (i = 0; i < class->rank * 2; ++i)
1522 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1524 amethod = create_array_method (class, ".ctor", sig);
1525 methods [method_num++] = amethod;
1527 /* element Get (idx11, [idx2, ...]) */
1528 sig = mono_metadata_signature_alloc (class->image, class->rank);
1529 sig->ret = &class->element_class->byval_arg;
1530 sig->pinvoke = TRUE;
1531 sig->hasthis = TRUE;
1532 for (i = 0; i < class->rank; ++i)
1533 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1534 amethod = create_array_method (class, "Get", sig);
1535 methods [method_num++] = amethod;
1536 /* element& Address (idx11, [idx2, ...]) */
1537 sig = mono_metadata_signature_alloc (class->image, class->rank);
1538 sig->ret = &class->element_class->this_arg;
1539 sig->pinvoke = TRUE;
1540 sig->hasthis = TRUE;
1541 for (i = 0; i < class->rank; ++i)
1542 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1543 amethod = create_array_method (class, "Address", sig);
1544 methods [method_num++] = amethod;
1545 /* void Set (idx11, [idx2, ...], element) */
1546 sig = mono_metadata_signature_alloc (class->image, class->rank + 1);
1547 sig->ret = &mono_defaults.void_class->byval_arg;
1548 sig->pinvoke = TRUE;
1549 sig->hasthis = TRUE;
1550 for (i = 0; i < class->rank; ++i)
1551 sig->params [i] = &mono_defaults.int32_class->byval_arg;
1552 sig->params [i] = &class->element_class->byval_arg;
1553 amethod = create_array_method (class, "Set", sig);
1554 methods [method_num++] = amethod;
1556 for (i = 0; i < class->interface_count; i++)
1557 setup_generic_array_ifaces (class, class->interfaces [i], methods, first_generic + i * count_generic);
1559 methods = mono_mempool_alloc (class->image->mempool, sizeof (MonoMethod*) * class->method.count);
1560 for (i = 0; i < class->method.count; ++i) {
1561 int idx = mono_metadata_translate_token_index (class->image, MONO_TABLE_METHOD, class->method.first + i + 1);
1562 methods [i] = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | idx, class);
1566 if (MONO_CLASS_IS_INTERFACE (class))
1567 for (i = 0; i < class->method.count; ++i)
1568 methods [i]->slot = i;
1570 /* Needed because of the double-checking locking pattern */
1571 mono_memory_barrier ();
1573 class->methods = methods;
1575 if (mono_debugger_class_loaded_methods_func)
1576 mono_debugger_class_loaded_methods_func (class);
1578 mono_loader_unlock ();
1582 * mono_class_get_method_by_index:
1584 * Returns class->methods [index], initializing class->methods if neccesary.
1586 * LOCKING: Acquires the loader lock.
1589 mono_class_get_method_by_index (MonoClass *class, int index)
1591 /* Avoid calling setup_methods () if possible */
1592 if (class->generic_class && !class->methods) {
1593 MonoClass *gklass = class->generic_class->container_class;
1596 m = mono_class_inflate_generic_method_full (
1597 gklass->methods [index], class, mono_class_get_context (class));
1599 * If setup_methods () is called later for this class, no duplicates are created,
1600 * since inflate_generic_method guarantees that only one instance of a method
1601 * is created for each context.
1604 mono_class_setup_methods (class);
1605 g_assert (m == class->methods [index]);
1609 mono_class_setup_methods (class);
1610 g_assert (index >= 0 && index < class->method.count);
1611 return class->methods [index];
1616 mono_class_setup_properties (MonoClass *class)
1618 guint startm, endm, i, j;
1619 guint32 cols [MONO_PROPERTY_SIZE];
1620 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1621 MonoProperty *properties;
1624 if (class->properties)
1627 mono_loader_lock ();
1629 if (class->properties) {
1630 mono_loader_unlock ();
1634 if (class->generic_class) {
1635 MonoClass *gklass = class->generic_class->container_class;
1637 class->property = gklass->property;
1639 mono_class_init (gklass);
1640 mono_class_setup_properties (gklass);
1642 properties = g_new0 (MonoProperty, class->property.count + 1);
1644 for (i = 0; i < class->property.count; i++) {
1645 MonoProperty *prop = &properties [i];
1647 *prop = gklass->properties [i];
1650 prop->get = mono_class_inflate_generic_method_full (
1651 prop->get, class, mono_class_get_context (class));
1653 prop->set = mono_class_inflate_generic_method_full (
1654 prop->set, class, mono_class_get_context (class));
1656 prop->parent = class;
1659 class->property.first = mono_metadata_properties_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1660 class->property.count = last - class->property.first;
1662 if (class->property.count)
1663 mono_class_setup_methods (class);
1665 properties = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoProperty) * class->property.count);
1666 for (i = class->property.first; i < last; ++i) {
1667 mono_metadata_decode_table_row (class->image, MONO_TABLE_PROPERTY, i, cols, MONO_PROPERTY_SIZE);
1668 properties [i - class->property.first].parent = class;
1669 properties [i - class->property.first].attrs = cols [MONO_PROPERTY_FLAGS];
1670 properties [i - class->property.first].name = mono_metadata_string_heap (class->image, cols [MONO_PROPERTY_NAME]);
1672 startm = mono_metadata_methods_from_property (class->image, i, &endm);
1673 for (j = startm; j < endm; ++j) {
1676 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1678 if (class->image->uncompressed_metadata)
1679 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1680 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1682 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1684 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1685 case METHOD_SEMANTIC_SETTER:
1686 properties [i - class->property.first].set = method;
1688 case METHOD_SEMANTIC_GETTER:
1689 properties [i - class->property.first].get = method;
1697 /*Flush any pending writes as we do double checked locking on class->properties */
1698 mono_memory_barrier ();
1700 /* Leave this assignment as the last op in the function */
1701 class->properties = properties;
1703 mono_loader_unlock ();
1707 inflate_method_listz (MonoMethod **methods, MonoClass *class, MonoGenericContext *context)
1709 MonoMethod **om, **retval;
1712 for (om = methods, count = 0; *om; ++om, ++count)
1715 retval = g_new0 (MonoMethod*, count + 1);
1717 for (om = methods, count = 0; *om; ++om, ++count)
1718 retval [count] = mono_class_inflate_generic_method_full (*om, class, context);
1724 mono_class_setup_events (MonoClass *class)
1726 guint startm, endm, i, j;
1727 guint32 cols [MONO_EVENT_SIZE];
1728 MonoTableInfo *msemt = &class->image->tables [MONO_TABLE_METHODSEMANTICS];
1735 mono_loader_lock ();
1737 if (class->events) {
1738 mono_loader_unlock ();
1742 if (class->generic_class) {
1743 MonoClass *gklass = class->generic_class->container_class;
1744 MonoGenericContext *context;
1746 mono_class_setup_events (gklass);
1747 class->event = gklass->event;
1749 class->events = g_new0 (MonoEvent, class->event.count);
1751 if (class->event.count)
1752 context = mono_class_get_context (class);
1754 for (i = 0; i < class->event.count; i++) {
1755 MonoEvent *event = &class->events [i];
1756 MonoEvent *gevent = &gklass->events [i];
1758 event->parent = class;
1759 event->name = gevent->name;
1760 event->add = gevent->add ? mono_class_inflate_generic_method_full (gevent->add, class, context) : NULL;
1761 event->remove = gevent->remove ? mono_class_inflate_generic_method_full (gevent->remove, class, context) : NULL;
1762 event->raise = gevent->raise ? mono_class_inflate_generic_method_full (gevent->raise, class, context) : NULL;
1763 event->other = gevent->other ? inflate_method_listz (gevent->other, class, context) : NULL;
1764 event->attrs = gevent->attrs;
1767 mono_loader_unlock ();
1771 class->event.first = mono_metadata_events_from_typedef (class->image, mono_metadata_token_index (class->type_token) - 1, &last);
1772 class->event.count = last - class->event.first;
1774 if (class->event.count)
1775 mono_class_setup_methods (class);
1777 events = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoEvent) * class->event.count);
1778 for (i = class->event.first; i < last; ++i) {
1779 MonoEvent *event = &events [i - class->event.first];
1781 mono_metadata_decode_table_row (class->image, MONO_TABLE_EVENT, i, cols, MONO_EVENT_SIZE);
1782 event->parent = class;
1783 event->attrs = cols [MONO_EVENT_FLAGS];
1784 event->name = mono_metadata_string_heap (class->image, cols [MONO_EVENT_NAME]);
1786 startm = mono_metadata_methods_from_event (class->image, i, &endm);
1787 for (j = startm; j < endm; ++j) {
1790 mono_metadata_decode_row (msemt, j, cols, MONO_METHOD_SEMA_SIZE);
1792 if (class->image->uncompressed_metadata)
1793 /* It seems like the MONO_METHOD_SEMA_METHOD column needs no remapping */
1794 method = mono_get_method (class->image, MONO_TOKEN_METHOD_DEF | cols [MONO_METHOD_SEMA_METHOD], class);
1796 method = class->methods [cols [MONO_METHOD_SEMA_METHOD] - 1 - class->method.first];
1798 switch (cols [MONO_METHOD_SEMA_SEMANTICS]) {
1799 case METHOD_SEMANTIC_ADD_ON:
1800 event->add = method;
1802 case METHOD_SEMANTIC_REMOVE_ON:
1803 event->remove = method;
1805 case METHOD_SEMANTIC_FIRE:
1806 event->raise = method;
1808 case METHOD_SEMANTIC_OTHER: {
1811 if (event->other == NULL) {
1812 event->other = g_new0 (MonoMethod*, 2);
1814 while (event->other [n])
1816 event->other = g_realloc (event->other, (n + 2) * sizeof (MonoMethod*));
1818 event->other [n] = method;
1819 /* NULL terminated */
1820 event->other [n + 1] = NULL;
1828 /*Flush any pending writes as we do double checked locking on class->properties */
1829 mono_memory_barrier ();
1831 /* Leave this assignment as the last op in the function */
1832 class->events = events;
1834 mono_loader_unlock ();
1838 * Global pool of interface IDs, represented as a bitset.
1839 * LOCKING: this is supposed to be accessed with the loader lock held.
1841 static MonoBitSet *global_interface_bitset = NULL;
1844 * mono_unload_interface_ids:
1845 * @bitset: bit set of interface IDs
1847 * When an image is unloaded, the interface IDs associated with
1848 * the image are put back in the global pool of IDs so the numbers
1852 mono_unload_interface_ids (MonoBitSet *bitset)
1854 mono_loader_lock ();
1855 mono_bitset_sub (global_interface_bitset, bitset);
1856 mono_loader_unlock ();
1860 * mono_get_unique_iid:
1863 * Assign a unique integer ID to the interface represented by @class.
1864 * The ID will positive and as small as possible.
1865 * LOCKING: this is supposed to be called with the loader lock held.
1866 * Returns: the new ID.
1869 mono_get_unique_iid (MonoClass *class)
1873 g_assert (MONO_CLASS_IS_INTERFACE (class));
1875 if (!global_interface_bitset) {
1876 global_interface_bitset = mono_bitset_new (128, 0);
1879 iid = mono_bitset_find_first_unset (global_interface_bitset, -1);
1881 int old_size = mono_bitset_size (global_interface_bitset);
1882 MonoBitSet *new_set = mono_bitset_clone (global_interface_bitset, old_size * 2);
1883 mono_bitset_free (global_interface_bitset);
1884 global_interface_bitset = new_set;
1887 mono_bitset_set (global_interface_bitset, iid);
1888 /* set the bit also in the per-image set */
1889 if (class->image->interface_bitset) {
1890 if (iid >= mono_bitset_size (class->image->interface_bitset)) {
1891 MonoBitSet *new_set = mono_bitset_clone (class->image->interface_bitset, iid + 1);
1892 mono_bitset_free (class->image->interface_bitset);
1893 class->image->interface_bitset = new_set;
1896 class->image->interface_bitset = mono_bitset_new (iid + 1, 0);
1898 mono_bitset_set (class->image->interface_bitset, iid);
1900 if (mono_print_vtable) {
1902 char *type_name = mono_type_full_name (&class->byval_arg);
1903 if (class->generic_class && !class->generic_class->context.class_inst->is_open) {
1904 generic_id = class->generic_class->context.class_inst->id;
1905 g_assert (generic_id != 0);
1909 printf ("Interface: assigned id %d to %s|%s|%d\n", iid, class->image->name, type_name, generic_id);
1913 g_assert (iid <= 65535);
1918 collect_implemented_interfaces_aux (MonoClass *klass, GPtrArray **res)
1923 for (i = 0; i < klass->interface_count; i++) {
1924 ic = klass->interfaces [i];
1927 *res = g_ptr_array_new ();
1928 g_ptr_array_add (*res, ic);
1929 mono_class_init (ic);
1931 collect_implemented_interfaces_aux (ic, res);
1936 mono_class_get_implemented_interfaces (MonoClass *klass)
1938 GPtrArray *res = NULL;
1940 collect_implemented_interfaces_aux (klass, &res);
1945 compare_interface_ids (const void *p_key, const void *p_element) {
1946 const MonoClass *key = p_key;
1947 const MonoClass *element = *(MonoClass**) p_element;
1949 return (key->interface_id - element->interface_id);
1953 mono_class_interface_offset (MonoClass *klass, MonoClass *itf) {
1954 MonoClass **result = bsearch (
1956 klass->interfaces_packed,
1957 klass->interface_offsets_count,
1958 sizeof (MonoClass *),
1959 compare_interface_ids);
1961 return klass->interface_offsets_packed [result - (klass->interfaces_packed)];
1968 print_implemented_interfaces (MonoClass *klass) {
1969 GPtrArray *ifaces = NULL;
1971 int ancestor_level = 0;
1973 printf ("Packed interface table for class %s has size %d\n", klass->name, klass->interface_offsets_count);
1974 for (i = 0; i < klass->interface_offsets_count; i++)
1975 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
1976 klass->interfaces_packed [i]->interface_id,
1977 klass->interface_offsets_packed [i],
1978 klass->interfaces_packed [i]->method.count,
1979 klass->interfaces_packed [i]->name_space,
1980 klass->interfaces_packed [i]->name );
1981 printf ("Interface flags: ");
1982 for (i = 0; i <= klass->max_interface_id; i++)
1983 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, i))
1984 printf ("(%d,T)", i);
1986 printf ("(%d,F)", i);
1988 printf ("Dump interface flags:");
1989 for (i = 0; i < ((((klass->max_interface_id + 1) >> 3)) + (((klass->max_interface_id + 1) & 7)? 1 :0)); i++)
1990 printf (" %02X", klass->interface_bitmap [i]);
1992 while (klass != NULL) {
1993 printf ("[LEVEL %d] Implemented interfaces by class %s:\n", ancestor_level, klass->name);
1994 ifaces = mono_class_get_implemented_interfaces (klass);
1996 for (i = 0; i < ifaces->len; i++) {
1997 MonoClass *ic = g_ptr_array_index (ifaces, i);
1998 printf (" [UIID %d] interface %s\n", ic->interface_id, ic->name);
1999 printf (" [%03d][UUID %03d][SLOT %03d][SIZE %03d] interface %s.%s\n", i,
2001 mono_class_interface_offset (klass, ic),
2006 g_ptr_array_free (ifaces, TRUE);
2009 klass = klass->parent;
2013 /* this won't be needed once bug #325495 is completely fixed
2014 * though we'll need something similar to know which interfaces to allow
2015 * in arrays when they'll be lazyly created
2018 get_implicit_generic_array_interfaces (MonoClass *class, int *num, int *is_enumerator)
2020 MonoClass *eclass = class->element_class;
2021 static MonoClass* generic_icollection_class = NULL;
2022 static MonoClass* generic_ienumerable_class = NULL;
2023 static MonoClass* generic_ienumerator_class = NULL;
2024 MonoClass *fclass = NULL;
2025 MonoClass **interfaces = NULL;
2026 int i, interface_count, real_count;
2028 gboolean internal_enumerator;
2029 gboolean eclass_is_valuetype;
2031 if (!mono_defaults.generic_ilist_class) {
2035 internal_enumerator = FALSE;
2036 eclass_is_valuetype = FALSE;
2037 if (class->byval_arg.type != MONO_TYPE_SZARRAY) {
2038 if (class->generic_class && class->nested_in == mono_defaults.array_class && strcmp (class->name, "InternalEnumerator`1") == 0) {
2040 * For a Enumerator<T[]> we need to get the list of interfaces for T.
2042 eclass = mono_class_from_mono_type (class->generic_class->context.class_inst->type_argv [0]);
2043 eclass = eclass->element_class;
2044 internal_enumerator = TRUE;
2045 *is_enumerator = TRUE;
2053 * with this non-lazy impl we can't implement all the interfaces so we do just the minimal stuff
2054 * for deep levels of arrays of arrays (string[][] has all the interfaces, string[][][] doesn't)
2056 all_interfaces = eclass->rank && eclass->element_class->rank? FALSE: TRUE;
2058 if (!generic_icollection_class) {
2059 generic_icollection_class = mono_class_from_name (mono_defaults.corlib,
2060 "System.Collections.Generic", "ICollection`1");
2061 generic_ienumerable_class = mono_class_from_name (mono_defaults.corlib,
2062 "System.Collections.Generic", "IEnumerable`1");
2063 generic_ienumerator_class = mono_class_from_name (mono_defaults.corlib,
2064 "System.Collections.Generic", "IEnumerator`1");
2067 mono_class_init (eclass);
2070 * Arrays in 2.0 need to implement a number of generic interfaces
2071 * (IList`1, ICollection`1, IEnumerable`1 for a number of types depending
2072 * on the element class). We collect the types needed to build the
2073 * instantiations in interfaces at intervals of 3, because 3 are
2074 * the generic interfaces needed to implement.
2076 if (eclass->valuetype) {
2077 if (eclass == mono_defaults.int16_class)
2078 fclass = mono_defaults.uint16_class;
2079 else if (eclass == mono_defaults.uint16_class)
2080 fclass = mono_defaults.int16_class;
2081 else if (eclass == mono_defaults.int32_class)
2082 fclass = mono_defaults.uint32_class;
2083 else if (eclass == mono_defaults.uint32_class)
2084 fclass = mono_defaults.int32_class;
2085 else if (eclass == mono_defaults.int64_class)
2086 fclass = mono_defaults.uint64_class;
2087 else if (eclass == mono_defaults.uint64_class)
2088 fclass = mono_defaults.int64_class;
2089 else if (eclass == mono_defaults.byte_class)
2090 fclass = mono_defaults.sbyte_class;
2091 else if (eclass == mono_defaults.sbyte_class)
2092 fclass = mono_defaults.byte_class;
2094 /* No additional interfaces for other value types */
2099 /* IList, ICollection, IEnumerable */
2100 real_count = interface_count = 3;
2101 interfaces = g_malloc0 (sizeof (MonoClass*) * interface_count);
2102 interfaces [0] = fclass;
2103 eclass_is_valuetype = TRUE;
2106 int idepth = eclass->idepth;
2107 if (!internal_enumerator)
2109 interface_count = all_interfaces? eclass->interface_offsets_count: eclass->interface_count;
2110 /* we add object for interfaces and the supertypes for the other
2111 * types. The last of the supertypes is the element class itself which we
2112 * already created the explicit interfaces for (so we include it for IEnumerator
2113 * and exclude it for arrays).
2115 if (MONO_CLASS_IS_INTERFACE (eclass))
2118 interface_count += idepth;
2119 /* IList, ICollection, IEnumerable */
2120 interface_count *= 3;
2121 real_count = interface_count;
2122 if (internal_enumerator)
2123 real_count += idepth + eclass->interface_offsets_count;
2124 interfaces = g_malloc0 (sizeof (MonoClass*) * real_count);
2125 if (MONO_CLASS_IS_INTERFACE (eclass)) {
2126 interfaces [0] = mono_defaults.object_class;
2130 for (i = 0; i < idepth; i++) {
2131 mono_class_init (eclass->supertypes [i]);
2132 interfaces [j] = eclass->supertypes [i];
2136 if (all_interfaces) {
2137 for (i = 0; i < eclass->interface_offsets_count; i++) {
2138 interfaces [j] = eclass->interfaces_packed [i];
2142 for (i = 0; i < eclass->interface_count; i++) {
2143 interfaces [j] = eclass->interfaces [i];
2149 /* instantiate the generic interfaces */
2150 for (i = 0; i < interface_count; i += 3) {
2152 MonoClass *iface = interfaces [i];
2154 args [0] = &iface->byval_arg;
2155 interfaces [i] = mono_class_bind_generic_parameters (
2156 mono_defaults.generic_ilist_class, 1, args, FALSE);
2157 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));
2158 args [0] = &iface->byval_arg;
2159 interfaces [i + 1] = mono_class_bind_generic_parameters (
2160 generic_icollection_class, 1, args, FALSE);
2161 args [0] = &iface->byval_arg;
2162 interfaces [i + 2] = mono_class_bind_generic_parameters (
2163 generic_ienumerable_class, 1, args, FALSE);
2164 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 1]->byval_arg, 0));
2165 //g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i + 2]->byval_arg, 0));
2167 if (internal_enumerator) {
2169 /* instantiate IEnumerator<iface> */
2170 for (i = 0; i < interface_count; i++) {
2172 MonoClass *iface = interfaces [i];
2174 args [0] = &iface->byval_arg;
2175 interfaces [i] = mono_class_bind_generic_parameters (
2176 generic_ienumerator_class, 1, args, FALSE);
2177 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
2179 if (!eclass_is_valuetype) {
2180 j = interface_count;
2181 for (i = 0; i < eclass->idepth; i++) {
2183 args [0] = &eclass->supertypes [i]->byval_arg;
2184 interfaces [j] = mono_class_bind_generic_parameters (
2185 generic_ienumerator_class, 1, args, FALSE);
2186 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
2189 for (i = 0; i < eclass->interface_offsets_count; i++) {
2190 MonoClass *iface = eclass->interfaces_packed [i];
2192 args [0] = &iface->byval_arg;
2193 interfaces [j] = mono_class_bind_generic_parameters (
2194 generic_ienumerator_class, 1, args, FALSE);
2195 /*g_print ("%s implements %s\n", class->name, mono_type_get_name_full (&interfaces [i]->byval_arg, 0));*/
2205 * LOCKING: this is supposed to be called with the loader lock held.
2208 setup_interface_offsets (MonoClass *class, int cur_slot)
2212 MonoClass **interfaces_full;
2213 int *interface_offsets_full;
2215 int interface_offsets_count;
2216 MonoClass **array_interfaces;
2217 int num_array_interfaces;
2218 int is_enumerator = FALSE;
2221 * get the implicit generic interfaces for either the arrays or for System.Array/InternalEnumerator<T>
2222 * implicit interfaces have the property that they are assigned the same slot in the
2223 * vtables for compatible interfaces
2225 array_interfaces = get_implicit_generic_array_interfaces (class, &num_array_interfaces, &is_enumerator);
2227 /* compute maximum number of slots and maximum interface id */
2229 for (k = class; k ; k = k->parent) {
2230 for (i = 0; i < k->interface_count; i++) {
2231 ic = k->interfaces [i];
2234 mono_class_init (ic);
2236 if (max_iid < ic->interface_id)
2237 max_iid = ic->interface_id;
2239 ifaces = mono_class_get_implemented_interfaces (k);
2241 for (i = 0; i < ifaces->len; ++i) {
2242 ic = g_ptr_array_index (ifaces, i);
2243 if (max_iid < ic->interface_id)
2244 max_iid = ic->interface_id;
2246 g_ptr_array_free (ifaces, TRUE);
2249 for (i = 0; i < num_array_interfaces; ++i) {
2250 ic = array_interfaces [i];
2251 mono_class_init (ic);
2252 if (max_iid < ic->interface_id)
2253 max_iid = ic->interface_id;
2256 if (MONO_CLASS_IS_INTERFACE (class)) {
2257 if (max_iid < class->interface_id)
2258 max_iid = class->interface_id;
2260 class->max_interface_id = max_iid;
2261 /* compute vtable offset for interfaces */
2262 interfaces_full = g_malloc (sizeof (MonoClass*) * (max_iid + 1));
2263 interface_offsets_full = g_malloc (sizeof (int) * (max_iid + 1));
2265 for (i = 0; i <= max_iid; i++) {
2266 interfaces_full [i] = NULL;
2267 interface_offsets_full [i] = -1;
2270 ifaces = mono_class_get_implemented_interfaces (class);
2272 for (i = 0; i < ifaces->len; ++i) {
2273 ic = g_ptr_array_index (ifaces, i);
2274 interfaces_full [ic->interface_id] = ic;
2275 interface_offsets_full [ic->interface_id] = cur_slot;
2276 cur_slot += ic->method.count;
2278 g_ptr_array_free (ifaces, TRUE);
2281 for (k = class->parent; k ; k = k->parent) {
2282 ifaces = mono_class_get_implemented_interfaces (k);
2284 for (i = 0; i < ifaces->len; ++i) {
2285 ic = g_ptr_array_index (ifaces, i);
2287 if (interface_offsets_full [ic->interface_id] == -1) {
2288 int io = mono_class_interface_offset (k, ic);
2292 interfaces_full [ic->interface_id] = ic;
2293 interface_offsets_full [ic->interface_id] = io;
2296 g_ptr_array_free (ifaces, TRUE);
2300 if (MONO_CLASS_IS_INTERFACE (class)) {
2301 interfaces_full [class->interface_id] = class;
2302 interface_offsets_full [class->interface_id] = cur_slot;
2305 if (num_array_interfaces) {
2306 if (is_enumerator) {
2307 int ienumerator_offset;
2308 g_assert (strcmp (class->interfaces [0]->name, "IEnumerator`1") == 0);
2309 ienumerator_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2310 for (i = 0; i < num_array_interfaces; ++i) {
2311 ic = array_interfaces [i];
2312 interfaces_full [ic->interface_id] = ic;
2313 if (strcmp (ic->name, "IEnumerator`1") == 0)
2314 interface_offsets_full [ic->interface_id] = ienumerator_offset;
2316 g_assert_not_reached ();
2317 /*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);*/
2320 int ilist_offset, icollection_offset, ienumerable_offset;
2321 g_assert (strcmp (class->interfaces [0]->name, "IList`1") == 0);
2322 g_assert (strcmp (class->interfaces [0]->interfaces [0]->name, "ICollection`1") == 0);
2323 g_assert (strcmp (class->interfaces [0]->interfaces [1]->name, "IEnumerable`1") == 0);
2324 ilist_offset = interface_offsets_full [class->interfaces [0]->interface_id];
2325 icollection_offset = interface_offsets_full [class->interfaces [0]->interfaces [0]->interface_id];
2326 ienumerable_offset = interface_offsets_full [class->interfaces [0]->interfaces [1]->interface_id];
2327 g_assert (ilist_offset >= 0 && icollection_offset >= 0 && ienumerable_offset >= 0);
2328 for (i = 0; i < num_array_interfaces; ++i) {
2329 ic = array_interfaces [i];
2330 interfaces_full [ic->interface_id] = ic;
2331 if (ic->generic_class->container_class == mono_defaults.generic_ilist_class)
2332 interface_offsets_full [ic->interface_id] = ilist_offset;
2333 else if (strcmp (ic->name, "ICollection`1") == 0)
2334 interface_offsets_full [ic->interface_id] = icollection_offset;
2335 else if (strcmp (ic->name, "IEnumerable`1") == 0)
2336 interface_offsets_full [ic->interface_id] = ienumerable_offset;
2338 g_assert_not_reached ();
2339 /*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);*/
2344 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2345 if (interface_offsets_full [i] != -1) {
2346 interface_offsets_count ++;
2351 * We might get called twice: once from mono_class_init () then once from
2352 * mono_class_setup_vtable ().
2354 if (class->interfaces_packed) {
2355 g_assert (class->interface_offsets_count == interface_offsets_count);
2357 class->interface_offsets_count = interface_offsets_count;
2358 class->interfaces_packed = mono_mempool_alloc (class->image->mempool, sizeof (MonoClass*) * interface_offsets_count);
2359 class->interface_offsets_packed = mono_mempool_alloc (class->image->mempool, sizeof (guint16) * interface_offsets_count);
2360 class->interface_bitmap = mono_mempool_alloc0 (class->image->mempool, (sizeof (guint8) * ((max_iid + 1) >> 3)) + (((max_iid + 1) & 7)? 1 :0));
2361 for (interface_offsets_count = 0, i = 0; i <= max_iid; i++) {
2362 if (interface_offsets_full [i] != -1) {
2363 class->interface_bitmap [i >> 3] |= (1 << (i & 7));
2364 class->interfaces_packed [interface_offsets_count] = interfaces_full [i];
2365 class->interface_offsets_packed [interface_offsets_count] = interface_offsets_full [i];
2366 /*if (num_array_interfaces)
2367 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]);*/
2368 interface_offsets_count ++;
2373 g_free (interfaces_full);
2374 g_free (interface_offsets_full);
2375 g_free (array_interfaces);
2377 //printf ("JUST DONE: ");
2378 //print_implemented_interfaces (class);
2384 * Setup interface offsets for interfaces. Used by Ref.Emit.
2387 mono_class_setup_interface_offsets (MonoClass *class)
2389 mono_loader_lock ();
2391 setup_interface_offsets (class, 0);
2393 mono_loader_unlock ();
2397 * mono_class_setup_vtable:
2399 * Creates the generic vtable of CLASS.
2400 * Initializes the following fields in MonoClass:
2403 * Plus all the fields initialized by setup_interface_offsets ().
2404 * If there is an error during vtable construction, class->exception_type is set.
2406 * LOCKING: Acquires the loader lock.
2409 mono_class_setup_vtable (MonoClass *class)
2411 MonoMethod **overrides;
2412 MonoGenericContext *context;
2421 /* This sets method->slot for all methods if this is an interface */
2422 mono_class_setup_methods (class);
2424 if (MONO_CLASS_IS_INTERFACE (class))
2427 mono_loader_lock ();
2429 if (class->vtable) {
2430 mono_loader_unlock ();
2434 mono_stats.generic_vtable_count ++;
2436 if (class->generic_class) {
2437 context = mono_class_get_context (class);
2438 type_token = class->generic_class->container_class->type_token;
2440 context = (MonoGenericContext *) class->generic_container;
2441 type_token = class->type_token;
2444 if (class->image->dynamic) {
2445 if (class->generic_class) {
2446 MonoClass *gklass = class->generic_class->container_class;
2448 mono_reflection_get_dynamic_overrides (gklass, &overrides, &onum);
2449 for (i = 0; i < onum; ++i) {
2450 MonoMethod *override = overrides [(i * 2) + 1];
2451 MonoMethod *inflated = NULL;
2454 for (j = 0; j < class->method.count; ++j) {
2455 if (gklass->methods [j] == override) {
2456 inflated = class->methods [j];
2460 g_assert (inflated);
2462 overrides [(i * 2) + 1] = inflated;
2465 mono_reflection_get_dynamic_overrides (class, &overrides, &onum);
2468 /* The following call fails if there are missing methods in the type */
2469 ok = mono_class_get_overrides_full (class->image, type_token, &overrides, &onum, context);
2473 mono_class_setup_vtable_general (class, overrides, onum);
2477 mono_loader_unlock ();
2483 check_core_clr_override_method (MonoClass *class, MonoMethod *override, MonoMethod *base)
2485 MonoSecurityCoreCLRLevel override_level = mono_security_core_clr_method_level (override, FALSE);
2486 MonoSecurityCoreCLRLevel base_level = mono_security_core_clr_method_level (base, FALSE);
2488 if (override_level != base_level && base_level == MONO_SECURITY_CORE_CLR_CRITICAL)
2489 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2493 static int __use_new_interface_vtable_code = -1;
2495 use_new_interface_vtable_code (void) {
2496 if (__use_new_interface_vtable_code == -1) {
2497 char *env_var = getenv ("MONO_USE_NEW_INTERFACE_VTABLE_CODE");
2498 if (env_var == NULL) {
2499 __use_new_interface_vtable_code = TRUE;
2501 if ((strcmp (env_var, "0") == 0) || (strcmp (env_var, "false") == 0) || (strcmp (env_var, "FALSE") == 0)) {
2502 __use_new_interface_vtable_code = FALSE;
2504 __use_new_interface_vtable_code = TRUE;
2508 return __use_new_interface_vtable_code;
2512 #define DEBUG_INTERFACE_VTABLE_CODE 0
2513 #define TRACE_INTERFACE_VTABLE_CODE 0
2515 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2516 #define DEBUG_INTERFACE_VTABLE(stmt) do {\
2520 #define DEBUG_INTERFACE_VTABLE(stmt)
2523 #if TRACE_INTERFACE_VTABLE_CODE
2524 #define TRACE_INTERFACE_VTABLE(stmt) do {\
2528 #define TRACE_INTERFACE_VTABLE(stmt)
2532 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2534 mono_signature_get_full_desc (MonoMethodSignature *sig, gboolean include_namespace)
2538 GString *res = g_string_new ("");
2540 g_string_append_c (res, '(');
2541 for (i = 0; i < sig->param_count; ++i) {
2543 g_string_append_c (res, ',');
2544 mono_type_get_desc (res, sig->params [i], include_namespace);
2546 g_string_append (res, ")=>");
2547 if (sig->ret != NULL) {
2548 mono_type_get_desc (res, sig->ret, include_namespace);
2550 g_string_append (res, "NULL");
2553 g_string_free (res, FALSE);
2557 print_method_signatures (MonoMethod *im, MonoMethod *cm) {
2558 char *im_sig = mono_signature_get_full_desc (mono_method_signature (im), TRUE);
2559 char *cm_sig = mono_signature_get_full_desc (mono_method_signature (cm), TRUE);
2560 printf ("(IM \"%s\", CM \"%s\")", im_sig, cm_sig);
2568 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) {
2569 if (strcmp (im->name, cm->name) == 0) {
2570 if (! (cm->flags & METHOD_ATTRIBUTE_PUBLIC)) {
2571 TRACE_INTERFACE_VTABLE (printf ("[PUBLIC CHECK FAILED]"));
2574 if (! slot_is_empty) {
2575 if (require_newslot) {
2576 if (! interface_is_explicitly_implemented_by_class) {
2577 TRACE_INTERFACE_VTABLE (printf ("[NOT EXPLICIT IMPLEMENTATION IN FULL SLOT REFUSED]"));
2580 if (! (cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
2581 TRACE_INTERFACE_VTABLE (printf ("[NEWSLOT CHECK FAILED]"));
2585 TRACE_INTERFACE_VTABLE (printf ("[FULL SLOT REFUSED]"));
2588 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2589 TRACE_INTERFACE_VTABLE (printf ("[SIGNATURE CHECK FAILED "));
2590 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2591 TRACE_INTERFACE_VTABLE (printf ("]"));
2594 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS]"));
2595 /* CAS - SecurityAction.InheritanceDemand on interface */
2596 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2597 mono_secman_inheritancedemand_method (cm, im);
2600 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2601 check_core_clr_override_method (class, cm, im);
2602 TRACE_INTERFACE_VTABLE (printf ("[NAME CHECK OK]"));
2605 MonoClass *ic = im->klass;
2606 const char *ic_name_space = ic->name_space;
2607 const char *ic_name = ic->name;
2610 if (! require_newslot) {
2611 TRACE_INTERFACE_VTABLE (printf ("[INJECTED METHOD REFUSED]"));
2614 if (cm->klass->rank == 0) {
2615 TRACE_INTERFACE_VTABLE (printf ("[RANK CHECK FAILED]"));
2618 if (! mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
2619 TRACE_INTERFACE_VTABLE (printf ("[(INJECTED) SIGNATURE CHECK FAILED "));
2620 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
2621 TRACE_INTERFACE_VTABLE (printf ("]"));
2624 if (mono_class_get_image (ic) != mono_defaults.corlib) {
2625 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE CORLIB CHECK FAILED]"));
2628 if ((ic_name_space == NULL) || (strcmp (ic_name_space, "System.Collections.Generic") != 0)) {
2629 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAMESPACE CHECK FAILED]"));
2632 if ((ic_name == NULL) || ((strcmp (ic_name, "IEnumerable`1") != 0) && (strcmp (ic_name, "ICollection`1") != 0) && (strcmp (ic_name, "IList`1") != 0))) {
2633 TRACE_INTERFACE_VTABLE (printf ("[INTERFACE NAME CHECK FAILED]"));
2637 subname = strstr (cm->name, ic_name_space);
2638 if (subname != cm->name) {
2639 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL NAMESPACE CHECK FAILED]"));
2642 subname += strlen (ic_name_space);
2643 if (subname [0] != '.') {
2644 TRACE_INTERFACE_VTABLE (printf ("[FIRST DOT CHECK FAILED]"));
2648 if (strstr (subname, ic_name) != subname) {
2649 TRACE_INTERFACE_VTABLE (printf ("[ACTUAL CLASS NAME CHECK FAILED]"));
2652 subname += strlen (ic_name);
2653 if (subname [0] != '.') {
2654 TRACE_INTERFACE_VTABLE (printf ("[SECOND DOT CHECK FAILED]"));
2658 if (strcmp (subname, im->name) != 0) {
2659 TRACE_INTERFACE_VTABLE (printf ("[METHOD NAME CHECK FAILED]"));
2663 TRACE_INTERFACE_VTABLE (printf ("[SECURITY CHECKS (INJECTED CASE)]"));
2664 /* CAS - SecurityAction.InheritanceDemand on interface */
2665 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
2666 mono_secman_inheritancedemand_method (cm, im);
2669 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2670 check_core_clr_override_method (class, cm, im);
2672 TRACE_INTERFACE_VTABLE (printf ("[INJECTED INTERFACE CHECK OK]"));
2677 #if (TRACE_INTERFACE_VTABLE_CODE|DEBUG_INTERFACE_VTABLE_CODE)
2679 foreach_override (gpointer key, gpointer value, gpointer user_data) {
2680 MonoMethod *method = key;
2681 MonoMethod *override = value;
2682 MonoClass *method_class = mono_method_get_class (method);
2683 MonoClass *override_class = mono_method_get_class (override);
2685 printf (" Method '%s.%s:%s' has override '%s.%s:%s'\n",
2686 mono_class_get_namespace (method_class), mono_class_get_name (method_class), mono_method_get_name (method),
2687 mono_class_get_namespace (override_class), mono_class_get_name (override_class), mono_method_get_name (override));
2690 print_overrides (GHashTable *override_map, const char *message) {
2692 printf ("Override map \"%s\" START:\n", message);
2693 g_hash_table_foreach (override_map, foreach_override, NULL);
2694 printf ("Override map \"%s\" END.\n", message);
2696 printf ("Override map \"%s\" EMPTY.\n", message);
2700 print_vtable_full (MonoClass *class, MonoMethod** vtable, int size, int first_non_interface_slot, const char *message, gboolean print_interfaces) {
2701 char *full_name = mono_type_full_name (&class->byval_arg);
2705 printf ("*** Vtable for class '%s' at \"%s\" (size %d)\n", full_name, message, size);
2707 if (print_interfaces) {
2708 print_implemented_interfaces (class);
2709 printf ("* Interfaces for class '%s' done.\nStarting vtable (size %d):\n", full_name, size);
2712 if (class->parent) {
2713 parent_size = class->parent->vtable_size;
2717 for (i = 0; i < size; ++i) {
2718 MonoMethod *cm = vtable [i];
2720 char *cm_name = mono_method_full_name (cm, TRUE);
2721 char newness = (i < parent_size) ? 'O' : ((i < first_non_interface_slot) ? 'I' : 'N');
2722 printf (" [%c][%03d][INDEX %03d] %s\n", newness, i, cm->slot, cm_name);
2732 print_unimplemented_interface_method_info (MonoClass *class, MonoClass *ic, MonoMethod *im, int im_slot, MonoMethod **overrides, int onum) {
2734 char *method_signature;
2736 for (index = 0; index < onum; ++index) {
2737 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", im_slot, overrides [index*2+1]->name,
2738 overrides [index*2+1]->slot, overrides [index*2]->name, overrides [index*2]->slot);
2740 method_signature = mono_signature_get_desc (mono_method_signature (im), FALSE);
2741 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
2742 mono_type_get_name (&ic->byval_arg), im->name, method_signature, class->name_space, class->name);
2743 g_free (method_signature);
2744 for (index = 0; index < class->method.count; ++index) {
2745 MonoMethod *cm = class->methods [index];
2746 method_signature = mono_signature_get_desc (mono_method_signature (cm), TRUE);
2748 printf ("METHOD %s(%s)\n", cm->name, method_signature);
2749 g_free (method_signature);
2754 * LOCKING: this is supposed to be called with the loader lock held.
2757 mono_class_setup_vtable_general (MonoClass *class, MonoMethod **overrides, int onum)
2760 MonoMethod **vtable;
2761 int i, max_vtsize = 0, max_iid, cur_slot = 0;
2762 GPtrArray *ifaces, *pifaces = NULL;
2763 GHashTable *override_map = NULL;
2764 gboolean security_enabled = mono_is_security_manager_active ();
2765 #if (DEBUG_INTERFACE_VTABLE_CODE|TRACE_INTERFACE_VTABLE_CODE)
2766 int first_non_interface_slot;
2772 ifaces = mono_class_get_implemented_interfaces (class);
2774 for (i = 0; i < ifaces->len; i++) {
2775 MonoClass *ic = g_ptr_array_index (ifaces, i);
2776 max_vtsize += ic->method.count;
2778 g_ptr_array_free (ifaces, TRUE);
2782 if (class->parent) {
2783 mono_class_init (class->parent);
2784 mono_class_setup_vtable (class->parent);
2785 max_vtsize += class->parent->vtable_size;
2786 cur_slot = class->parent->vtable_size;
2789 max_vtsize += class->method.count;
2791 vtable = alloca (sizeof (gpointer) * max_vtsize);
2792 memset (vtable, 0, sizeof (gpointer) * max_vtsize);
2794 /* printf ("METAINIT %s.%s\n", class->name_space, class->name); */
2796 cur_slot = setup_interface_offsets (class, cur_slot);
2797 max_iid = class->max_interface_id;
2798 DEBUG_INTERFACE_VTABLE (first_non_interface_slot = cur_slot);
2800 if (use_new_interface_vtable_code ()) {
2801 if (class->parent && class->parent->vtable_size) {
2802 MonoClass *parent = class->parent;
2805 memcpy (vtable, parent->vtable, sizeof (gpointer) * parent->vtable_size);
2807 // Also inherit parent interface vtables, just as a starting point.
2808 // This is needed otherwise bug-77127.exe fails when the property methods
2809 // have different names in the iterface and the class, because for child
2810 // classes the ".override" information is not used anymore.
2811 for (i = 0; i < parent->interface_offsets_count; i++) {
2812 MonoClass *parent_interface = parent->interfaces_packed [i];
2813 int interface_offset = mono_class_interface_offset (class, parent_interface);
2815 if (interface_offset >= parent->vtable_size) {
2816 int parent_interface_offset = mono_class_interface_offset (parent, parent_interface);
2819 mono_class_setup_methods (parent_interface);
2820 TRACE_INTERFACE_VTABLE (printf (" +++ Inheriting interface %s.%s\n", parent_interface->name_space, parent_interface->name));
2821 for (j = 0; j < parent_interface->method.count; j++) {
2822 vtable [interface_offset + j] = parent->vtable [parent_interface_offset + j];
2823 TRACE_INTERFACE_VTABLE (printf (" --- Inheriting: [%03d][(%03d)+(%03d)] => [%03d][(%03d)+(%03d)]\n",
2824 parent_interface_offset + j, parent_interface_offset, j,
2825 interface_offset + j, interface_offset, j));
2832 if (class->parent && class->parent->vtable_size)
2833 memcpy (vtable, class->parent->vtable, sizeof (gpointer) * class->parent->vtable_size);
2836 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER INHERITING PARENT VTABLE", TRUE));
2837 /* override interface methods */
2838 for (i = 0; i < onum; i++) {
2839 MonoMethod *decl = overrides [i*2];
2840 if (MONO_CLASS_IS_INTERFACE (decl->klass)) {
2842 mono_class_setup_methods (decl->klass);
2843 g_assert (decl->slot != -1);
2844 dslot = decl->slot + mono_class_interface_offset (class, decl->klass);
2845 vtable [dslot] = overrides [i*2 + 1];
2846 vtable [dslot]->slot = dslot;
2848 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
2850 g_hash_table_insert (override_map, overrides [i * 2], overrides [i * 2 + 1]);
2852 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
2853 check_core_clr_override_method (class, vtable [dslot], decl);
2856 TRACE_INTERFACE_VTABLE (print_overrides (override_map, "AFTER OVERRIDING INTERFACE METHODS"));
2857 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER OVERRIDING INTERFACE METHODS", FALSE));
2859 if (use_new_interface_vtable_code ()) {
2860 // Loop on all implemented interfaces...
2861 for (i = 0; i < class->interface_offsets_count; i++) {
2862 MonoClass *parent = class->parent;
2864 gboolean interface_is_explicitly_implemented_by_class;
2867 ic = class->interfaces_packed [i];
2868 ic_offset = mono_class_interface_offset (class, ic);
2870 mono_class_setup_methods (ic);
2872 // Check if this interface is explicitly implemented (instead of just inherited)
2873 if (parent != NULL) {
2874 int implemented_interfaces_index;
2875 interface_is_explicitly_implemented_by_class = FALSE;
2876 for (implemented_interfaces_index = 0; implemented_interfaces_index < class->interface_count; implemented_interfaces_index++) {
2877 if (ic == class->interfaces [implemented_interfaces_index]) {
2878 interface_is_explicitly_implemented_by_class = TRUE;
2883 interface_is_explicitly_implemented_by_class = TRUE;
2886 // Loop on all interface methods...
2887 for (im_index = 0; im_index < ic->method.count; im_index++) {
2888 MonoMethod *im = ic->methods [im_index];
2889 int im_slot = ic_offset + im->slot;
2890 MonoMethod *override_im = (override_map != NULL) ? g_hash_table_lookup (override_map, im) : NULL;
2892 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2895 // If there is an explicit implementation, just use it right away,
2896 // otherwise look for a matching method
2897 if (override_im == NULL) {
2900 // First look for a suitable method among the class methods
2901 for (cm_index = 0; cm_index < class->method.count; cm_index++) {
2902 MonoMethod *cm = class->methods [cm_index];
2904 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)));
2905 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)) {
2906 TRACE_INTERFACE_VTABLE (printf ("[check ok]: ASSIGNING"));
2907 vtable [im_slot] = cm;
2908 /* Why do we need this? */
2913 TRACE_INTERFACE_VTABLE (printf ("\n"));
2916 // If the slot is still empty, look in all the inherited virtual methods...
2917 if ((vtable [im_slot] == NULL) && class->parent != NULL) {
2918 MonoClass *parent = class->parent;
2919 // Reverse order, so that last added methods are preferred
2920 for (cm_index = parent->vtable_size - 1; cm_index >= 0; cm_index--) {
2921 MonoMethod *cm = parent->vtable [cm_index];
2923 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));
2924 if ((cm != NULL) && check_interface_method_override (class, im, cm, FALSE, FALSE, TRUE, security_enabled)) {
2925 TRACE_INTERFACE_VTABLE (printf ("[everything ok]: ASSIGNING"));
2926 vtable [im_slot] = cm;
2927 /* Why do we need this? */
2933 TRACE_INTERFACE_VTABLE ((cm != NULL) && printf ("\n"));
2937 g_assert (vtable [im_slot] == override_im);
2942 // If the class is not abstract, check that all its interface slots are full.
2943 // The check is done here and not directly at the end of the loop above because
2944 // it can happen (for injected generic array interfaces) that the same slot is
2945 // processed multiple times (those interfaces have overlapping slots), and it
2946 // will not always be the first pass the one that fills the slot.
2947 if (! (class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
2948 for (i = 0; i < class->interface_offsets_count; i++) {
2952 ic = class->interfaces_packed [i];
2953 ic_offset = mono_class_interface_offset (class, ic);
2955 for (im_index = 0; im_index < ic->method.count; im_index++) {
2956 MonoMethod *im = ic->methods [im_index];
2957 int im_slot = ic_offset + im->slot;
2959 if (im->flags & METHOD_ATTRIBUTE_STATIC)
2962 TRACE_INTERFACE_VTABLE (printf (" [class is not abstract, checking slot %d for interface '%s'.'%s', method %s, slot check is %d]\n",
2963 im_slot, ic->name_space, ic->name, im->name, (vtable [im_slot] == NULL)));
2964 if (vtable [im_slot] == NULL) {
2965 print_unimplemented_interface_method_info (class, ic, im, im_slot, overrides, onum);
2966 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
2968 g_hash_table_destroy (override_map);
2975 for (k = class; k ; k = k->parent) {
2978 ifaces = mono_class_get_implemented_interfaces (k);
2980 nifaces = ifaces->len;
2981 if (k->generic_class) {
2982 pifaces = mono_class_get_implemented_interfaces (
2983 k->generic_class->container_class);
2984 g_assert (pifaces && (pifaces->len == nifaces));
2987 for (i = 0; i < nifaces; i++) {
2988 MonoClass *pic = NULL;
2991 ic = g_ptr_array_index (ifaces, i);
2993 pic = g_ptr_array_index (pifaces, i);
2994 g_assert (ic->interface_id <= k->max_interface_id);
2995 io = mono_class_interface_offset (k, ic);
2998 g_assert (io <= max_vtsize);
3001 mono_class_setup_methods (ic);
3002 for (l = 0; l < ic->method.count; l++) {
3003 MonoMethod *im = ic->methods [l];
3005 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
3008 for (j = 0; j < class->method.count; ++j) {
3009 MonoMethod *cm = class->methods [j];
3010 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
3011 !((cm->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) == METHOD_ATTRIBUTE_PUBLIC) ||
3012 !(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT))
3014 if (!strcmp(cm->name, im->name) &&
3015 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
3017 /* CAS - SecurityAction.InheritanceDemand on interface */
3018 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3019 mono_secman_inheritancedemand_method (cm, im);
3022 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3023 check_core_clr_override_method (class, cm, im);
3025 g_assert (io + l <= max_vtsize);
3026 vtable [io + l] = cm;
3027 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));
3028 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
3029 TRACE_INTERFACE_VTABLE (printf ("\n"));
3034 /* already implemented */
3035 if (io >= k->vtable_size)
3039 // Override methods with the same fully qualified name
3040 for (l = 0; l < ic->method.count; l++) {
3041 MonoMethod *im = ic->methods [l];
3042 char *qname, *fqname, *cname, *the_cname;
3045 if (vtable [io + l])
3049 the_cname = mono_type_get_name_full (&pic->byval_arg, MONO_TYPE_NAME_FORMAT_IL);
3053 cname = (char*)ic->name;
3056 qname = g_strconcat (cname, ".", im->name, NULL);
3057 if (ic->name_space && ic->name_space [0])
3058 fqname = g_strconcat (ic->name_space, ".", cname, ".", im->name, NULL);
3062 for (k1 = class; k1; k1 = k1->parent) {
3063 for (j = 0; j < k1->method.count; ++j) {
3064 MonoMethod *cm = k1->methods [j];
3066 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3069 if (((fqname && !strcmp (cm->name, fqname)) || !strcmp (cm->name, qname)) &&
3070 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im)) &&
3071 ((vtable [io + l] == NULL) || mono_class_is_subclass_of (cm->klass, vtable [io + l]->klass, FALSE))) {
3073 /* CAS - SecurityAction.InheritanceDemand on interface */
3074 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3075 mono_secman_inheritancedemand_method (cm, im);
3078 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3079 check_core_clr_override_method (class, cm, im);
3081 g_assert (io + l <= max_vtsize);
3082 vtable [io + l] = cm;
3083 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));
3084 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
3085 TRACE_INTERFACE_VTABLE (printf ("\n"));
3095 // Override methods with the same name
3096 for (l = 0; l < ic->method.count; l++) {
3097 MonoMethod *im = ic->methods [l];
3100 g_assert (io + l <= max_vtsize);
3102 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
3105 for (k1 = class; k1; k1 = k1->parent) {
3106 for (j = 0; j < k1->method.count; ++j) {
3107 MonoMethod *cm = k1->methods [j];
3109 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL) ||
3110 !(cm->flags & METHOD_ATTRIBUTE_PUBLIC))
3113 if (!strcmp(cm->name, im->name) &&
3114 mono_metadata_signature_equal (mono_method_signature (cm), mono_method_signature (im))) {
3116 /* CAS - SecurityAction.InheritanceDemand on interface */
3117 if (security_enabled && (im->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3118 mono_secman_inheritancedemand_method (cm, im);
3121 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3122 check_core_clr_override_method (class, cm, im);
3124 g_assert (io + l <= max_vtsize);
3125 vtable [io + l] = cm;
3126 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));
3127 TRACE_INTERFACE_VTABLE (print_method_signatures (im, cm));
3128 TRACE_INTERFACE_VTABLE (printf ("\n"));
3133 g_assert (io + l <= max_vtsize);
3134 if (vtable [io + l] && !(vtable [io + l]->flags & METHOD_ATTRIBUTE_ABSTRACT))
3139 if (!(class->flags & TYPE_ATTRIBUTE_ABSTRACT)) {
3140 for (l = 0; l < ic->method.count; l++) {
3142 MonoMethod *im = ic->methods [l];
3143 if (im->flags & METHOD_ATTRIBUTE_STATIC)
3145 g_assert (io + l <= max_vtsize);
3148 * If one of our parents already implements this interface
3149 * we can inherit the implementation.
3151 if (!(vtable [io + l])) {
3152 MonoClass *parent = class->parent;
3154 for (; parent; parent = parent->parent) {
3155 if (MONO_CLASS_IMPLEMENTS_INTERFACE (parent, ic->interface_id) &&
3157 vtable [io + l] = parent->vtable [mono_class_interface_offset (parent, ic) + l];
3158 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));
3163 if (!(vtable [io + l])) {
3164 for (j = 0; j < onum; ++j) {
3165 g_print (" at slot %d: %s (%d) overrides %s (%d)\n", io+l, overrides [j*2+1]->name,
3166 overrides [j*2+1]->slot, overrides [j*2]->name, overrides [j*2]->slot);
3168 msig = mono_signature_get_desc (mono_method_signature (im), FALSE);
3169 printf ("no implementation for interface method %s::%s(%s) in class %s.%s\n",
3170 mono_type_get_name (&ic->byval_arg), im->name, msig, class->name_space, class->name);
3172 for (j = 0; j < class->method.count; ++j) {
3173 MonoMethod *cm = class->methods [j];
3174 msig = mono_signature_get_desc (mono_method_signature (cm), TRUE);
3176 printf ("METHOD %s(%s)\n", cm->name, msig);
3180 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3183 g_ptr_array_free (ifaces, TRUE);
3185 g_hash_table_destroy (override_map);
3192 for (l = 0; l < ic->method.count; l++) {
3193 MonoMethod *im = vtable [io + l];
3196 g_assert (io + l <= max_vtsize);
3198 /* FIXME: why do we need this ? */
3200 /* g_assert_not_reached (); */
3206 g_ptr_array_free (ifaces, TRUE);
3210 TRACE_INTERFACE_VTABLE (print_vtable_full (class, vtable, cur_slot, first_non_interface_slot, "AFTER SETTING UP INTERFACE METHODS", FALSE));
3211 for (i = 0; i < class->method.count; ++i) {
3214 cm = class->methods [i];
3217 * Non-virtual method have no place in the vtable.
3218 * This also catches static methods (since they are not virtual).
3220 if (!(cm->flags & METHOD_ATTRIBUTE_VIRTUAL))
3224 * If the method is REUSE_SLOT, we must check in the
3225 * base class for a method to override.
3227 if (!(cm->flags & METHOD_ATTRIBUTE_NEW_SLOT)) {
3229 for (k = class->parent; k ; k = k->parent) {
3231 for (j = 0; j < k->method.count; ++j) {
3232 MonoMethod *m1 = k->methods [j];
3233 MonoMethodSignature *cmsig, *m1sig;
3235 if (!(m1->flags & METHOD_ATTRIBUTE_VIRTUAL))
3238 cmsig = mono_method_signature (cm);
3239 m1sig = mono_method_signature (m1);
3241 if (!cmsig || !m1sig) {
3242 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3246 if (!strcmp(cm->name, m1->name) &&
3247 mono_metadata_signature_equal (cmsig, m1sig)) {
3249 /* CAS - SecurityAction.InheritanceDemand */
3250 if (security_enabled && (m1->flags & METHOD_ATTRIBUTE_HAS_SECURITY)) {
3251 mono_secman_inheritancedemand_method (cm, m1);
3254 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3255 check_core_clr_override_method (class, cm, m1);
3257 slot = k->methods [j]->slot;
3258 g_assert (cm->slot < max_vtsize);
3260 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3261 g_hash_table_insert (override_map, m1, cm);
3273 cm->slot = cur_slot++;
3275 if (!(cm->flags & METHOD_ATTRIBUTE_ABSTRACT))
3276 vtable [cm->slot] = cm;
3279 /* override non interface methods */
3280 for (i = 0; i < onum; i++) {
3281 MonoMethod *decl = overrides [i*2];
3282 if (!MONO_CLASS_IS_INTERFACE (decl->klass)) {
3283 g_assert (decl->slot != -1);
3284 vtable [decl->slot] = overrides [i*2 + 1];
3285 overrides [i * 2 + 1]->slot = decl->slot;
3287 override_map = g_hash_table_new (mono_aligned_addr_hash, NULL);
3288 g_hash_table_insert (override_map, decl, overrides [i * 2 + 1]);
3290 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3291 check_core_clr_override_method (class, vtable [decl->slot], decl);
3296 * If a method occupies more than one place in the vtable, and it is
3297 * overriden, then change the other occurances too.
3300 for (i = 0; i < max_vtsize; ++i)
3302 MonoMethod *cm = g_hash_table_lookup (override_map, vtable [i]);
3307 g_hash_table_destroy (override_map);
3310 if (class->generic_class) {
3311 MonoClass *gklass = class->generic_class->container_class;
3313 mono_class_init (gklass);
3315 class->vtable_size = MAX (gklass->vtable_size, cur_slot);
3317 /* Check that the vtable_size value computed in mono_class_init () is correct */
3318 if (class->vtable_size)
3319 g_assert (cur_slot == class->vtable_size);
3320 class->vtable_size = cur_slot;
3323 /* Try to share the vtable with our parent. */
3324 if (class->parent && (class->parent->vtable_size == class->vtable_size) && (memcmp (class->parent->vtable, vtable, sizeof (gpointer) * class->vtable_size) == 0)) {
3325 mono_memory_barrier ();
3326 class->vtable = class->parent->vtable;
3328 MonoMethod **tmp = mono_mempool_alloc0 (class->image->mempool, sizeof (gpointer) * class->vtable_size);
3329 memcpy (tmp, vtable, sizeof (gpointer) * class->vtable_size);
3330 mono_memory_barrier ();
3331 class->vtable = tmp;
3334 DEBUG_INTERFACE_VTABLE (print_vtable_full (class, class->vtable, class->vtable_size, first_non_interface_slot, "FINALLY", FALSE));
3335 if (mono_print_vtable) {
3338 print_implemented_interfaces (class);
3340 for (i = 0; i <= max_iid; i++)
3341 if (MONO_CLASS_IMPLEMENTS_INTERFACE (class, i))
3344 printf ("VTable %s (vtable entries = %d, interfaces = %d)\n", mono_type_full_name (&class->byval_arg),
3345 class->vtable_size, icount);
3347 for (i = 0; i < class->vtable_size; ++i) {
3352 printf (" slot assigned: %03d, slot index: %03d %s\n", i, cm->slot,
3353 mono_method_full_name (cm, TRUE));
3359 printf ("Interfaces %s.%s (max_iid = %d)\n", class->name_space,
3360 class->name, max_iid);
3362 for (i = 0; i < class->interface_count; i++) {
3363 ic = class->interfaces [i];
3364 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3365 mono_class_interface_offset (class, ic),
3366 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3369 for (k = class->parent; k ; k = k->parent) {
3370 for (i = 0; i < k->interface_count; i++) {
3371 ic = k->interfaces [i];
3372 printf (" slot offset: %03d, method count: %03d, iid: %03d %s\n",
3373 mono_class_interface_offset (class, ic),
3374 ic->method.count, ic->interface_id, mono_type_full_name (&ic->byval_arg));
3381 static MonoMethod *default_ghc = NULL;
3382 static MonoMethod *default_finalize = NULL;
3383 static int finalize_slot = -1;
3384 static int ghc_slot = -1;
3387 initialize_object_slots (MonoClass *class)
3392 if (class == mono_defaults.object_class) {
3393 mono_class_setup_vtable (class);
3394 for (i = 0; i < class->vtable_size; ++i) {
3395 MonoMethod *cm = class->vtable [i];
3397 if (!strcmp (cm->name, "GetHashCode"))
3399 else if (!strcmp (cm->name, "Finalize"))
3403 g_assert (ghc_slot > 0);
3404 default_ghc = class->vtable [ghc_slot];
3406 g_assert (finalize_slot > 0);
3407 default_finalize = class->vtable [finalize_slot];
3412 g_list_prepend_mempool (GList* l, MonoMemPool* mp, gpointer datum)
3414 GList* n = mono_mempool_alloc (mp, sizeof (GList));
3422 MonoMethod *array_method;
3424 } GenericArrayMethodInfo;
3426 static int generic_array_method_num = 0;
3427 static GenericArrayMethodInfo *generic_array_method_info = NULL;
3430 generic_array_methods (MonoClass *class)
3432 int i, count_generic = 0;
3433 GList *list = NULL, *tmp;
3434 if (generic_array_method_num)
3435 return generic_array_method_num;
3436 mono_class_setup_methods (class->parent);
3437 for (i = 0; i < class->parent->method.count; i++) {
3438 MonoMethod *m = class->parent->methods [i];
3439 if (!strncmp (m->name, "InternalArray__", 15)) {
3441 list = g_list_prepend (list, m);
3444 list = g_list_reverse (list);
3445 generic_array_method_info = g_malloc (sizeof (GenericArrayMethodInfo) * count_generic);
3447 for (tmp = list; tmp; tmp = tmp->next) {
3448 const char *mname, *iname;
3450 MonoMethod *m = tmp->data;
3451 generic_array_method_info [i].array_method = m;
3452 if (!strncmp (m->name, "InternalArray__ICollection_", 27)) {
3453 iname = "System.Collections.Generic.ICollection`1.";
3454 mname = m->name + 27;
3455 } else if (!strncmp (m->name, "InternalArray__IEnumerable_", 27)) {
3456 iname = "System.Collections.Generic.IEnumerable`1.";
3457 mname = m->name + 27;
3458 } else if (!strncmp (m->name, "InternalArray__", 15)) {
3459 iname = "System.Collections.Generic.IList`1.";
3460 mname = m->name + 15;
3462 g_assert_not_reached ();
3465 name = mono_mempool_alloc (mono_defaults.corlib->mempool, strlen (iname) + strlen (mname) + 1);
3466 strcpy (name, iname);
3467 strcpy (name + strlen (iname), mname);
3468 generic_array_method_info [i].name = name;
3471 /*g_print ("array generic methods: %d\n", count_generic);*/
3473 generic_array_method_num = count_generic;
3474 return generic_array_method_num;
3478 setup_generic_array_ifaces (MonoClass *class, MonoClass *iface, MonoMethod **methods, int pos)
3480 MonoGenericContext tmp_context;
3483 tmp_context.class_inst = NULL;
3484 tmp_context.method_inst = iface->generic_class->context.class_inst;
3485 //g_print ("setting up array interface: %s\n", mono_type_get_name_full (&iface->byval_arg, 0));
3487 for (i = 0; i < generic_array_method_num; i++) {
3488 MonoMethod *m = generic_array_method_info [i].array_method;
3489 MonoMethod *inflated;
3491 inflated = mono_class_inflate_generic_method (m, &tmp_context);
3492 methods [pos++] = mono_marshal_get_generic_array_helper (class, iface, generic_array_method_info [i].name, inflated);
3497 concat_two_strings_with_zero (MonoMemPool *pool, const char *s1, const char *s2)
3499 int len = strlen (s1) + strlen (s2) + 2;
3500 char *s = mono_mempool_alloc (pool, len);
3503 result = g_snprintf (s, len, "%s%c%s", s1, '\0', s2);
3504 g_assert (result == len - 1);
3510 set_failure_from_loader_error (MonoClass *class, MonoLoaderError *error)
3512 gpointer exception_data = NULL;
3514 switch (error->exception_type) {
3515 case MONO_EXCEPTION_TYPE_LOAD:
3516 exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->assembly_name);
3519 case MONO_EXCEPTION_MISSING_METHOD:
3520 exception_data = concat_two_strings_with_zero (class->image->mempool, error->class_name, error->member_name);
3523 case MONO_EXCEPTION_MISSING_FIELD: {
3524 const char *name_space = error->klass->name_space ? error->klass->name_space : NULL;
3525 const char *class_name;
3528 class_name = g_strdup_printf ("%s.%s", name_space, error->klass->name);
3530 class_name = error->klass->name;
3532 exception_data = concat_two_strings_with_zero (class->image->mempool, class_name, error->member_name);
3535 g_free ((void*)class_name);
3539 case MONO_EXCEPTION_FILE_NOT_FOUND: {
3542 if (error->ref_only)
3543 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.";
3545 msg = "Could not load file or assembly '%s' or one of its dependencies.";
3547 exception_data = concat_two_strings_with_zero (class->image->mempool, msg, error->assembly_name);
3551 case MONO_EXCEPTION_BAD_IMAGE:
3552 exception_data = error->msg;
3556 g_assert_not_reached ();
3559 mono_class_set_failure (class, error->exception_type, exception_data);
3563 check_core_clr_inheritance (MonoClass *class)
3565 MonoSecurityCoreCLRLevel class_level, parent_level;
3566 MonoClass *parent = class->parent;
3571 class_level = mono_security_core_clr_class_level (class);
3572 parent_level = mono_security_core_clr_class_level (parent);
3574 if (class_level < parent_level)
3575 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
3580 * @class: the class to initialize
3582 * Compute the instance_size, class_size and other infos that cannot be
3583 * computed at mono_class_get() time. Also compute vtable_size if possible.
3584 * Returns TRUE on success or FALSE if there was a problem in loading
3585 * the type (incorrect assemblies, missing assemblies, methods, etc).
3587 * LOCKING: Acquires the loader lock.
3590 mono_class_init (MonoClass *class)
3593 MonoCachedClassInfo cached_info;
3594 gboolean has_cached_info;
3595 int class_init_ok = TRUE;
3599 /* Double-checking locking pattern */
3601 return class->exception_type == MONO_EXCEPTION_NONE;
3603 /*g_print ("Init class %s\n", class->name);*/
3605 /* We do everything inside the lock to prevent races */
3606 mono_loader_lock ();
3608 if (class->inited) {
3609 mono_loader_unlock ();
3610 /* Somebody might have gotten in before us */
3611 return class->exception_type == MONO_EXCEPTION_NONE;
3614 if (class->init_pending) {
3615 mono_loader_unlock ();
3616 /* this indicates a cyclic dependency */
3617 g_error ("pending init %s.%s\n", class->name_space, class->name);
3620 class->init_pending = 1;
3622 /* CAS - SecurityAction.InheritanceDemand */
3623 if (mono_is_security_manager_active () && class->parent && (class->parent->flags & TYPE_ATTRIBUTE_HAS_SECURITY)) {
3624 mono_secman_inheritancedemand_class (class, class->parent);
3627 if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR)
3628 check_core_clr_inheritance (class);
3630 mono_stats.initialized_class_count++;
3632 if (class->generic_class && !class->generic_class->is_dynamic) {
3633 MonoClass *gklass = class->generic_class->container_class;
3635 mono_stats.generic_class_count++;
3637 class->method = gklass->method;
3638 class->field = gklass->field;
3640 mono_class_init (gklass);
3641 mono_class_setup_methods (gklass);
3642 mono_class_setup_properties (gklass);
3644 if (MONO_CLASS_IS_INTERFACE (class))
3645 class->interface_id = mono_get_unique_iid (class);
3647 g_assert (class->interface_count == gklass->interface_count);
3650 if (class->parent && !class->parent->inited)
3651 mono_class_init (class->parent);
3653 has_cached_info = mono_class_get_cached_class_info (class, &cached_info);
3655 if (class->generic_class || class->image->dynamic || !class->type_token || (has_cached_info && !cached_info.has_nested_classes))
3656 class->nested_classes_inited = TRUE;
3659 * Computes the size used by the fields, and their locations
3661 if (has_cached_info) {
3662 class->instance_size = cached_info.instance_size;
3663 class->sizes.class_size = cached_info.class_size;
3664 class->packing_size = cached_info.packing_size;
3665 class->min_align = cached_info.min_align;
3666 class->blittable = cached_info.blittable;
3667 class->has_references = cached_info.has_references;
3668 class->has_static_refs = cached_info.has_static_refs;
3669 class->no_special_static_fields = cached_info.no_special_static_fields;
3672 if (!class->size_inited){
3673 mono_class_setup_fields (class);
3674 if (class->exception_type || mono_loader_get_last_error ()){
3675 class_init_ok = FALSE;
3680 /* Initialize arrays */
3682 class->method.count = 3 + (class->rank > 1? 2: 1);
3684 if (class->interface_count) {
3685 int count_generic = generic_array_methods (class);
3686 class->method.count += class->interface_count * count_generic;
3690 mono_class_setup_supertypes (class);
3693 initialize_object_slots (class);
3696 * Initialize the rest of the data without creating a generic vtable if possible.
3697 * If possible, also compute vtable_size, so mono_class_create_runtime_vtable () can
3698 * also avoid computing a generic vtable.
3700 if (has_cached_info) {
3702 class->vtable_size = cached_info.vtable_size;
3703 class->has_finalize = cached_info.has_finalize;
3704 class->ghcimpl = cached_info.ghcimpl;
3705 class->has_cctor = cached_info.has_cctor;
3706 } else if (class->rank == 1 && class->byval_arg.type == MONO_TYPE_SZARRAY) {
3707 static int szarray_vtable_size = 0;
3710 if (!szarray_vtable_size) {
3711 mono_class_setup_vtable (class);
3712 szarray_vtable_size = class->vtable_size;
3714 class->vtable_size = szarray_vtable_size;
3716 } else if (class->generic_class && !MONO_CLASS_IS_INTERFACE (class)) {
3717 MonoClass *gklass = class->generic_class->container_class;
3719 /* Generic instance case */
3720 class->ghcimpl = gklass->ghcimpl;
3721 class->has_finalize = gklass->has_finalize;
3722 class->has_cctor = gklass->has_cctor;
3724 mono_class_setup_vtable (gklass);
3725 if (gklass->exception_type)
3728 class->vtable_size = gklass->vtable_size;
3732 /* ghcimpl is not currently used
3734 if (class->parent) {
3735 MonoMethod *cmethod = class->vtable [ghc_slot];
3736 if (cmethod->is_inflated)
3737 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3738 if (cmethod == default_ghc) {
3744 /* Interfaces and valuetypes are not supposed to have finalizers */
3745 if (!(MONO_CLASS_IS_INTERFACE (class) || class->valuetype)) {
3746 MonoMethod *cmethod = NULL;
3748 if (class->type_token) {
3749 cmethod = find_method_in_metadata (class, "Finalize", 0, METHOD_ATTRIBUTE_VIRTUAL);
3750 } else if (class->parent) {
3751 /* FIXME: Optimize this */
3752 mono_class_setup_vtable (class);
3753 if (class->exception_type || mono_loader_get_last_error ())
3755 cmethod = class->vtable [finalize_slot];
3759 /* Check that this is really the finalizer method */
3760 mono_class_setup_vtable (class);
3761 if (class->exception_type || mono_loader_get_last_error ())
3764 class->has_finalize = 0;
3765 if (class->parent) {
3766 cmethod = class->vtable [finalize_slot];
3767 if (cmethod->is_inflated)
3768 cmethod = ((MonoMethodInflated*)cmethod)->declaring;
3769 if (cmethod != default_finalize) {
3770 class->has_finalize = 1;
3776 /* C# doesn't allow interfaces to have cctors */
3777 if (!MONO_CLASS_IS_INTERFACE (class) || class->image != mono_defaults.corlib) {
3778 MonoMethod *cmethod = NULL;
3780 if (class->type_token) {
3781 cmethod = find_method_in_metadata (class, ".cctor", 0, METHOD_ATTRIBUTE_SPECIAL_NAME);
3782 /* The find_method function ignores the 'flags' argument */
3783 if (cmethod && (cmethod->flags & METHOD_ATTRIBUTE_SPECIAL_NAME))
3784 class->has_cctor = 1;
3786 mono_class_setup_methods (class);
3788 for (i = 0; i < class->method.count; ++i) {
3789 MonoMethod *method = class->methods [i];
3790 if ((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) &&
3791 (strcmp (".cctor", method->name) == 0)) {
3792 class->has_cctor = 1;
3800 if (!mono_setup_vtable_in_class_init) {
3802 * This is an embedding API break, since the caller might assume that
3803 * mono_class_init () constructs a generic vtable, so vtable construction errors
3804 * are visible right after the mono_class_init (), and not after
3805 * mono_class_vtable ().
3807 if (class->parent) {
3808 /* This will compute class->parent->vtable_size for some classes */
3809 mono_class_init (class->parent);
3810 if (class->parent->exception_type || mono_loader_get_last_error ())
3812 if (!class->parent->vtable_size) {
3813 /* FIXME: Get rid of this somehow */
3814 mono_class_setup_vtable (class->parent);
3815 if (class->parent->exception_type || mono_loader_get_last_error ())
3818 setup_interface_offsets (class, class->parent->vtable_size);
3820 setup_interface_offsets (class, 0);
3823 mono_class_setup_vtable (class);
3825 if (MONO_CLASS_IS_INTERFACE (class))
3826 setup_interface_offsets (class, 0);
3829 if (mono_verifier_is_enabled_for_class (class) && !mono_verifier_verify_class (class)) {
3830 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, concat_two_strings_with_zero (class->image->mempool, class->name, class->image->assembly_name));
3831 class_init_ok = FALSE;
3837 class_init_ok = FALSE;
3840 /* Because of the double-checking locking pattern */
3841 mono_memory_barrier ();
3843 class->init_pending = 0;
3845 if (mono_loader_get_last_error ()) {
3846 if (class->exception_type == MONO_EXCEPTION_NONE)
3847 set_failure_from_loader_error (class, mono_loader_get_last_error ());
3849 mono_loader_clear_error ();
3852 mono_loader_unlock ();
3854 if (mono_debugger_class_init_func)
3855 mono_debugger_class_init_func (class);
3857 return class_init_ok;
3861 is_corlib_image (MonoImage *image)
3863 /* FIXME: allow the dynamic case for our compilers and with full trust */
3865 return image->assembly && !strcmp (image->assembly->aname.name, "mscorlib");
3867 return image == mono_defaults.corlib;
3871 * LOCKING: this assumes the loader lock is held
3874 mono_class_setup_mono_type (MonoClass *class)
3876 const char *name = class->name;
3877 const char *nspace = class->name_space;
3878 gboolean is_corlib = is_corlib_image (class->image);
3880 class->this_arg.byref = 1;
3881 class->this_arg.data.klass = class;
3882 class->this_arg.type = MONO_TYPE_CLASS;
3883 class->byval_arg.data.klass = class;
3884 class->byval_arg.type = MONO_TYPE_CLASS;
3886 if (is_corlib && !strcmp (nspace, "System")) {
3887 if (!strcmp (name, "ValueType")) {
3889 * do not set the valuetype bit for System.ValueType.
3890 * class->valuetype = 1;
3892 class->blittable = TRUE;
3893 } else if (!strcmp (name, "Enum")) {
3895 * do not set the valuetype bit for System.Enum.
3896 * class->valuetype = 1;
3898 class->valuetype = 0;
3899 class->enumtype = 0;
3900 } else if (!strcmp (name, "Object")) {
3901 class->this_arg.type = class->byval_arg.type = MONO_TYPE_OBJECT;
3902 } else if (!strcmp (name, "String")) {
3903 class->this_arg.type = class->byval_arg.type = MONO_TYPE_STRING;
3904 } else if (!strcmp (name, "TypedReference")) {
3905 class->this_arg.type = class->byval_arg.type = MONO_TYPE_TYPEDBYREF;
3909 if (class->valuetype) {
3910 int t = MONO_TYPE_VALUETYPE;
3912 if (is_corlib && !strcmp (nspace, "System")) {
3915 if (!strcmp (name, "Boolean")) {
3916 t = MONO_TYPE_BOOLEAN;
3917 } else if (!strcmp(name, "Byte")) {
3919 class->blittable = TRUE;
3923 if (!strcmp (name, "Char")) {
3928 if (!strcmp (name, "Double")) {
3930 class->blittable = TRUE;
3934 if (!strcmp (name, "Int32")) {
3936 class->blittable = TRUE;
3937 } else if (!strcmp(name, "Int16")) {
3939 class->blittable = TRUE;
3940 } else if (!strcmp(name, "Int64")) {
3942 class->blittable = TRUE;
3943 } else if (!strcmp(name, "IntPtr")) {
3945 class->blittable = TRUE;
3949 if (!strcmp (name, "Single")) {
3951 class->blittable = TRUE;
3952 } else if (!strcmp(name, "SByte")) {
3954 class->blittable = TRUE;
3958 if (!strcmp (name, "UInt32")) {
3960 class->blittable = TRUE;
3961 } else if (!strcmp(name, "UInt16")) {
3963 class->blittable = TRUE;
3964 } else if (!strcmp(name, "UInt64")) {
3966 class->blittable = TRUE;
3967 } else if (!strcmp(name, "UIntPtr")) {
3969 class->blittable = TRUE;
3973 if (!strcmp (name, "TypedReference")) {
3974 t = MONO_TYPE_TYPEDBYREF;
3975 class->blittable = TRUE;
3979 if (!strcmp (name, "Void")) {
3987 class->this_arg.type = class->byval_arg.type = t;
3990 if (MONO_CLASS_IS_INTERFACE (class))
3991 class->interface_id = mono_get_unique_iid (class);
3996 * LOCKING: this assumes the loader lock is held
3999 mono_class_setup_parent (MonoClass *class, MonoClass *parent)
4001 gboolean system_namespace;
4002 gboolean is_corlib = is_corlib_image (class->image);
4004 system_namespace = !strcmp (class->name_space, "System") && is_corlib;
4006 /* if root of the hierarchy */
4007 if (system_namespace && !strcmp (class->name, "Object")) {
4008 class->parent = NULL;
4009 class->instance_size = sizeof (MonoObject);
4012 if (!strcmp (class->name, "<Module>")) {
4013 class->parent = NULL;
4014 class->instance_size = 0;
4018 if (!MONO_CLASS_IS_INTERFACE (class)) {
4019 /* Imported COM Objects always derive from __ComObject. */
4020 if (MONO_CLASS_IS_IMPORT (class)) {
4021 mono_init_com_types ();
4022 if (parent == mono_defaults.object_class)
4023 parent = mono_defaults.com_object_class;
4026 /* set the parent to something useful and safe, but mark the type as broken */
4027 parent = mono_defaults.object_class;
4028 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4031 class->parent = parent;
4033 if (parent->generic_class && !parent->name) {
4035 * If the parent is a generic instance, we may get
4036 * called before it is fully initialized, especially
4037 * before it has its name.
4042 class->marshalbyref = parent->marshalbyref;
4043 class->contextbound = parent->contextbound;
4044 class->delegate = parent->delegate;
4045 if (MONO_CLASS_IS_IMPORT (class))
4046 class->is_com_object = 1;
4048 class->is_com_object = parent->is_com_object;
4050 if (system_namespace) {
4051 if (*class->name == 'M' && !strcmp (class->name, "MarshalByRefObject"))
4052 class->marshalbyref = 1;
4054 if (*class->name == 'C' && !strcmp (class->name, "ContextBoundObject"))
4055 class->contextbound = 1;
4057 if (*class->name == 'D' && !strcmp (class->name, "Delegate"))
4058 class->delegate = 1;
4061 if (class->parent->enumtype || (is_corlib_image (class->parent->image) && (strcmp (class->parent->name, "ValueType") == 0) &&
4062 (strcmp (class->parent->name_space, "System") == 0)))
4063 class->valuetype = 1;
4064 if (is_corlib_image (class->parent->image) && ((strcmp (class->parent->name, "Enum") == 0) && (strcmp (class->parent->name_space, "System") == 0))) {
4065 class->valuetype = class->enumtype = 1;
4067 /*class->enumtype = class->parent->enumtype; */
4068 mono_class_setup_supertypes (class);
4070 /* initialize com types if COM interfaces are present */
4071 if (MONO_CLASS_IS_IMPORT (class))
4072 mono_init_com_types ();
4073 class->parent = NULL;
4079 * mono_class_setup_supertypes:
4082 * Build the data structure needed to make fast type checks work.
4083 * This currently sets two fields in @class:
4084 * - idepth: distance between @class and System.Object in the type
4086 * - supertypes: array of classes: each element has a class in the hierarchy
4087 * starting from @class up to System.Object
4089 * LOCKING: this assumes the loader lock is held
4092 mono_class_setup_supertypes (MonoClass *class)
4096 if (class->supertypes)
4099 if (class->parent && !class->parent->supertypes)
4100 mono_class_setup_supertypes (class->parent);
4102 class->idepth = class->parent->idepth + 1;
4106 ms = MAX (MONO_DEFAULT_SUPERTABLE_SIZE, class->idepth);
4107 class->supertypes = mono_mempool_alloc0 (class->image->mempool, sizeof (MonoClass *) * ms);
4109 if (class->parent) {
4110 class->supertypes [class->idepth - 1] = class;
4111 memcpy (class->supertypes, class->parent->supertypes, class->parent->idepth * sizeof (gpointer));
4113 class->supertypes [0] = class;
4118 * mono_class_create_from_typedef:
4119 * @image: image where the token is valid
4120 * @type_token: typedef token
4122 * Create the MonoClass* representing the specified type token.
4123 * @type_token must be a TypeDef token.
4126 mono_class_create_from_typedef (MonoImage *image, guint32 type_token)
4128 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
4129 MonoClass *class, *parent = NULL;
4130 guint32 cols [MONO_TYPEDEF_SIZE];
4131 guint32 cols_next [MONO_TYPEDEF_SIZE];
4132 guint tidx = mono_metadata_token_index (type_token);
4133 MonoGenericContext *context = NULL;
4134 const char *name, *nspace;
4136 MonoClass **interfaces;
4137 guint32 field_last, method_last;
4138 guint32 nesting_tokeen;
4140 mono_loader_lock ();
4142 if ((class = mono_internal_hash_table_lookup (&image->class_cache, GUINT_TO_POINTER (type_token)))) {
4143 mono_loader_unlock ();
4147 g_assert (mono_metadata_token_table (type_token) == MONO_TABLE_TYPEDEF);
4149 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
4151 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
4152 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
4154 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4157 class->name_space = nspace;
4159 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4161 class->image = image;
4162 class->type_token = type_token;
4163 class->flags = cols [MONO_TYPEDEF_FLAGS];
4165 mono_internal_hash_table_insert (&image->class_cache, GUINT_TO_POINTER (type_token), class);
4168 * Check whether we're a generic type definition.
4170 class->generic_container = mono_metadata_load_generic_params (image, class->type_token, NULL);
4171 if (class->generic_container) {
4172 class->generic_container->owner.klass = class;
4173 context = &class->generic_container->context;
4176 if (cols [MONO_TYPEDEF_EXTENDS]) {
4177 parent = mono_class_get_full (
4178 image, mono_metadata_token_from_dor (cols [MONO_TYPEDEF_EXTENDS]), context);
4179 if (parent == NULL){
4180 mono_internal_hash_table_remove (&image->class_cache, GUINT_TO_POINTER (type_token));
4181 mono_loader_unlock ();
4182 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4187 /* do this early so it's available for interfaces in setup_mono_type () */
4188 if ((nesting_tokeen = mono_metadata_nested_in_typedef (image, type_token)))
4189 class->nested_in = mono_class_create_from_typedef (image, nesting_tokeen);
4191 mono_class_setup_parent (class, parent);
4193 /* uses ->valuetype, which is initialized by mono_class_setup_parent above */
4194 mono_class_setup_mono_type (class);
4196 if (!class->enumtype) {
4197 if (!mono_metadata_interfaces_from_typedef_full (
4198 image, type_token, &interfaces, &icount, context)){
4199 mono_loader_unlock ();
4200 mono_profiler_class_loaded (class, MONO_PROFILE_FAILED);
4204 class->interfaces = interfaces;
4205 class->interface_count = icount;
4208 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_UNICODE_CLASS)
4212 if ((class->flags & TYPE_ATTRIBUTE_STRING_FORMAT_MASK) == TYPE_ATTRIBUTE_AUTO_CLASS)
4216 class->cast_class = class->element_class = class;
4218 /*g_print ("Load class %s\n", name);*/
4221 * Compute the field and method lists
4223 class->field.first = cols [MONO_TYPEDEF_FIELD_LIST] - 1;
4224 class->method.first = cols [MONO_TYPEDEF_METHOD_LIST] - 1;
4226 if (tt->rows > tidx){
4227 mono_metadata_decode_row (tt, tidx, cols_next, MONO_TYPEDEF_SIZE);
4228 field_last = cols_next [MONO_TYPEDEF_FIELD_LIST] - 1;
4229 method_last = cols_next [MONO_TYPEDEF_METHOD_LIST] - 1;
4231 field_last = image->tables [MONO_TABLE_FIELD].rows;
4232 method_last = image->tables [MONO_TABLE_METHOD].rows;
4235 if (cols [MONO_TYPEDEF_FIELD_LIST] &&
4236 cols [MONO_TYPEDEF_FIELD_LIST] <= image->tables [MONO_TABLE_FIELD].rows)
4237 class->field.count = field_last - class->field.first;
4239 class->field.count = 0;
4241 if (cols [MONO_TYPEDEF_METHOD_LIST] <= image->tables [MONO_TABLE_METHOD].rows)
4242 class->method.count = method_last - class->method.first;
4244 class->method.count = 0;
4246 /* reserve space to store vector pointer in arrays */
4247 if (!strcmp (nspace, "System") && !strcmp (name, "Array")) {
4248 class->instance_size += 2 * sizeof (gpointer);
4249 g_assert (class->field.count == 0);
4252 if (class->enumtype) {
4253 class->enum_basetype = mono_class_find_enum_basetype (class);
4254 if (!class->enum_basetype) {
4255 mono_class_set_failure (class, MONO_EXCEPTION_TYPE_LOAD, NULL);
4256 mono_loader_unlock ();
4259 class->cast_class = class->element_class = mono_class_from_mono_type (class->enum_basetype);
4263 * If we're a generic type definition, load the constraints.
4264 * We must do this after the class has been constructed to make certain recursive scenarios
4267 if (class->generic_container)
4268 mono_metadata_load_generic_param_constraints (
4269 image, type_token, class->generic_container);
4271 mono_loader_unlock ();
4273 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4278 /** is klass Nullable<T>? */
4280 mono_class_is_nullable (MonoClass *klass)
4282 return klass->generic_class != NULL &&
4283 klass->generic_class->container_class == mono_defaults.generic_nullable_class;
4287 /** if klass is T? return T */
4289 mono_class_get_nullable_param (MonoClass *klass)
4291 g_assert (mono_class_is_nullable (klass));
4292 return mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4296 * Create the `MonoClass' for an instantiation of a generic type.
4297 * We only do this if we actually need it.
4300 mono_generic_class_get_class (MonoGenericClass *gclass)
4302 MonoClass *klass, *gklass;
4305 mono_loader_lock ();
4306 if (gclass->cached_class) {
4307 mono_loader_unlock ();
4308 return gclass->cached_class;
4311 gclass->cached_class = g_malloc0 (sizeof (MonoClass));
4312 klass = gclass->cached_class;
4314 gklass = gclass->container_class;
4316 if (gklass->nested_in) {
4318 * FIXME: the nested type context should include everything the
4319 * nesting context should have, but it may also have additional
4320 * generic parameters...
4322 MonoType *inflated = mono_class_inflate_generic_type (
4323 &gklass->nested_in->byval_arg, mono_generic_class_get_context (gclass));
4324 klass->nested_in = mono_class_from_mono_type (inflated);
4325 mono_metadata_free_type (inflated);
4328 klass->name = gklass->name;
4329 klass->name_space = gklass->name_space;
4331 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4333 klass->image = gklass->image;
4334 klass->flags = gklass->flags;
4335 klass->type_token = gklass->type_token;
4336 klass->field.count = gklass->field.count;
4337 klass->property.count = gklass->property.count;
4339 klass->generic_class = gclass;
4341 klass->this_arg.type = klass->byval_arg.type = MONO_TYPE_GENERICINST;
4342 klass->this_arg.data.generic_class = klass->byval_arg.data.generic_class = gclass;
4343 klass->this_arg.byref = TRUE;
4344 klass->enumtype = gklass->enumtype;
4345 klass->valuetype = gklass->valuetype;
4347 klass->cast_class = klass->element_class = klass;
4349 if (mono_class_is_nullable (klass))
4350 klass->cast_class = klass->element_class = mono_class_get_nullable_param (klass);
4352 klass->interface_count = gklass->interface_count;
4353 klass->interfaces = g_new0 (MonoClass *, klass->interface_count);
4354 for (i = 0; i < klass->interface_count; i++) {
4355 MonoType *it = &gklass->interfaces [i]->byval_arg;
4356 MonoType *inflated = mono_class_inflate_generic_type (it, mono_generic_class_get_context (gclass));
4357 klass->interfaces [i] = mono_class_from_mono_type (inflated);
4358 mono_metadata_free_type (inflated);
4362 * We're not interested in the nested classes of a generic instance.
4363 * We use the generic type definition to look for nested classes.
4365 klass->nested_classes = NULL;
4367 if (gklass->parent) {
4368 MonoType *inflated = mono_class_inflate_generic_type (
4369 &gklass->parent->byval_arg, mono_generic_class_get_context (gclass));
4371 klass->parent = mono_class_from_mono_type (inflated);
4372 mono_metadata_free_type (inflated);
4376 mono_class_setup_parent (klass, klass->parent);
4378 if (klass->enumtype) {
4379 klass->enum_basetype = gklass->enum_basetype;
4380 klass->cast_class = gklass->cast_class;
4383 if (gclass->is_dynamic) {
4386 mono_class_setup_supertypes (klass);
4388 if (klass->enumtype) {
4390 * For enums, gklass->fields might not been set, but instance_size etc. is
4391 * already set in mono_reflection_create_internal_class (). For non-enums,
4392 * these will be computed normally in mono_class_layout_fields ().
4394 klass->instance_size = gklass->instance_size;
4395 klass->sizes.class_size = gklass->sizes.class_size;
4396 klass->size_inited = 1;
4400 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4402 mono_loader_unlock ();
4408 mono_class_from_generic_parameter (MonoGenericParam *param, MonoImage *image, gboolean is_mvar)
4410 MonoClass *klass, **ptr;
4413 mono_loader_lock ();
4415 if (param->pklass) {
4416 mono_loader_unlock ();
4417 return param->pklass;
4420 if (!image && param->owner) {
4422 MonoMethod *method = param->owner->owner.method;
4423 image = (method && method->klass) ? method->klass->image : NULL;
4425 MonoClass *klass = param->owner->owner.klass;
4426 // FIXME: 'klass' should not be null
4427 // But, monodis creates GenericContainers without associating a owner to it
4428 image = klass ? klass->image : NULL;
4433 image = mono_defaults.corlib;
4435 klass = param->pklass = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4438 klass->name = param->name;
4440 klass->name = mono_mempool_alloc0 (image->mempool, 16);
4441 sprintf ((char*)klass->name, is_mvar ? "!!%d" : "!%d", param->num);
4443 klass->name_space = "";
4444 mono_profiler_class_event (klass, MONO_PROFILE_START_LOAD);
4446 for (count = 0, ptr = param->constraints; ptr && *ptr; ptr++, count++)
4450 if ((count > 0) && !MONO_CLASS_IS_INTERFACE (param->constraints [0])) {
4451 klass->parent = param->constraints [0];
4453 } else if (param->flags & GENERIC_PARAMETER_ATTRIBUTE_VALUE_TYPE_CONSTRAINT)
4454 klass->parent = mono_class_from_name (mono_defaults.corlib, "System", "ValueType");
4456 klass->parent = mono_defaults.object_class;
4458 if (count - pos > 0) {
4459 klass->interface_count = count - pos;
4460 klass->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass *) * (count - pos));
4461 for (i = pos; i < count; i++)
4462 klass->interfaces [i - pos] = param->constraints [i];
4466 image = mono_defaults.corlib;
4468 klass->image = image;
4470 klass->inited = TRUE;
4471 klass->cast_class = klass->element_class = klass;
4472 klass->enum_basetype = &klass->element_class->byval_arg;
4473 klass->flags = TYPE_ATTRIBUTE_PUBLIC;
4475 klass->this_arg.type = klass->byval_arg.type = is_mvar ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
4476 klass->this_arg.data.generic_param = klass->byval_arg.data.generic_param = param;
4477 klass->this_arg.byref = TRUE;
4481 guint32 cols [MONO_GENERICPARAM_SIZE];
4482 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
4485 if (is_mvar && param->owner->owner.method)
4486 i = mono_metadata_get_generic_param_row (image, param->owner->owner.method->token, &owner);
4487 else if (!is_mvar && param->owner->owner.klass)
4488 i = mono_metadata_get_generic_param_row (image, param->owner->owner.klass->type_token, &owner);
4491 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
4493 if (cols [MONO_GENERICPARAM_NUMBER] == param->num) {
4494 klass->sizes.generic_param_token = i | MONO_TOKEN_GENERIC_PARAM;
4497 if (++i > tdef->rows)
4499 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
4500 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
4504 mono_class_setup_supertypes (klass);
4506 mono_loader_unlock ();
4508 mono_profiler_class_loaded (klass, MONO_PROFILE_OK);
4514 mono_ptr_class_get (MonoType *type)
4517 MonoClass *el_class;
4521 el_class = mono_class_from_mono_type (type);
4522 image = el_class->image;
4524 mono_loader_lock ();
4526 if (!image->ptr_cache)
4527 image->ptr_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4529 if ((result = g_hash_table_lookup (image->ptr_cache, el_class))) {
4530 mono_loader_unlock ();
4533 result = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4535 result->parent = NULL; /* no parent for PTR types */
4536 result->name_space = el_class->name_space;
4537 name = g_strdup_printf ("%s*", el_class->name);
4538 result->name = mono_mempool_strdup (image->mempool, name);
4541 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4543 result->image = el_class->image;
4544 result->inited = TRUE;
4545 result->flags = TYPE_ATTRIBUTE_CLASS | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4546 /* Can pointers get boxed? */
4547 result->instance_size = sizeof (gpointer);
4548 result->cast_class = result->element_class = el_class;
4549 result->enum_basetype = &result->element_class->byval_arg;
4550 result->blittable = TRUE;
4552 result->this_arg.type = result->byval_arg.type = MONO_TYPE_PTR;
4553 result->this_arg.data.type = result->byval_arg.data.type = result->enum_basetype;
4554 result->this_arg.byref = TRUE;
4556 mono_class_setup_supertypes (result);
4558 g_hash_table_insert (image->ptr_cache, el_class, result);
4560 mono_loader_unlock ();
4562 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4568 mono_fnptr_class_get (MonoMethodSignature *sig)
4571 static GHashTable *ptr_hash = NULL;
4573 /* FIXME: These should be allocate from a mempool as well, but which one ? */
4575 mono_loader_lock ();
4578 ptr_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
4580 if ((result = g_hash_table_lookup (ptr_hash, sig))) {
4581 mono_loader_unlock ();
4584 result = g_new0 (MonoClass, 1);
4586 result->parent = NULL; /* no parent for PTR types */
4587 result->name_space = "System";
4588 result->name = "MonoFNPtrFakeClass";
4590 mono_profiler_class_event (result, MONO_PROFILE_START_LOAD);
4592 result->image = mono_defaults.corlib; /* need to fix... */
4593 result->inited = TRUE;
4594 result->flags = TYPE_ATTRIBUTE_CLASS; /* | (el_class->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK); */
4595 /* Can pointers get boxed? */
4596 result->instance_size = sizeof (gpointer);
4597 result->cast_class = result->element_class = result;
4598 result->blittable = TRUE;
4600 result->this_arg.type = result->byval_arg.type = MONO_TYPE_FNPTR;
4601 result->this_arg.data.method = result->byval_arg.data.method = sig;
4602 result->this_arg.byref = TRUE;
4603 result->enum_basetype = &result->element_class->byval_arg;
4604 result->blittable = TRUE;
4606 mono_class_setup_supertypes (result);
4608 g_hash_table_insert (ptr_hash, sig, result);
4610 mono_loader_unlock ();
4612 mono_profiler_class_loaded (result, MONO_PROFILE_OK);
4618 mono_class_from_mono_type (MonoType *type)
4620 switch (type->type) {
4621 case MONO_TYPE_OBJECT:
4622 return type->data.klass? type->data.klass: mono_defaults.object_class;
4623 case MONO_TYPE_VOID:
4624 return type->data.klass? type->data.klass: mono_defaults.void_class;
4625 case MONO_TYPE_BOOLEAN:
4626 return type->data.klass? type->data.klass: mono_defaults.boolean_class;
4627 case MONO_TYPE_CHAR:
4628 return type->data.klass? type->data.klass: mono_defaults.char_class;
4630 return type->data.klass? type->data.klass: mono_defaults.sbyte_class;
4632 return type->data.klass? type->data.klass: mono_defaults.byte_class;
4634 return type->data.klass? type->data.klass: mono_defaults.int16_class;
4636 return type->data.klass? type->data.klass: mono_defaults.uint16_class;
4638 return type->data.klass? type->data.klass: mono_defaults.int32_class;
4640 return type->data.klass? type->data.klass: mono_defaults.uint32_class;
4642 return type->data.klass? type->data.klass: mono_defaults.int_class;
4644 return type->data.klass? type->data.klass: mono_defaults.uint_class;
4646 return type->data.klass? type->data.klass: mono_defaults.int64_class;
4648 return type->data.klass? type->data.klass: mono_defaults.uint64_class;
4650 return type->data.klass? type->data.klass: mono_defaults.single_class;
4652 return type->data.klass? type->data.klass: mono_defaults.double_class;
4653 case MONO_TYPE_STRING:
4654 return type->data.klass? type->data.klass: mono_defaults.string_class;
4655 case MONO_TYPE_TYPEDBYREF:
4656 return type->data.klass? type->data.klass: mono_defaults.typed_reference_class;
4657 case MONO_TYPE_ARRAY:
4658 return mono_bounded_array_class_get (type->data.array->eklass, type->data.array->rank, TRUE);
4660 return mono_ptr_class_get (type->data.type);
4661 case MONO_TYPE_FNPTR:
4662 return mono_fnptr_class_get (type->data.method);
4663 case MONO_TYPE_SZARRAY:
4664 return mono_array_class_get (type->data.klass, 1);
4665 case MONO_TYPE_CLASS:
4666 case MONO_TYPE_VALUETYPE:
4667 return type->data.klass;
4668 case MONO_TYPE_GENERICINST:
4669 return mono_generic_class_get_class (type->data.generic_class);
4671 return mono_class_from_generic_parameter (type->data.generic_param, NULL, FALSE);
4672 case MONO_TYPE_MVAR:
4673 return mono_class_from_generic_parameter (type->data.generic_param, NULL, TRUE);
4675 g_warning ("mono_class_from_mono_type: implement me 0x%02x\n", type->type);
4676 g_assert_not_reached ();
4683 * mono_type_retrieve_from_typespec
4684 * @image: context where the image is created
4685 * @type_spec: typespec token
4686 * @context: the generic context used to evaluate generic instantiations in
4689 mono_type_retrieve_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context, gboolean *did_inflate)
4691 MonoType *t = mono_type_create_from_typespec (image, type_spec);
4694 if (context && (context->class_inst || context->method_inst)) {
4695 MonoType *inflated = inflate_generic_type (NULL, t, context);
4698 *did_inflate = TRUE;
4705 * mono_class_create_from_typespec
4706 * @image: context where the image is created
4707 * @type_spec: typespec token
4708 * @context: the generic context used to evaluate generic instantiations in
4711 mono_class_create_from_typespec (MonoImage *image, guint32 type_spec, MonoGenericContext *context)
4714 gboolean inflated = FALSE;
4715 MonoType *t = mono_type_retrieve_from_typespec (image, type_spec, context, &inflated);
4718 ret = mono_class_from_mono_type (t);
4720 mono_metadata_free_type (t);
4725 * mono_bounded_array_class_get:
4726 * @element_class: element class
4727 * @rank: the dimension of the array class
4728 * @bounded: whenever the array has non-zero bounds
4730 * Returns: a class object describing the array with element type @element_type and
4734 mono_bounded_array_class_get (MonoClass *eclass, guint32 rank, gboolean bounded)
4738 MonoClass *parent = NULL;
4739 GSList *list, *rootlist;
4742 gboolean corlib_type = FALSE;
4744 g_assert (rank <= 255);
4747 /* bounded only matters for one-dimensional arrays */
4750 image = eclass->image;
4752 mono_loader_lock ();
4754 if (!image->array_cache)
4755 image->array_cache = g_hash_table_new (mono_aligned_addr_hash, NULL);
4757 if ((rootlist = list = g_hash_table_lookup (image->array_cache, eclass))) {
4758 for (; list; list = list->next) {
4760 if ((class->rank == rank) && (class->byval_arg.type == (((rank > 1) || bounded) ? MONO_TYPE_ARRAY : MONO_TYPE_SZARRAY))) {
4761 mono_loader_unlock ();
4767 /* for the building corlib use System.Array from it */
4768 if (image->assembly && image->assembly->dynamic && image->assembly_name && strcmp (image->assembly_name, "mscorlib") == 0) {
4769 parent = mono_class_from_name (image, "System", "Array");
4772 parent = mono_defaults.array_class;
4773 if (!parent->inited)
4774 mono_class_init (parent);
4777 class = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass));
4779 class->image = image;
4780 class->name_space = eclass->name_space;
4781 nsize = strlen (eclass->name);
4782 name = g_malloc (nsize + 2 + rank + 1);
4783 memcpy (name, eclass->name, nsize);
4786 memset (name + nsize + 1, ',', rank - 1);
4788 name [nsize + rank] = '*';
4789 name [nsize + rank + bounded] = ']';
4790 name [nsize + rank + bounded + 1] = 0;
4791 class->name = mono_mempool_strdup (image->mempool, name);
4794 mono_profiler_class_event (class, MONO_PROFILE_START_LOAD);
4796 class->type_token = 0;
4797 /* all arrays are marked serializable and sealed, bug #42779 */
4798 class->flags = TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_SERIALIZABLE | TYPE_ATTRIBUTE_SEALED |
4799 (eclass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK);
4800 class->parent = parent;
4801 class->instance_size = mono_class_instance_size (class->parent);
4803 if (eclass->enumtype && !eclass->enum_basetype) {
4804 if (!eclass->reflection_info || eclass->wastypebuilder) {
4805 g_warning ("Only incomplete TypeBuilder objects are allowed to be an enum without base_type");
4806 g_assert (eclass->reflection_info && !eclass->wastypebuilder);
4808 /* element_size -1 is ok as this is not an instantitable type*/
4809 class->sizes.element_size = -1;
4811 class->sizes.element_size = mono_class_array_element_size (eclass);
4813 mono_class_setup_supertypes (class);
4815 if (mono_defaults.generic_ilist_class && !bounded && rank == 1) {
4818 /* generic IList, ICollection, IEnumerable */
4819 class->interface_count = 1;
4820 class->interfaces = mono_mempool_alloc0 (image->mempool, sizeof (MonoClass*) * class->interface_count);
4822 args [0] = &eclass->byval_arg;
4823 class->interfaces [0] = mono_class_bind_generic_parameters (
4824 mono_defaults.generic_ilist_class, 1, args, FALSE);
4827 if (eclass->generic_class)
4828 mono_class_init (eclass);
4829 if (!eclass->size_inited)
4830 mono_class_setup_fields (eclass);
4831 class->has_references = MONO_TYPE_IS_REFERENCE (&eclass->byval_arg) || eclass->has_references? TRUE: FALSE;
4835 if (eclass->enumtype)
4836 class->cast_class = eclass->element_class;
4838 class->cast_class = eclass;
4840 class->element_class = eclass;
4842 if ((rank > 1) || bounded) {
4843 MonoArrayType *at = mono_mempool_alloc0 (image->mempool, sizeof (MonoArrayType));
4844 class->byval_arg.type = MONO_TYPE_ARRAY;
4845 class->byval_arg.data.array = at;
4846 at->eklass = eclass;
4848 /* FIXME: complete.... */
4850 class->byval_arg.type = MONO_TYPE_SZARRAY;
4851 class->byval_arg.data.klass = eclass;
4853 class->this_arg = class->byval_arg;
4854 class->this_arg.byref = 1;
4859 class->generic_container = eclass->generic_container;
4861 list = g_slist_append (rootlist, class);
4862 g_hash_table_insert (image->array_cache, eclass, list);
4864 mono_loader_unlock ();
4866 mono_profiler_class_loaded (class, MONO_PROFILE_OK);
4872 * mono_array_class_get:
4873 * @element_class: element class
4874 * @rank: the dimension of the array class
4876 * Returns: a class object describing the array with element type @element_type and
4880 mono_array_class_get (MonoClass *eclass, guint32 rank)
4882 return mono_bounded_array_class_get (eclass, rank, FALSE);
4886 * mono_class_instance_size:
4889 * Returns: the size of an object instance
4892 mono_class_instance_size (MonoClass *klass)
4894 if (!klass->size_inited)
4895 mono_class_init (klass);
4897 return klass->instance_size;
4901 * mono_class_min_align:
4904 * Returns: minimm alignment requirements
4907 mono_class_min_align (MonoClass *klass)
4909 if (!klass->size_inited)
4910 mono_class_init (klass);
4912 return klass->min_align;
4916 * mono_class_value_size:
4919 * This function is used for value types, and return the
4920 * space and the alignment to store that kind of value object.
4922 * Returns: the size of a value of kind @klass
4925 mono_class_value_size (MonoClass *klass, guint32 *align)
4929 /* fixme: check disable, because we still have external revereces to
4930 * mscorlib and Dummy Objects
4932 /*g_assert (klass->valuetype);*/
4934 size = mono_class_instance_size (klass) - sizeof (MonoObject);
4937 *align = klass->min_align;
4943 * mono_class_data_size:
4946 * Returns: the size of the static class data
4949 mono_class_data_size (MonoClass *klass)
4952 mono_class_init (klass);
4954 /* in arrays, sizes.class_size is unioned with element_size
4955 * and arrays have no static fields
4959 return klass->sizes.class_size;
4963 * Auxiliary routine to mono_class_get_field
4965 * Takes a field index instead of a field token.
4967 static MonoClassField *
4968 mono_class_get_field_idx (MonoClass *class, int idx)
4970 mono_class_setup_fields_locking (class);
4973 if (class->image->uncompressed_metadata) {
4975 * class->field.first points to the FieldPtr table, while idx points into the
4976 * Field table, so we have to do a search.
4978 const char *name = mono_metadata_string_heap (class->image, mono_metadata_decode_row_col (&class->image->tables [MONO_TABLE_FIELD], idx, MONO_FIELD_NAME));
4981 for (i = 0; i < class->field.count; ++i)
4982 if (class->fields [i].name == name)
4983 return &class->fields [i];
4984 g_assert_not_reached ();
4986 if (class->field.count) {
4987 if ((idx >= class->field.first) && (idx < class->field.first + class->field.count)){
4988 return &class->fields [idx - class->field.first];
4992 class = class->parent;
4998 * mono_class_get_field:
4999 * @class: the class to lookup the field.
5000 * @field_token: the field token
5002 * Returns: A MonoClassField representing the type and offset of
5003 * the field, or a NULL value if the field does not belong to this
5007 mono_class_get_field (MonoClass *class, guint32 field_token)
5009 int idx = mono_metadata_token_index (field_token);
5011 g_assert (mono_metadata_token_code (field_token) == MONO_TOKEN_FIELD_DEF);
5013 return mono_class_get_field_idx (class, idx - 1);
5017 * mono_class_get_field_from_name:
5018 * @klass: the class to lookup the field.
5019 * @name: the field name
5021 * Search the class @klass and it's parents for a field with the name @name.
5023 * Returns: the MonoClassField pointer of the named field or NULL
5026 mono_class_get_field_from_name (MonoClass *klass, const char *name)
5030 mono_class_setup_fields_locking (klass);
5032 for (i = 0; i < klass->field.count; ++i) {
5033 if (strcmp (name, klass->fields [i].name) == 0)
5034 return &klass->fields [i];
5036 klass = klass->parent;
5042 * mono_class_get_field_token:
5043 * @field: the field we need the token of
5045 * Get the token of a field. Note that the tokesn is only valid for the image
5046 * the field was loaded from. Don't use this function for fields in dynamic types.
5048 * Returns: the token representing the field in the image it was loaded from.
5051 mono_class_get_field_token (MonoClassField *field)
5053 MonoClass *klass = field->parent;
5056 mono_class_setup_fields_locking (klass);
5058 for (i = 0; i < klass->field.count; ++i) {
5059 if (&klass->fields [i] == field) {
5060 int idx = klass->field.first + i + 1;
5062 if (klass->image->uncompressed_metadata)
5063 idx = mono_metadata_translate_token_index (klass->image, MONO_TABLE_FIELD, idx);
5064 return mono_metadata_make_token (MONO_TABLE_FIELD, idx);
5067 klass = klass->parent;
5070 g_assert_not_reached ();
5075 * mono_class_get_field_default_value:
5077 * Return the default value of the field as a pointer into the metadata blob.
5080 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type)
5083 guint32 constant_cols [MONO_CONSTANT_SIZE];
5085 g_assert (field->type->attrs & FIELD_ATTRIBUTE_HAS_DEFAULT);
5088 cindex = mono_metadata_get_constant_index (field->parent->image, mono_class_get_field_token (field), 0);
5090 g_assert (!(field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_RVA));
5092 mono_metadata_decode_row (&field->parent->image->tables [MONO_TABLE_CONSTANT], cindex - 1, constant_cols, MONO_CONSTANT_SIZE);
5093 field->def_type = constant_cols [MONO_CONSTANT_TYPE];
5094 field->data = (gpointer)mono_metadata_blob_heap (field->parent->image, constant_cols [MONO_CONSTANT_VALUE]);
5097 *def_type = field->def_type;
5102 mono_class_get_event_token (MonoEvent *event)
5104 MonoClass *klass = event->parent;
5108 for (i = 0; i < klass->event.count; ++i) {
5109 if (&klass->events [i] == event)
5110 return mono_metadata_make_token (MONO_TABLE_EVENT, klass->event.first + i + 1);
5112 klass = klass->parent;
5115 g_assert_not_reached ();
5120 mono_class_get_property_from_name (MonoClass *klass, const char *name)
5124 gpointer iter = NULL;
5125 while ((p = mono_class_get_properties (klass, &iter))) {
5126 if (! strcmp (name, p->name))
5129 klass = klass->parent;
5135 mono_class_get_property_token (MonoProperty *prop)
5137 MonoClass *klass = prop->parent;
5141 gpointer iter = NULL;
5142 while ((p = mono_class_get_properties (klass, &iter))) {
5143 if (&klass->properties [i] == prop)
5144 return mono_metadata_make_token (MONO_TABLE_PROPERTY, klass->property.first + i + 1);
5148 klass = klass->parent;
5151 g_assert_not_reached ();
5156 mono_class_name_from_token (MonoImage *image, guint32 type_token)
5158 const char *name, *nspace;
5160 return g_strdup_printf ("DynamicType 0x%08x", type_token);
5162 switch (type_token & 0xff000000){
5163 case MONO_TOKEN_TYPE_DEF: {
5164 guint32 cols [MONO_TYPEDEF_SIZE];
5165 MonoTableInfo *tt = &image->tables [MONO_TABLE_TYPEDEF];
5166 guint tidx = mono_metadata_token_index (type_token);
5168 mono_metadata_decode_row (tt, tidx - 1, cols, MONO_TYPEDEF_SIZE);
5169 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5170 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5171 if (strlen (nspace) == 0)
5172 return g_strdup_printf ("%s", name);
5174 return g_strdup_printf ("%s.%s", nspace, name);
5177 case MONO_TOKEN_TYPE_REF: {
5178 guint32 cols [MONO_TYPEREF_SIZE];
5179 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5181 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5182 name = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAME]);
5183 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEREF_NAMESPACE]);
5184 if (strlen (nspace) == 0)
5185 return g_strdup_printf ("%s", name);
5187 return g_strdup_printf ("%s.%s", nspace, name);
5190 case MONO_TOKEN_TYPE_SPEC:
5191 return g_strdup_printf ("Typespec 0x%08x", type_token);
5193 g_assert_not_reached ();
5200 mono_assembly_name_from_token (MonoImage *image, guint32 type_token)
5203 return g_strdup_printf ("DynamicAssembly %s", image->name);
5205 switch (type_token & 0xff000000){
5206 case MONO_TOKEN_TYPE_DEF:
5207 return mono_stringify_assembly_name (&image->assembly->aname);
5209 case MONO_TOKEN_TYPE_REF: {
5210 MonoAssemblyName aname;
5211 guint32 cols [MONO_TYPEREF_SIZE];
5212 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEREF];
5215 mono_metadata_decode_row (t, (type_token&0xffffff)-1, cols, MONO_TYPEREF_SIZE);
5217 idx = cols [MONO_TYPEREF_SCOPE] >> MONO_RESOLTION_SCOPE_BITS;
5218 switch (cols [MONO_TYPEREF_SCOPE] & MONO_RESOLTION_SCOPE_MASK) {
5219 case MONO_RESOLTION_SCOPE_MODULE:
5221 return g_strdup ("");
5222 case MONO_RESOLTION_SCOPE_MODULEREF:
5224 return g_strdup ("");
5225 case MONO_RESOLTION_SCOPE_TYPEREF:
5227 return g_strdup ("");
5228 case MONO_RESOLTION_SCOPE_ASSEMBLYREF:
5229 mono_assembly_get_assemblyref (image, idx - 1, &aname);
5230 return mono_stringify_assembly_name (&aname);
5232 g_assert_not_reached ();
5236 case MONO_TOKEN_TYPE_SPEC:
5238 return g_strdup ("");
5240 g_assert_not_reached ();
5247 * mono_class_get_full:
5248 * @image: the image where the class resides
5249 * @type_token: the token for the class
5250 * @context: the generic context used to evaluate generic instantiations in
5252 * Returns: the MonoClass that represents @type_token in @image
5255 mono_class_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5257 MonoClass *class = NULL;
5259 if (image->dynamic) {
5260 int table = mono_metadata_token_table (type_token);
5262 if (table != MONO_TABLE_TYPEDEF && table != MONO_TABLE_TYPEREF && table != MONO_TABLE_TYPESPEC) {
5263 mono_loader_set_error_bad_image (g_strdup ("Bad type token."));
5266 return mono_lookup_dynamic_token (image, type_token, context);
5269 switch (type_token & 0xff000000){
5270 case MONO_TOKEN_TYPE_DEF:
5271 class = mono_class_create_from_typedef (image, type_token);
5273 case MONO_TOKEN_TYPE_REF:
5274 class = mono_class_from_typeref (image, type_token);
5276 case MONO_TOKEN_TYPE_SPEC:
5277 class = mono_class_create_from_typespec (image, type_token, context);
5280 g_warning ("unknown token type %x", type_token & 0xff000000);
5281 g_assert_not_reached ();
5285 char *name = mono_class_name_from_token (image, type_token);
5286 char *assembly = mono_assembly_name_from_token (image, type_token);
5287 mono_loader_set_error_type_load (name, assembly);
5295 * mono_type_get_full:
5296 * @image: the image where the type resides
5297 * @type_token: the token for the type
5298 * @context: the generic context used to evaluate generic instantiations in
5300 * This functions exists to fullfill the fact that sometimes it's desirable to have access to the
5302 * Returns: the MonoType that represents @type_token in @image
5305 mono_type_get_full (MonoImage *image, guint32 type_token, MonoGenericContext *context)
5307 MonoType *type = NULL;
5308 gboolean inflated = FALSE;
5310 //FIXME: this will not fix the very issue for which mono_type_get_full exists -but how to do it then?
5312 return mono_class_get_type (mono_lookup_dynamic_token (image, type_token, context));
5314 if ((type_token & 0xff000000) != MONO_TOKEN_TYPE_SPEC) {
5315 MonoClass *class = mono_class_get_full (image, type_token, context);
5316 return class ? mono_class_get_type (class) : NULL;
5319 type = mono_type_retrieve_from_typespec (image, type_token, context, &inflated);
5322 char *name = mono_class_name_from_token (image, type_token);
5323 char *assembly = mono_assembly_name_from_token (image, type_token);
5325 mono_metadata_free_type (type);
5326 mono_loader_set_error_type_load (name, assembly);
5330 MonoType *tmp = type;
5331 type = mono_class_get_type (mono_class_from_mono_type (type));
5332 /* FIXME: This is a workaround fo the fact that a typespec token sometimes reference to the generic type definition.
5333 * A MonoClass::byval_arg of a generic type definion has type CLASS.
5334 * Some parts of mono create a GENERICINST to reference a generic type definition and this generates confict with byval_arg.
5336 * The long term solution is to chaise this places and make then set MonoType::type correctly.
5338 if (type->type != tmp->type)
5341 mono_metadata_free_type (tmp);
5348 mono_class_get (MonoImage *image, guint32 type_token)
5350 return mono_class_get_full (image, type_token, NULL);
5354 * mono_image_init_name_cache:
5356 * Initializes the class name cache stored in image->name_cache.
5358 * LOCKING: Acquires the loader lock.
5361 mono_image_init_name_cache (MonoImage *image)
5363 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5364 guint32 cols [MONO_TYPEDEF_SIZE];
5367 guint32 i, visib, nspace_index;
5368 GHashTable *name_cache2, *nspace_table;
5370 mono_loader_lock ();
5372 image->name_cache = g_hash_table_new (g_str_hash, g_str_equal);
5374 if (image->dynamic) {
5375 mono_loader_unlock ();
5379 /* Temporary hash table to avoid lookups in the nspace_table */
5380 name_cache2 = g_hash_table_new (NULL, NULL);
5382 for (i = 1; i <= t->rows; ++i) {
5383 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5384 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5386 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5387 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5389 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5391 name = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5392 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5394 nspace_index = cols [MONO_TYPEDEF_NAMESPACE];
5395 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5396 if (!nspace_table) {
5397 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5398 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5399 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5402 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (i));
5405 /* Load type names from EXPORTEDTYPES table */
5407 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5408 guint32 cols [MONO_EXP_TYPE_SIZE];
5411 for (i = 0; i < t->rows; ++i) {
5412 mono_metadata_decode_row (t, i, cols, MONO_EXP_TYPE_SIZE);
5413 name = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAME]);
5414 nspace = mono_metadata_string_heap (image, cols [MONO_EXP_TYPE_NAMESPACE]);
5416 nspace_index = cols [MONO_EXP_TYPE_NAMESPACE];
5417 nspace_table = g_hash_table_lookup (name_cache2, GUINT_TO_POINTER (nspace_index));
5418 if (!nspace_table) {
5419 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5420 g_hash_table_insert (image->name_cache, (char*)nspace, nspace_table);
5421 g_hash_table_insert (name_cache2, GUINT_TO_POINTER (nspace_index),
5424 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (mono_metadata_make_token (MONO_TABLE_EXPORTEDTYPE, i + 1)));
5428 g_hash_table_destroy (name_cache2);
5430 mono_loader_unlock ();
5434 mono_image_add_to_name_cache (MonoImage *image, const char *nspace,
5435 const char *name, guint32 index)
5437 GHashTable *nspace_table;
5438 GHashTable *name_cache;
5440 mono_loader_lock ();
5442 if (!image->name_cache)
5443 mono_image_init_name_cache (image);
5445 name_cache = image->name_cache;
5446 if (!(nspace_table = g_hash_table_lookup (name_cache, nspace))) {
5447 nspace_table = g_hash_table_new (g_str_hash, g_str_equal);
5448 g_hash_table_insert (name_cache, (char *)nspace, (char *)nspace_table);
5450 g_hash_table_insert (nspace_table, (char *) name, GUINT_TO_POINTER (index));
5452 mono_loader_unlock ();
5461 find_nocase (gpointer key, gpointer value, gpointer user_data)
5463 char *name = (char*)key;
5464 FindUserData *data = (FindUserData*)user_data;
5466 if (!data->value && (g_strcasecmp (name, (char*)data->key) == 0))
5467 data->value = value;
5471 * mono_class_from_name_case:
5472 * @image: The MonoImage where the type is looked up in
5473 * @name_space: the type namespace
5474 * @name: the type short name.
5476 * Obtains a MonoClass with a given namespace and a given name which
5477 * is located in the given MonoImage. The namespace and name
5478 * lookups are case insensitive.
5481 mono_class_from_name_case (MonoImage *image, const char* name_space, const char *name)
5483 MonoTableInfo *t = &image->tables [MONO_TABLE_TYPEDEF];
5484 guint32 cols [MONO_TYPEDEF_SIZE];
5489 if (image->dynamic) {
5491 FindUserData user_data;
5493 mono_loader_lock ();
5495 if (!image->name_cache)
5496 mono_image_init_name_cache (image);
5498 user_data.key = name_space;
5499 user_data.value = NULL;
5500 g_hash_table_foreach (image->name_cache, find_nocase, &user_data);
5502 if (user_data.value) {
5503 GHashTable *nspace_table = (GHashTable*)user_data.value;
5505 user_data.key = name;
5506 user_data.value = NULL;
5508 g_hash_table_foreach (nspace_table, find_nocase, &user_data);
5510 if (user_data.value)
5511 token = GPOINTER_TO_UINT (user_data.value);
5514 mono_loader_unlock ();
5517 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | token);
5523 /* add a cache if needed */
5524 for (i = 1; i <= t->rows; ++i) {
5525 mono_metadata_decode_row (t, i - 1, cols, MONO_TYPEDEF_SIZE);
5526 visib = cols [MONO_TYPEDEF_FLAGS] & TYPE_ATTRIBUTE_VISIBILITY_MASK;
5528 * Nested types are accessed from the nesting name. We use the fact that nested types use different visibility flags
5529 * than toplevel types, thus avoiding the need to grovel through the NESTED_TYPE table
5531 if (visib >= TYPE_ATTRIBUTE_NESTED_PUBLIC && visib <= TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM)
5533 n = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAME]);
5534 nspace = mono_metadata_string_heap (image, cols [MONO_TYPEDEF_NAMESPACE]);
5535 if (g_strcasecmp (n, name) == 0 && g_strcasecmp (nspace, name_space) == 0)
5536 return mono_class_get (image, MONO_TOKEN_TYPE_DEF | i);
5542 return_nested_in (MonoClass *class, char *nested)
5545 char *s = strchr (nested, '/');
5546 gpointer iter = NULL;
5553 while ((found = mono_class_get_nested_types (class, &iter))) {
5554 if (strcmp (found->name, nested) == 0) {
5556 return return_nested_in (found, s);
5564 search_modules (MonoImage *image, const char *name_space, const char *name)
5566 MonoTableInfo *file_table = &image->tables [MONO_TABLE_FILE];
5567 MonoImage *file_image;
5572 * The EXPORTEDTYPES table only contains public types, so have to search the
5574 * Note: image->modules contains the contents of the MODULEREF table, while
5575 * the real module list is in the FILE table.
5577 for (i = 0; i < file_table->rows; i++) {
5578 guint32 cols [MONO_FILE_SIZE];
5579 mono_metadata_decode_row (file_table, i, cols, MONO_FILE_SIZE);
5580 if (cols [MONO_FILE_FLAGS] == FILE_CONTAINS_NO_METADATA)
5583 file_image = mono_image_load_file_for_image (image, i + 1);
5585 class = mono_class_from_name (file_image, name_space, name);
5595 * mono_class_from_name:
5596 * @image: The MonoImage where the type is looked up in
5597 * @name_space: the type namespace
5598 * @name: the type short name.
5600 * Obtains a MonoClass with a given namespace and a given name which
5601 * is located in the given MonoImage.
5604 mono_class_from_name (MonoImage *image, const char* name_space, const char *name)
5606 GHashTable *nspace_table;
5607 MonoImage *loaded_image;
5614 if ((nested = strchr (name, '/'))) {
5615 int pos = nested - name;
5616 int len = strlen (name);
5619 memcpy (buf, name, len + 1);
5621 nested = buf + pos + 1;
5625 if (get_class_from_name) {
5626 gboolean res = get_class_from_name (image, name_space, name, &class);
5629 class = search_modules (image, name_space, name);
5631 return class ? return_nested_in (class, nested) : NULL;
5637 mono_loader_lock ();
5639 if (!image->name_cache)
5640 mono_image_init_name_cache (image);
5642 nspace_table = g_hash_table_lookup (image->name_cache, name_space);
5645 token = GPOINTER_TO_UINT (g_hash_table_lookup (nspace_table, name));
5647 mono_loader_unlock ();
5649 if (!token && image->dynamic && image->modules) {
5650 /* Search modules as well */
5651 for (i = 0; i < image->module_count; ++i) {
5652 MonoImage *module = image->modules [i];
5654 class = mono_class_from_name (module, name_space, name);
5661 class = search_modules (image, name_space, name);
5669 if (mono_metadata_token_table (token) == MONO_TABLE_EXPORTEDTYPE) {
5670 MonoTableInfo *t = &image->tables [MONO_TABLE_EXPORTEDTYPE];
5671 guint32 cols [MONO_EXP_TYPE_SIZE];
5674 idx = mono_metadata_token_index (token);
5676 mono_metadata_decode_row (t, idx - 1, cols, MONO_EXP_TYPE_SIZE);
5678 impl = cols [MONO_EXP_TYPE_IMPLEMENTATION];
5679 if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_FILE) {
5680 loaded_image = mono_assembly_load_module (image->assembly, impl >> MONO_IMPLEMENTATION_BITS);
5683 class = mono_class_from_name (loaded_image, name_space, name);
5685 return return_nested_in (class, nested);
5687 } else if ((impl & MONO_IMPLEMENTATION_MASK) == MONO_IMPLEMENTATION_ASSEMBLYREF) {
5688 MonoAssembly **references = image->references;
5689 guint32 assembly_idx;
5691 assembly_idx = impl >> MONO_IMPLEMENTATION_BITS;
5693 if (!references [assembly_idx - 1])
5694 mono_assembly_load_reference (image, assembly_idx - 1);
5695 g_assert (references == image->references);
5696 g_assert (references [assembly_idx - 1]);
5697 if (references [assembly_idx - 1] == (gpointer)-1)
5700 /* FIXME: Cycle detection */
5701 return mono_class_from_name (references [assembly_idx - 1]->image, name_space, name);
5703 g_error ("not yet implemented");
5707 token = MONO_TOKEN_TYPE_DEF | token;
5709 class = mono_class_get (image, token);
5711 return return_nested_in (class, nested);
5716 mono_class_is_subclass_of (MonoClass *klass, MonoClass *klassc,
5717 gboolean check_interfaces)
5719 g_assert (klassc->idepth > 0);
5720 if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && !MONO_CLASS_IS_INTERFACE (klass)) {
5721 if (MONO_CLASS_IMPLEMENTS_INTERFACE (klass, klassc->interface_id))
5723 } else if (check_interfaces && MONO_CLASS_IS_INTERFACE (klassc) && MONO_CLASS_IS_INTERFACE (klass)) {
5726 for (i = 0; i < klass->interface_count; i ++) {
5727 MonoClass *ic = klass->interfaces [i];
5732 if (!MONO_CLASS_IS_INTERFACE (klass) && mono_class_has_parent (klass, klassc))
5737 * MS.NET thinks interfaces are a subclass of Object, so we think it as
5740 if (klassc == mono_defaults.object_class)
5747 mono_class_has_variant_generic_params (MonoClass *klass)
5750 MonoGenericContainer *container;
5752 if (!klass->generic_class)
5755 container = klass->generic_class->container_class->generic_container;
5757 for (i = 0; i < container->type_argc; ++i)
5758 if (container->type_params [i].flags & (MONO_GEN_PARAM_VARIANT|MONO_GEN_PARAM_COVARIANT))
5765 * mono_class_is_assignable_from:
5766 * @klass: the class to be assigned to
5767 * @oklass: the source class
5769 * Return: true if an instance of object oklass can be assigned to an
5770 * instance of object @klass
5773 mono_class_is_assignable_from (MonoClass *klass, MonoClass *oklass)
5776 mono_class_init (klass);
5778 if (!oklass->inited)
5779 mono_class_init (oklass);
5781 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
5782 return klass == oklass;
5784 if (MONO_CLASS_IS_INTERFACE (klass)) {
5785 if ((oklass->byval_arg.type == MONO_TYPE_VAR) || (oklass->byval_arg.type == MONO_TYPE_MVAR))
5788 /* interface_offsets might not be set for dynamic classes */
5789 if (oklass->reflection_info && !oklass->interface_bitmap)
5791 * oklass might be a generic type parameter but they have
5792 * interface_offsets set.
5794 return mono_reflection_call_is_assignable_to (oklass, klass);
5795 if (!oklass->interface_bitmap)
5796 /* Happens with generic instances of not-yet created dynamic types */
5798 if (MONO_CLASS_IMPLEMENTS_INTERFACE (oklass, klass->interface_id))
5801 if (mono_class_has_variant_generic_params (klass)) {
5802 if (oklass->generic_class) {
5804 gboolean match = FALSE;
5805 MonoClass *container_class1 = klass->generic_class->container_class;
5806 MonoClass *container_class2 = oklass->generic_class->container_class;
5809 * Check whenever the generic definition of oklass implements the
5810 * generic definition of klass. The IMPLEMENTS_INTERFACE stuff is not usable
5811 * here since the relevant tables are not set up.
5813 for (i = 0; i < container_class2->interface_offsets_count; ++i)
5814 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)))
5818 MonoGenericContainer *container;
5820 container = klass->generic_class->container_class->generic_container;
5823 for (i = 0; i < container->type_argc; ++i) {
5824 MonoClass *param1_class = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [i]);
5825 MonoClass *param2_class = mono_class_from_mono_type (oklass->generic_class->context.class_inst->type_argv [i]);
5827 if (param1_class->valuetype != param2_class->valuetype) {
5832 * The _VARIANT and _COVARIANT constants should read _COVARIANT and
5833 * _CONTRAVARIANT, but they are in a public header so we can't fix it.
5835 if (param1_class != param2_class) {
5836 if ((container->type_params [i].flags & MONO_GEN_PARAM_VARIANT) && mono_class_is_assignable_from (param1_class, param2_class))
5838 else if (((container->type_params [i].flags & MONO_GEN_PARAM_COVARIANT) && mono_class_is_assignable_from (param2_class, param1_class)))
5852 } else if (klass->rank) {
5853 MonoClass *eclass, *eoclass;
5855 if (oklass->rank != klass->rank)
5858 /* vectors vs. one dimensional arrays */
5859 if (oklass->byval_arg.type != klass->byval_arg.type)
5862 eclass = klass->cast_class;
5863 eoclass = oklass->cast_class;
5866 * a is b does not imply a[] is b[] when a is a valuetype, and
5867 * b is a reference type.
5870 if (eoclass->valuetype) {
5871 if ((eclass == mono_defaults.enum_class) ||
5872 (eclass == mono_defaults.enum_class->parent) ||
5873 (eclass == mono_defaults.object_class))
5877 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
5878 } else if (mono_class_is_nullable (klass)) {
5879 if (mono_class_is_nullable (oklass))
5880 return mono_class_is_assignable_from (klass->cast_class, oklass->cast_class);
5882 return mono_class_is_assignable_from (klass->cast_class, oklass);
5883 } else if (klass == mono_defaults.object_class)
5886 return mono_class_has_parent (oklass, klass);
5890 * mono_class_get_cctor:
5891 * @klass: A MonoClass pointer
5893 * Returns: the static constructor of @klass if it exists, NULL otherwise.
5896 mono_class_get_cctor (MonoClass *klass)
5898 MonoCachedClassInfo cached_info;
5900 if (!klass->has_cctor)
5903 if (mono_class_get_cached_class_info (klass, &cached_info))
5904 return mono_get_method (klass->image, cached_info.cctor_token, klass);
5906 return mono_class_get_method_from_name_flags (klass, ".cctor", -1, METHOD_ATTRIBUTE_SPECIAL_NAME);
5910 * mono_class_get_finalizer:
5911 * @klass: The MonoClass pointer
5913 * Returns: the finalizer method of @klass if it exists, NULL otherwise.
5916 mono_class_get_finalizer (MonoClass *klass)
5918 MonoCachedClassInfo cached_info;
5921 mono_class_init (klass);
5922 if (!klass->has_finalize)
5925 if (mono_class_get_cached_class_info (klass, &cached_info))
5926 return mono_get_method (cached_info.finalize_image, cached_info.finalize_token, NULL);
5928 mono_class_setup_vtable (klass);
5929 return klass->vtable [finalize_slot];
5934 * mono_class_needs_cctor_run:
5935 * @klass: the MonoClass pointer
5936 * @caller: a MonoMethod describing the caller
5938 * Determines whenever the class has a static constructor and whenever it
5939 * needs to be called when executing CALLER.
5942 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller)
5946 method = mono_class_get_cctor (klass);
5948 return (method == caller) ? FALSE : TRUE;
5954 * mono_class_array_element_size:
5957 * Returns: the number of bytes an element of type @klass
5958 * uses when stored into an array.
5961 mono_class_array_element_size (MonoClass *klass)
5963 MonoType *type = &klass->byval_arg;
5966 switch (type->type) {
5969 case MONO_TYPE_BOOLEAN:
5973 case MONO_TYPE_CHAR:
5982 case MONO_TYPE_CLASS:
5983 case MONO_TYPE_STRING:
5984 case MONO_TYPE_OBJECT:
5985 case MONO_TYPE_SZARRAY:
5986 case MONO_TYPE_ARRAY:
5988 case MONO_TYPE_MVAR:
5989 return sizeof (gpointer);
5994 case MONO_TYPE_VALUETYPE:
5995 if (type->data.klass->enumtype) {
5996 type = type->data.klass->enum_basetype;
5997 klass = klass->element_class;
6000 return mono_class_instance_size (klass) - sizeof (MonoObject);
6001 case MONO_TYPE_GENERICINST:
6002 type = &type->data.generic_class->container_class->byval_arg;
6005 g_error ("unknown type 0x%02x in mono_class_array_element_size", type->type);
6011 * mono_array_element_size:
6012 * @ac: pointer to a #MonoArrayClass
6014 * Returns: the size of single array element.
6017 mono_array_element_size (MonoClass *ac)
6019 g_assert (ac->rank);
6020 return ac->sizes.element_size;
6024 mono_ldtoken (MonoImage *image, guint32 token, MonoClass **handle_class,
6025 MonoGenericContext *context)
6027 if (image->dynamic) {
6028 MonoClass *tmp_handle_class;
6029 gpointer obj = mono_lookup_dynamic_token_class (image, token, TRUE, &tmp_handle_class, context);
6031 g_assert (tmp_handle_class);
6033 *handle_class = tmp_handle_class;
6035 if (tmp_handle_class == mono_defaults.typehandle_class)
6036 return &((MonoClass*)obj)->byval_arg;
6041 switch (token & 0xff000000) {
6042 case MONO_TOKEN_TYPE_DEF:
6043 case MONO_TOKEN_TYPE_REF:
6044 case MONO_TOKEN_TYPE_SPEC: {
6047 *handle_class = mono_defaults.typehandle_class;
6048 type = mono_type_get_full (image, token, context);
6051 mono_class_init (mono_class_from_mono_type (type));
6052 /* We return a MonoType* as handle */
6055 case MONO_TOKEN_FIELD_DEF: {
6057 guint32 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
6059 *handle_class = mono_defaults.fieldhandle_class;
6060 class = mono_class_get_full (image, MONO_TOKEN_TYPE_DEF | type, context);
6063 mono_class_init (class);
6064 return mono_class_get_field (class, token);
6066 case MONO_TOKEN_METHOD_DEF:
6067 case MONO_TOKEN_METHOD_SPEC: {
6069 meth = mono_get_method_full (image, token, NULL, context);
6071 *handle_class = mono_defaults.methodhandle_class;
6074 case MONO_TOKEN_MEMBER_REF: {
6075 guint32 cols [MONO_MEMBERREF_SIZE];
6077 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], mono_metadata_token_index (token) - 1, cols, MONO_MEMBERREF_SIZE);
6078 sig = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
6079 mono_metadata_decode_blob_size (sig, &sig);
6080 if (*sig == 0x6) { /* it's a field */
6082 MonoClassField *field;
6083 field = mono_field_from_token (image, token, &klass, context);
6085 *handle_class = mono_defaults.fieldhandle_class;
6089 meth = mono_get_method_full (image, token, NULL, context);
6091 *handle_class = mono_defaults.methodhandle_class;
6096 g_warning ("Unknown token 0x%08x in ldtoken", token);
6103 * This function might need to call runtime functions so it can't be part
6104 * of the metadata library.
6106 static MonoLookupDynamicToken lookup_dynamic = NULL;
6109 mono_install_lookup_dynamic_token (MonoLookupDynamicToken func)
6111 lookup_dynamic = func;
6115 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context)
6117 MonoClass *handle_class;
6119 return lookup_dynamic (image, token, TRUE, &handle_class, context);
6123 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context)
6125 return lookup_dynamic (image, token, valid_token, handle_class, context);
6128 static MonoGetCachedClassInfo get_cached_class_info = NULL;
6131 mono_install_get_cached_class_info (MonoGetCachedClassInfo func)
6133 get_cached_class_info = func;
6137 mono_class_get_cached_class_info (MonoClass *klass, MonoCachedClassInfo *res)
6139 if (!get_cached_class_info)
6142 return get_cached_class_info (klass, res);
6146 mono_install_get_class_from_name (MonoGetClassFromName func)
6148 get_class_from_name = func;
6152 mono_class_get_image (MonoClass *klass)
6154 return klass->image;
6158 * mono_class_get_element_class:
6159 * @klass: the MonoClass to act on
6161 * Returns: the element class of an array or an enumeration.
6164 mono_class_get_element_class (MonoClass *klass)
6166 return klass->element_class;
6170 * mono_class_is_valuetype:
6171 * @klass: the MonoClass to act on
6173 * Returns: true if the MonoClass represents a ValueType.
6176 mono_class_is_valuetype (MonoClass *klass)
6178 return klass->valuetype;
6182 * mono_class_is_enum:
6183 * @klass: the MonoClass to act on
6185 * Returns: true if the MonoClass represents an enumeration.
6188 mono_class_is_enum (MonoClass *klass)
6190 return klass->enumtype;
6194 * mono_class_enum_basetype:
6195 * @klass: the MonoClass to act on
6197 * Returns: the underlying type representation for an enumeration.
6200 mono_class_enum_basetype (MonoClass *klass)
6202 return klass->enum_basetype;
6206 * mono_class_get_parent
6207 * @klass: the MonoClass to act on
6209 * Returns: the parent class for this class.
6212 mono_class_get_parent (MonoClass *klass)
6214 return klass->parent;
6218 * mono_class_get_nesting_type;
6219 * @klass: the MonoClass to act on
6221 * Returns: the container type where this type is nested or NULL if this type is not a nested type.
6224 mono_class_get_nesting_type (MonoClass *klass)
6226 return klass->nested_in;
6230 * mono_class_get_rank:
6231 * @klass: the MonoClass to act on
6233 * Returns: the rank for the array (the number of dimensions).
6236 mono_class_get_rank (MonoClass *klass)
6242 * mono_class_get_flags:
6243 * @klass: the MonoClass to act on
6245 * The type flags from the TypeDef table from the metadata.
6246 * see the TYPE_ATTRIBUTE_* definitions on tabledefs.h for the
6249 * Returns: the flags from the TypeDef table.
6252 mono_class_get_flags (MonoClass *klass)
6254 return klass->flags;
6258 * mono_class_get_name
6259 * @klass: the MonoClass to act on
6261 * Returns: the name of the class.
6264 mono_class_get_name (MonoClass *klass)
6270 * mono_class_get_namespace:
6271 * @klass: the MonoClass to act on
6273 * Returns: the namespace of the class.
6276 mono_class_get_namespace (MonoClass *klass)
6278 return klass->name_space;
6282 * mono_class_get_type:
6283 * @klass: the MonoClass to act on
6285 * This method returns the internal Type representation for the class.
6287 * Returns: the MonoType from the class.
6290 mono_class_get_type (MonoClass *klass)
6292 return &klass->byval_arg;
6296 * mono_class_get_type_token
6297 * @klass: the MonoClass to act on
6299 * This method returns type token for the class.
6301 * Returns: the type token for the class.
6304 mono_class_get_type_token (MonoClass *klass)
6306 return klass->type_token;
6310 * mono_class_get_byref_type:
6311 * @klass: the MonoClass to act on
6316 mono_class_get_byref_type (MonoClass *klass)
6318 return &klass->this_arg;
6322 * mono_class_num_fields:
6323 * @klass: the MonoClass to act on
6325 * Returns: the number of static and instance fields in the class.
6328 mono_class_num_fields (MonoClass *klass)
6330 return klass->field.count;
6334 * mono_class_num_methods:
6335 * @klass: the MonoClass to act on
6337 * Returns: the number of methods in the class.
6340 mono_class_num_methods (MonoClass *klass)
6342 return klass->method.count;
6346 * mono_class_num_properties
6347 * @klass: the MonoClass to act on
6349 * Returns: the number of properties in the class.
6352 mono_class_num_properties (MonoClass *klass)
6354 mono_class_setup_properties (klass);
6356 return klass->property.count;
6360 * mono_class_num_events:
6361 * @klass: the MonoClass to act on
6363 * Returns: the number of events in the class.
6366 mono_class_num_events (MonoClass *klass)
6368 mono_class_setup_events (klass);
6370 return klass->event.count;
6374 * mono_class_get_fields:
6375 * @klass: the MonoClass to act on
6377 * This routine is an iterator routine for retrieving the fields in a class.
6379 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6380 * iterate over all of the elements. When no more values are
6381 * available, the return value is NULL.
6383 * Returns: a @MonoClassField* on each iteration, or NULL when no more fields are available.
6386 mono_class_get_fields (MonoClass* klass, gpointer *iter)
6388 MonoClassField* field;
6392 mono_class_setup_fields_locking (klass);
6393 /* start from the first */
6394 if (klass->field.count) {
6395 return *iter = &klass->fields [0];
6403 if (field < &klass->fields [klass->field.count]) {
6404 return *iter = field;
6410 * mono_class_get_methods
6411 * @klass: the MonoClass to act on
6413 * This routine is an iterator routine for retrieving the fields in a class.
6415 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6416 * iterate over all of the elements. When no more values are
6417 * available, the return value is NULL.
6419 * Returns: a MonoMethod on each iteration or NULL when no more methods are available.
6422 mono_class_get_methods (MonoClass* klass, gpointer *iter)
6424 MonoMethod** method;
6428 mono_class_init (klass);
6430 mono_class_setup_methods (klass);
6431 /* start from the first */
6432 if (klass->method.count) {
6433 *iter = &klass->methods [0];
6434 return klass->methods [0];
6442 if (method < &klass->methods [klass->method.count]) {
6450 * mono_class_get_properties:
6451 * @klass: the MonoClass to act on
6453 * This routine is an iterator routine for retrieving the properties in a class.
6455 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6456 * iterate over all of the elements. When no more values are
6457 * available, the return value is NULL.
6459 * Returns: a @MonoProperty* on each invocation, or NULL when no more are available.
6462 mono_class_get_properties (MonoClass* klass, gpointer *iter)
6464 MonoProperty* property;
6468 mono_class_init (klass);
6470 mono_class_setup_properties (klass);
6471 /* start from the first */
6472 if (klass->property.count) {
6473 return *iter = &klass->properties [0];
6481 if (property < &klass->properties [klass->property.count]) {
6482 return *iter = property;
6488 * mono_class_get_events:
6489 * @klass: the MonoClass to act on
6491 * This routine is an iterator routine for retrieving the properties in a class.
6493 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6494 * iterate over all of the elements. When no more values are
6495 * available, the return value is NULL.
6497 * Returns: a @MonoEvent* on each invocation, or NULL when no more are available.
6500 mono_class_get_events (MonoClass* klass, gpointer *iter)
6506 mono_class_init (klass);
6508 mono_class_setup_events (klass);
6509 /* start from the first */
6510 if (klass->event.count) {
6511 return *iter = &klass->events [0];
6519 if (event < &klass->events [klass->event.count]) {
6520 return *iter = event;
6526 * mono_class_get_interfaces
6527 * @klass: the MonoClass to act on
6529 * This routine is an iterator routine for retrieving the interfaces implemented by this class.
6531 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6532 * iterate over all of the elements. When no more values are
6533 * available, the return value is NULL.
6535 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6538 mono_class_get_interfaces (MonoClass* klass, gpointer *iter)
6544 mono_class_init (klass);
6546 /* start from the first */
6547 if (klass->interface_count) {
6548 *iter = &klass->interfaces [0];
6549 return klass->interfaces [0];
6557 if (iface < &klass->interfaces [klass->interface_count]) {
6565 * mono_class_get_nested_types
6566 * @klass: the MonoClass to act on
6568 * This routine is an iterator routine for retrieving the nested types of a class.
6569 * This works only if @klass is non-generic, or a generic type definition.
6571 * You must pass a gpointer that points to zero and is treated as an opaque handle to
6572 * iterate over all of the elements. When no more values are
6573 * available, the return value is NULL.
6575 * Returns: a @Monoclass* on each invocation, or NULL when no more are available.
6578 mono_class_get_nested_types (MonoClass* klass, gpointer *iter)
6586 mono_class_init (klass);
6587 if (!klass->nested_classes_inited) {
6588 if (!klass->type_token)
6589 klass->nested_classes_inited = TRUE;
6590 mono_loader_lock ();
6591 if (!klass->nested_classes_inited) {
6592 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, 1);
6595 guint32 cols [MONO_NESTED_CLASS_SIZE];
6596 mono_metadata_decode_row (&klass->image->tables [MONO_TABLE_NESTEDCLASS], i - 1, cols, MONO_NESTED_CLASS_SIZE);
6597 nclass = mono_class_create_from_typedef (klass->image, MONO_TOKEN_TYPE_DEF | cols [MONO_NESTED_CLASS_NESTED]);
6598 klass->nested_classes = g_list_prepend_mempool (klass->nested_classes, klass->image->mempool, nclass);
6600 i = mono_metadata_nesting_typedef (klass->image, klass->type_token, i + 1);
6603 mono_memory_barrier ();
6604 klass->nested_classes_inited = TRUE;
6605 mono_loader_unlock ();
6609 /* start from the first */
6610 if (klass->nested_classes) {
6611 *iter = klass->nested_classes;
6612 return klass->nested_classes->data;
6614 /* no nested types */
6628 * mono_field_get_name:
6629 * @field: the MonoClassField to act on
6631 * Returns: the name of the field.
6634 mono_field_get_name (MonoClassField *field)
6640 * mono_field_get_type:
6641 * @field: the MonoClassField to act on
6643 * Returns: MonoType of the field.
6646 mono_field_get_type (MonoClassField *field)
6652 * mono_field_get_type:
6653 * @field: the MonoClassField to act on
6655 * Returns: MonoClass where the field was defined.
6658 mono_field_get_parent (MonoClassField *field)
6660 return field->parent;
6664 * mono_field_get_flags;
6665 * @field: the MonoClassField to act on
6667 * The metadata flags for a field are encoded using the
6668 * FIELD_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6670 * Returns: the flags for the field.
6673 mono_field_get_flags (MonoClassField *field)
6675 return field->type->attrs;
6679 * mono_field_get_offset;
6680 * @field: the MonoClassField to act on
6682 * Returns: the field offset.
6685 mono_field_get_offset (MonoClassField *field)
6687 return field->offset;
6691 * mono_field_get_data;
6692 * @field: the MonoClassField to act on
6694 * Returns: pointer to the metadata constant value or to the field
6695 * data if it has an RVA flag.
6698 mono_field_get_data (MonoClassField *field)
6704 * mono_property_get_name:
6705 * @prop: the MonoProperty to act on
6707 * Returns: the name of the property
6710 mono_property_get_name (MonoProperty *prop)
6716 * mono_property_get_set_method
6717 * @prop: the MonoProperty to act on.
6719 * Returns: the setter method of the property (A MonoMethod)
6722 mono_property_get_set_method (MonoProperty *prop)
6728 * mono_property_get_get_method
6729 * @prop: the MonoProperty to act on.
6731 * Returns: the setter method of the property (A MonoMethod)
6734 mono_property_get_get_method (MonoProperty *prop)
6740 * mono_property_get_parent:
6741 * @prop: the MonoProperty to act on.
6743 * Returns: the MonoClass where the property was defined.
6746 mono_property_get_parent (MonoProperty *prop)
6748 return prop->parent;
6752 * mono_property_get_flags:
6753 * @prop: the MonoProperty to act on.
6755 * The metadata flags for a property are encoded using the
6756 * PROPERTY_ATTRIBUTE_* constants. See the tabledefs.h file for details.
6758 * Returns: the flags for the property.
6761 mono_property_get_flags (MonoProperty *prop)
6767 * mono_event_get_name:
6768 * @event: the MonoEvent to act on
6770 * Returns: the name of the event.
6773 mono_event_get_name (MonoEvent *event)
6779 * mono_event_get_add_method:
6780 * @event: The MonoEvent to act on.
6782 * Returns: the @add' method for the event (a MonoMethod).
6785 mono_event_get_add_method (MonoEvent *event)
6791 * mono_event_get_remove_method:
6792 * @event: The MonoEvent to act on.
6794 * Returns: the @remove method for the event (a MonoMethod).
6797 mono_event_get_remove_method (MonoEvent *event)
6799 return event->remove;
6803 * mono_event_get_raise_method:
6804 * @event: The MonoEvent to act on.
6806 * Returns: the @raise method for the event (a MonoMethod).
6809 mono_event_get_raise_method (MonoEvent *event)
6811 return event->raise;
6815 * mono_event_get_parent:
6816 * @event: the MonoEvent to act on.
6818 * Returns: the MonoClass where the event is defined.
6821 mono_event_get_parent (MonoEvent *event)
6823 return event->parent;
6827 * mono_event_get_flags
6828 * @event: the MonoEvent to act on.
6830 * The metadata flags for an event are encoded using the
6831 * EVENT_* constants. See the tabledefs.h file for details.
6833 * Returns: the flags for the event.
6836 mono_event_get_flags (MonoEvent *event)
6838 return event->attrs;
6842 * mono_class_get_method_from_name:
6843 * @klass: where to look for the method
6844 * @name_space: name of the method
6845 * @param_count: number of parameters. -1 for any number.
6847 * Obtains a MonoMethod with a given name and number of parameters.
6848 * It only works if there are no multiple signatures for any given method name.
6851 mono_class_get_method_from_name (MonoClass *klass, const char *name, int param_count)
6853 return mono_class_get_method_from_name_flags (klass, name, param_count, 0);
6857 find_method_in_metadata (MonoClass *klass, const char *name, int param_count, int flags)
6859 MonoMethod *res = NULL;
6862 /* Search directly in the metadata to avoid calling setup_methods () */
6863 for (i = 0; i < klass->method.count; ++i) {
6864 guint32 cols [MONO_METHOD_SIZE];
6867 /* class->method.first points into the methodptr table */
6868 mono_metadata_decode_table_row (klass->image, MONO_TABLE_METHOD, klass->method.first + i, cols, MONO_METHOD_SIZE);
6870 if (!strcmp (mono_metadata_string_heap (klass->image, cols [MONO_METHOD_NAME]), name)) {
6871 method = mono_get_method (klass->image, MONO_TOKEN_METHOD_DEF | (klass->method.first + i + 1), klass);
6872 if ((param_count == -1) || mono_method_signature (method)->param_count == param_count) {
6883 * mono_class_get_method_from_name_flags:
6884 * @klass: where to look for the method
6885 * @name_space: name of the method
6886 * @param_count: number of parameters. -1 for any number.
6887 * @flags: flags which must be set in the method
6889 * Obtains a MonoMethod with a given name and number of parameters.
6890 * It only works if there are no multiple signatures for any given method name.
6893 mono_class_get_method_from_name_flags (MonoClass *klass, const char *name, int param_count, int flags)
6895 MonoMethod *res = NULL;
6898 mono_class_init (klass);
6900 if (klass->methods || klass->generic_class) {
6901 mono_class_setup_methods (klass);
6902 for (i = 0; i < klass->method.count; ++i) {
6903 MonoMethod *method = klass->methods [i];
6905 if (method->name[0] == name [0] &&
6906 !strcmp (name, method->name) &&
6907 (param_count == -1 || mono_method_signature (method)->param_count == param_count) &&
6908 ((method->flags & flags) == flags)) {
6915 res = find_method_in_metadata (klass, name, param_count, flags);
6922 * mono_class_set_failure:
6923 * @klass: class in which the failure was detected
6924 * @ex_type: the kind of exception/error to be thrown (later)
6925 * @ex_data: exception data (specific to each type of exception/error)
6927 * Keep a detected failure informations in the class for later processing.
6928 * Note that only the first failure is kept.
6930 * LOCKING: Acquires the loader lock.
6933 mono_class_set_failure (MonoClass *klass, guint32 ex_type, void *ex_data)
6935 if (klass->exception_type)
6938 mono_loader_lock ();
6939 klass->exception_type = ex_type;
6941 mono_property_hash_insert (klass->image->property_hash, klass, MONO_CLASS_PROP_EXCEPTION_DATA, ex_data);
6942 mono_loader_unlock ();
6948 * mono_class_get_exception_data:
6950 * Return the exception_data property of KLASS.
6952 * LOCKING: Acquires the loader lock.
6955 mono_class_get_exception_data (MonoClass *klass)
6959 mono_loader_lock ();
6960 res = mono_property_hash_lookup (klass->image->property_hash, klass, MONO_CLASS_PROP_EXCEPTION_DATA);
6961 mono_loader_unlock ();
6966 * mono_classes_init:
6968 * Initialize the resources used by this module.
6971 mono_classes_init (void)
6976 * mono_classes_cleanup:
6978 * Free the resources used by this module.
6981 mono_classes_cleanup (void)
6983 if (global_interface_bitset)
6984 mono_bitset_free (global_interface_bitset);
6988 * mono_class_get_exception_for_failure:
6989 * @klass: class in which the failure was detected
6991 * Return a constructed MonoException than the caller can then throw
6992 * using mono_raise_exception - or NULL if no failure is present (or
6993 * doesn't result in an exception).
6996 mono_class_get_exception_for_failure (MonoClass *klass)
6998 gpointer exception_data = mono_class_get_exception_data (klass);
7000 switch (klass->exception_type) {
7001 case MONO_EXCEPTION_SECURITY_INHERITANCEDEMAND: {
7002 MonoDomain *domain = mono_domain_get ();
7003 MonoSecurityManager* secman = mono_security_manager_get_methods ();
7004 MonoMethod *method = exception_data;
7005 guint32 error = (method) ? MONO_METADATA_INHERITANCEDEMAND_METHOD : MONO_METADATA_INHERITANCEDEMAND_CLASS;
7006 MonoObject *exc = NULL;
7010 args [1] = mono_assembly_get_object (domain, mono_image_get_assembly (klass->image));
7011 args [2] = mono_type_get_object (domain, &klass->byval_arg);
7012 args [3] = (method) ? mono_method_get_object (domain, method, NULL) : NULL;
7014 mono_runtime_invoke (secman->inheritsecurityexception, NULL, args, &exc);
7015 return (MonoException*) exc;
7017 case MONO_EXCEPTION_TYPE_LOAD: {
7020 char *str = mono_type_get_full_name (klass);
7021 char *astr = klass->image->assembly? mono_stringify_assembly_name (&klass->image->assembly->aname): NULL;
7022 name = mono_string_new (mono_domain_get (), str);
7024 ex = mono_get_exception_type_load (name, astr);
7028 case MONO_EXCEPTION_MISSING_METHOD: {
7029 char *class_name = exception_data;
7030 char *assembly_name = class_name + strlen (class_name) + 1;
7032 return mono_get_exception_missing_method (class_name, assembly_name);
7034 case MONO_EXCEPTION_MISSING_FIELD: {
7035 char *class_name = exception_data;
7036 char *member_name = class_name + strlen (class_name) + 1;
7038 return mono_get_exception_missing_field (class_name, member_name);
7040 case MONO_EXCEPTION_FILE_NOT_FOUND: {
7041 char *msg_format = exception_data;
7042 char *assembly_name = msg_format + strlen (msg_format) + 1;
7043 char *msg = g_strdup_printf (msg_format, assembly_name);
7046 ex = mono_get_exception_file_not_found2 (msg, mono_string_new (mono_domain_get (), assembly_name));
7052 case MONO_EXCEPTION_BAD_IMAGE: {
7053 return mono_get_exception_bad_image_format (exception_data);
7056 MonoLoaderError *error;
7059 error = mono_loader_get_last_error ();
7061 ex = mono_loader_error_prepare_exception (error);
7065 /* TODO - handle other class related failures */
7072 is_nesting_type (MonoClass *outer_klass, MonoClass *inner_klass)
7074 outer_klass = mono_class_get_generic_type_definition (outer_klass);
7075 inner_klass = mono_class_get_generic_type_definition (inner_klass);
7077 if (outer_klass == inner_klass)
7079 inner_klass = inner_klass->nested_in;
7080 } while (inner_klass);
7085 mono_class_get_generic_type_definition (MonoClass *klass)
7087 return klass->generic_class ? klass->generic_class->container_class : klass;
7091 * Check if @klass is a subtype of @parent ignoring generic instantiations.
7093 * Generic instantiations are ignored for all super types of @klass.
7095 * Visibility checks ignoring generic instantiations.
7098 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent)
7101 klass = mono_class_get_generic_type_definition (klass);
7102 parent = mono_class_get_generic_type_definition (parent);
7104 for (i = 0; i < klass->idepth; ++i) {
7105 if (parent == mono_class_get_generic_type_definition (klass->supertypes [i]))
7111 * Subtype can only access parent members with family protection if the site object
7112 * is subclass of Subtype. For example:
7113 * class A { protected int x; }
7115 * void valid_access () {
7119 * void invalid_access () {
7126 is_valid_family_access (MonoClass *access_klass, MonoClass *member_klass, MonoClass *context_klass)
7128 if (!mono_class_has_parent_and_ignore_generics (access_klass, member_klass))
7131 if (context_klass == NULL)
7133 /*if access_klass is not member_klass context_klass must be type compat*/
7134 if (access_klass != member_klass && !mono_class_has_parent_and_ignore_generics (context_klass, access_klass))
7140 can_access_internals (MonoAssembly *accessing, MonoAssembly* accessed)
7143 if (accessing == accessed)
7145 if (!accessed || !accessing)
7147 for (tmp = accessed->friend_assembly_names; tmp; tmp = tmp->next) {
7148 MonoAssemblyName *friend = tmp->data;
7149 /* Be conservative with checks */
7152 if (strcmp (accessing->aname.name, friend->name))
7154 if (friend->public_key_token [0]) {
7155 if (!accessing->aname.public_key_token [0])
7157 if (!mono_public_tokens_are_equal (friend->public_key_token, accessing->aname.public_key_token))
7166 * If klass is a generic type or if it is derived from a generic type, return the
7167 * MonoClass of the generic definition
7168 * Returns NULL if not found
7171 get_generic_definition_class (MonoClass *klass)
7174 if (klass->generic_class && klass->generic_class->container_class)
7175 return klass->generic_class->container_class;
7176 klass = klass->parent;
7182 can_access_instantiation (MonoClass *access_klass, MonoGenericInst *ginst)
7185 for (i = 0; i < ginst->type_argc; ++i) {
7186 MonoType *type = ginst->type_argv[i];
7187 if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR)
7189 if (!can_access_type (access_klass, mono_class_from_mono_type (type)))
7196 can_access_type (MonoClass *access_klass, MonoClass *member_klass)
7198 int access_level = member_klass->flags & TYPE_ATTRIBUTE_VISIBILITY_MASK;
7200 if (member_klass->generic_class && !can_access_instantiation (access_klass, member_klass->generic_class->context.class_inst))
7203 if (is_nesting_type (access_klass, member_klass) || (access_klass->nested_in && is_nesting_type (access_klass->nested_in, member_klass)))
7206 if (member_klass->nested_in && !can_access_type (access_klass, member_klass->nested_in))
7209 switch (access_level) {
7210 case TYPE_ATTRIBUTE_NOT_PUBLIC:
7211 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7213 case TYPE_ATTRIBUTE_PUBLIC:
7216 case TYPE_ATTRIBUTE_NESTED_PUBLIC:
7219 case TYPE_ATTRIBUTE_NESTED_PRIVATE:
7220 return is_nesting_type (member_klass, access_klass);
7222 case TYPE_ATTRIBUTE_NESTED_FAMILY:
7223 return mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7225 case TYPE_ATTRIBUTE_NESTED_ASSEMBLY:
7226 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7228 case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM:
7229 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) &&
7230 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7232 case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM:
7233 return can_access_internals (access_klass->image->assembly, member_klass->nested_in->image->assembly) ||
7234 mono_class_has_parent_and_ignore_generics (access_klass, member_klass->nested_in);
7239 /* FIXME: check visibility of type, too */
7241 can_access_member (MonoClass *access_klass, MonoClass *member_klass, MonoClass* context_klass, int access_level)
7243 MonoClass *member_generic_def;
7244 if (((access_klass->generic_class && access_klass->generic_class->container_class) ||
7245 access_klass->generic_container) &&
7246 (member_generic_def = get_generic_definition_class (member_klass))) {
7247 MonoClass *access_container;
7249 if (access_klass->generic_container)
7250 access_container = access_klass;
7252 access_container = access_klass->generic_class->container_class;
7254 if (can_access_member (access_container, member_generic_def, context_klass, access_level))
7258 /* Partition I 8.5.3.2 */
7259 /* the access level values are the same for fields and methods */
7260 switch (access_level) {
7261 case FIELD_ATTRIBUTE_COMPILER_CONTROLLED:
7262 /* same compilation unit */
7263 return access_klass->image == member_klass->image;
7264 case FIELD_ATTRIBUTE_PRIVATE:
7265 return access_klass == member_klass;
7266 case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
7267 if (is_valid_family_access (access_klass, member_klass, context_klass) &&
7268 can_access_internals (access_klass->image->assembly, member_klass->image->assembly))
7271 case FIELD_ATTRIBUTE_ASSEMBLY:
7272 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7273 case FIELD_ATTRIBUTE_FAMILY:
7274 if (is_valid_family_access (access_klass, member_klass, context_klass))
7277 case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
7278 if (is_valid_family_access (access_klass, member_klass, context_klass))
7280 return can_access_internals (access_klass->image->assembly, member_klass->image->assembly);
7281 case FIELD_ATTRIBUTE_PUBLIC:
7288 mono_method_can_access_field (MonoMethod *method, MonoClassField *field)
7290 /* FIXME: check all overlapping fields */
7291 int can = can_access_member (method->klass, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7293 MonoClass *nested = method->klass->nested_in;
7295 can = can_access_member (nested, field->parent, NULL, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7298 nested = nested->nested_in;
7305 mono_method_can_access_method (MonoMethod *method, MonoMethod *called)
7307 int can = can_access_member (method->klass, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7309 MonoClass *nested = method->klass->nested_in;
7311 can = can_access_member (nested, called->klass, NULL, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7314 nested = nested->nested_in;
7319 * with generics calls to explicit interface implementations can be expressed
7320 * directly: the method is private, but we must allow it. This may be opening
7321 * a hole or the generics code should handle this differently.
7322 * Maybe just ensure the interface type is public.
7324 if ((called->flags & METHOD_ATTRIBUTE_VIRTUAL) && (called->flags & METHOD_ATTRIBUTE_FINAL))
7330 * mono_method_can_access_method_with_context:
7331 * @method: The caller method
7332 * @called: The called method
7333 * @context_klass:TThe static type on stack of the owner @called object used
7335 * This function must be used with instance calls, as they have more strict family accessibility.
7336 * It can be used with static mehthod, but context_klass should be NULL.
7338 * Returns: TRUE if caller have proper visibility and acessibility to @called
7341 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass)
7343 MonoClass *access_class = method->klass;
7344 MonoClass *member_class = called->klass;
7345 int can = can_access_member (access_class, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7347 MonoClass *nested = access_class->nested_in;
7349 can = can_access_member (nested, member_class, context_klass, called->flags & METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK);
7352 nested = nested->nested_in;
7359 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7362 if (called->is_inflated) {
7363 MonoMethodInflated * infl = (MonoMethodInflated*)called;
7364 if (infl->context.method_inst && !can_access_instantiation (access_class, infl->context.method_inst))
7373 * mono_method_can_access_method_with_context:
7374 * @method: The caller method
7375 * @field: The accessed field
7376 * @context_klass: The static type on stack of the owner @field object used
7378 * This function must be used with instance fields, as they have more strict family accessibility.
7379 * It can be used with static fields, but context_klass should be NULL.
7381 * Returns: TRUE if caller have proper visibility and acessibility to @field
7384 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass)
7386 MonoClass *access_class = method->klass;
7387 MonoClass *member_class = field->parent;
7388 /* FIXME: check all overlapping fields */
7389 int can = can_access_member (access_class, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7391 MonoClass *nested = access_class->nested_in;
7393 can = can_access_member (nested, member_class, context_klass, field->type->attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK);
7396 nested = nested->nested_in;
7403 if (!can_access_type (access_class, member_class) && (!access_class->nested_in || !can_access_type (access_class->nested_in, member_class)))
7409 * mono_type_is_valid_enum_basetype:
7410 * @type: The MonoType to check
7412 * Returns: TRUE if the type can be used as the basetype of an enum
7414 gboolean mono_type_is_valid_enum_basetype (MonoType * type) {
7415 switch (type->type) {
7418 case MONO_TYPE_BOOLEAN:
7421 case MONO_TYPE_CHAR:
7434 * mono_class_is_valid_enum:
7435 * @klass: An enum class to be validated
7437 * This method verify the required properties an enum should have.
7439 * Returns: TRUE if the informed enum class is valid
7441 * FIXME: TypeBuilder enums are allowed to implement interfaces, but since they cannot have methods, only empty interfaces are possible
7442 * FIXME: enum types are not allowed to have a cctor, but mono_reflection_create_runtime_class sets has_cctor to 1 for all types
7443 * FIXME: TypeBuilder enums can have any kind of static fields, but the spec is very explicit about that (P II 14.3)
7445 gboolean mono_class_is_valid_enum (MonoClass *klass) {
7446 MonoClassField * field;
7447 gpointer iter = NULL;
7448 gboolean found_base_field = FALSE;
7450 g_assert (klass->enumtype);
7451 /* we cannot test against mono_defaults.enum_class, or mcs won't be able to compile the System namespace*/
7452 if (!klass->parent || strcmp (klass->parent->name, "Enum") || strcmp (klass->parent->name_space, "System") ) {
7456 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT)
7459 while ((field = mono_class_get_fields (klass, &iter))) {
7460 if (!(field->type->attrs & FIELD_ATTRIBUTE_STATIC)) {
7461 if (found_base_field)
7463 found_base_field = TRUE;
7464 if (!mono_type_is_valid_enum_basetype (field->type))
7469 if (!found_base_field)
7472 if (klass->method.count > 0)
7479 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass)
7481 return gklass->context.class_inst == gklass->container_class->generic_container->context.class_inst;
7485 * mono_class_generic_sharing_enabled:
7488 * Returns whether generic sharing is enabled for class.
7490 * This is a stop-gap measure to slowly introduce generic sharing
7491 * until we have all the issues sorted out, at which time this
7492 * function will disappear and generic sharing will always be enabled.
7495 mono_class_generic_sharing_enabled (MonoClass *class)
7497 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__)
7498 static gboolean supported = TRUE;
7500 /* Not supported by the JIT backends */
7501 static gboolean supported = FALSE;
7503 static int generic_sharing = MONO_GENERIC_SHARING_NONE;
7504 static gboolean inited = FALSE;
7510 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
7512 generic_sharing = MONO_GENERIC_SHARING_NONE;
7514 if ((option = g_getenv ("MONO_GENERIC_SHARING"))) {
7515 if (strcmp (option, "corlib") == 0)
7516 generic_sharing = MONO_GENERIC_SHARING_CORLIB;
7517 else if (strcmp (option, "collections") == 0)
7518 generic_sharing = MONO_GENERIC_SHARING_COLLECTIONS;
7519 else if (strcmp (option, "all") == 0)
7520 generic_sharing = MONO_GENERIC_SHARING_ALL;
7521 else if (strcmp (option, "none") == 0)
7522 generic_sharing = MONO_GENERIC_SHARING_NONE;
7524 g_warning ("Unknown generic sharing option `%s'.", option);
7528 generic_sharing = MONO_GENERIC_SHARING_NONE;
7533 switch (generic_sharing) {
7534 case MONO_GENERIC_SHARING_NONE:
7536 case MONO_GENERIC_SHARING_ALL:
7538 case MONO_GENERIC_SHARING_CORLIB :
7539 return class->image == mono_defaults.corlib;
7540 case MONO_GENERIC_SHARING_COLLECTIONS:
7541 if (class->image != mono_defaults.corlib)
7543 while (class->nested_in)
7544 class = class->nested_in;
7545 return g_str_has_prefix (class->name_space, "System.Collections.Generic");
7547 g_assert_not_reached ();