2 * Copyright 2012 Xamarin Inc
3 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
5 #ifndef __MONO_METADATA_CLASS_INTERNALS_H__
6 #define __MONO_METADATA_CLASS_INTERNALS_H__
8 #include <mono/metadata/class.h>
9 #include <mono/metadata/object.h>
10 #include <mono/metadata/mempool.h>
11 #include <mono/metadata/metadata-internals.h>
12 #include <mono/metadata/property-bag.h>
13 #include <mono/io-layer/io-layer.h>
14 #include "mono/utils/mono-compiler.h"
15 #include "mono/utils/mono-error.h"
16 #include "mono/sgen/gc-internal-agnostic.h"
18 #define MONO_CLASS_IS_ARRAY(c) ((c)->rank)
20 #define MONO_CLASS_HAS_STATIC_METADATA(klass) ((klass)->type_token && !(klass)->image->dynamic && !mono_class_is_ginst (klass))
22 #define MONO_DEFAULT_SUPERTABLE_SIZE 6
24 extern gboolean mono_print_vtable;
25 extern gboolean mono_align_small_structs;
27 typedef struct _MonoMethodWrapper MonoMethodWrapper;
28 typedef struct _MonoMethodInflated MonoMethodInflated;
29 typedef struct _MonoMethodPInvoke MonoMethodPInvoke;
31 /* Properties that applies to a group of structs should better use a higher number
32 * to avoid colision with type specific properties.
34 * This prop applies to class, method, property, event, assembly and image.
36 #define MONO_PROP_DYNAMIC_CATTR 0x1000
38 #ifdef ENABLE_ICALL_EXPORT
39 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
40 #define ICALL_EXPORT MONO_API
42 #define ICALL_EXPORT static
46 #define WRAPPER(e,n) MONO_WRAPPER_ ## e,
47 #include "wrapper-types.h"
53 MONO_TYPE_NAME_FORMAT_IL,
54 MONO_TYPE_NAME_FORMAT_REFLECTION,
55 MONO_TYPE_NAME_FORMAT_FULL_NAME,
56 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
60 MONO_REMOTING_TARGET_UNKNOWN,
61 MONO_REMOTING_TARGET_APPDOMAIN,
62 MONO_REMOTING_TARGET_COMINTEROP
65 #define MONO_METHOD_PROP_GENERIC_CONTAINER 0
68 guint16 flags; /* method flags */
69 guint16 iflags; /* method implementation flags */
71 MonoClass *klass; /* To what class does this method belong */
72 MonoMethodSignature *signature;
73 /* name is useful mostly for debugging */
75 /* this is used by the inlining algorithm */
76 unsigned int inline_info:1;
77 unsigned int inline_failure:1;
78 unsigned int wrapper_type:5;
79 unsigned int string_ctor:1;
80 unsigned int save_lmf:1;
81 unsigned int dynamic:1; /* created & destroyed during runtime */
82 unsigned int sre_method:1; /* created at runtime using Reflection.Emit */
83 unsigned int is_generic:1; /* whenever this is a generic method definition */
84 unsigned int is_inflated:1; /* whether we're a MonoMethodInflated */
85 unsigned int skip_visibility:1; /* whenever to skip JIT visibility checks */
86 unsigned int verification_success:1; /* whether this method has been verified successfully.*/
90 * If is_generic is TRUE, the generic_container is stored in image->property_hash,
91 * using the key MONO_METHOD_PROP_GENERIC_CONTAINER.
95 struct _MonoMethodWrapper {
97 MonoMethodHeader *header;
101 struct _MonoMethodPInvoke {
104 /* add marshal info */
105 guint16 piflags; /* pinvoke flags */
106 guint16 implmap_idx; /* index into IMPLMAP */
110 * Stores the default value / RVA of fields.
111 * This information is rarely needed, so it is stored separately from
114 typedef struct MonoFieldDefaultValue {
116 * If the field is constant, pointer to the metadata constant
118 * If the field has an RVA flag, pointer to the data.
123 /* If the field is constant, the type of the constant. */
124 MonoTypeEnum def_type;
125 } MonoFieldDefaultValue;
128 * MonoClassField is just a runtime representation of the metadata for
129 * field, it doesn't contain the data directly. Static fields are
130 * stored in MonoVTable->data. Instance fields are allocated in the
131 * objects after the object header.
133 struct _MonoClassField {
134 /* Type of the field */
139 /* Type where the field was defined */
143 * Offset where this field is stored; if it is an instance
144 * field, it's the offset from the start of the object, if
145 * it's static, it's from the start of the memory chunk
146 * allocated for statics for the class.
147 * For special static fields, this is set to -1 during vtable construction.
152 /* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
153 #define mono_field_is_deleted(field) (((field)->type->attrs & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
154 && (strcmp (mono_field_get_name (field), "_Deleted") == 0))
156 /* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
157 /* Try to avoid loading the field's type */
158 #define mono_field_is_deleted_with_flags(field, flags) (((flags) & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
159 && (strcmp (mono_field_get_name (field), "_Deleted") == 0))
162 MonoClassField *field;
164 MonoMarshalSpec *mspec;
168 MonoPropertyBagItem head;
170 guint32 native_size, min_align;
172 MonoMethod *ptr_to_str;
173 MonoMethod *str_to_ptr;
174 MonoMarshalField fields [MONO_ZERO_LEN_ARRAY];
177 #define MONO_SIZEOF_MARSHAL_TYPE (offsetof (MonoMarshalType, fields))
179 struct _MonoProperty {
193 #ifndef MONO_SMALL_CONFIG
199 /* type of exception being "on hold" for later processing (see exception_type) */
201 MONO_EXCEPTION_NONE = 0,
202 MONO_EXCEPTION_INVALID_PROGRAM = 3,
203 MONO_EXCEPTION_UNVERIFIABLE_IL = 4,
204 MONO_EXCEPTION_MISSING_METHOD = 5,
205 MONO_EXCEPTION_MISSING_FIELD = 6,
206 MONO_EXCEPTION_TYPE_LOAD = 7,
207 MONO_EXCEPTION_FILE_NOT_FOUND = 8,
208 MONO_EXCEPTION_METHOD_ACCESS = 9,
209 MONO_EXCEPTION_FIELD_ACCESS = 10,
210 MONO_EXCEPTION_GENERIC_SHARING_FAILED = 11,
211 MONO_EXCEPTION_BAD_IMAGE = 12,
212 MONO_EXCEPTION_OBJECT_SUPPLIED = 13, /*The exception object is already created.*/
213 MONO_EXCEPTION_OUT_OF_MEMORY = 14,
214 MONO_EXCEPTION_INLINE_FAILED = 15,
215 MONO_EXCEPTION_MONO_ERROR = 16,
216 /* add other exception type */
219 /* This struct collects the info needed for the runtime use of a class,
220 * like the vtables for a domain, the GC descriptor, etc.
224 /* domain_vtables is indexed by the domain id and the size is max_domain + 1 */
225 MonoVTable *domain_vtables [MONO_ZERO_LEN_ARRAY];
226 } MonoClassRuntimeInfo;
228 #define MONO_SIZEOF_CLASS_RUNTIME_INFO (sizeof (MonoClassRuntimeInfo) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
230 #define MONO_CLASS_PROP_EXCEPTION_DATA 0
233 * This structure contains the rarely used fields of MonoClass
234 * Since using just one field causes the whole structure to be allocated, it should
235 * be used for fields which are only used in like 5% of all classes.
238 MonoPropertyBagItem head;
241 #if MONO_SMALL_CONFIG
242 guint16 first, count;
244 guint32 first, count;
248 /* Initialized by a call to mono_class_setup_properties () */
249 MonoProperty *properties;
251 /* Initialized by a call to mono_class_setup_events () */
254 guint32 declsec_flags; /* declarative security attributes flags */
256 /* Default values/RVA for fields and properties */
257 /* Accessed using mono_class_get_field_default_value () / mono_field_get_data () */
258 MonoFieldDefaultValue *field_def_values;
259 MonoFieldDefaultValue *prop_def_values;
261 GList *nested_classes;
265 MONO_CLASS_DEF = 1, /* non-generic type */
266 MONO_CLASS_GTD, /* generic type definition */
267 MONO_CLASS_GINST, /* generic instantiation */
268 MONO_CLASS_GPARAM, /* generic parameter */
269 MONO_CLASS_ARRAY, /* vector or array, bounded or not */
270 MONO_CLASS_POINTER, /* pointer of function pointer*/
274 /* element class for arrays and enum basetype for enums */
275 MonoClass *element_class;
276 /* used for subtype checks */
277 MonoClass *cast_class;
279 /* for fast subtype checks */
280 MonoClass **supertypes;
283 /* array dimension */
286 int instance_size; /* object instance size */
290 /* A class contains static and non static data. Static data can be
291 * of the same type as the class itselfs, but it does not influence
292 * the instance size of the class. To avoid cyclic calls to
293 * mono_class_init (from mono_class_instance_size ()) we first
294 * initialise all non static fields. After that we set size_inited
295 * to 1, because we know the instance size now. After that we
296 * initialise all static fields.
298 /* size_inited is accessed without locks, so it needs a memory barrier */
299 guint size_inited : 1;
300 guint valuetype : 1; /* derives from System.ValueType */
301 guint enumtype : 1; /* derives from System.Enum */
302 guint blittable : 1; /* class is blittable */
303 guint unicode : 1; /* class uses unicode char when marshalled */
304 guint wastypebuilder : 1; /* class was created at runtime from a TypeBuilder */
309 guint packing_size : 4;
310 guint ghcimpl : 1; /* class has its own GetHashCode impl */
311 guint has_finalize : 1; /* class has its own Finalize impl */
312 #ifndef DISABLE_REMOTING
313 guint marshalbyref : 1; /* class is a MarshalByRefObject */
314 guint contextbound : 1; /* class is a ContextBoundObject */
317 guint delegate : 1; /* class is a Delegate */
318 guint gc_descr_inited : 1; /* gc_descr is initialized */
319 guint has_cctor : 1; /* class has a cctor */
320 guint has_references : 1; /* it has GC-tracked references in the instance */
321 guint has_static_refs : 1; /* it has static fields that are GC-tracked */
322 guint no_special_static_fields : 1; /* has no thread/context static fields */
323 /* directly or indirectly derives from ComImport attributed class.
324 * this means we need to create a proxy for instances of this class
325 * for COM Interop. set this flag on loading so all we need is a quick check
326 * during object creation rather than having to traverse supertypes
328 guint is_com_object : 1;
329 guint nested_classes_inited : 1; /* Whenever nested_class is initialized */
332 guint class_kind : 3; /* One of the values from MonoTypeKind */
333 guint interfaces_inited : 1; /* interfaces is initialized */
334 guint simd_type : 1; /* class is a simd intrinsic type */
335 guint has_finalize_inited : 1; /* has_finalize is initialized */
336 guint fields_inited : 1; /* setup_fields () has finished */
337 guint has_failure : 1; /* See MONO_CLASS_PROP_EXCEPTION_DATA for a MonoErrorBoxed with the details */
340 MonoClass *nested_in;
344 const char *name_space;
347 int vtable_size; /* number of slots */
349 guint16 interface_count;
350 guint32 interface_id; /* unique inderface id (for interfaces) */
351 guint32 max_interface_id;
353 guint16 interface_offsets_count;
354 MonoClass **interfaces_packed;
355 guint16 *interface_offsets_packed;
356 /* enabled only with small config for now: we might want to do it unconditionally */
357 #ifdef MONO_SMALL_CONFIG
358 #define COMPRESSED_INTERFACE_BITMAP 1
360 guint8 *interface_bitmap;
362 MonoClass **interfaces;
365 int class_size; /* size of area for static fields */
366 int element_size; /* for array types */
367 int generic_param_token; /* for generic param types, both var and mvar */
371 * Field information: Type and location from object base
373 MonoClassField *fields;
375 MonoMethod **methods;
377 /* used as the type of the this argument and when passing the arg by value */
381 MonoGCDescriptor gc_descr;
383 MonoClassRuntimeInfo *runtime_info;
385 /* Generic vtable. Initialized by a call to mono_class_setup_vtable () */
388 /* Infrequently used items. See class-accessors.c: InfrequentDataKind for what goes into here. */
389 MonoPropertyBag infrequent_data;
396 * From the TypeDef table
398 guint32 first_method_idx;
399 guint32 first_field_idx;
400 guint32 method_count, field_count;
401 /* next element in the class_cache hash list (in MonoImage) */
402 MonoClass *next_class_cache;
407 MonoGenericContainer *generic_container;
412 MonoGenericClass *generic_class;
413 } MonoClassGenericInst;
417 } MonoClassGenericParam;
421 guint32 method_count;
428 #ifdef COMPRESSED_INTERFACE_BITMAP
429 int mono_compress_bitmap (uint8_t *dest, const uint8_t *bitmap, int size);
430 int mono_class_interface_match (const uint8_t *bitmap, int id);
432 #define mono_class_interface_match(bmap,uiid) ((bmap) [(uiid) >> 3] & (1 << ((uiid)&7)))
435 #define MONO_CLASS_IMPLEMENTS_INTERFACE(k,uiid) (((uiid) <= (k)->max_interface_id) && mono_class_interface_match ((k)->interface_bitmap, (uiid)))
437 #define MONO_VTABLE_AVAILABLE_GC_BITS 4
439 #ifdef DISABLE_REMOTING
440 #define mono_class_is_marshalbyref(klass) (FALSE)
441 #define mono_class_is_contextbound(klass) (FALSE)
442 #define mono_vtable_is_remote(vtable) (FALSE)
443 #define mono_vtable_set_is_remote(vtable,enable) do {} while (0)
445 #define mono_class_is_marshalbyref(klass) ((klass)->marshalbyref)
446 #define mono_class_is_contextbound(klass) ((klass)->contextbound)
447 #define mono_vtable_is_remote(vtable) ((vtable)->remote)
448 #define mono_vtable_set_is_remote(vtable,enable) do { (vtable)->remote = enable ? 1 : 0; } while (0)
452 #define mono_class_is_com_object(klass) (FALSE)
453 #define mono_class_set_is_com_object(klass) do {} while (0)
455 #define mono_class_is_com_object(klass) ((klass)->is_com_object)
456 #define mono_class_set_is_com_object(klass) do { (klass)->is_com_object = 1; } while (0)
460 MONO_API int mono_class_interface_offset (MonoClass *klass, MonoClass *itf);
461 int mono_class_interface_offset_with_variance (MonoClass *klass, MonoClass *itf, gboolean *non_exact_match);
463 typedef gpointer MonoRuntimeGenericContext;
465 /* the interface_offsets array is stored in memory before this struct */
469 * According to comments in gc_gcj.h, this should be the second word in
472 MonoGCDescriptor gc_descr;
473 MonoDomain *domain; /* each object/vtable belongs to exactly one domain */
474 gpointer type; /* System.Type type for klass */
475 guint8 *interface_bitmap;
476 guint32 max_interface_id;
478 guint remote : 1; /* class is remotely activated */
479 guint initialized : 1; /* cctor has been run */
480 guint init_failed : 1; /* cctor execution failed */
481 guint has_static_fields : 1; /* pointer to the data stored at the end of the vtable array */
482 guint gc_bits : MONO_VTABLE_AVAILABLE_GC_BITS; /* Those bits are reserved for the usaged of the GC */
484 guint32 imt_collisions_bitmap;
485 MonoRuntimeGenericContext *runtime_generic_context;
486 /* do not add any fields after vtable, the structure is dynamically extended */
487 /* vtable contains function pointers to methods or their trampolines, at the
488 end there may be a slot containing the pointer to the static fields */
489 gpointer vtable [MONO_ZERO_LEN_ARRAY];
492 #define MONO_SIZEOF_VTABLE (sizeof (MonoVTable) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
494 #define MONO_VTABLE_IMPLEMENTS_INTERFACE(vt,uiid) (((uiid) <= (vt)->max_interface_id) && mono_class_interface_match ((vt)->interface_bitmap, (uiid)))
497 * Generic instantiation data type encoding.
501 * A particular generic instantiation:
503 * All instantiations are cached and we don't distinguish between class and method
504 * instantiations here.
506 struct _MonoGenericInst {
507 #ifndef MONO_SMALL_CONFIG
508 guint id; /* unique ID for debugging */
510 guint type_argc : 22; /* number of type arguments */
511 guint is_open : 1; /* if this is an open type */
512 MonoType *type_argv [MONO_ZERO_LEN_ARRAY];
515 #define MONO_SIZEOF_GENERIC_INST (sizeof (MonoGenericInst) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
517 * The generic context: an instantiation of a set of class and method generic parameters.
519 * NOTE: Never allocate this directly on the heap. It have to be either allocated on the stack,
520 * or embedded within other objects. Don't store pointers to this, because it may be on the stack.
521 * If you really have to, ensure you store a pointer to the embedding object along with it.
523 struct _MonoGenericContext {
524 /* The instantiation corresponding to the class generic parameters */
525 MonoGenericInst *class_inst;
526 /* The instantiation corresponding to the method generic parameters */
527 MonoGenericInst *method_inst;
531 * Inflated generic method.
533 struct _MonoMethodInflated {
536 MonoMethodPInvoke pinvoke;
538 MonoMethod *declaring; /* the generic method definition. */
539 MonoGenericContext context; /* The current instantiation */
540 MonoImageSet *owner; /* The image set that the inflated method belongs to. */
544 * A particular instantiation of a generic type.
546 struct _MonoGenericClass {
547 MonoClass *container_class; /* the generic type definition */
548 MonoGenericContext context; /* a context that contains the type instantiation doesn't contain any method instantiation */ /* FIXME: Only the class_inst member of "context" is ever used, so this field could be replaced with just a monogenericinst */
549 guint is_dynamic : 1; /* Contains dynamic types */
550 guint is_tb_open : 1; /* This is the fully open instantiation for a type_builder. Quite ugly, but it's temporary.*/
551 guint need_sync : 1; /* Only if dynamic. Need to be synchronized with its container class after its finished. */
552 MonoClass *cached_class; /* if present, the MonoClass corresponding to the instantiation. */
555 * The image set which owns this generic class. Memory owned by the generic class
556 * including cached_class should be allocated from the mempool of the image set,
557 * so it is easy to free.
565 struct _MonoGenericParam {
567 * Type or method this parameter was defined in.
569 MonoGenericContainer *owner;
572 * If != NULL, this is a generated generic param used by the JIT to implement generic
575 MonoType *gshared_constraint;
578 /* Additional details about a MonoGenericParam */
579 /* Keep in sync with managed Mono.RuntimeStructs.GenericParamInfo */
581 MonoClass *pklass; /* The corresponding `MonoClass'. */
584 // See GenericParameterAttributes
589 // Constraints on type parameters
590 MonoClass** constraints; /* NULL means end of list */
591 } MonoGenericParamInfo;
594 MonoGenericParam param;
595 MonoGenericParamInfo info;
596 } MonoGenericParamFull;
599 * The generic container.
601 * Stores the type parameters of a generic type definition or a generic method definition.
603 struct _MonoGenericContainer {
604 MonoGenericContext context;
605 /* If we're a generic method definition in a generic type definition,
606 the generic container of the containing class. */
607 MonoGenericContainer *parent;
608 /* the generic type definition or the generic method definition corresponding to this container */
609 /* Union rules: If is_anonymous, image field is valid; else if is_method, method field is valid; else klass is valid. */
615 int type_argc : 29; // Per the ECMA spec, this value is capped at 16 bits
616 /* If true, we're a generic method, otherwise a generic type definition. */
617 /* Invariant: parent != NULL => is_method */
619 /* If true, this container has no associated class/method and only the image is known. This can happen:
620 1. For the special anonymous containers kept by MonoImage.
621 2. During container creation via the mono_metadata_load_generic_params path-- in this case the caller
622 sets the owner, so temporarily while load_generic_params is completing the container is anonymous.
623 3. When user code creates a generic parameter via SRE, but has not yet set an owner. */
624 int is_anonymous : 1;
625 /* If false, all params in this container are full-size. If true, all params are just param structs. */
626 /* This field is always == to the is_anonymous field, except in "temporary" cases (2) and (3) above. */
627 /* TODO: Merge GenericParam and GenericParamFull, remove this field. Benefit is marginal. */
628 int is_small_param : 1;
629 /* Our type parameters. */
630 MonoGenericParamFull *type_params;
633 static inline MonoGenericParam *
634 mono_generic_container_get_param (MonoGenericContainer *gc, int i)
636 return (MonoGenericParam *) &gc->type_params [i];
639 static inline MonoGenericParamInfo *
640 mono_generic_container_get_param_info (MonoGenericContainer *gc, int i)
642 return &gc->type_params [i].info;
645 static inline MonoGenericContainer *
646 mono_generic_param_owner (MonoGenericParam *p)
652 mono_generic_param_num (MonoGenericParam *p)
657 static inline gboolean
658 mono_generic_param_is_fullsize (MonoGenericParam *p)
660 return !mono_generic_param_owner (p)->is_small_param;
663 static inline MonoGenericParamInfo *
664 mono_generic_param_info (MonoGenericParam *p)
666 if (mono_generic_param_is_fullsize (p))
667 return &((MonoGenericParamFull *) p)->info;
671 static inline const char *
672 mono_generic_param_name (MonoGenericParam *p)
674 if (mono_generic_param_is_fullsize (p))
675 return ((MonoGenericParamFull *) p)->info.name;
679 static inline MonoGenericContainer *
680 mono_type_get_generic_param_owner (MonoType *t)
682 return mono_generic_param_owner (t->data.generic_param);
686 mono_type_get_generic_param_num (MonoType *t)
688 return mono_generic_param_num (t->data.generic_param);
692 * Class information which might be cached by the runtime in the AOT file for
693 * example. Caching this allows us to avoid computing a generic vtable
694 * (class->vtable) in most cases, saving time and avoiding creation of lots of
695 * MonoMethod structures.
697 typedef struct MonoCachedClassInfo {
699 guint has_finalize : 1;
702 guint has_nested_classes : 1;
704 guint has_references : 1;
705 guint has_static_refs : 1;
706 guint no_special_static_fields : 1;
707 guint is_generic_container : 1;
709 MonoImage *finalize_image;
710 guint32 finalize_token;
711 guint32 instance_size;
713 guint32 packing_size;
715 } MonoCachedClassInfo;
720 gconstpointer wrapper;
721 gconstpointer trampoline;
722 MonoMethodSignature *sig;
723 const char *c_symbol;
724 MonoMethod *wrapper_method;
729 mono_class_setup_supertypes (MonoClass *klass);
732 mono_class_setup_fields (MonoClass *klass);
735 * Only call this function if you can ensure both @klass and @parent
736 * have supertype information initialized.
737 * This can be accomplished by mono_class_setup_supertypes or mono_class_init.
738 * If unsure, use mono_class_has_parent.
740 static inline gboolean
741 mono_class_has_parent_fast (MonoClass *klass, MonoClass *parent)
743 return (klass->idepth >= parent->idepth) && (klass->supertypes [parent->idepth - 1] == parent);
746 static inline gboolean
747 mono_class_has_parent (MonoClass *klass, MonoClass *parent)
749 if (G_UNLIKELY (!klass->supertypes))
750 mono_class_setup_supertypes (klass);
752 if (G_UNLIKELY (!parent->supertypes))
753 mono_class_setup_supertypes (parent);
755 return mono_class_has_parent_fast (klass, parent);
759 MonoVTable *default_vtable;
760 MonoVTable *xdomain_vtable;
761 MonoClass *proxy_class;
762 char* proxy_class_name;
763 uint32_t interface_count;
764 MonoClass *interfaces [MONO_ZERO_LEN_ARRAY];
767 #define MONO_SIZEOF_REMOTE_CLASS (sizeof (MonoRemoteClass) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
770 guint64 new_object_count;
771 size_t initialized_class_count;
772 size_t generic_vtable_count;
773 size_t used_class_count;
775 size_t class_vtable_size;
776 size_t class_static_data_size;
777 size_t generic_instance_count;
778 size_t generic_class_count;
779 size_t inflated_method_count;
780 size_t inflated_method_count_2;
781 size_t inflated_type_count;
782 size_t generics_metadata_size;
783 size_t delegate_creations;
784 size_t imt_tables_size;
785 size_t imt_number_of_tables;
786 size_t imt_number_of_methods;
787 size_t imt_used_slots;
788 size_t imt_slots_with_collisions;
789 size_t imt_max_collisions_in_slot;
790 size_t imt_method_count_when_max_collisions;
791 size_t imt_trampolines_size;
792 size_t jit_info_table_insert_count;
793 size_t jit_info_table_remove_count;
794 size_t jit_info_table_lookup_count;
795 size_t generics_sharable_methods;
796 size_t generics_unsharable_methods;
797 size_t generics_shared_methods;
798 size_t gsharedvt_methods;
799 size_t minor_gc_count;
800 size_t major_gc_count;
801 size_t minor_gc_time_usecs;
802 size_t major_gc_time_usecs;
807 * new structure to hold performace counters values that are exported
809 * Note: never remove fields from this structure and only add them to the end.
810 * Size of fields and type should not be changed as well.
817 guint32 jit_failures;
818 /* Exceptions category */
819 guint32 exceptions_thrown;
820 guint32 exceptions_filters;
821 guint32 exceptions_finallys;
822 guint32 exceptions_depth;
823 guint32 aspnet_requests_queued;
824 guint32 aspnet_requests;
825 /* Memory category */
826 guint32 gc_collections0;
827 guint32 gc_collections1;
828 guint32 gc_collections2;
829 guint32 gc_promotions0;
830 guint32 gc_promotions1;
831 guint32 gc_promotion_finalizers;
836 guint32 gc_fin_survivors;
837 guint32 gc_num_handles;
838 guint32 gc_allocated;
841 guint32 gc_total_bytes;
842 guint32 gc_committed_bytes;
843 guint32 gc_reserved_bytes;
844 guint32 gc_num_pinned;
845 guint32 gc_sync_blocks;
846 /* Remoting category */
847 guint32 remoting_calls;
848 guint32 remoting_channels;
849 guint32 remoting_proxies;
850 guint32 remoting_classes;
851 guint32 remoting_objects;
852 guint32 remoting_contexts;
853 /* Loader category */
854 guint32 loader_classes;
855 guint32 loader_total_classes;
856 guint32 loader_appdomains;
857 guint32 loader_total_appdomains;
858 guint32 loader_assemblies;
859 guint32 loader_total_assemblies;
860 guint32 loader_failures;
861 guint32 loader_bytes;
862 guint32 loader_appdomains_uloaded;
863 /* Threads and Locks category */
864 guint32 thread_contentions;
865 guint32 thread_queue_len;
866 guint32 thread_queue_max;
867 guint32 thread_num_logical;
868 guint32 thread_num_physical;
869 guint32 thread_cur_recognized;
870 guint32 thread_num_recognized;
871 /* Interop category */
872 guint32 interop_num_ccw;
873 guint32 interop_num_stubs;
874 guint32 interop_num_marshals;
875 /* Security category */
876 guint32 security_num_checks;
877 guint32 security_num_link_checks;
878 guint32 security_time;
879 guint32 security_depth;
882 guint64 threadpool_workitems;
883 guint64 threadpool_ioworkitems;
884 guint threadpool_threads;
885 guint threadpool_iothreads;
888 extern MonoPerfCounters *mono_perfcounters;
890 MONO_API void mono_perfcounters_init (void);
893 * The definition of the first field in SafeHandle,
894 * Keep in sync with SafeHandle.cs, this is only used
895 * to access the `handle' parameter.
903 * Keep in sync with HandleRef.cs
910 extern MonoStats mono_stats;
912 typedef gboolean (*MonoGetCachedClassInfo) (MonoClass *klass, MonoCachedClassInfo *res);
914 typedef gboolean (*MonoGetClassFromName) (MonoImage *image, const char *name_space, const char *name, MonoClass **res);
916 static inline gboolean
917 method_is_dynamic (MonoMethod *method)
919 #ifdef DISABLE_REFLECTION_EMIT
922 return method->dynamic;
927 mono_classes_init (void);
930 mono_classes_cleanup (void);
933 mono_class_layout_fields (MonoClass *klass, int base_instance_size, int packing_size, gboolean sre);
936 mono_class_setup_interface_offsets (MonoClass *klass);
939 mono_class_setup_vtable_general (MonoClass *klass, MonoMethod **overrides, int onum, GList *in_setup);
942 mono_class_setup_vtable (MonoClass *klass);
945 mono_class_setup_methods (MonoClass *klass);
948 mono_class_setup_mono_type (MonoClass *klass);
951 mono_class_setup_parent (MonoClass *klass, MonoClass *parent);
954 mono_class_get_method_by_index (MonoClass *klass, int index);
957 mono_class_get_inflated_method (MonoClass *klass, MonoMethod *method);
960 mono_class_get_vtable_entry (MonoClass *klass, int offset);
963 mono_class_get_implemented_interfaces (MonoClass *klass, MonoError *error);
966 mono_class_get_vtable_size (MonoClass *klass);
969 mono_class_is_open_constructed_type (MonoType *t);
972 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
973 MonoGenericContext *generic_context);
976 mono_class_get_cctor (MonoClass *klass);
979 mono_class_get_finalizer (MonoClass *klass);
982 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller);
985 mono_class_field_is_special_static (MonoClassField *field);
988 mono_class_field_get_special_static_type (MonoClassField *field);
991 mono_class_has_special_static_fields (MonoClass *klass);
994 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type);
997 mono_class_get_property_default_value (MonoProperty *property, MonoTypeEnum *def_type);
1000 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context, MonoError *error);
1003 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean check_token, MonoClass **handle_class, MonoGenericContext *context, MonoError *error);
1006 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper, MonoError *error);
1009 mono_runtime_create_delegate_trampoline (MonoClass *klass);
1012 mono_install_get_cached_class_info (MonoGetCachedClassInfo func);
1015 mono_install_get_class_from_name (MonoGetClassFromName func);
1018 mono_class_get_context (MonoClass *klass);
1020 MonoMethodSignature*
1021 mono_method_signature_checked (MonoMethod *m, MonoError *err);
1024 mono_method_get_context_general (MonoMethod *method, gboolean uninflated);
1027 mono_method_get_context (MonoMethod *method);
1029 /* Used by monodis, thus cannot be MONO_INTERNAL */
1030 MONO_API MonoGenericContainer*
1031 mono_method_get_generic_container (MonoMethod *method);
1034 mono_generic_class_get_context (MonoGenericClass *gclass);
1037 mono_generic_class_get_class (MonoGenericClass *gclass);
1040 mono_method_set_generic_container (MonoMethod *method, MonoGenericContainer* container);
1043 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context);
1046 mono_class_inflate_generic_method_full_checked (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context, MonoError *error);
1049 mono_class_inflate_generic_method_checked (MonoMethod *method, MonoGenericContext *context, MonoError *error);
1052 mono_metadata_get_image_set_for_method (MonoMethodInflated *method);
1054 MONO_API MonoMethodSignature *
1055 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context);
1058 mono_class_inflate_generic_type_with_mempool (MonoImage *image, MonoType *type, MonoGenericContext *context, MonoError *error);
1061 mono_class_inflate_generic_type_checked (MonoType *type, MonoGenericContext *context, MonoError *error);
1064 mono_metadata_free_inflated_signature (MonoMethodSignature *sig);
1066 MonoMethodSignature*
1067 mono_inflate_generic_signature (MonoMethodSignature *sig, MonoGenericContext *context, MonoError *error);
1071 MonoClass *object_class;
1072 MonoClass *byte_class;
1073 MonoClass *void_class;
1074 MonoClass *boolean_class;
1075 MonoClass *sbyte_class;
1076 MonoClass *int16_class;
1077 MonoClass *uint16_class;
1078 MonoClass *int32_class;
1079 MonoClass *uint32_class;
1080 MonoClass *int_class;
1081 MonoClass *uint_class;
1082 MonoClass *int64_class;
1083 MonoClass *uint64_class;
1084 MonoClass *single_class;
1085 MonoClass *double_class;
1086 MonoClass *char_class;
1087 MonoClass *string_class;
1088 MonoClass *enum_class;
1089 MonoClass *array_class;
1090 MonoClass *delegate_class;
1091 MonoClass *multicastdelegate_class;
1092 MonoClass *asyncresult_class;
1093 MonoClass *manualresetevent_class;
1094 MonoClass *typehandle_class;
1095 MonoClass *fieldhandle_class;
1096 MonoClass *methodhandle_class;
1097 MonoClass *systemtype_class;
1098 MonoClass *runtimetype_class;
1099 MonoClass *exception_class;
1100 MonoClass *threadabortexception_class;
1101 MonoClass *thread_class;
1102 MonoClass *internal_thread_class;
1103 #ifndef DISABLE_REMOTING
1104 MonoClass *transparent_proxy_class;
1105 MonoClass *real_proxy_class;
1106 MonoClass *marshalbyrefobject_class;
1107 MonoClass *iremotingtypeinfo_class;
1109 MonoClass *mono_method_message_class;
1110 MonoClass *appdomain_class;
1111 MonoClass *field_info_class;
1112 MonoClass *method_info_class;
1113 MonoClass *stringbuilder_class;
1114 MonoClass *math_class;
1115 MonoClass *stack_frame_class;
1116 MonoClass *stack_trace_class;
1117 MonoClass *marshal_class;
1118 MonoClass *typed_reference_class;
1119 MonoClass *argumenthandle_class;
1120 MonoClass *monitor_class;
1121 MonoClass *generic_ilist_class;
1122 MonoClass *generic_nullable_class;
1123 MonoClass *handleref_class;
1124 MonoClass *attribute_class;
1125 MonoClass *customattribute_data_class;
1126 MonoClass *critical_finalizer_object; /* MAYBE NULL */
1127 MonoClass *generic_ireadonlylist_class;
1128 MonoClass *threadpool_wait_callback_class;
1129 MonoMethod *threadpool_perform_wait_callback_method;
1132 #ifdef DISABLE_REMOTING
1133 #define mono_class_is_transparent_proxy(klass) (FALSE)
1134 #define mono_class_is_real_proxy(klass) (FALSE)
1135 #define mono_object_is_transparent_proxy(object) (FALSE)
1138 mono_remote_class (MonoDomain *domain, MonoString *class_name, MonoClass *proxy_class, MonoError *error);
1140 #define mono_class_is_transparent_proxy(klass) ((klass) == mono_defaults.transparent_proxy_class)
1141 #define mono_class_is_real_proxy(klass) ((klass) == mono_defaults.real_proxy_class)
1142 #define mono_object_is_transparent_proxy(object) (((MonoObject*)object)->vtable->klass == mono_defaults.transparent_proxy_class)
1146 #define GENERATE_GET_CLASS_WITH_CACHE_DECL(shortname) \
1147 MonoClass* mono_class_get_##shortname##_class (void);
1149 #define GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL(shortname) \
1150 MonoClass* mono_class_try_get_##shortname##_class (void);
1152 #define GENERATE_GET_CLASS_WITH_CACHE(shortname,namespace,name) \
1154 mono_class_get_##shortname##_class (void) \
1156 static MonoClass *tmp_class; \
1157 MonoClass *klass = tmp_class; \
1159 klass = mono_class_load_from_name (mono_defaults.corlib, #namespace, #name); \
1160 mono_memory_barrier (); \
1161 tmp_class = klass; \
1166 #define GENERATE_TRY_GET_CLASS_WITH_CACHE(shortname,namespace,name) \
1168 mono_class_try_get_##shortname##_class (void) \
1170 static volatile MonoClass *tmp_class; \
1171 static volatile gboolean inited; \
1172 MonoClass *klass = (MonoClass *)tmp_class; \
1173 mono_memory_barrier (); \
1175 klass = mono_class_try_load_from_name (mono_defaults.corlib, #namespace, #name); \
1176 tmp_class = klass; \
1177 mono_memory_barrier (); \
1183 GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL (safehandle)
1187 GENERATE_GET_CLASS_WITH_CACHE_DECL (interop_proxy)
1188 GENERATE_GET_CLASS_WITH_CACHE_DECL (idispatch)
1189 GENERATE_GET_CLASS_WITH_CACHE_DECL (iunknown)
1190 GENERATE_GET_CLASS_WITH_CACHE_DECL (com_object)
1191 GENERATE_GET_CLASS_WITH_CACHE_DECL (variant)
1195 extern MonoDefaults mono_defaults;
1198 mono_loader_init (void);
1201 mono_loader_cleanup (void);
1204 mono_loader_lock (void) MONO_LLVM_INTERNAL;
1207 mono_loader_unlock (void) MONO_LLVM_INTERNAL;
1210 mono_loader_lock_track_ownership (gboolean track);
1213 mono_loader_lock_is_owned_by_self (void);
1216 mono_loader_lock_if_inited (void);
1219 mono_loader_unlock_if_inited (void);
1222 mono_reflection_init (void);
1225 mono_icall_init (void);
1228 mono_icall_cleanup (void);
1231 mono_method_get_wrapper_data (MonoMethod *method, guint32 id);
1234 mono_metadata_has_generic_params (MonoImage *image, guint32 token);
1236 MONO_API MonoGenericContainer *
1237 mono_metadata_load_generic_params (MonoImage *image, guint32 token,
1238 MonoGenericContainer *parent_container);
1241 mono_metadata_load_generic_param_constraints_checked (MonoImage *image, guint32 token,
1242 MonoGenericContainer *container, MonoError *error);
1244 MonoMethodSignature*
1245 mono_create_icall_signature (const char *sigstr);
1248 mono_register_jit_icall (gconstpointer func, const char *name, MonoMethodSignature *sig, gboolean is_save);
1251 mono_register_jit_icall_full (gconstpointer func, const char *name, MonoMethodSignature *sig, gboolean is_save, gboolean no_raise, const char *c_symbol);
1254 mono_register_jit_icall_wrapper (MonoJitICallInfo *info, gconstpointer wrapper);
1257 mono_find_jit_icall_by_name (const char *name) MONO_LLVM_INTERNAL;
1260 mono_find_jit_icall_by_addr (gconstpointer addr) MONO_LLVM_INTERNAL;
1263 mono_get_jit_icall_info (void);
1266 mono_lookup_jit_icall_symbol (const char *name);
1269 mono_class_set_type_load_failure (MonoClass *klass, const char * fmt, ...) MONO_ATTR_FORMAT_PRINTF(2,3);
1272 mono_class_get_exception_for_failure (MonoClass *klass);
1275 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format);
1278 mono_type_get_full_name (MonoClass *klass);
1281 mono_method_get_name_full (MonoMethod *method, gboolean signature, gboolean ret, MonoTypeNameFormat format);
1284 mono_method_get_full_name (MonoMethod *method);
1286 MonoArrayType *mono_dup_array_type (MonoImage *image, MonoArrayType *a);
1287 MonoMethodSignature *mono_metadata_signature_deep_dup (MonoImage *image, MonoMethodSignature *sig);
1290 mono_image_init_name_cache (MonoImage *image);
1292 gboolean mono_class_is_nullable (MonoClass *klass);
1293 MonoClass *mono_class_get_nullable_param (MonoClass *klass);
1295 /* object debugging functions, for use inside gdb */
1296 MONO_API void mono_object_describe (MonoObject *obj);
1297 MONO_API void mono_object_describe_fields (MonoObject *obj);
1298 MONO_API void mono_value_describe_fields (MonoClass* klass, const char* addr);
1299 MONO_API void mono_class_describe_statics (MonoClass* klass);
1301 /* method debugging functions, for use inside gdb */
1302 MONO_API void mono_method_print_code (MonoMethod *method);
1304 char *mono_signature_full_name (MonoMethodSignature *sig);
1306 /*Enum validation related functions*/
1308 mono_type_is_valid_enum_basetype (MonoType * type);
1311 mono_class_is_valid_enum (MonoClass *klass);
1314 mono_type_is_primitive (MonoType *type);
1317 mono_type_get_checked (MonoImage *image, guint32 type_token, MonoGenericContext *context, MonoError *error);
1320 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass);
1323 mono_class_get_method_generic (MonoClass *klass, MonoMethod *method);
1326 mono_type_get_basic_type_from_generic (MonoType *type);
1329 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass);
1332 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass);
1335 mono_class_can_access_class (MonoClass *access_class, MonoClass *target_class);
1338 mono_class_get_generic_type_definition (MonoClass *klass);
1341 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent);
1344 mono_method_get_vtable_slot (MonoMethod *method);
1347 mono_method_get_vtable_index (MonoMethod *method);
1350 mono_method_search_in_array_class (MonoClass *klass, const char *name, MonoMethodSignature *sig);
1353 mono_class_setup_interface_id (MonoClass *klass);
1355 MonoGenericContainer*
1356 mono_class_get_generic_container (MonoClass *klass);
1359 mono_class_alloc (MonoClass *klass, int size);
1362 mono_class_alloc0 (MonoClass *klass, int size);
1365 mono_class_alloc_ext (MonoClass *klass);
1368 mono_class_setup_interfaces (MonoClass *klass, MonoError *error);
1371 mono_class_get_field_from_name_full (MonoClass *klass, const char *name, MonoType *type);
1374 mono_class_vtable_full (MonoDomain *domain, MonoClass *klass, MonoError *error);
1377 mono_class_is_assignable_from_slow (MonoClass *target, MonoClass *candidate);
1380 mono_class_has_variant_generic_params (MonoClass *klass);
1383 mono_class_is_variant_compatible (MonoClass *klass, MonoClass *oklass, gboolean check_for_reference_conv);
1385 gboolean mono_is_corlib_image (MonoImage *image);
1388 mono_field_get_type_checked (MonoClassField *field, MonoError *error);
1391 mono_class_get_fields_lazy (MonoClass* klass, gpointer *iter);
1394 mono_class_check_vtable_constraints (MonoClass *klass, GList *in_setup);
1397 mono_class_has_finalizer (MonoClass *klass);
1400 mono_unload_interface_id (MonoClass *klass);
1403 mono_class_get_methods_by_name (MonoClass *klass, const char *name, guint32 bflags, gboolean ignore_case, gboolean allow_ctors, MonoError *error);
1406 mono_class_full_name (MonoClass *klass);
1409 mono_class_inflate_generic_class_checked (MonoClass *gklass, MonoGenericContext *context, MonoError *error);
1412 mono_class_get_checked (MonoImage *image, guint32 type_token, MonoError *error);
1415 mono_class_get_and_inflate_typespec_checked (MonoImage *image, guint32 type_token, MonoGenericContext *context, MonoError *error);
1418 mono_class_from_name_checked (MonoImage *image, const char* name_space, const char *name, MonoError *error);
1421 mono_class_from_name_case_checked (MonoImage *image, const char* name_space, const char *name, MonoError *error);
1424 mono_field_from_token_checked (MonoImage *image, uint32_t token, MonoClass **retklass, MonoGenericContext *context, MonoError *error);
1427 mono_ldtoken_checked (MonoImage *image, guint32 token, MonoClass **handle_class, MonoGenericContext *context, MonoError *error);
1430 mono_class_from_generic_parameter_internal (MonoGenericParam *param);
1433 get_image_for_generic_param (MonoGenericParam *param);
1436 make_generic_name_string (MonoImage *image, int num);
1439 mono_class_load_from_name (MonoImage *image, const char* name_space, const char *name) MONO_LLVM_INTERNAL;
1442 mono_class_try_load_from_name (MonoImage *image, const char* name_space, const char *name);
1445 mono_error_set_for_class_failure (MonoError *orerror, const MonoClass *klass);
1448 mono_class_has_failure (const MonoClass *klass);
1450 /* Kind specific accessors */
1452 mono_class_get_generic_class (MonoClass *klass);
1455 mono_class_try_get_generic_class (MonoClass *klass);
1458 mono_class_set_flags (MonoClass *klass, guint32 flags);
1460 MonoGenericContainer*
1461 mono_class_try_get_generic_container (MonoClass *klass);
1464 mono_class_set_generic_container (MonoClass *klass, MonoGenericContainer *container);
1467 mono_class_get_first_method_idx (MonoClass *klass);
1470 mono_class_set_first_method_idx (MonoClass *klass, guint32 idx);
1473 mono_class_get_first_field_idx (MonoClass *klass);
1476 mono_class_set_first_field_idx (MonoClass *klass, guint32 idx);
1479 mono_class_get_method_count (MonoClass *klass);
1482 mono_class_set_method_count (MonoClass *klass, guint32 count);
1485 mono_class_get_field_count (MonoClass *klass);
1488 mono_class_set_field_count (MonoClass *klass, guint32 count);
1491 mono_class_get_marshal_info (MonoClass *class);
1494 mono_class_set_marshal_info (MonoClass *class, MonoMarshalType *marshal_info);
1497 mono_class_get_ext (MonoClass *class);
1500 mono_class_set_ext (MonoClass *class, MonoClassExt *ext);
1503 mono_class_get_ref_info_handle (MonoClass *class);
1506 mono_class_set_ref_info_handle (MonoClass *class, guint32 value);
1508 /*Now that everything has been defined, let's include the inline functions */
1509 #include <mono/metadata/class-inlines.h>
1511 #endif /* __MONO_METADATA_CLASS_INTERNALS_H__ */