3 * Copyright 2012 Xamarin Inc
4 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
6 #ifndef __MONO_METADATA_CLASS_INTERNALS_H__
7 #define __MONO_METADATA_CLASS_INTERNALS_H__
9 #include <mono/metadata/class.h>
10 #include <mono/metadata/object.h>
11 #include <mono/metadata/mempool.h>
12 #include <mono/metadata/metadata-internals.h>
13 #include <mono/metadata/property-bag.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;
30 typedef struct _MonoDynamicMethod MonoDynamicMethod;
32 /* Properties that applies to a group of structs should better use a higher number
33 * to avoid colision with type specific properties.
35 * This prop applies to class, method, property, event, assembly and image.
37 #define MONO_PROP_DYNAMIC_CATTR 0x1000
39 #ifdef ENABLE_ICALL_EXPORT
40 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
41 #define ICALL_DECL_EXPORT MONO_API
42 #define ICALL_EXPORT MONO_API
44 #define ICALL_DECL_EXPORT
45 #define ICALL_EXPORT static
49 #define WRAPPER(e,n) MONO_WRAPPER_ ## e,
50 #include "wrapper-types.h"
56 MONO_TYPE_NAME_FORMAT_IL,
57 MONO_TYPE_NAME_FORMAT_REFLECTION,
58 MONO_TYPE_NAME_FORMAT_FULL_NAME,
59 MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
63 MONO_REMOTING_TARGET_UNKNOWN,
64 MONO_REMOTING_TARGET_APPDOMAIN,
65 MONO_REMOTING_TARGET_COMINTEROP
68 #define MONO_METHOD_PROP_GENERIC_CONTAINER 0
71 guint16 flags; /* method flags */
72 guint16 iflags; /* method implementation flags */
74 MonoClass *klass; /* To what class does this method belong */
75 MonoMethodSignature *signature;
76 /* name is useful mostly for debugging */
78 /* this is used by the inlining algorithm */
79 unsigned int inline_info:1;
80 unsigned int inline_failure:1;
81 unsigned int wrapper_type:5;
82 unsigned int string_ctor:1;
83 unsigned int save_lmf:1;
84 unsigned int dynamic:1; /* created & destroyed during runtime */
85 unsigned int sre_method:1; /* created at runtime using Reflection.Emit */
86 unsigned int is_generic:1; /* whenever this is a generic method definition */
87 unsigned int is_inflated:1; /* whether we're a MonoMethodInflated */
88 unsigned int skip_visibility:1; /* whenever to skip JIT visibility checks */
89 unsigned int verification_success:1; /* whether this method has been verified successfully.*/
93 * If is_generic is TRUE, the generic_container is stored in image->property_hash,
94 * using the key MONO_METHOD_PROP_GENERIC_CONTAINER.
98 struct _MonoMethodWrapper {
100 MonoMethodHeader *header;
104 struct _MonoDynamicMethod {
105 MonoMethodWrapper method;
106 MonoAssembly *assembly;
109 struct _MonoMethodPInvoke {
112 /* add marshal info */
113 guint16 piflags; /* pinvoke flags */
114 guint16 implmap_idx; /* index into IMPLMAP */
118 * Stores the default value / RVA of fields.
119 * This information is rarely needed, so it is stored separately from
122 typedef struct MonoFieldDefaultValue {
124 * If the field is constant, pointer to the metadata constant
126 * If the field has an RVA flag, pointer to the data.
131 /* If the field is constant, the type of the constant. */
132 MonoTypeEnum def_type;
133 } MonoFieldDefaultValue;
136 * MonoClassField is just a runtime representation of the metadata for
137 * field, it doesn't contain the data directly. Static fields are
138 * stored in MonoVTable->data. Instance fields are allocated in the
139 * objects after the object header.
141 struct _MonoClassField {
142 /* Type of the field */
147 /* Type where the field was defined */
151 * Offset where this field is stored; if it is an instance
152 * field, it's the offset from the start of the object, if
153 * it's static, it's from the start of the memory chunk
154 * allocated for statics for the class.
155 * For special static fields, this is set to -1 during vtable construction.
160 /* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
161 #define mono_field_is_deleted(field) (((field)->type->attrs & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
162 && (strcmp (mono_field_get_name (field), "_Deleted") == 0))
164 /* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
165 /* Try to avoid loading the field's type */
166 #define mono_field_is_deleted_with_flags(field, flags) (((flags) & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
167 && (strcmp (mono_field_get_name (field), "_Deleted") == 0))
170 MonoClassField *field;
172 MonoMarshalSpec *mspec;
176 MonoPropertyBagItem head;
178 guint32 native_size, min_align;
180 MonoMethod *ptr_to_str;
181 MonoMethod *str_to_ptr;
182 MonoMarshalField fields [MONO_ZERO_LEN_ARRAY];
185 #define MONO_SIZEOF_MARSHAL_TYPE (offsetof (MonoMarshalType, fields))
187 struct _MonoProperty {
201 #ifndef MONO_SMALL_CONFIG
207 /* type of exception being "on hold" for later processing (see exception_type) */
209 MONO_EXCEPTION_NONE = 0,
210 MONO_EXCEPTION_INVALID_PROGRAM = 3,
211 MONO_EXCEPTION_UNVERIFIABLE_IL = 4,
212 MONO_EXCEPTION_MISSING_METHOD = 5,
213 MONO_EXCEPTION_MISSING_FIELD = 6,
214 MONO_EXCEPTION_TYPE_LOAD = 7,
215 MONO_EXCEPTION_FILE_NOT_FOUND = 8,
216 MONO_EXCEPTION_METHOD_ACCESS = 9,
217 MONO_EXCEPTION_FIELD_ACCESS = 10,
218 MONO_EXCEPTION_GENERIC_SHARING_FAILED = 11,
219 MONO_EXCEPTION_BAD_IMAGE = 12,
220 MONO_EXCEPTION_OBJECT_SUPPLIED = 13, /*The exception object is already created.*/
221 MONO_EXCEPTION_OUT_OF_MEMORY = 14,
222 MONO_EXCEPTION_INLINE_FAILED = 15,
223 MONO_EXCEPTION_MONO_ERROR = 16,
224 /* add other exception type */
227 /* This struct collects the info needed for the runtime use of a class,
228 * like the vtables for a domain, the GC descriptor, etc.
232 /* domain_vtables is indexed by the domain id and the size is max_domain + 1 */
233 MonoVTable *domain_vtables [MONO_ZERO_LEN_ARRAY];
234 } MonoClassRuntimeInfo;
236 #define MONO_SIZEOF_CLASS_RUNTIME_INFO (sizeof (MonoClassRuntimeInfo) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
239 MonoPropertyBagItem head;
241 MonoProperty *properties;
242 guint32 first, count;
243 MonoFieldDefaultValue *def_values;
244 } MonoClassPropertyInfo;
247 MonoPropertyBagItem head;
249 /* Initialized by a call to mono_class_setup_events () */
251 guint32 first, count;
252 } MonoClassEventInfo;
255 MONO_CLASS_DEF = 1, /* non-generic type */
256 MONO_CLASS_GTD, /* generic type definition */
257 MONO_CLASS_GINST, /* generic instantiation */
258 MONO_CLASS_GPARAM, /* generic parameter */
259 MONO_CLASS_ARRAY, /* vector or array, bounded or not */
260 MONO_CLASS_POINTER, /* pointer of function pointer*/
264 /* element class for arrays and enum basetype for enums */
265 MonoClass *element_class;
266 /* used for subtype checks */
267 MonoClass *cast_class;
269 /* for fast subtype checks */
270 MonoClass **supertypes;
273 /* array dimension */
276 int instance_size; /* object instance size */
280 /* A class contains static and non static data. Static data can be
281 * of the same type as the class itselfs, but it does not influence
282 * the instance size of the class. To avoid cyclic calls to
283 * mono_class_init (from mono_class_instance_size ()) we first
284 * initialise all non static fields. After that we set size_inited
285 * to 1, because we know the instance size now. After that we
286 * initialise all static fields.
289 /* ALL BITFIELDS SHOULD BE WRITTEN WHILE HOLDING THE LOADER LOCK */
290 guint size_inited : 1;
291 guint valuetype : 1; /* derives from System.ValueType */
292 guint enumtype : 1; /* derives from System.Enum */
293 guint blittable : 1; /* class is blittable */
294 guint unicode : 1; /* class uses unicode char when marshalled */
295 guint wastypebuilder : 1; /* class was created at runtime from a TypeBuilder */
296 guint is_array_special_interface : 1; /* gtd or ginst of once of the magic interfaces that arrays implement */
302 guint packing_size : 4;
303 guint ghcimpl : 1; /* class has its own GetHashCode impl */
304 guint has_finalize : 1; /* class has its own Finalize impl */
305 #ifndef DISABLE_REMOTING
306 guint marshalbyref : 1; /* class is a MarshalByRefObject */
307 guint contextbound : 1; /* class is a ContextBoundObject */
310 guint delegate : 1; /* class is a Delegate */
311 guint gc_descr_inited : 1; /* gc_descr is initialized */
312 guint has_cctor : 1; /* class has a cctor */
313 guint has_references : 1; /* it has GC-tracked references in the instance */
314 guint has_static_refs : 1; /* it has static fields that are GC-tracked */
315 guint no_special_static_fields : 1; /* has no thread/context static fields */
316 /* directly or indirectly derives from ComImport attributed class.
317 * this means we need to create a proxy for instances of this class
318 * for COM Interop. set this flag on loading so all we need is a quick check
319 * during object creation rather than having to traverse supertypes
321 guint is_com_object : 1;
322 guint nested_classes_inited : 1; /* Whenever nested_class is initialized */
325 guint class_kind : 3; /* One of the values from MonoTypeKind */
326 guint interfaces_inited : 1; /* interfaces is initialized */
327 guint simd_type : 1; /* class is a simd intrinsic type */
328 guint has_finalize_inited : 1; /* has_finalize is initialized */
329 guint fields_inited : 1; /* setup_fields () has finished */
330 guint has_failure : 1; /* See mono_class_get_exception_data () for a MonoErrorBoxed with the details */
333 MonoClass *nested_in;
337 const char *name_space;
340 int vtable_size; /* number of slots */
342 guint16 interface_count;
343 guint32 interface_id; /* unique inderface id (for interfaces) */
344 guint32 max_interface_id;
346 guint16 interface_offsets_count;
347 MonoClass **interfaces_packed;
348 guint16 *interface_offsets_packed;
349 /* enabled only with small config for now: we might want to do it unconditionally */
350 #ifdef MONO_SMALL_CONFIG
351 #define COMPRESSED_INTERFACE_BITMAP 1
353 guint8 *interface_bitmap;
355 MonoClass **interfaces;
358 int class_size; /* size of area for static fields */
359 int element_size; /* for array types */
360 int generic_param_token; /* for generic param types, both var and mvar */
364 * Field information: Type and location from object base
366 MonoClassField *fields;
368 MonoMethod **methods;
370 /* used as the type of the this argument and when passing the arg by value */
374 MonoGCDescriptor gc_descr;
376 MonoClassRuntimeInfo *runtime_info;
378 /* Generic vtable. Initialized by a call to mono_class_setup_vtable () */
381 /* Infrequently used items. See class-accessors.c: InfrequentDataKind for what goes into here. */
382 MonoPropertyBag infrequent_data;
389 * From the TypeDef table
391 guint32 first_method_idx;
392 guint32 first_field_idx;
393 guint32 method_count, field_count;
394 /* next element in the class_cache hash list (in MonoImage) */
395 MonoClass *next_class_cache;
400 MonoGenericContainer *generic_container;
401 /* The canonical GENERICINST where we instantiate a generic type definition with its own generic parameters.*/
402 /* Suppose we have class T`2<A,B> {...}. canonical_inst is the GTD T`2 applied to A and B. */
403 MonoType canonical_inst;
408 MonoGenericClass *generic_class;
409 } MonoClassGenericInst;
413 } MonoClassGenericParam;
417 guint32 method_count;
424 #ifdef COMPRESSED_INTERFACE_BITMAP
425 int mono_compress_bitmap (uint8_t *dest, const uint8_t *bitmap, int size);
426 int mono_class_interface_match (const uint8_t *bitmap, int id);
428 #define mono_class_interface_match(bmap,uiid) ((bmap) [(uiid) >> 3] & (1 << ((uiid)&7)))
431 #define MONO_CLASS_IMPLEMENTS_INTERFACE(k,uiid) (((uiid) <= (k)->max_interface_id) && mono_class_interface_match ((k)->interface_bitmap, (uiid)))
433 #define MONO_VTABLE_AVAILABLE_GC_BITS 4
435 #ifdef DISABLE_REMOTING
436 #define mono_class_is_marshalbyref(klass) (FALSE)
437 #define mono_class_is_contextbound(klass) (FALSE)
438 #define mono_vtable_is_remote(vtable) (FALSE)
439 #define mono_vtable_set_is_remote(vtable,enable) do {} while (0)
441 #define mono_class_is_marshalbyref(klass) ((klass)->marshalbyref)
442 #define mono_class_is_contextbound(klass) ((klass)->contextbound)
443 #define mono_vtable_is_remote(vtable) ((vtable)->remote)
444 #define mono_vtable_set_is_remote(vtable,enable) do { (vtable)->remote = enable ? 1 : 0; } while (0)
448 #define mono_class_is_com_object(klass) (FALSE)
450 #define mono_class_is_com_object(klass) ((klass)->is_com_object)
454 MONO_API int mono_class_interface_offset (MonoClass *klass, MonoClass *itf);
455 int mono_class_interface_offset_with_variance (MonoClass *klass, MonoClass *itf, gboolean *non_exact_match);
457 typedef gpointer MonoRuntimeGenericContext;
459 /* the interface_offsets array is stored in memory before this struct */
463 * According to comments in gc_gcj.h, this should be the second word in
466 MonoGCDescriptor gc_descr;
467 MonoDomain *domain; /* each object/vtable belongs to exactly one domain */
468 gpointer type; /* System.Type type for klass */
469 guint8 *interface_bitmap;
470 guint32 max_interface_id;
472 /* Keep this a guint8, the jit depends on it */
473 guint8 initialized; /* cctor has been run */
474 guint remote : 1; /* class is remotely activated */
475 guint init_failed : 1; /* cctor execution failed */
476 guint has_static_fields : 1; /* pointer to the data stored at the end of the vtable array */
477 guint gc_bits : MONO_VTABLE_AVAILABLE_GC_BITS; /* Those bits are reserved for the usaged of the GC */
479 guint32 imt_collisions_bitmap;
480 MonoRuntimeGenericContext *runtime_generic_context;
481 /* do not add any fields after vtable, the structure is dynamically extended */
482 /* vtable contains function pointers to methods or their trampolines, at the
483 end there may be a slot containing the pointer to the static fields */
484 gpointer vtable [MONO_ZERO_LEN_ARRAY];
487 #define MONO_SIZEOF_VTABLE (sizeof (MonoVTable) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
489 #define MONO_VTABLE_IMPLEMENTS_INTERFACE(vt,uiid) (((uiid) <= (vt)->max_interface_id) && mono_class_interface_match ((vt)->interface_bitmap, (uiid)))
492 * Generic instantiation data type encoding.
496 * A particular generic instantiation:
498 * All instantiations are cached and we don't distinguish between class and method
499 * instantiations here.
501 struct _MonoGenericInst {
502 #ifndef MONO_SMALL_CONFIG
503 gint32 id; /* unique ID for debugging */
505 guint type_argc : 22; /* number of type arguments */
506 guint is_open : 1; /* if this is an open type */
507 MonoType *type_argv [MONO_ZERO_LEN_ARRAY];
510 #define MONO_SIZEOF_GENERIC_INST (sizeof (MonoGenericInst) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
512 * The generic context: an instantiation of a set of class and method generic parameters.
514 * NOTE: Never allocate this directly on the heap. It have to be either allocated on the stack,
515 * or embedded within other objects. Don't store pointers to this, because it may be on the stack.
516 * If you really have to, ensure you store a pointer to the embedding object along with it.
518 struct _MonoGenericContext {
519 /* The instantiation corresponding to the class generic parameters */
520 MonoGenericInst *class_inst;
521 /* The instantiation corresponding to the method generic parameters */
522 MonoGenericInst *method_inst;
526 * Inflated generic method.
528 struct _MonoMethodInflated {
531 MonoMethodPInvoke pinvoke;
533 MonoMethod *declaring; /* the generic method definition. */
534 MonoGenericContext context; /* The current instantiation */
535 MonoImageSet *owner; /* The image set that the inflated method belongs to. */
539 * A particular instantiation of a generic type.
541 struct _MonoGenericClass {
542 MonoClass *container_class; /* the generic type definition */
543 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 */
544 guint is_dynamic : 1; /* Contains dynamic types */
545 guint is_tb_open : 1; /* This is the fully open instantiation for a type_builder. Quite ugly, but it's temporary.*/
546 guint need_sync : 1; /* Only if dynamic. Need to be synchronized with its container class after its finished. */
547 MonoClass *cached_class; /* if present, the MonoClass corresponding to the instantiation. */
550 * The image set which owns this generic class. Memory owned by the generic class
551 * including cached_class should be allocated from the mempool of the image set,
552 * so it is easy to free.
560 struct _MonoGenericParam {
562 * Type or method this parameter was defined in.
564 MonoGenericContainer *owner;
567 * If != NULL, this is a generated generic param used by the JIT to implement generic
570 MonoType *gshared_constraint;
573 /* Additional details about a MonoGenericParam */
574 /* Keep in sync with managed Mono.RuntimeStructs.GenericParamInfo */
576 MonoClass *pklass; /* The corresponding `MonoClass'. */
579 // See GenericParameterAttributes
584 // Constraints on type parameters
585 MonoClass** constraints; /* NULL means end of list */
586 } MonoGenericParamInfo;
589 MonoGenericParam param;
590 MonoGenericParamInfo info;
591 } MonoGenericParamFull;
594 * The generic container.
596 * Stores the type parameters of a generic type definition or a generic method definition.
598 struct _MonoGenericContainer {
599 MonoGenericContext context;
600 /* If we're a generic method definition in a generic type definition,
601 the generic container of the containing class. */
602 MonoGenericContainer *parent;
603 /* the generic type definition or the generic method definition corresponding to this container */
604 /* Union rules: If is_anonymous, image field is valid; else if is_method, method field is valid; else klass is valid. */
610 int type_argc : 29; // Per the ECMA spec, this value is capped at 16 bits
611 /* If true, we're a generic method, otherwise a generic type definition. */
612 /* Invariant: parent != NULL => is_method */
614 /* If true, this container has no associated class/method and only the image is known. This can happen:
615 1. For the special anonymous containers kept by MonoImage.
616 2. During container creation via the mono_metadata_load_generic_params path-- in this case the caller
617 sets the owner, so temporarily while load_generic_params is completing the container is anonymous.
618 3. When user code creates a generic parameter via SRE, but has not yet set an owner. */
619 int is_anonymous : 1;
620 /* If false, all params in this container are full-size. If true, all params are just param structs. */
621 /* This field is always == to the is_anonymous field, except in "temporary" cases (2) and (3) above. */
622 /* TODO: Merge GenericParam and GenericParamFull, remove this field. Benefit is marginal. */
623 int is_small_param : 1;
624 /* Our type parameters. */
625 MonoGenericParamFull *type_params;
628 static inline MonoGenericParam *
629 mono_generic_container_get_param (MonoGenericContainer *gc, int i)
631 return (MonoGenericParam *) &gc->type_params [i];
634 static inline MonoGenericParamInfo *
635 mono_generic_container_get_param_info (MonoGenericContainer *gc, int i)
637 return &gc->type_params [i].info;
640 static inline MonoGenericContainer *
641 mono_generic_param_owner (MonoGenericParam *p)
647 mono_generic_param_num (MonoGenericParam *p)
652 static inline gboolean
653 mono_generic_param_is_fullsize (MonoGenericParam *p)
655 return !mono_generic_param_owner (p)->is_small_param;
658 static inline MonoGenericParamInfo *
659 mono_generic_param_info (MonoGenericParam *p)
661 if (mono_generic_param_is_fullsize (p))
662 return &((MonoGenericParamFull *) p)->info;
666 static inline const char *
667 mono_generic_param_name (MonoGenericParam *p)
669 if (mono_generic_param_is_fullsize (p))
670 return ((MonoGenericParamFull *) p)->info.name;
674 static inline MonoGenericContainer *
675 mono_type_get_generic_param_owner (MonoType *t)
677 return mono_generic_param_owner (t->data.generic_param);
681 mono_type_get_generic_param_num (MonoType *t)
683 return mono_generic_param_num (t->data.generic_param);
687 * Class information which might be cached by the runtime in the AOT file for
688 * example. Caching this allows us to avoid computing a generic vtable
689 * (class->vtable) in most cases, saving time and avoiding creation of lots of
690 * MonoMethod structures.
692 typedef struct MonoCachedClassInfo {
694 guint has_finalize : 1;
697 guint has_nested_classes : 1;
699 guint has_references : 1;
700 guint has_static_refs : 1;
701 guint no_special_static_fields : 1;
702 guint is_generic_container : 1;
704 MonoImage *finalize_image;
705 guint32 finalize_token;
706 guint32 instance_size;
708 guint32 packing_size;
710 } MonoCachedClassInfo;
715 gconstpointer wrapper;
716 gconstpointer trampoline;
717 MonoMethodSignature *sig;
718 const char *c_symbol;
719 MonoMethod *wrapper_method;
724 mono_class_setup_supertypes (MonoClass *klass);
727 mono_class_setup_fields (MonoClass *klass);
730 * Only call this function if you can ensure both @klass and @parent
731 * have supertype information initialized.
732 * This can be accomplished by mono_class_setup_supertypes or mono_class_init.
733 * If unsure, use mono_class_has_parent.
735 static inline gboolean
736 mono_class_has_parent_fast (MonoClass *klass, MonoClass *parent)
738 return (klass->idepth >= parent->idepth) && (klass->supertypes [parent->idepth - 1] == parent);
741 static inline gboolean
742 mono_class_has_parent (MonoClass *klass, MonoClass *parent)
744 if (G_UNLIKELY (!klass->supertypes))
745 mono_class_setup_supertypes (klass);
747 if (G_UNLIKELY (!parent->supertypes))
748 mono_class_setup_supertypes (parent);
750 return mono_class_has_parent_fast (klass, parent);
754 MonoVTable *default_vtable;
755 MonoVTable *xdomain_vtable;
756 MonoClass *proxy_class;
757 char* proxy_class_name;
758 uint32_t interface_count;
759 MonoClass *interfaces [MONO_ZERO_LEN_ARRAY];
762 #define MONO_SIZEOF_REMOTE_CLASS (sizeof (MonoRemoteClass) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
765 gint32 initialized_class_count;
766 gint32 generic_vtable_count;
767 gint32 used_class_count;
769 gint32 class_vtable_size;
770 gint32 class_static_data_size;
771 gint32 generic_class_count;
772 gint32 inflated_method_count;
773 gint32 inflated_type_count;
774 gint32 delegate_creations;
775 gint32 imt_tables_size;
776 gint32 imt_number_of_tables;
777 gint32 imt_number_of_methods;
778 gint32 imt_used_slots;
779 gint32 imt_slots_with_collisions;
780 gint32 imt_max_collisions_in_slot;
781 gint32 imt_method_count_when_max_collisions;
782 gint32 imt_trampolines_size;
783 gint32 jit_info_table_insert_count;
784 gint32 jit_info_table_remove_count;
785 gint32 jit_info_table_lookup_count;
786 gint32 generics_sharable_methods;
787 gint32 generics_unsharable_methods;
788 gint32 generics_shared_methods;
789 gint32 gsharedvt_methods;
794 * new structure to hold performace counters values that are exported
796 * Note: never remove fields from this structure and only add them to the end.
797 * Size of fields and type should not be changed as well.
805 /* Exceptions category */
806 gint32 exceptions_thrown;
807 gint32 exceptions_filters;
808 gint32 exceptions_finallys;
809 gint32 exceptions_depth;
810 gint32 aspnet_requests_queued;
811 gint32 aspnet_requests;
812 /* Memory category */
813 gint32 gc_collections0;
814 gint32 gc_collections1;
815 gint32 gc_collections2;
816 gint32 gc_promotions0;
817 gint32 gc_promotions1;
818 gint32 gc_promotion_finalizers;
823 gint32 gc_fin_survivors;
824 gint32 gc_num_handles;
828 gint64 gc_total_bytes;
829 gint64 gc_committed_bytes;
830 gint64 gc_reserved_bytes;
831 gint32 gc_num_pinned;
832 gint32 gc_sync_blocks;
833 /* Remoting category */
834 gint32 remoting_calls;
835 gint32 remoting_channels;
836 gint32 remoting_proxies;
837 gint32 remoting_classes;
838 gint32 remoting_objects;
839 gint32 remoting_contexts;
840 /* Loader category */
841 gint32 loader_classes;
842 gint32 loader_total_classes;
843 gint32 loader_appdomains;
844 gint32 loader_total_appdomains;
845 gint32 loader_assemblies;
846 gint32 loader_total_assemblies;
847 gint32 loader_failures;
849 gint32 loader_appdomains_uloaded;
850 /* Threads and Locks category */
851 gint32 thread_contentions;
852 gint32 thread_queue_len;
853 gint32 thread_queue_max;
854 gint32 thread_num_logical;
855 gint32 thread_num_physical;
856 gint32 thread_cur_recognized;
857 gint32 thread_num_recognized;
858 /* Interop category */
859 gint32 interop_num_ccw;
860 gint32 interop_num_stubs;
861 gint32 interop_num_marshals;
862 /* Security category */
863 gint32 security_num_checks;
864 gint32 security_num_link_checks;
865 gint32 security_time;
866 gint32 security_depth;
869 gint64 threadpool_workitems;
870 gint64 threadpool_ioworkitems;
871 gint32 threadpool_threads;
872 gint32 threadpool_iothreads;
875 extern MonoPerfCounters *mono_perfcounters;
877 MONO_API void mono_perfcounters_init (void);
880 * The definition of the first field in SafeHandle,
881 * Keep in sync with SafeHandle.cs, this is only used
882 * to access the `handle' parameter.
890 * Keep in sync with HandleRef.cs
897 extern MonoStats mono_stats;
899 typedef gboolean (*MonoGetCachedClassInfo) (MonoClass *klass, MonoCachedClassInfo *res);
901 typedef gboolean (*MonoGetClassFromName) (MonoImage *image, const char *name_space, const char *name, MonoClass **res);
903 static inline gboolean
904 method_is_dynamic (MonoMethod *method)
906 #ifdef DISABLE_REFLECTION_EMIT
909 return method->dynamic;
914 mono_classes_init (void);
917 mono_classes_cleanup (void);
920 mono_class_layout_fields (MonoClass *klass, int base_instance_size, int packing_size, gboolean sre);
923 mono_class_setup_interface_offsets (MonoClass *klass);
926 mono_class_setup_vtable_general (MonoClass *klass, MonoMethod **overrides, int onum, GList *in_setup);
929 mono_class_setup_vtable (MonoClass *klass);
932 mono_class_setup_methods (MonoClass *klass);
935 mono_class_setup_mono_type (MonoClass *klass);
938 mono_class_setup_parent (MonoClass *klass, MonoClass *parent);
941 mono_class_get_method_by_index (MonoClass *klass, int index);
944 mono_class_get_inflated_method (MonoClass *klass, MonoMethod *method);
947 mono_class_get_vtable_entry (MonoClass *klass, int offset);
950 mono_class_get_implemented_interfaces (MonoClass *klass, MonoError *error);
953 mono_class_get_vtable_size (MonoClass *klass);
956 mono_class_is_open_constructed_type (MonoType *t);
959 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
960 MonoGenericContext *generic_context);
963 mono_class_get_cctor (MonoClass *klass) MONO_LLVM_INTERNAL;
966 mono_class_get_finalizer (MonoClass *klass);
969 mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller);
972 mono_class_field_is_special_static (MonoClassField *field);
975 mono_class_field_get_special_static_type (MonoClassField *field);
978 mono_class_has_special_static_fields (MonoClass *klass);
981 mono_class_get_field_default_value (MonoClassField *field, MonoTypeEnum *def_type);
984 mono_class_get_property_default_value (MonoProperty *property, MonoTypeEnum *def_type);
987 mono_lookup_dynamic_token (MonoImage *image, guint32 token, MonoGenericContext *context, MonoError *error);
990 mono_lookup_dynamic_token_class (MonoImage *image, guint32 token, gboolean check_token, MonoClass **handle_class, MonoGenericContext *context, MonoError *error);
993 mono_runtime_create_jump_trampoline (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper, MonoError *error);
996 mono_runtime_create_delegate_trampoline (MonoClass *klass);
999 mono_install_get_cached_class_info (MonoGetCachedClassInfo func);
1002 mono_install_get_class_from_name (MonoGetClassFromName func);
1004 MONO_PROFILER_API MonoGenericContext*
1005 mono_class_get_context (MonoClass *klass);
1007 MONO_PROFILER_API MonoMethodSignature*
1008 mono_method_signature_checked (MonoMethod *m, MonoError *err);
1011 mono_method_get_context_general (MonoMethod *method, gboolean uninflated);
1013 MONO_PROFILER_API MonoGenericContext*
1014 mono_method_get_context (MonoMethod *method);
1016 /* Used by monodis, thus cannot be MONO_INTERNAL */
1017 MONO_API MonoGenericContainer*
1018 mono_method_get_generic_container (MonoMethod *method);
1021 mono_generic_class_get_context (MonoGenericClass *gclass);
1024 mono_generic_class_get_class (MonoGenericClass *gclass);
1027 mono_method_set_generic_container (MonoMethod *method, MonoGenericContainer* container);
1030 mono_class_inflate_generic_method_full (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context);
1033 mono_class_inflate_generic_method_full_checked (MonoMethod *method, MonoClass *klass_hint, MonoGenericContext *context, MonoError *error);
1036 mono_class_inflate_generic_method_checked (MonoMethod *method, MonoGenericContext *context, MonoError *error);
1039 mono_metadata_get_image_set_for_method (MonoMethodInflated *method);
1041 MONO_API MonoMethodSignature *
1042 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context);
1045 mono_class_inflate_generic_type_with_mempool (MonoImage *image, MonoType *type, MonoGenericContext *context, MonoError *error);
1048 mono_class_inflate_generic_type_checked (MonoType *type, MonoGenericContext *context, MonoError *error);
1051 mono_metadata_free_inflated_signature (MonoMethodSignature *sig);
1053 MonoMethodSignature*
1054 mono_inflate_generic_signature (MonoMethodSignature *sig, MonoGenericContext *context, MonoError *error);
1058 MonoClass *object_class;
1059 MonoClass *byte_class;
1060 MonoClass *void_class;
1061 MonoClass *boolean_class;
1062 MonoClass *sbyte_class;
1063 MonoClass *int16_class;
1064 MonoClass *uint16_class;
1065 MonoClass *int32_class;
1066 MonoClass *uint32_class;
1067 MonoClass *int_class;
1068 MonoClass *uint_class;
1069 MonoClass *int64_class;
1070 MonoClass *uint64_class;
1071 MonoClass *single_class;
1072 MonoClass *double_class;
1073 MonoClass *char_class;
1074 MonoClass *string_class;
1075 MonoClass *enum_class;
1076 MonoClass *array_class;
1077 MonoClass *delegate_class;
1078 MonoClass *multicastdelegate_class;
1079 MonoClass *asyncresult_class;
1080 MonoClass *manualresetevent_class;
1081 MonoClass *typehandle_class;
1082 MonoClass *fieldhandle_class;
1083 MonoClass *methodhandle_class;
1084 MonoClass *systemtype_class;
1085 MonoClass *runtimetype_class;
1086 MonoClass *exception_class;
1087 MonoClass *threadabortexception_class;
1088 MonoClass *thread_class;
1089 MonoClass *internal_thread_class;
1090 #ifndef DISABLE_REMOTING
1091 MonoClass *transparent_proxy_class;
1092 MonoClass *real_proxy_class;
1093 MonoClass *marshalbyrefobject_class;
1094 MonoClass *iremotingtypeinfo_class;
1096 MonoClass *mono_method_message_class;
1097 MonoClass *appdomain_class;
1098 MonoClass *field_info_class;
1099 MonoClass *method_info_class;
1100 MonoClass *stringbuilder_class;
1101 MonoClass *math_class;
1102 MonoClass *stack_frame_class;
1103 MonoClass *stack_trace_class;
1104 MonoClass *marshal_class;
1105 MonoClass *typed_reference_class;
1106 MonoClass *argumenthandle_class;
1107 MonoClass *monitor_class;
1108 MonoClass *generic_ilist_class;
1109 MonoClass *generic_nullable_class;
1110 MonoClass *handleref_class;
1111 MonoClass *attribute_class;
1112 MonoClass *customattribute_data_class;
1113 MonoClass *critical_finalizer_object; /* MAYBE NULL */
1114 MonoClass *generic_ireadonlylist_class;
1115 MonoClass *threadpool_wait_callback_class;
1116 MonoMethod *threadpool_perform_wait_callback_method;
1119 #ifdef DISABLE_REMOTING
1120 #define mono_class_is_transparent_proxy(klass) (FALSE)
1121 #define mono_class_is_real_proxy(klass) (FALSE)
1123 #define mono_class_is_transparent_proxy(klass) ((klass) == mono_defaults.transparent_proxy_class)
1124 #define mono_class_is_real_proxy(klass) ((klass) == mono_defaults.real_proxy_class)
1127 #define mono_object_is_transparent_proxy(object) (mono_class_is_transparent_proxy (mono_object_class (object)))
1130 #define GENERATE_GET_CLASS_WITH_CACHE_DECL(shortname) \
1131 MonoClass* mono_class_get_##shortname##_class (void);
1133 #define GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL(shortname) \
1134 MonoClass* mono_class_try_get_##shortname##_class (void);
1136 #define GENERATE_GET_CLASS_WITH_CACHE(shortname,name_space,name) \
1138 mono_class_get_##shortname##_class (void) \
1140 static MonoClass *tmp_class; \
1141 MonoClass *klass = tmp_class; \
1143 klass = mono_class_load_from_name (mono_defaults.corlib, name_space, name); \
1144 mono_memory_barrier (); \
1145 tmp_class = klass; \
1150 #define GENERATE_TRY_GET_CLASS_WITH_CACHE(shortname,name_space,name) \
1152 mono_class_try_get_##shortname##_class (void) \
1154 static volatile MonoClass *tmp_class; \
1155 static volatile gboolean inited; \
1156 MonoClass *klass = (MonoClass *)tmp_class; \
1157 mono_memory_barrier (); \
1159 klass = mono_class_try_load_from_name (mono_defaults.corlib, name_space, name); \
1160 tmp_class = klass; \
1161 mono_memory_barrier (); \
1167 GENERATE_TRY_GET_CLASS_WITH_CACHE_DECL (safehandle)
1171 GENERATE_GET_CLASS_WITH_CACHE_DECL (interop_proxy)
1172 GENERATE_GET_CLASS_WITH_CACHE_DECL (idispatch)
1173 GENERATE_GET_CLASS_WITH_CACHE_DECL (iunknown)
1174 GENERATE_GET_CLASS_WITH_CACHE_DECL (com_object)
1175 GENERATE_GET_CLASS_WITH_CACHE_DECL (variant)
1179 GENERATE_GET_CLASS_WITH_CACHE_DECL (appdomain_unloaded_exception)
1181 extern MonoDefaults mono_defaults;
1184 mono_loader_init (void);
1187 mono_loader_cleanup (void);
1190 mono_loader_lock (void) MONO_LLVM_INTERNAL;
1193 mono_loader_unlock (void) MONO_LLVM_INTERNAL;
1196 mono_loader_lock_track_ownership (gboolean track);
1199 mono_loader_lock_is_owned_by_self (void);
1202 mono_loader_lock_if_inited (void);
1205 mono_loader_unlock_if_inited (void);
1208 mono_reflection_init (void);
1211 mono_icall_init (void);
1214 mono_icall_cleanup (void);
1217 mono_method_get_wrapper_data (MonoMethod *method, guint32 id);
1220 mono_metadata_has_generic_params (MonoImage *image, guint32 token);
1222 MONO_API MonoGenericContainer *
1223 mono_metadata_load_generic_params (MonoImage *image, guint32 token,
1224 MonoGenericContainer *parent_container);
1227 mono_metadata_load_generic_param_constraints_checked (MonoImage *image, guint32 token,
1228 MonoGenericContainer *container, MonoError *error);
1230 MonoMethodSignature*
1231 mono_create_icall_signature (const char *sigstr);
1234 mono_register_jit_icall (gconstpointer func, const char *name, MonoMethodSignature *sig, gboolean is_save);
1237 mono_register_jit_icall_full (gconstpointer func, const char *name, MonoMethodSignature *sig, gboolean is_save, gboolean no_raise, const char *c_symbol);
1240 mono_register_jit_icall_wrapper (MonoJitICallInfo *info, gconstpointer wrapper);
1243 mono_find_jit_icall_by_name (const char *name) MONO_LLVM_INTERNAL;
1246 mono_find_jit_icall_by_addr (gconstpointer addr) MONO_LLVM_INTERNAL;
1249 mono_get_jit_icall_info (void);
1252 mono_lookup_jit_icall_symbol (const char *name);
1255 mono_class_set_type_load_failure (MonoClass *klass, const char * fmt, ...) MONO_ATTR_FORMAT_PRINTF(2,3);
1258 mono_class_get_exception_for_failure (MonoClass *klass);
1261 mono_type_get_name_full (MonoType *type, MonoTypeNameFormat format);
1264 mono_type_get_full_name (MonoClass *klass);
1267 mono_method_get_name_full (MonoMethod *method, gboolean signature, gboolean ret, MonoTypeNameFormat format);
1270 mono_method_get_full_name (MonoMethod *method);
1272 MonoArrayType *mono_dup_array_type (MonoImage *image, MonoArrayType *a);
1273 MonoMethodSignature *mono_metadata_signature_deep_dup (MonoImage *image, MonoMethodSignature *sig);
1276 mono_image_init_name_cache (MonoImage *image);
1278 gboolean mono_class_is_nullable (MonoClass *klass);
1279 MonoClass *mono_class_get_nullable_param (MonoClass *klass);
1281 /* object debugging functions, for use inside gdb */
1282 MONO_API void mono_object_describe (MonoObject *obj);
1283 MONO_API void mono_object_describe_fields (MonoObject *obj);
1284 MONO_API void mono_value_describe_fields (MonoClass* klass, const char* addr);
1285 MONO_API void mono_class_describe_statics (MonoClass* klass);
1287 /* method debugging functions, for use inside gdb */
1288 MONO_API void mono_method_print_code (MonoMethod *method);
1290 MONO_PROFILER_API char *mono_signature_full_name (MonoMethodSignature *sig);
1292 /*Enum validation related functions*/
1294 mono_type_is_valid_enum_basetype (MonoType * type);
1297 mono_class_is_valid_enum (MonoClass *klass);
1299 MONO_PROFILER_API gboolean
1300 mono_type_is_primitive (MonoType *type);
1303 mono_type_get_checked (MonoImage *image, guint32 type_token, MonoGenericContext *context, MonoError *error);
1306 mono_generic_class_is_generic_type_definition (MonoGenericClass *gklass);
1309 mono_class_get_method_generic (MonoClass *klass, MonoMethod *method);
1312 mono_type_get_basic_type_from_generic (MonoType *type);
1315 mono_method_can_access_method_full (MonoMethod *method, MonoMethod *called, MonoClass *context_klass);
1318 mono_method_can_access_field_full (MonoMethod *method, MonoClassField *field, MonoClass *context_klass);
1321 mono_class_can_access_class (MonoClass *access_class, MonoClass *target_class);
1324 mono_class_get_generic_type_definition (MonoClass *klass);
1327 mono_class_has_parent_and_ignore_generics (MonoClass *klass, MonoClass *parent);
1330 mono_method_get_vtable_slot (MonoMethod *method);
1333 mono_method_get_vtable_index (MonoMethod *method);
1336 mono_method_get_base_method (MonoMethod *method, gboolean definition, MonoError *error);
1339 mono_method_search_in_array_class (MonoClass *klass, const char *name, MonoMethodSignature *sig);
1342 mono_class_setup_interface_id (MonoClass *klass);
1344 MonoGenericContainer*
1345 mono_class_get_generic_container (MonoClass *klass);
1348 mono_class_alloc (MonoClass *klass, int size);
1351 mono_class_alloc0 (MonoClass *klass, int size);
1354 mono_class_setup_interfaces (MonoClass *klass, MonoError *error);
1357 mono_class_get_field_from_name_full (MonoClass *klass, const char *name, MonoType *type);
1360 mono_class_vtable_full (MonoDomain *domain, MonoClass *klass, MonoError *error);
1363 mono_class_is_assignable_from_slow (MonoClass *target, MonoClass *candidate);
1366 mono_class_has_variant_generic_params (MonoClass *klass);
1369 mono_class_is_variant_compatible (MonoClass *klass, MonoClass *oklass, gboolean check_for_reference_conv);
1371 gboolean mono_is_corlib_image (MonoImage *image);
1374 mono_field_get_type_checked (MonoClassField *field, MonoError *error);
1377 mono_class_get_fields_lazy (MonoClass* klass, gpointer *iter);
1380 mono_class_check_vtable_constraints (MonoClass *klass, GList *in_setup);
1383 mono_class_has_finalizer (MonoClass *klass);
1386 mono_unload_interface_id (MonoClass *klass);
1389 mono_class_get_methods_by_name (MonoClass *klass, const char *name, guint32 bflags, gboolean ignore_case, gboolean allow_ctors, MonoError *error);
1392 mono_class_full_name (MonoClass *klass);
1395 mono_class_inflate_generic_class_checked (MonoClass *gklass, MonoGenericContext *context, MonoError *error);
1398 mono_class_get_checked (MonoImage *image, guint32 type_token, MonoError *error);
1401 mono_class_get_and_inflate_typespec_checked (MonoImage *image, guint32 type_token, MonoGenericContext *context, MonoError *error);
1404 mono_class_from_name_checked (MonoImage *image, const char* name_space, const char *name, MonoError *error);
1407 mono_class_from_name_case_checked (MonoImage *image, const char* name_space, const char *name, MonoError *error);
1410 mono_field_from_token_checked (MonoImage *image, uint32_t token, MonoClass **retklass, MonoGenericContext *context, MonoError *error);
1413 mono_ldtoken_checked (MonoImage *image, guint32 token, MonoClass **handle_class, MonoGenericContext *context, MonoError *error);
1416 mono_class_from_generic_parameter_internal (MonoGenericParam *param);
1419 get_image_for_generic_param (MonoGenericParam *param);
1422 make_generic_name_string (MonoImage *image, int num);
1425 mono_class_load_from_name (MonoImage *image, const char* name_space, const char *name) MONO_LLVM_INTERNAL;
1428 mono_class_try_load_from_name (MonoImage *image, const char* name_space, const char *name);
1431 mono_error_set_for_class_failure (MonoError *orerror, const MonoClass *klass);
1434 mono_class_has_failure (const MonoClass *klass);
1436 /* Kind specific accessors */
1438 mono_class_get_generic_class (MonoClass *klass);
1441 mono_class_try_get_generic_class (MonoClass *klass);
1444 mono_class_set_flags (MonoClass *klass, guint32 flags);
1446 MonoGenericContainer*
1447 mono_class_try_get_generic_container (MonoClass *klass);
1450 mono_class_set_generic_container (MonoClass *klass, MonoGenericContainer *container);
1453 mono_class_gtd_get_canonical_inst (MonoClass *klass);
1456 mono_class_get_first_method_idx (MonoClass *klass);
1459 mono_class_set_first_method_idx (MonoClass *klass, guint32 idx);
1462 mono_class_get_first_field_idx (MonoClass *klass);
1465 mono_class_set_first_field_idx (MonoClass *klass, guint32 idx);
1468 mono_class_get_method_count (MonoClass *klass);
1471 mono_class_set_method_count (MonoClass *klass, guint32 count);
1474 mono_class_get_field_count (MonoClass *klass);
1477 mono_class_set_field_count (MonoClass *klass, guint32 count);
1480 mono_class_get_marshal_info (MonoClass *class);
1483 mono_class_set_marshal_info (MonoClass *class, MonoMarshalType *marshal_info);
1486 mono_class_get_ref_info_handle (MonoClass *class);
1489 mono_class_set_ref_info_handle (MonoClass *class, guint32 value);
1492 mono_class_get_exception_data (MonoClass *klass);
1495 mono_class_set_exception_data (MonoClass *klass, MonoErrorBoxed *value);
1498 mono_class_get_nested_classes_property (MonoClass *klass);
1501 mono_class_set_nested_classes_property (MonoClass *klass, GList *value);
1503 MonoClassPropertyInfo*
1504 mono_class_get_property_info (MonoClass *klass);
1507 mono_class_set_property_info (MonoClass *klass, MonoClassPropertyInfo *info);
1510 mono_class_get_event_info (MonoClass *klass);
1513 mono_class_set_event_info (MonoClass *klass, MonoClassEventInfo *info);
1515 MonoFieldDefaultValue*
1516 mono_class_get_field_def_values (MonoClass *klass);
1519 mono_class_set_field_def_values (MonoClass *klass, MonoFieldDefaultValue *values);
1522 mono_class_get_declsec_flags (MonoClass *class);
1525 mono_class_set_declsec_flags (MonoClass *class, guint32 value);
1528 mono_class_set_is_com_object (MonoClass *klass);
1530 /*Now that everything has been defined, let's include the inline functions */
1531 #include <mono/metadata/class-inlines.h>
1533 #endif /* __MONO_METADATA_CLASS_INTERNALS_H__ */