/
class-internals.h
1480 lines (1202 loc) · 44 KB
/
class-internals.h
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/*
* Copyright 2012 Xamarin Inc
*/
#ifndef __MONO_METADATA_CLASS_INTERNALS_H__
#define __MONO_METADATA_CLASS_INTERNALS_H__
#include <mono/metadata/class.h>
#include <mono/metadata/object.h>
#include <mono/metadata/mempool.h>
#include <mono/metadata/metadata-internals.h>
#include <mono/io-layer/io-layer.h>
#include "mono/utils/mono-compiler.h"
#include "mono/utils/mono-error.h"
#include "mono/sgen/gc-internal-agnostic.h"
#define MONO_CLASS_IS_ARRAY(c) ((c)->rank)
#define MONO_CLASS_HAS_STATIC_METADATA(klass) ((klass)->type_token && !(klass)->image->dynamic && !(klass)->generic_class)
#define MONO_DEFAULT_SUPERTABLE_SIZE 6
extern gboolean mono_print_vtable;
extern gboolean mono_align_small_structs;
typedef struct _MonoMethodWrapper MonoMethodWrapper;
typedef struct _MonoMethodInflated MonoMethodInflated;
typedef struct _MonoMethodPInvoke MonoMethodPInvoke;
/* Properties that applies to a group of structs should better use a higher number
* to avoid colision with type specific properties.
*
* This prop applies to class, method, property, event, assembly and image.
*/
#define MONO_PROP_DYNAMIC_CATTR 0x1000
#ifdef ENABLE_ICALL_EXPORT
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
#define ICALL_EXPORT MONO_API
#else
#define ICALL_EXPORT static
#endif
typedef enum {
#define WRAPPER(e,n) MONO_WRAPPER_ ## e,
#include "wrapper-types.h"
#undef WRAPPER
MONO_WRAPPER_NUM
} MonoWrapperType;
typedef enum {
MONO_TYPE_NAME_FORMAT_IL,
MONO_TYPE_NAME_FORMAT_REFLECTION,
MONO_TYPE_NAME_FORMAT_FULL_NAME,
MONO_TYPE_NAME_FORMAT_ASSEMBLY_QUALIFIED
} MonoTypeNameFormat;
typedef enum {
MONO_REMOTING_TARGET_UNKNOWN,
MONO_REMOTING_TARGET_APPDOMAIN,
MONO_REMOTING_TARGET_COMINTEROP
} MonoRemotingTarget;
#define MONO_METHOD_PROP_GENERIC_CONTAINER 0
struct _MonoMethod {
guint16 flags; /* method flags */
guint16 iflags; /* method implementation flags */
guint32 token;
MonoClass *klass; /* To what class does this method belong */
MonoMethodSignature *signature;
/* name is useful mostly for debugging */
const char *name;
/* this is used by the inlining algorithm */
unsigned int inline_info:1;
unsigned int inline_failure:1;
unsigned int wrapper_type:5;
unsigned int string_ctor:1;
unsigned int save_lmf:1;
unsigned int dynamic:1; /* created & destroyed during runtime */
unsigned int sre_method:1; /* created at runtime using Reflection.Emit */
unsigned int is_generic:1; /* whenever this is a generic method definition */
unsigned int is_inflated:1; /* whether we're a MonoMethodInflated */
unsigned int skip_visibility:1; /* whenever to skip JIT visibility checks */
unsigned int verification_success:1; /* whether this method has been verified successfully.*/
signed int slot : 16;
/*
* If is_generic is TRUE, the generic_container is stored in image->property_hash,
* using the key MONO_METHOD_PROP_GENERIC_CONTAINER.
*/
};
struct _MonoMethodWrapper {
MonoMethod method;
MonoMethodHeader *header;
void *method_data;
};
struct _MonoMethodPInvoke {
MonoMethod method;
gpointer addr;
/* add marshal info */
guint16 piflags; /* pinvoke flags */
guint16 implmap_idx; /* index into IMPLMAP */
};
/*
* Stores the default value / RVA of fields.
* This information is rarely needed, so it is stored separately from
* MonoClassField.
*/
typedef struct MonoFieldDefaultValue {
/*
* If the field is constant, pointer to the metadata constant
* value.
* If the field has an RVA flag, pointer to the data.
* Else, invalid.
*/
const char *data;
/* If the field is constant, the type of the constant. */
MonoTypeEnum def_type;
} MonoFieldDefaultValue;
/*
* MonoClassField is just a runtime representation of the metadata for
* field, it doesn't contain the data directly. Static fields are
* stored in MonoVTable->data. Instance fields are allocated in the
* objects after the object header.
*/
struct _MonoClassField {
/* Type of the field */
MonoType *type;
const char *name;
/* Type where the field was defined */
MonoClass *parent;
/*
* Offset where this field is stored; if it is an instance
* field, it's the offset from the start of the object, if
* it's static, it's from the start of the memory chunk
* allocated for statics for the class.
* For special static fields, this is set to -1 during vtable construction.
*/
int offset;
};
/* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
#define mono_field_is_deleted(field) (((field)->type->attrs & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
&& (strcmp (mono_field_get_name (field), "_Deleted") == 0))
/* a field is ignored if it's named "_Deleted" and it has the specialname and rtspecialname flags set */
/* Try to avoid loading the field's type */
#define mono_field_is_deleted_with_flags(field, flags) (((flags) & (FIELD_ATTRIBUTE_SPECIAL_NAME | FIELD_ATTRIBUTE_RT_SPECIAL_NAME)) \
&& (strcmp (mono_field_get_name (field), "_Deleted") == 0))
typedef struct {
MonoClassField *field;
guint32 offset;
MonoMarshalSpec *mspec;
} MonoMarshalField;
typedef struct {
guint32 native_size, min_align;
guint32 num_fields;
MonoMethod *ptr_to_str;
MonoMethod *str_to_ptr;
MonoMarshalField fields [MONO_ZERO_LEN_ARRAY];
} MonoMarshalType;
#define MONO_SIZEOF_MARSHAL_TYPE (offsetof (MonoMarshalType, fields))
struct _MonoProperty {
MonoClass *parent;
const char *name;
MonoMethod *get;
MonoMethod *set;
guint32 attrs;
};
struct _MonoEvent {
MonoClass *parent;
const char *name;
MonoMethod *add;
MonoMethod *remove;
MonoMethod *raise;
#ifndef MONO_SMALL_CONFIG
MonoMethod **other;
#endif
guint32 attrs;
};
/* type of exception being "on hold" for later processing (see exception_type) */
enum {
MONO_EXCEPTION_NONE = 0,
MONO_EXCEPTION_INVALID_PROGRAM = 3,
MONO_EXCEPTION_UNVERIFIABLE_IL = 4,
MONO_EXCEPTION_MISSING_METHOD = 5,
MONO_EXCEPTION_MISSING_FIELD = 6,
MONO_EXCEPTION_TYPE_LOAD = 7,
MONO_EXCEPTION_FILE_NOT_FOUND = 8,
MONO_EXCEPTION_METHOD_ACCESS = 9,
MONO_EXCEPTION_FIELD_ACCESS = 10,
MONO_EXCEPTION_GENERIC_SHARING_FAILED = 11,
MONO_EXCEPTION_BAD_IMAGE = 12,
MONO_EXCEPTION_OBJECT_SUPPLIED = 13, /*The exception object is already created.*/
MONO_EXCEPTION_OUT_OF_MEMORY = 14,
MONO_EXCEPTION_INLINE_FAILED = 15,
MONO_EXCEPTION_MONO_ERROR = 16,
/* add other exception type */
};
/* This struct collects the info needed for the runtime use of a class,
* like the vtables for a domain, the GC descriptor, etc.
*/
typedef struct {
guint16 max_domain;
/* domain_vtables is indexed by the domain id and the size is max_domain + 1 */
MonoVTable *domain_vtables [MONO_ZERO_LEN_ARRAY];
} MonoClassRuntimeInfo;
#define MONO_SIZEOF_CLASS_RUNTIME_INFO (sizeof (MonoClassRuntimeInfo) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
#define MONO_CLASS_PROP_EXCEPTION_DATA 0
/*
* This structure contains the rarely used fields of MonoClass
* Since using just one field causes the whole structure to be allocated, it should
* be used for fields which are only used in like 5% of all classes.
*/
typedef struct {
struct {
#if MONO_SMALL_CONFIG
guint16 first, count;
#else
guint32 first, count;
#endif
} property, event;
/* Initialized by a call to mono_class_setup_properties () */
MonoProperty *properties;
/* Initialized by a call to mono_class_setup_events () */
MonoEvent *events;
guint32 declsec_flags; /* declarative security attributes flags */
/* Default values/RVA for fields and properties */
/* Accessed using mono_class_get_field_default_value () / mono_field_get_data () */
MonoFieldDefaultValue *field_def_values;
MonoFieldDefaultValue *prop_def_values;
GList *nested_classes;
} MonoClassExt;
struct _MonoClass {
/* element class for arrays and enum basetype for enums */
MonoClass *element_class;
/* used for subtype checks */
MonoClass *cast_class;
/* for fast subtype checks */
MonoClass **supertypes;
guint16 idepth;
/* array dimension */
guint8 rank;
int instance_size; /* object instance size */
guint inited : 1;
/* We use init_pending to detect cyclic calls to mono_class_init */
guint init_pending : 1;
/* A class contains static and non static data. Static data can be
* of the same type as the class itselfs, but it does not influence
* the instance size of the class. To avoid cyclic calls to
* mono_class_init (from mono_class_instance_size ()) we first
* initialise all non static fields. After that we set size_inited
* to 1, because we know the instance size now. After that we
* initialise all static fields.
*/
/* size_inited is accessed without locks, so it needs a memory barrier */
guint size_inited : 1;
guint valuetype : 1; /* derives from System.ValueType */
guint enumtype : 1; /* derives from System.Enum */
guint blittable : 1; /* class is blittable */
guint unicode : 1; /* class uses unicode char when marshalled */
guint wastypebuilder : 1; /* class was created at runtime from a TypeBuilder */
/* next byte */
guint8 min_align;
/* next byte */
guint packing_size : 4;
guint ghcimpl : 1; /* class has its own GetHashCode impl */
guint has_finalize : 1; /* class has its own Finalize impl */
#ifndef DISABLE_REMOTING
guint marshalbyref : 1; /* class is a MarshalByRefObject */
guint contextbound : 1; /* class is a ContextBoundObject */
#endif
/* next byte */
guint delegate : 1; /* class is a Delegate */
guint gc_descr_inited : 1; /* gc_descr is initialized */
guint has_cctor : 1; /* class has a cctor */
guint has_references : 1; /* it has GC-tracked references in the instance */
guint has_static_refs : 1; /* it has static fields that are GC-tracked */
guint no_special_static_fields : 1; /* has no thread/context static fields */
/* directly or indirectly derives from ComImport attributed class.
* this means we need to create a proxy for instances of this class
* for COM Interop. set this flag on loading so all we need is a quick check
* during object creation rather than having to traverse supertypes
*/
guint is_com_object : 1;
guint nested_classes_inited : 1; /* Whenever nested_class is initialized */
/* next byte*/
guint interfaces_inited : 1; /* interfaces is initialized */
guint simd_type : 1; /* class is a simd intrinsic type */
guint is_generic : 1; /* class is a generic type definition */
guint is_inflated : 1; /* class is a generic instance */
guint has_finalize_inited : 1; /* has_finalize is initialized */
guint fields_inited : 1; /* fields is initialized */
guint setup_fields_called : 1; /* to prevent infinite loops in setup_fields */
guint8 exception_type; /* MONO_EXCEPTION_* */
/* Additional information about the exception */
/* Stored as property MONO_CLASS_PROP_EXCEPTION_DATA */
//void *exception_data;
MonoClass *parent;
MonoClass *nested_in;
MonoImage *image;
const char *name;
const char *name_space;
guint32 type_token;
int vtable_size; /* number of slots */
guint16 interface_count;
guint16 interface_id; /* unique inderface id (for interfaces) */
guint16 max_interface_id;
guint16 interface_offsets_count;
MonoClass **interfaces_packed;
guint16 *interface_offsets_packed;
/* enabled only with small config for now: we might want to do it unconditionally */
#ifdef MONO_SMALL_CONFIG
#define COMPRESSED_INTERFACE_BITMAP 1
#endif
guint8 *interface_bitmap;
MonoClass **interfaces;
union {
int class_size; /* size of area for static fields */
int element_size; /* for array types */
int generic_param_token; /* for generic param types, both var and mvar */
} sizes;
/*
* From the TypeDef table
*/
guint32 flags;
struct {
#if MONO_SMALL_CONFIG
guint16 first, count;
#else
guint32 first, count;
#endif
} field, method;
/* A GC handle pointing to the corresponding type builder/generic param builder */
guint32 ref_info_handle;
/* loaded on demand */
MonoMarshalType *marshal_info;
/*
* Field information: Type and location from object base
*/
MonoClassField *fields;
MonoMethod **methods;
/* used as the type of the this argument and when passing the arg by value */
MonoType this_arg;
MonoType byval_arg;
MonoGenericClass *generic_class;
MonoGenericContainer *generic_container;
MonoGCDescriptor gc_descr;
MonoClassRuntimeInfo *runtime_info;
/* next element in the class_cache hash list (in MonoImage) */
MonoClass *next_class_cache;
/* Generic vtable. Initialized by a call to mono_class_setup_vtable () */
MonoMethod **vtable;
/* Rarely used fields of classes */
MonoClassExt *ext;
};
#ifdef COMPRESSED_INTERFACE_BITMAP
int mono_compress_bitmap (uint8_t *dest, const uint8_t *bitmap, int size);
int mono_class_interface_match (const uint8_t *bitmap, int id);
#else
#define mono_class_interface_match(bmap,uiid) ((bmap) [(uiid) >> 3] & (1 << ((uiid)&7)))
#endif
#define MONO_CLASS_IMPLEMENTS_INTERFACE(k,uiid) (((uiid) <= (k)->max_interface_id) && mono_class_interface_match ((k)->interface_bitmap, (uiid)))
#define MONO_VTABLE_AVAILABLE_GC_BITS 4
#ifdef DISABLE_REMOTING
#define mono_class_is_marshalbyref(klass) (FALSE)
#define mono_class_is_contextbound(klass) (FALSE)
#define mono_vtable_is_remote(vtable) (FALSE)
#define mono_vtable_set_is_remote(vtable,enable) do {} while (0)
#else
#define mono_class_is_marshalbyref(klass) ((klass)->marshalbyref)
#define mono_class_is_contextbound(klass) ((klass)->contextbound)
#define mono_vtable_is_remote(vtable) ((vtable)->remote)
#define mono_vtable_set_is_remote(vtable,enable) do { (vtable)->remote = enable ? 1 : 0; } while (0)
#endif
#ifdef DISABLE_COM
#define mono_class_is_com_object(klass) (FALSE)
#define mono_class_set_is_com_object(klass) do {} while (0)
#else
#define mono_class_is_com_object(klass) ((klass)->is_com_object)
#define mono_class_set_is_com_object(klass) do { (klass)->is_com_object = 1; } while (0)
#endif
MONO_API int mono_class_interface_offset (MonoClass *klass, MonoClass *itf);
int mono_class_interface_offset_with_variance (MonoClass *klass, MonoClass *itf, gboolean *non_exact_match);
typedef gpointer MonoRuntimeGenericContext;
/* the interface_offsets array is stored in memory before this struct */
struct MonoVTable {
MonoClass *klass;
/*
* According to comments in gc_gcj.h, this should be the second word in
* the vtable.
*/
MonoGCDescriptor gc_descr;
MonoDomain *domain; /* each object/vtable belongs to exactly one domain */
gpointer type; /* System.Type type for klass */
guint8 *interface_bitmap;
guint16 max_interface_id;
guint8 rank;
guint remote : 1; /* class is remotely activated */
guint initialized : 1; /* cctor has been run */
guint init_failed : 1; /* cctor execution failed */
guint has_static_fields : 1; /* pointer to the data stored at the end of the vtable array */
guint gc_bits : MONO_VTABLE_AVAILABLE_GC_BITS; /* Those bits are reserved for the usaged of the GC */
guint32 imt_collisions_bitmap;
MonoRuntimeGenericContext *runtime_generic_context;
/* do not add any fields after vtable, the structure is dynamically extended */
/* vtable contains function pointers to methods or their trampolines, at the
end there may be a slot containing the pointer to the static fields */
gpointer vtable [MONO_ZERO_LEN_ARRAY];
};
#define MONO_SIZEOF_VTABLE (sizeof (MonoVTable) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
#define MONO_VTABLE_IMPLEMENTS_INTERFACE(vt,uiid) (((uiid) <= (vt)->max_interface_id) && mono_class_interface_match ((vt)->interface_bitmap, (uiid)))
/*
* Generic instantiation data type encoding.
*/
/*
* A particular generic instantiation:
*
* All instantiations are cached and we don't distinguish between class and method
* instantiations here.
*/
struct _MonoGenericInst {
#ifndef MONO_SMALL_CONFIG
guint id; /* unique ID for debugging */
#endif
guint type_argc : 22; /* number of type arguments */
guint is_open : 1; /* if this is an open type */
MonoType *type_argv [MONO_ZERO_LEN_ARRAY];
};
#define MONO_SIZEOF_GENERIC_INST (sizeof (MonoGenericInst) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
/*
* The generic context: an instantiation of a set of class and method generic parameters.
*
* NOTE: Never allocate this directly on the heap. It have to be either allocated on the stack,
* or embedded within other objects. Don't store pointers to this, because it may be on the stack.
* If you really have to, ensure you store a pointer to the embedding object along with it.
*/
struct _MonoGenericContext {
/* The instantiation corresponding to the class generic parameters */
MonoGenericInst *class_inst;
/* The instantiation corresponding to the method generic parameters */
MonoGenericInst *method_inst;
};
/*
* Inflated generic method.
*/
struct _MonoMethodInflated {
union {
MonoMethod method;
MonoMethodPInvoke pinvoke;
} method;
MonoMethodHeader *header;
MonoMethod *declaring; /* the generic method definition. */
MonoGenericContext context; /* The current instantiation */
MonoImageSet *owner; /* The image set that the inflated method belongs to. */
};
/*
* A particular instantiation of a generic type.
*/
struct _MonoGenericClass {
MonoClass *container_class; /* the generic type definition */
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 */
guint is_dynamic : 1; /* We're a MonoDynamicGenericClass */
guint is_tb_open : 1; /* This is the fully open instantiation for a type_builder. Quite ugly, but it's temporary.*/
MonoClass *cached_class; /* if present, the MonoClass corresponding to the instantiation. */
/*
* The image set which owns this generic class. Memory owned by the generic class
* including cached_class should be allocated from the mempool of the image set,
* so it is easy to free.
*/
MonoImageSet *owner;
};
/*
* This is used when instantiating a generic type definition which is
* a TypeBuilder.
*/
struct _MonoDynamicGenericClass {
MonoGenericClass generic_class;
int count_fields;
MonoClassField *fields;
guint initialized;
/* The non-inflated types of the fields */
MonoType **field_generic_types;
/* The managed objects representing the fields */
MonoObject **field_objects;
};
/*
* A type parameter.
*/
struct _MonoGenericParam {
/*
* Type or method this parameter was defined in.
*/
MonoGenericContainer *owner;
guint16 num;
/*
* If != NULL, this is a generated generic param used by the JIT to implement generic
* sharing.
*/
MonoType *gshared_constraint;
};
/* Additional details about a MonoGenericParam */
typedef struct {
MonoClass *pklass; /* The corresponding `MonoClass'. */
const char *name;
// See GenericParameterAttributes
guint16 flags;
guint32 token;
// Constraints on type parameters
MonoClass** constraints; /* NULL means end of list */
} MonoGenericParamInfo;
typedef struct {
MonoGenericParam param;
MonoGenericParamInfo info;
} MonoGenericParamFull;
/*
* The generic container.
*
* Stores the type parameters of a generic type definition or a generic method definition.
*/
struct _MonoGenericContainer {
MonoGenericContext context;
/* If we're a generic method definition in a generic type definition,
the generic container of the containing class. */
MonoGenericContainer *parent;
/* the generic type definition or the generic method definition corresponding to this container */
/* Union rules: If is_anonymous, image field is valid; else if is_method, method field is valid; else klass is valid. */
union {
MonoClass *klass;
MonoMethod *method;
MonoImage *image;
} owner;
int type_argc : 29; // Per the ECMA spec, this value is capped at 16 bits
/* If true, we're a generic method, otherwise a generic type definition. */
/* Invariant: parent != NULL => is_method */
int is_method : 1;
/* If true, this container has no associated class/method and only the image is known. This can happen:
1. For the special anonymous containers kept by MonoImage.
2. During container creation via the mono_metadata_load_generic_params path-- in this case the caller
sets the owner, so temporarily while load_generic_params is completing the container is anonymous.
3. When user code creates a generic parameter via SRE, but has not yet set an owner. */
int is_anonymous : 1;
/* If false, all params in this container are full-size. If true, all params are just param structs. */
/* This field is always == to the is_anonymous field, except in "temporary" cases (2) and (3) above. */
/* TODO: Merge GenericParam and GenericParamFull, remove this field. Benefit is marginal. */
int is_small_param : 1;
/* Our type parameters. */
MonoGenericParamFull *type_params;
};
static inline MonoGenericParam *
mono_generic_container_get_param (MonoGenericContainer *gc, int i)
{
return (MonoGenericParam *) &gc->type_params [i];
}
static inline MonoGenericParamInfo *
mono_generic_container_get_param_info (MonoGenericContainer *gc, int i)
{
return &gc->type_params [i].info;
}
static inline MonoGenericContainer *
mono_generic_param_owner (MonoGenericParam *p)
{
return p->owner;
}
static inline int
mono_generic_param_num (MonoGenericParam *p)
{
return p->num;
}
static inline gboolean
mono_generic_param_is_fullsize (MonoGenericParam *p)
{
return !mono_generic_param_owner (p)->is_small_param;
}
static inline MonoGenericParamInfo *
mono_generic_param_info (MonoGenericParam *p)
{
if (mono_generic_param_is_fullsize (p))
return &((MonoGenericParamFull *) p)->info;
return NULL;
}
static inline const char *
mono_generic_param_name (MonoGenericParam *p)
{
if (mono_generic_param_is_fullsize (p))
return ((MonoGenericParamFull *) p)->info.name;
return NULL;
}
static inline MonoGenericContainer *
mono_type_get_generic_param_owner (MonoType *t)
{
return mono_generic_param_owner (t->data.generic_param);
}
static inline int
mono_type_get_generic_param_num (MonoType *t)
{
return mono_generic_param_num (t->data.generic_param);
}
/*
* Class information which might be cached by the runtime in the AOT file for
* example. Caching this allows us to avoid computing a generic vtable
* (class->vtable) in most cases, saving time and avoiding creation of lots of
* MonoMethod structures.
*/
typedef struct MonoCachedClassInfo {
guint32 vtable_size;
guint has_finalize : 1;
guint ghcimpl : 1;
guint has_cctor : 1;
guint has_nested_classes : 1;
guint blittable : 1;
guint has_references : 1;
guint has_static_refs : 1;
guint no_special_static_fields : 1;
guint is_generic_container : 1;
guint32 cctor_token;
MonoImage *finalize_image;
guint32 finalize_token;
guint32 instance_size;
guint32 class_size;
guint32 packing_size;
guint32 min_align;
} MonoCachedClassInfo;
typedef struct {
const char *name;
gconstpointer func;
gconstpointer wrapper;
gconstpointer trampoline;
MonoMethodSignature *sig;
const char *c_symbol;
MonoMethod *wrapper_method;
gboolean no_raise;
} MonoJitICallInfo;
typedef struct {
guint8 exception_type;
char *class_name; /* If kind == TYPE */
char *assembly_name; /* If kind == TYPE or ASSEMBLY */
MonoClass *klass; /* If kind != TYPE */
const char *member_name; /* If kind != TYPE */
gboolean ref_only; /* If kind == ASSEMBLY */
char *msg; /* If kind == BAD_IMAGE */
} MonoLoaderError;
void
mono_class_setup_supertypes (MonoClass *klass);
void
mono_class_setup_fields_locking (MonoClass *klass);
/* WARNING
* Only call this function if you can ensure both @klass and @parent
* have supertype information initialized.
* This can be accomplished by mono_class_setup_supertypes or mono_class_init.
* If unsure, use mono_class_has_parent.
*/
static inline gboolean
mono_class_has_parent_fast (MonoClass *klass, MonoClass *parent)
{
return (klass->idepth >= parent->idepth) && (klass->supertypes [parent->idepth - 1] == parent);
}
static inline gboolean
mono_class_has_parent (MonoClass *klass, MonoClass *parent)
{
if (G_UNLIKELY (!klass->supertypes))
mono_class_setup_supertypes (klass);
if (G_UNLIKELY (!parent->supertypes))
mono_class_setup_supertypes (parent);
return mono_class_has_parent_fast (klass, parent);
}
typedef struct {
MonoVTable *default_vtable;
MonoVTable *xdomain_vtable;
MonoClass *proxy_class;
char* proxy_class_name;
uint32_t interface_count;
MonoClass *interfaces [MONO_ZERO_LEN_ARRAY];
} MonoRemoteClass;
#define MONO_SIZEOF_REMOTE_CLASS (sizeof (MonoRemoteClass) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
typedef struct {
guint64 new_object_count;
size_t initialized_class_count;
size_t generic_vtable_count;
size_t used_class_count;
size_t method_count;
size_t class_vtable_size;
size_t class_static_data_size;
size_t generic_instance_count;
size_t generic_class_count;
size_t inflated_method_count;
size_t inflated_method_count_2;
size_t inflated_type_count;
size_t generics_metadata_size;
size_t delegate_creations;
size_t imt_tables_size;
size_t imt_number_of_tables;
size_t imt_number_of_methods;
size_t imt_used_slots;
size_t imt_slots_with_collisions;
size_t imt_max_collisions_in_slot;
size_t imt_method_count_when_max_collisions;
size_t imt_thunks_size;
size_t jit_info_table_insert_count;
size_t jit_info_table_remove_count;
size_t jit_info_table_lookup_count;
size_t generics_sharable_methods;
size_t generics_unsharable_methods;
size_t generics_shared_methods;
size_t gsharedvt_methods;
size_t minor_gc_count;
size_t major_gc_count;
size_t minor_gc_time_usecs;
size_t major_gc_time_usecs;
gboolean enabled;
} MonoStats;
/*
* new structure to hold performace counters values that are exported
* to managed code.
* Note: never remove fields from this structure and only add them to the end.
* Size of fields and type should not be changed as well.
*/
typedef struct {
/* JIT category */
guint32 jit_methods;
guint32 jit_bytes;
guint32 jit_time;
guint32 jit_failures;
/* Exceptions category */
guint32 exceptions_thrown;
guint32 exceptions_filters;
guint32 exceptions_finallys;
guint32 exceptions_depth;
guint32 aspnet_requests_queued;
guint32 aspnet_requests;
/* Memory category */
guint32 gc_collections0;
guint32 gc_collections1;
guint32 gc_collections2;
guint32 gc_promotions0;
guint32 gc_promotions1;
guint32 gc_promotion_finalizers;
guint32 gc_gen0size;
guint32 gc_gen1size;
guint32 gc_gen2size;
guint32 gc_lossize;
guint32 gc_fin_survivors;
guint32 gc_num_handles;
guint32 gc_allocated;
guint32 gc_induced;
guint32 gc_time;
guint32 gc_total_bytes;
guint32 gc_committed_bytes;
guint32 gc_reserved_bytes;
guint32 gc_num_pinned;
guint32 gc_sync_blocks;
/* Remoting category */
guint32 remoting_calls;
guint32 remoting_channels;
guint32 remoting_proxies;
guint32 remoting_classes;
guint32 remoting_objects;
guint32 remoting_contexts;
/* Loader category */
guint32 loader_classes;
guint32 loader_total_classes;
guint32 loader_appdomains;
guint32 loader_total_appdomains;
guint32 loader_assemblies;
guint32 loader_total_assemblies;
guint32 loader_failures;
guint32 loader_bytes;
guint32 loader_appdomains_uloaded;
/* Threads and Locks category */
guint32 thread_contentions;
guint32 thread_queue_len;
guint32 thread_queue_max;
guint32 thread_num_logical;
guint32 thread_num_physical;
guint32 thread_cur_recognized;
guint32 thread_num_recognized;
/* Interop category */
guint32 interop_num_ccw;
guint32 interop_num_stubs;
guint32 interop_num_marshals;
/* Security category */
guint32 security_num_checks;
guint32 security_num_link_checks;
guint32 security_time;
guint32 security_depth;
guint32 unused;
/* Threadpool */
guint64 threadpool_workitems;
guint64 threadpool_ioworkitems;
guint threadpool_threads;
guint threadpool_iothreads;
} MonoPerfCounters;
extern MonoPerfCounters *mono_perfcounters;
MONO_API void mono_perfcounters_init (void);
/*
* The definition of the first field in SafeHandle,
* Keep in sync with SafeHandle.cs, this is only used
* to access the `handle' parameter.
*/
typedef struct {
MonoObject base;
void *handle;
} MonoSafeHandle;
/*
* Keep in sync with HandleRef.cs
*/
typedef struct {
MonoObject *wrapper;
void *handle;
} MonoHandleRef;
extern MonoStats mono_stats;
typedef gpointer (*MonoTrampoline) (MonoMethod *method);
typedef gpointer (*MonoJumpTrampoline) (MonoDomain *domain, MonoMethod *method, gboolean add_sync_wrapper);
typedef gpointer (*MonoRemotingTrampoline) (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target);
typedef gpointer (*MonoDelegateTrampoline) (MonoDomain *domain, MonoClass *klass);
typedef gpointer (*MonoLookupDynamicToken) (MonoImage *image, guint32 token, gboolean valid_token, MonoClass **handle_class, MonoGenericContext *context);
typedef gboolean (*MonoGetCachedClassInfo) (MonoClass *klass, MonoCachedClassInfo *res);
typedef gboolean (*MonoGetClassFromName) (MonoImage *image, const char *name_space, const char *name, MonoClass **res);
static inline gboolean
method_is_dynamic (MonoMethod *method)
{
#ifdef DISABLE_REFLECTION_EMIT
return FALSE;
#else
return method->dynamic;
#endif
}
void
mono_classes_init (void);
void
mono_classes_cleanup (void);
void
mono_class_layout_fields (MonoClass *klass);
void
mono_class_setup_interface_offsets (MonoClass *klass);
void
mono_class_setup_vtable_general (MonoClass *klass, MonoMethod **overrides, int onum, GList *in_setup);
void
mono_class_setup_vtable (MonoClass *klass);
void
mono_class_setup_methods (MonoClass *klass);
void
mono_class_setup_mono_type (MonoClass *klass);
void
mono_class_setup_parent (MonoClass *klass, MonoClass *parent);
MonoMethod*
mono_class_get_method_by_index (MonoClass *klass, int index);
MonoMethod*
mono_class_get_inflated_method (MonoClass *klass, MonoMethod *method);
MonoMethod*
mono_class_get_vtable_entry (MonoClass *klass, int offset);
GPtrArray*
mono_class_get_implemented_interfaces (MonoClass *klass, MonoError *error);
int
mono_class_get_vtable_size (MonoClass *klass);
gboolean
mono_class_is_open_constructed_type (MonoType *t);
gboolean
mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
MonoGenericContext *generic_context);
MonoMethod*
mono_class_get_cctor (MonoClass *klass);
MonoMethod*
mono_class_get_finalizer (MonoClass *klass);
gboolean
mono_class_needs_cctor_run (MonoClass *klass, MonoMethod *caller);
gboolean
mono_class_field_is_special_static (MonoClassField *field);
guint32