mono/metadata/metadata-internals.h

   1 /**
   2  * \file
   3  */
   4
   5 #ifndef __MONO_METADATA_INTERNALS_H__
   6 #define __MONO_METADATA_INTERNALS_H__
   7
   8 #include "mono/utils/mono-forward-internal.h"
   9 #include "mono/metadata/image.h"
  10 #include "mono/metadata/blob.h"
  11 #include "mono/metadata/cil-coff.h"
  12 #include "mono/metadata/mempool.h"
  13 #include "mono/metadata/domain-internals.h"
  14 #include "mono/metadata/mono-hash.h"
  15 #include "mono/utils/mono-compiler.h"
  16 #include "mono/utils/mono-dl.h"
  17 #include "mono/utils/monobitset.h"
  18 #include "mono/utils/mono-property-hash.h"
  19 #include "mono/utils/mono-value-hash.h"
  20 #include <mono/utils/mono-error.h>
  21 #include "mono/utils/mono-conc-hashtable.h"
  22 #include "mono/utils/refcount.h"
  23
  24 struct _MonoType {
  25         union {
  26                 MonoClass *klass; /* for VALUETYPE and CLASS */
  27                 MonoType *type;   /* for PTR */
  28                 MonoArrayType *array; /* for ARRAY */
  29                 MonoMethodSignature *method;
  30                 MonoGenericParam *generic_param; /* for VAR and MVAR */
  31                 MonoGenericClass *generic_class; /* for GENERICINST */
  32         } data;
  33         unsigned int attrs    : 16; /* param attributes or field flags */
  34         MonoTypeEnum type     : 8;
  35         unsigned int has_cmods : 1;
  36         unsigned int byref    : 1;
  37         unsigned int pinned   : 1;  /* valid when included in a local var signature */
  38 };
  39
  40 typedef struct {
  41         unsigned int required : 1;
  42         MonoType *type;
  43 } MonoSingleCustomMod;
  44
  45 /* Aggregate custom modifiers can happen if a generic VAR or MVAR is inflated,
  46  * and both the VAR and the type that will be used to inflated it have custom
  47  * modifiers, but they come from different images.  (e.g. inflating 'class G<T>
  48  * {void Test (T modopt(IsConst) t);}' with 'int32 modopt(IsLong)' where G is
  49  * in image1 and the int32 is in image2.)
  50  *
  51  * Moreover, we can't just store an image and a type token per modifier, because
  52  * Roslyn and C++/CLI sometimes create modifiers that mention generic parameters that must be inflated, like:
  53  *     void .CL1`1.Test(!0 modopt(System.Nullable`1<!0>))
  54  * So we have to store a resolved MonoType*.
  55  *
  56  * Because the types come from different images, we allocate the aggregate
  57  * custom modifiers container object in the mempool of a MonoImageSet to ensure
  58  * that it doesn't have dangling image pointers.
  59  */
  60 typedef struct {
  61         uint8_t count;
  62         MonoSingleCustomMod modifiers[1]; /* Actual length is count */
  63 } MonoAggregateModContainer;
  64
  65 /* ECMA says upto 64 custom modifiers.  It's possible we could see more at
  66  * runtime due to modifiers being appended together when we inflate type.  In
  67  * that case we should revisit the places where this define is used to make
  68  * sure that we don't blow up the stack (or switch to heap allocation for
  69  * temporaries).
  70  */
  71 #define MONO_MAX_EXPECTED_CMODS 64
  72
  73 typedef struct {
  74         MonoType unmodified;
  75         gboolean is_aggregate;
  76         union {
  77                 MonoCustomModContainer cmods;
  78                 /* the actual aggregate modifiers are in a MonoImageSet mempool
  79                  * that includes all the images of all the modifier types and
  80                  * also the type that this aggregate container is a part of.*/
  81                 MonoAggregateModContainer *amods;
  82         } mods;
  83 } MonoTypeWithModifiers;
  84
  85 gboolean
  86 mono_type_is_aggregate_mods (const MonoType *t);
  87
  88 static inline void
  89 mono_type_with_mods_init (MonoType *dest, uint8_t num_mods, gboolean is_aggregate)
  90 {
  91         if (num_mods == 0) {
  92                 dest->has_cmods = 0;
  93                 return;
  94         }
  95         dest->has_cmods = 1;
  96         MonoTypeWithModifiers *dest_full = (MonoTypeWithModifiers *)dest;
  97         dest_full->is_aggregate = !!is_aggregate;
  98         if (is_aggregate)
  99                 dest_full->mods.amods = NULL;
 100         else
 101                 dest_full->mods.cmods.count = num_mods;
 102 }
 103
 104 MonoCustomModContainer *
 105 mono_type_get_cmods (const MonoType *t);
 106
 107 MonoAggregateModContainer *
 108 mono_type_get_amods (const MonoType *t);
 109
 110 void
 111 mono_type_set_amods (MonoType *t, MonoAggregateModContainer *amods);
 112
 113 static inline uint8_t
 114 mono_type_custom_modifier_count (const MonoType *t)
 115 {
 116         if (!t->has_cmods)
 117                 return 0;
 118         MonoTypeWithModifiers *full = (MonoTypeWithModifiers *)t;
 119         if (full->is_aggregate)
 120                 return full->mods.amods->count;
 121         else
 122                 return full->mods.cmods.count;
 123 }
 124
 125 MonoType *
 126 mono_type_get_custom_modifier (const MonoType *ty, uint8_t idx, gboolean *required, MonoError *error);
 127
 128 // Note: sizeof (MonoType) is dangerous. It can copy the num_mods
 129 // field without copying the variably sized array. This leads to
 130 // memory unsafety on the stack and/or heap, when we try to traverse
 131 // this array.
 132 //
 133 // Use mono_sizeof_monotype
 134 // to get the size of the memory to copy.
 135 #define MONO_SIZEOF_TYPE sizeof (MonoType)
 136
 137 size_t
 138 mono_sizeof_type_with_mods (uint8_t num_mods, gboolean aggregate);
 139
 140 size_t
 141 mono_sizeof_type (const MonoType *ty);
 142
 143 size_t
 144 mono_sizeof_aggregate_modifiers (uint8_t num_mods);
 145
 146 MonoAggregateModContainer *
 147 mono_metadata_get_canonical_aggregate_modifiers (MonoAggregateModContainer *candidate);
 148
 149 #define MONO_SECMAN_FLAG_INIT(x)                (x & 0x2)
 150 #define MONO_SECMAN_FLAG_GET_VALUE(x)           (x & 0x1)
 151 #define MONO_SECMAN_FLAG_SET_VALUE(x,y)         do { x = ((y) ? 0x3 : 0x2); } while (0)
 152
 153 #define MONO_PUBLIC_KEY_TOKEN_LENGTH    17
 154
 155 #define MONO_PROCESSOR_ARCHITECTURE_NONE 0
 156 #define MONO_PROCESSOR_ARCHITECTURE_MSIL 1
 157 #define MONO_PROCESSOR_ARCHITECTURE_X86 2
 158 #define MONO_PROCESSOR_ARCHITECTURE_IA64 3
 159 #define MONO_PROCESSOR_ARCHITECTURE_AMD64 4
 160 #define MONO_PROCESSOR_ARCHITECTURE_ARM 5
 161
 162 struct _MonoAssemblyName {
 163         const char *name;
 164         const char *culture;
 165         const char *hash_value;
 166         const mono_byte* public_key;
 167         // string of 16 hex chars + 1 NULL
 168         mono_byte public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
 169         uint32_t hash_alg;
 170         uint32_t hash_len;
 171         uint32_t flags;
 172 #ifdef ENABLE_NETCORE
 173         int major, minor, build, revision, arch;
 174 #else
 175         uint16_t major, minor, build, revision, arch;
 176 #endif
 177 };
 178
 179 struct MonoTypeNameParse {
 180         char *name_space;
 181         char *name;
 182         MonoAssemblyName assembly;
 183         GList *modifiers; /* 0 -> byref, -1 -> pointer, > 0 -> array rank */
 184         GPtrArray *type_arguments;
 185         GList *nested;
 186 };
 187
 188
 189 typedef enum MonoAssemblyContextKind {
 190         /* Default assembly context: Load(String) and assembly references */
 191         MONO_ASMCTX_DEFAULT = 0,
 192         /* Reflection-only only context: ReflectionOnlyLoad and ReeflectionOnlyLoadFrom */
 193         MONO_ASMCTX_REFONLY = 1,
 194         /* LoadFrom context: LoadFrom() and references */
 195         MONO_ASMCTX_LOADFROM = 2,
 196         /* Individual assembly context (.NET Framework docs call this "not in
 197          * any context"): LoadFile(String) and Load(byte[]) are here.
 198          */
 199         MONO_ASMCTX_INDIVIDUAL = 3,
 200
 201         MONO_ASMCTX_LAST = 3
 202 } MonoAssemblyContextKind;
 203
 204 typedef struct _MonoAssemblyContext {
 205         MonoAssemblyContextKind kind;
 206 } MonoAssemblyContext;
 207
 208 struct _MonoAssembly {
 209         /*
 210          * The number of appdomains which have this assembly loaded plus the number of
 211          * assemblies referencing this assembly through an entry in their image->references
 212          * arrays. The latter is needed because entries in the image->references array
 213          * might point to assemblies which are only loaded in some appdomains, and without
 214          * the additional reference, they can be freed at any time.
 215          * The ref_count is initially 0.
 216          */
 217         int ref_count; /* use atomic operations only */
 218         char *basedir;
 219         MonoAssemblyName aname;
 220         MonoImage *image;
 221         GSList *friend_assembly_names; /* Computed by mono_assembly_load_friends () */
 222         guint8 friend_assembly_names_inited;
 223         guint8 in_gac;
 224         guint8 dynamic;
 225         guint8 corlib_internal;
 226         MonoAssemblyContext context;
 227         guint8 wrap_non_exception_throws;
 228         guint8 wrap_non_exception_throws_inited;
 229         guint8 jit_optimizer_disabled;
 230         guint8 jit_optimizer_disabled_inited;
 231         /* security manager flags (one bit is for lazy initialization) */
 232         guint32 ecma:2;         /* Has the ECMA key */
 233         guint32 aptc:2;         /* Has the [AllowPartiallyTrustedCallers] attributes */
 234         guint32 fulltrust:2;    /* Has FullTrust permission */
 235         guint32 unmanaged:2;    /* Has SecurityPermissionFlag.UnmanagedCode permission */
 236         guint32 skipverification:2;     /* Has SecurityPermissionFlag.SkipVerification permission */
 237 };
 238
 239 typedef struct {
 240         /*
 241          * indexed by MonoMethodSignature
 242          * Protected by the marshal lock
 243          */
 244         GHashTable *delegate_invoke_cache;
 245         GHashTable *delegate_begin_invoke_cache;
 246         GHashTable *delegate_end_invoke_cache;
 247         GHashTable *runtime_invoke_signature_cache;
 248         GHashTable *runtime_invoke_sig_cache;
 249
 250         /*
 251          * indexed by SignaturePointerPair
 252          */
 253         GHashTable *delegate_abstract_invoke_cache;
 254         GHashTable *delegate_bound_static_invoke_cache;
 255
 256         /*
 257          * indexed by MonoMethod pointers
 258          * Protected by the marshal lock
 259          */
 260         GHashTable *runtime_invoke_method_cache;
 261         GHashTable *managed_wrapper_cache;
 262
 263         GHashTable *native_wrapper_cache;
 264         GHashTable *native_wrapper_aot_cache;
 265         GHashTable *native_wrapper_check_cache;
 266         GHashTable *native_wrapper_aot_check_cache;
 267
 268         GHashTable *native_func_wrapper_aot_cache;
 269         GHashTable *remoting_invoke_cache;
 270         GHashTable *synchronized_cache;
 271         GHashTable *unbox_wrapper_cache;
 272         GHashTable *cominterop_invoke_cache;
 273         GHashTable *cominterop_wrapper_cache; /* LOCKING: marshal lock */
 274         GHashTable *thunk_invoke_cache;
 275 } MonoWrapperCaches;
 276
 277 typedef struct {
 278         const char* data;
 279         guint32  size;
 280 } MonoStreamHeader;
 281
 282 struct _MonoTableInfo {
 283         const char *base;
 284         guint       rows     : 24;
 285         guint       row_size : 8;
 286
 287         /*
 288          * Tables contain up to 9 columns and the possible sizes of the
 289          * fields in the documentation are 1, 2 and 4 bytes.  So we
 290          * can encode in 2 bits the size.
 291          *
 292          * A 32 bit value can encode the resulting size
 293          *
 294          * The top eight bits encode the number of columns in the table.
 295          * we only need 4, but 8 is aligned no shift required.
 296          */
 297         guint32   size_bitfield;
 298 };
 299
 300 #define REFERENCE_MISSING ((gpointer) -1)
 301
 302 typedef struct {
 303         gboolean (*match) (MonoImage*);
 304         gboolean (*load_pe_data) (MonoImage*);
 305         gboolean (*load_cli_data) (MonoImage*);
 306         gboolean (*load_tables) (MonoImage*);
 307 } MonoImageLoader;
 308
 309 /* Represents the physical bytes for an image (usually in the file system, but
 310  * could be in memory).
 311  *
 312  * The MonoImageStorage owns the raw data for an image and is responsible for
 313  * cleanup.
 314  *
 315  * May be shared by multiple MonoImage objects if they opened the same
 316  * underlying file or byte blob in memory.
 317  *
 318  * There is an abstract string key (usually a file path, but could be formed in
 319  * other ways) that is used to share MonoImageStorage objects among images.
 320  *
 321  */
 322 typedef struct {
 323         MonoRefCount ref;
 324
 325         /* key used for lookups.  owned by this image storage. */
 326         char *key;
 327
 328         /* If the raw data was allocated from a source such as mmap, the allocator may store resource tracking information here. */
 329         void *raw_data_handle;
 330         char *raw_data;
 331         guint32 raw_data_len;
 332         /* data was allocated with mono_file_map and must be unmapped */
 333         guint8 raw_buffer_used    : 1;
 334         /* data was allocated with malloc and must be freed */
 335         guint8 raw_data_allocated : 1;
 336         /* data was allocated with mono_file_map_fileio */
 337         guint8 fileio_used : 1;
 338
 339 #ifdef HOST_WIN32
 340         /* Module was loaded using LoadLibrary. */
 341         guint8 is_module_handle : 1;
 342
 343         /* Module entry point is _CorDllMain. */
 344         guint8 has_entry_point : 1;
 345 #endif
 346 } MonoImageStorage;
 347
 348 struct _MonoImage {
 349         /*
 350          * This count is incremented during these situations:
 351          *   - An assembly references this MonoImage through its 'image' field
 352          *   - This MonoImage is present in the 'files' field of an image
 353          *   - This MonoImage is present in the 'modules' field of an image
 354          *   - A thread is holding a temporary reference to this MonoImage between
 355          *     calls to mono_image_open and mono_image_close ()
 356          */
 357         int   ref_count;
 358
 359         MonoImageStorage *storage;
 360
 361         /* Aliases storage->raw_data when storage is non-NULL. Otherwise NULL. */
 362         char *raw_data;
 363         guint32 raw_data_len;
 364
 365         /* Whenever this is a dynamically emitted module */
 366         guint8 dynamic : 1;
 367
 368         /* Whenever this is a reflection only image */
 369         guint8 ref_only : 1;
 370
 371         /* Whenever this image contains uncompressed metadata */
 372         guint8 uncompressed_metadata : 1;
 373
 374         /* Whenever this image contains metadata only without PE data */
 375         guint8 metadata_only : 1;
 376
 377         /*  Whether this image belongs to load-from context */
 378         guint8 load_from_context: 1;
 379
 380         guint8 checked_module_cctor : 1;
 381         guint8 has_module_cctor : 1;
 382
 383         guint8 idx_string_wide : 1;
 384         guint8 idx_guid_wide : 1;
 385         guint8 idx_blob_wide : 1;
 386
 387         /* Whenever this image is considered as platform code for the CoreCLR security model */
 388         guint8 core_clr_platform_code : 1;
 389
 390         /* The path to the file for this image or an arbitrary name for images loaded from data. */
 391         char *name;
 392
 393         /* The path to the file for this image or NULL */
 394         char *filename;
 395
 396         /* The assembly name reported in the file for this image (expected to be NULL for a netmodule) */
 397         const char *assembly_name;
 398
 399         /* The module name reported in the file for this image (could be NULL for a malformed file) */
 400         const char *module_name;
 401         guint32 time_date_stamp;
 402
 403         char *version;
 404         gint16 md_version_major, md_version_minor;
 405         char *guid;
 406         MonoCLIImageInfo    *image_info;
 407         MonoMemPool         *mempool; /*protected by the image lock*/
 408
 409         char                *raw_metadata;
 410
 411         MonoStreamHeader     heap_strings;
 412         MonoStreamHeader     heap_us;
 413         MonoStreamHeader     heap_blob;
 414         MonoStreamHeader     heap_guid;
 415         MonoStreamHeader     heap_tables;
 416         MonoStreamHeader     heap_pdb;
 417
 418         const char          *tables_base;
 419
 420         /* For PPDB files */
 421         guint64 referenced_tables;
 422         int *referenced_table_rows;
 423
 424         /**/
 425         MonoTableInfo        tables [MONO_TABLE_NUM];
 426
 427         /*
 428          * references is initialized only by using the mono_assembly_open
 429          * function, and not by using the lowlevel mono_image_open.
 430          *
 431          * Protected by the image lock.
 432          *
 433          * It is NULL terminated.
 434          */
 435         MonoAssembly **references;
 436         int nreferences;
 437
 438         /* Code files in the assembly. The main assembly has a "file" table and also a "module"
 439          * table, where the module table is a subset of the file table. We track both lists,
 440          * and because we can lazy-load them at different times we reference-increment both.
 441          */
 442         /* No netmodules in netcore, but for System.Reflection.Emit support we still use modules */
 443         MonoImage **modules;
 444         guint32 module_count;
 445         gboolean *modules_loaded;
 446
 447         MonoImage **files;
 448         guint32 file_count;
 449
 450         MonoAotModule *aot_module;
 451
 452         guint8 aotid[16];
 453
 454         /*
 455          * The Assembly this image was loaded from.
 456          */
 457         MonoAssembly *assembly;
 458
 459 #ifdef ENABLE_NETCORE
 460         /*
 461          * The AssemblyLoadContext that this image was loaded into.
 462          */
 463         MonoAssemblyLoadContext *alc;
 464 #endif
 465
 466         /*
 467          * Indexed by method tokens and typedef tokens.
 468          */
 469         GHashTable *method_cache; /*protected by the image lock*/
 470         MonoInternalHashTable class_cache;
 471
 472         /* Indexed by memberref + methodspec tokens */
 473         GHashTable *methodref_cache; /*protected by the image lock*/
 474
 475         /*
 476          * Indexed by fielddef and memberref tokens
 477          */
 478         MonoConcurrentHashTable *field_cache; /*protected by the image lock*/
 479
 480         /* indexed by typespec tokens. */
 481         MonoConcurrentHashTable *typespec_cache; /* protected by the image lock */
 482         /* indexed by token */
 483         GHashTable *memberref_signatures;
 484
 485         /* Indexed by blob heap indexes */
 486         GHashTable *method_signatures;
 487
 488         /*
 489          * Indexes namespaces to hash tables that map class name to typedef token.
 490          */
 491         GHashTable *name_cache;  /*protected by the image lock*/
 492
 493         /*
 494          * Indexed by MonoClass
 495          */
 496         GHashTable *array_cache;
 497         GHashTable *ptr_cache;
 498
 499         GHashTable *szarray_cache;
 500         /* This has a separate lock to improve scalability */
 501         mono_mutex_t szarray_cache_lock;
 502
 503         /*
 504          * indexed by SignaturePointerPair
 505          */
 506         GHashTable *native_func_wrapper_cache;
 507
 508         /*
 509          * indexed by MonoMethod pointers
 510          */
 511         GHashTable *wrapper_param_names;
 512         GHashTable *array_accessor_cache;
 513
 514         /*
 515          * indexed by MonoClass pointers
 516          */
 517         GHashTable *ldfld_wrapper_cache;
 518         GHashTable *ldflda_wrapper_cache;
 519         GHashTable *stfld_wrapper_cache;
 520         GHashTable *isinst_cache;
 521
 522         GHashTable *icall_wrapper_cache;
 523         GHashTable *castclass_cache;
 524         GHashTable *proxy_isinst_cache;
 525         GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
 526
 527         /* Contains rarely used fields of runtime structures belonging to this image */
 528         MonoPropertyHash *property_hash;
 529
 530         void *reflection_info;
 531
 532         /*
 533          * user_info is a public field and is not touched by the
 534          * metadata engine
 535          */
 536         void *user_info;
 537
 538 #ifndef DISABLE_DLLMAP
 539         /* dll map entries */
 540         MonoDllMap *dll_map;
 541 #endif
 542
 543         /* interfaces IDs from this image */
 544         /* protected by the classes lock */
 545         MonoBitSet *interface_bitset;
 546
 547         /* when the image is being closed, this is abused as a list of
 548            malloc'ed regions to be freed. */
 549         GSList *reflection_info_unregister_classes;
 550
 551         /* List of dependent image sets containing this image */
 552         /* Protected by image_sets_lock */
 553         GSList *image_sets;
 554
 555         /* Caches for wrappers that DO NOT reference generic */
 556         /* arguments */
 557         MonoWrapperCaches wrapper_caches;
 558
 559         /* Pre-allocated anon generic params for the first N generic
 560          * parameters, for a small N */
 561         MonoGenericParam *var_gparam_cache_fast;
 562         MonoGenericParam *mvar_gparam_cache_fast;
 563         /* Anon generic parameters past N, if needed */
 564         MonoConcurrentHashTable *var_gparam_cache;
 565         MonoConcurrentHashTable *mvar_gparam_cache;
 566
 567 #ifndef ENABLE_NETCORE
 568         /* Maps malloc-ed char* pinvoke scope -> MonoDl* */
 569         GHashTable *pinvoke_scopes;
 570 #endif
 571
 572         /* The loader used to load this image */
 573         MonoImageLoader *loader;
 574
 575         // Containers for MonoGenericParams associated with this image but not with any specific class or method. Created on demand.
 576         // This could happen, for example, for MonoTypes associated with TypeSpec table entries.
 577         MonoGenericContainer *anonymous_generic_class_container;
 578         MonoGenericContainer *anonymous_generic_method_container;
 579
 580         gboolean weak_fields_inited;
 581         /* Contains 1 based indexes */
 582         GHashTable *weak_field_indexes;
 583
 584         /*
 585          * No other runtime locks must be taken while holding this lock.
 586          * It's meant to be used only to mutate and query structures part of this image.
 587          */
 588         mono_mutex_t    lock;
 589 };
 590
 591 /*
 592  * Generic instances and aggregated custom modifiers depend on many images, and they need to be deleted if one
 593  * of the images they depend on is unloaded. For example,
 594  * List<Foo> depends on both List's image and Foo's image.
 595  * A MonoImageSet is the owner of all generic instances depending on the same set of
 596  * images.
 597  */
 598 typedef struct {
 599         int nimages;
 600         MonoImage **images;
 601
 602         // Generic-specific caches
 603         GHashTable *ginst_cache, *gmethod_cache, *gsignature_cache;
 604         MonoConcurrentHashTable *gclass_cache;
 605
 606         /* mirror caches of ones already on MonoImage. These ones contain generics */
 607         GHashTable *szarray_cache, *array_cache, *ptr_cache;
 608
 609         MonoWrapperCaches wrapper_caches;
 610
 611         GHashTable *aggregate_modifiers_cache;
 612
 613         /* Indexed by MonoGenericParam pointers */
 614         GHashTable **gshared_types;
 615         /* The length of the above array */
 616         int gshared_types_len;
 617
 618         mono_mutex_t    lock;
 619
 620         /*
 621          * Memory for generic instances owned by this image set should be allocated from
 622          * this mempool, using the mono_image_set_alloc family of functions.
 623          */
 624         MonoMemPool         *mempool;
 625 } MonoImageSet;
 626
 627 enum {
 628         MONO_SECTION_TEXT,
 629         MONO_SECTION_RSRC,
 630         MONO_SECTION_RELOC,
 631         MONO_SECTION_MAX
 632 };
 633
 634 typedef struct {
 635         GHashTable *hash;
 636         char *data;
 637         guint32 alloc_size; /* malloced bytes */
 638         guint32 index;
 639         guint32 offset; /* from start of metadata */
 640 } MonoDynamicStream;
 641
 642 typedef struct {
 643         guint32 alloc_rows;
 644         guint32 rows;
 645         guint8  row_size; /*  calculated later with column_sizes */
 646         guint8  columns;
 647         guint32 next_idx;
 648         guint32 *values; /* rows * columns */
 649 } MonoDynamicTable;
 650
 651 /* "Dynamic" assemblies and images arise from System.Reflection.Emit */
 652 struct _MonoDynamicAssembly {
 653         MonoAssembly assembly;
 654         char *strong_name;
 655         guint32 strong_name_size;
 656         guint8 run;
 657         guint8 save;
 658         MonoDomain *domain;
 659 };
 660
 661 struct _MonoDynamicImage {
 662         MonoImage image;
 663         guint32 meta_size;
 664         guint32 text_rva;
 665         guint32 metadata_rva;
 666         guint32 image_base;
 667         guint32 cli_header_offset;
 668         guint32 iat_offset;
 669         guint32 idt_offset;
 670         guint32 ilt_offset;
 671         guint32 imp_names_offset;
 672         struct {
 673                 guint32 rva;
 674                 guint32 size;
 675                 guint32 offset;
 676                 guint32 attrs;
 677         } sections [MONO_SECTION_MAX];
 678         GHashTable *typespec;
 679         GHashTable *typeref;
 680         GHashTable *handleref;
 681         MonoGHashTable *tokens;
 682         GHashTable *blob_cache;
 683         GHashTable *standalonesig_cache;
 684         GList *array_methods;
 685         GPtrArray *gen_params;
 686         MonoGHashTable *token_fixups;
 687         GHashTable *method_to_table_idx;
 688         GHashTable *field_to_table_idx;
 689         GHashTable *method_aux_hash;
 690         GHashTable *vararg_aux_hash;
 691         MonoGHashTable *generic_def_objects;
 692         /*
 693          * Maps final token values to the object they describe.
 694          */
 695         MonoGHashTable *remapped_tokens;
 696         gboolean run;
 697         gboolean save;
 698         gboolean initial_image;
 699         guint32 pe_kind, machine;
 700         char *strong_name;
 701         guint32 strong_name_size;
 702         char *win32_res;
 703         guint32 win32_res_size;
 704         guint8 *public_key;
 705         int public_key_len;
 706         MonoDynamicStream sheap;
 707         MonoDynamicStream code; /* used to store method headers and bytecode */
 708         MonoDynamicStream resources; /* managed embedded resources */
 709         MonoDynamicStream us;
 710         MonoDynamicStream blob;
 711         MonoDynamicStream tstream;
 712         MonoDynamicStream guid;
 713         MonoDynamicTable tables [MONO_TABLE_NUM];
 714         MonoClass *wrappers_type; /*wrappers are bound to this type instead of <Module>*/
 715 };
 716
 717 /* Contains information about assembly binding */
 718 typedef struct _MonoAssemblyBindingInfo {
 719         char *name;
 720         char *culture;
 721         guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
 722         int major;
 723         int minor;
 724         AssemblyVersionSet old_version_bottom;
 725         AssemblyVersionSet old_version_top;
 726         AssemblyVersionSet new_version;
 727         guint has_old_version_bottom : 1;
 728         guint has_old_version_top : 1;
 729         guint has_new_version : 1;
 730         guint is_valid : 1;
 731         gint32 domain_id; /*Needed to unload per-domain binding*/
 732 } MonoAssemblyBindingInfo;
 733
 734 struct _MonoMethodHeader {
 735         const unsigned char  *code;
 736 #ifdef MONO_SMALL_CONFIG
 737         guint16      code_size;
 738 #else
 739         guint32      code_size;
 740 #endif
 741         guint16      max_stack   : 15;
 742         unsigned int is_transient: 1; /* mono_metadata_free_mh () will actually free this header */
 743         unsigned int num_clauses : 15;
 744         /* if num_locals != 0, then the following apply: */
 745         unsigned int init_locals : 1;
 746         guint16      num_locals;
 747         MonoExceptionClause *clauses;
 748         MonoBitSet  *volatile_args;
 749         MonoBitSet  *volatile_locals;
 750         MonoType    *locals [MONO_ZERO_LEN_ARRAY];
 751 };
 752
 753 typedef struct {
 754         const unsigned char *code;
 755         guint32      code_size;
 756         guint16      max_stack;
 757         gboolean     has_clauses;
 758         gboolean     has_locals;
 759 } MonoMethodHeaderSummary;
 760
 761 // FIXME? offsetof (MonoMethodHeader, locals)?
 762 #define MONO_SIZEOF_METHOD_HEADER (sizeof (struct _MonoMethodHeader) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
 763
 764 struct _MonoMethodSignature {
 765         MonoType     *ret;
 766 #ifdef MONO_SMALL_CONFIG
 767         guint8        param_count;
 768         gint8         sentinelpos;
 769         unsigned int  generic_param_count : 5;
 770 #else
 771         guint16       param_count;
 772         gint16        sentinelpos;
 773         unsigned int  generic_param_count : 16;
 774 #endif
 775         unsigned int  call_convention     : 6;
 776         unsigned int  hasthis             : 1;
 777         unsigned int  explicit_this       : 1;
 778         unsigned int  pinvoke             : 1;
 779         unsigned int  is_inflated         : 1;
 780         unsigned int  has_type_parameters : 1;
 781         MonoType     *params [MONO_ZERO_LEN_ARRAY];
 782 };
 783
 784 /*
 785  * AOT cache configuration loaded from config files.
 786  * Doesn't really belong here.
 787  */
 788 typedef struct {
 789         /*
 790          * Enable aot caching for applications whose main assemblies are in
 791          * this list.
 792          */
 793         GSList *apps;
 794         GSList *assemblies;
 795         char *aot_options;
 796 } MonoAotCacheConfig;
 797
 798 #define MONO_SIZEOF_METHOD_SIGNATURE (sizeof (struct _MonoMethodSignature) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
 799
 800 static inline gboolean
 801 image_is_dynamic (MonoImage *image)
 802 {
 803 #ifdef DISABLE_REFLECTION_EMIT
 804         return FALSE;
 805 #else
 806         return image->dynamic;
 807 #endif
 808 }
 809
 810 static inline gboolean
 811 assembly_is_dynamic (MonoAssembly *assembly)
 812 {
 813 #ifdef DISABLE_REFLECTION_EMIT
 814         return FALSE;
 815 #else
 816         return assembly->dynamic;
 817 #endif
 818 }
 819
 820 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
 821 guint mono_aligned_addr_hash (gconstpointer ptr);
 822
 823 void
 824 mono_image_check_for_module_cctor (MonoImage *image);
 825
 826 gpointer
 827 mono_image_alloc  (MonoImage *image, guint size);
 828
 829 gpointer
 830 mono_image_alloc0 (MonoImage *image, guint size);
 831
 832 #define mono_image_new0(image,type,size) ((type *) mono_image_alloc0 (image, sizeof (type)* (size)))
 833
 834 char*
 835 mono_image_strdup (MonoImage *image, const char *s);
 836
 837 char*
 838 mono_image_strdup_vprintf (MonoImage *image, const char *format, va_list args);
 839
 840 char*
 841 mono_image_strdup_printf (MonoImage *image, const char *format, ...) MONO_ATTR_FORMAT_PRINTF(2,3);
 842
 843 GList*
 844 mono_g_list_prepend_image (MonoImage *image, GList *list, gpointer data);
 845
 846 GSList*
 847 mono_g_slist_append_image (MonoImage *image, GSList *list, gpointer data);
 848
 849 void
 850 mono_image_lock (MonoImage *image);
 851
 852 void
 853 mono_image_unlock (MonoImage *image);
 854
 855 gpointer
 856 mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property);
 857
 858 void
 859 mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value);
 860
 861 void
 862 mono_image_property_remove (MonoImage *image, gpointer subject);
 863
 864 gboolean
 865 mono_image_close_except_pools (MonoImage *image);
 866
 867 void
 868 mono_image_close_finish (MonoImage *image);
 869
 870 typedef void  (*MonoImageUnloadFunc) (MonoImage *image, gpointer user_data);
 871
 872 void
 873 mono_install_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data);
 874
 875 void
 876 mono_remove_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data);
 877
 878 void
 879 mono_install_image_loader (const MonoImageLoader *loader);
 880
 881 void
 882 mono_image_append_class_to_reflection_info_set (MonoClass *klass);
 883
 884 gpointer
 885 mono_image_set_alloc  (MonoImageSet *set, guint size);
 886
 887 gpointer
 888 mono_image_set_alloc0 (MonoImageSet *set, guint size);
 889
 890 void
 891 mono_image_set_lock (MonoImageSet *set);
 892
 893 void
 894 mono_image_set_unlock (MonoImageSet *set);
 895
 896 char*
 897 mono_image_set_strdup (MonoImageSet *set, const char *s);
 898
 899 MonoImageSet *
 900 mono_metadata_get_image_set_for_aggregate_modifiers (MonoAggregateModContainer *amods);
 901
 902 MonoImageSet *
 903 mono_metadata_get_image_set_for_type (MonoType *type);
 904
 905 MonoImageSet *
 906 mono_metadata_merge_image_sets (MonoImageSet *set1, MonoImageSet *set2);
 907
 908 #define mono_image_set_new0(image,type,size) ((type *) mono_image_set_alloc0 (image, sizeof (type)* (size)))
 909
 910 gboolean
 911 mono_image_load_cli_header (MonoImage *image, MonoCLIImageInfo *iinfo);
 912
 913 gboolean
 914 mono_image_load_metadata (MonoImage *image, MonoCLIImageInfo *iinfo);
 915
 916 const char*
 917 mono_metadata_string_heap_checked (MonoImage *meta, uint32_t table_index, MonoError *error);
 918 const char *
 919 mono_metadata_blob_heap_null_ok (MonoImage *meta, guint32 index);
 920 const char*
 921 mono_metadata_blob_heap_checked (MonoImage *meta, uint32_t table_index, MonoError *error);
 922 gboolean
 923 mono_metadata_decode_row_checked (const MonoImage *image, const MonoTableInfo *t, int idx, uint32_t *res, int res_size, MonoError *error);
 924
 925 MonoType*
 926 mono_metadata_get_shared_type (MonoType *type);
 927
 928 void
 929 mono_metadata_clean_for_image (MonoImage *image);
 930
 931 void
 932 mono_metadata_clean_generic_classes_for_image (MonoImage *image);
 933
 934 MONO_API void
 935 mono_metadata_cleanup (void);
 936
 937 const char *   mono_meta_table_name              (int table);
 938 void           mono_metadata_compute_table_bases (MonoImage *meta);
 939
 940 gboolean
 941 mono_metadata_interfaces_from_typedef_full  (MonoImage             *image,
 942                                                                                          guint32                table_index,
 943                                                                                          MonoClass           ***interfaces,
 944                                                                                          guint                 *count,
 945                                                                                          gboolean               heap_alloc_result,
 946                                                                                          MonoGenericContext    *context,
 947                                                                                          MonoError *error);
 948
 949 MONO_API MonoMethodSignature *
 950 mono_metadata_parse_method_signature_full   (MonoImage             *image,
 951                                              MonoGenericContainer  *generic_container,
 952                                              int                     def,
 953                                              const char             *ptr,
 954                                              const char            **rptr,
 955                                              MonoError *error);
 956
 957 MONO_API MonoMethodHeader *
 958 mono_metadata_parse_mh_full                 (MonoImage             *image,
 959                                              MonoGenericContainer  *container,
 960                                              const char            *ptr,
 961                                                  MonoError *error);
 962
 963 MonoMethodSignature  *mono_metadata_parse_signature_checked (MonoImage *image,
 964                                                              uint32_t    token,
 965                                                              MonoError *error);
 966
 967 gboolean
 968 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary);
 969
 970 int* mono_metadata_get_param_attrs          (MonoImage *m, int def, int param_count);
 971 gboolean mono_metadata_method_has_param_attrs (MonoImage *m, int def);
 972
 973 guint
 974 mono_metadata_generic_context_hash          (const MonoGenericContext *context);
 975
 976 gboolean
 977 mono_metadata_generic_context_equal         (const MonoGenericContext *g1,
 978                                              const MonoGenericContext *g2);
 979
 980 MonoGenericInst *
 981 mono_metadata_parse_generic_inst            (MonoImage             *image,
 982                                              MonoGenericContainer  *container,
 983                                              int                    count,
 984                                              const char            *ptr,
 985                                              const char           **rptr,
 986                                                  MonoError *error);
 987
 988 MonoGenericInst *
 989 mono_metadata_get_generic_inst              (int                    type_argc,
 990                                              MonoType             **type_argv);
 991
 992 MonoGenericInst *
 993 mono_metadata_get_canonical_generic_inst    (MonoGenericInst *candidate);
 994
 995 MonoGenericClass *
 996 mono_metadata_lookup_generic_class          (MonoClass             *gclass,
 997                                              MonoGenericInst       *inst,
 998                                              gboolean               is_dynamic);
 999
1000 MonoGenericInst * mono_metadata_inflate_generic_inst  (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error);
1001
1002 guint
1003 mono_metadata_generic_param_hash (MonoGenericParam *p);
1004
1005 gboolean
1006 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2);
1007
1008 void mono_dynamic_stream_reset  (MonoDynamicStream* stream);
1009 MONO_API void mono_assembly_addref       (MonoAssembly *assembly);
1010 void mono_assembly_load_friends (MonoAssembly* ass);
1011 gboolean mono_assembly_has_skip_verification (MonoAssembly* ass);
1012
1013 void mono_assembly_release_gc_roots (MonoAssembly *assembly);
1014 gboolean mono_assembly_close_except_image_pools (MonoAssembly *assembly);
1015 void mono_assembly_close_finish (MonoAssembly *assembly);
1016
1017
1018 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2);
1019
1020 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info);
1021 void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
1022                                           void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data));
1023
1024 gboolean
1025 mono_assembly_name_parse_full                (const char           *name,
1026                                               MonoAssemblyName     *aname,
1027                                               gboolean save_public_key,
1028                                               gboolean *is_version_defined,
1029                                                   gboolean *is_token_defined);
1030
1031 gboolean
1032 mono_assembly_fill_assembly_name_full (MonoImage *image, MonoAssemblyName *aname, gboolean copyBlobs);
1033
1034
1035 MONO_API guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
1036
1037 MonoGenericParam*
1038 mono_metadata_create_anon_gparam (MonoImage *image, gint32 param_num, gboolean is_mvar);
1039
1040 void mono_unload_interface_ids (MonoBitSet *bitset);
1041
1042
1043 MonoType *mono_metadata_type_dup (MonoImage *image, const MonoType *original);
1044 MonoType *mono_metadata_type_dup_with_cmods (MonoImage *image, const MonoType *original, const MonoType *cmods_source);
1045
1046 MonoMethodSignature  *mono_metadata_signature_dup_full (MonoImage *image,MonoMethodSignature *sig);
1047 MonoMethodSignature  *mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig);
1048 MonoMethodSignature  *mono_metadata_signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass);
1049
1050 MonoGenericInst *
1051 mono_get_shared_generic_inst (MonoGenericContainer *container);
1052
1053 int
1054 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open);
1055
1056 MONO_API void            mono_type_get_desc (GString *res, MonoType *type, mono_bool include_namespace);
1057
1058 gboolean
1059 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only);
1060
1061 MonoMarshalSpec *
1062 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr);
1063
1064 guint          mono_metadata_generic_inst_hash (gconstpointer data);
1065 gboolean       mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb);
1066
1067 MONO_API void
1068 mono_metadata_field_info_with_mempool (
1069                                           MonoImage *meta,
1070                                       guint32       table_index,
1071                                       guint32      *offset,
1072                                       guint32      *rva,
1073                                       MonoMarshalSpec **marshal_spec);
1074
1075 MonoClassField*
1076 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field);
1077
1078 MonoEvent*
1079 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event);
1080
1081 MonoProperty*
1082 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property);
1083
1084 guint32
1085 mono_metadata_signature_size (MonoMethodSignature *sig);
1086
1087 guint mono_metadata_str_hash (gconstpointer v1);
1088
1089 gboolean mono_image_load_pe_data (MonoImage *image);
1090
1091 gboolean mono_image_load_cli_data (MonoImage *image);
1092
1093 void mono_image_load_names (MonoImage *image);
1094
1095 MonoImage *mono_image_open_raw (MonoAssemblyLoadContext *alc, const char *fname, MonoImageOpenStatus *status);
1096
1097 MonoImage *mono_image_open_metadata_only (MonoAssemblyLoadContext *alc, const char *fname, MonoImageOpenStatus *status);
1098
1099 MonoImage *mono_image_open_from_data_internal (MonoAssemblyLoadContext *alc, char *data, guint32 data_len, gboolean need_copy, MonoImageOpenStatus *status, gboolean refonly, gboolean metadata_only, const char *name);
1100
1101 MonoException *mono_get_exception_field_access_msg (const char *msg);
1102
1103 MonoException *mono_get_exception_method_access_msg (const char *msg);
1104
1105 MonoMethod* mono_method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context, MonoError *error);
1106
1107 MonoMethod *mono_get_method_constrained_with_method (MonoImage *image, MonoMethod *method, MonoClass *constrained_class, MonoGenericContext *context, MonoError *error);
1108 MonoMethod *mono_get_method_constrained_checked (MonoImage *image, guint32 token, MonoClass *constrained_class, MonoGenericContext *context, MonoMethod **cil_method, MonoError *error);
1109
1110 void mono_type_set_alignment (MonoTypeEnum type, int align);
1111
1112 MonoAotCacheConfig *mono_get_aot_cache_config (void);
1113 MonoType *
1114 mono_type_create_from_typespec_checked (MonoImage *image, guint32 type_spec, MonoError *error);
1115
1116 MonoMethodSignature*
1117 mono_method_get_signature_checked (MonoMethod *method, MonoImage *image, guint32 token, MonoGenericContext *context, MonoError *error);
1118
1119 MonoMethod *
1120 mono_get_method_checked (MonoImage *image, guint32 token, MonoClass *klass, MonoGenericContext *context, MonoError *error);
1121
1122 guint32
1123 mono_metadata_localscope_from_methoddef (MonoImage *meta, guint32 index);
1124
1125 void
1126 mono_wrapper_caches_free (MonoWrapperCaches *cache);
1127
1128 MonoWrapperCaches*
1129 mono_method_get_wrapper_cache (MonoMethod *method);
1130
1131 MonoWrapperCaches*
1132 mono_method_get_wrapper_cache (MonoMethod *method);
1133
1134 MonoType*
1135 mono_metadata_parse_type_checked (MonoImage *m, MonoGenericContainer *container, short opt_attrs, gboolean transient, const char *ptr, const char **rptr, MonoError *error);
1136
1137 MonoGenericContainer *
1138 mono_get_anonymous_container_for_image (MonoImage *image, gboolean is_mvar);
1139
1140 char *
1141 mono_image_set_description (MonoImageSet *);
1142
1143 MonoImageSet *
1144 mono_find_image_set_owner (void *ptr);
1145
1146 void
1147 mono_loader_register_module (const char *name, MonoDl *module);
1148
1149 gboolean
1150 mono_assembly_is_problematic_version (const char *name, guint16 major, guint16 minor, guint16 build, guint16 revision);
1151
1152 void
1153 mono_ginst_get_desc (GString *str, MonoGenericInst *ginst);
1154
1155 void
1156 mono_loader_set_strict_assembly_name_check (gboolean enabled);
1157
1158 gboolean
1159 mono_loader_get_strict_assembly_name_check (void);
1160
1161 gboolean
1162 mono_type_in_image (MonoType *type, MonoImage *image);
1163
1164 gboolean
1165 mono_type_is_valid_generic_argument (MonoType *type);
1166
1167 MonoAssemblyContextKind
1168 mono_asmctx_get_kind (const MonoAssemblyContext *ctx);
1169
1170 #define MONO_CLASS_IS_INTERFACE_INTERNAL(c) ((mono_class_get_flags (c) & TYPE_ATTRIBUTE_INTERFACE) || mono_type_is_generic_parameter (m_class_get_byval_arg (c)))
1171
1172 static inline gboolean
1173 m_image_is_raw_data_allocated (MonoImage *image)
1174 {
1175         return image->storage ? image->storage->raw_data_allocated : FALSE;
1176 }
1177
1178 static inline gboolean
1179 m_image_is_fileio_used (MonoImage *image)
1180 {
1181         return image->storage ? image->storage->fileio_used : FALSE;
1182 }
1183
1184 #ifdef HOST_WIN32
1185 static inline gboolean
1186 m_image_is_module_handle (MonoImage *image)
1187 {
1188         return image->storage ? image->storage->is_module_handle : FALSE;
1189 }
1190
1191 static inline gboolean
1192 m_image_has_entry_point (MonoImage *image)
1193 {
1194         return image->storage ? image->storage->has_entry_point : FALSE;
1195 }
1196 #endif
1197
1198 static inline const char *
1199 m_image_get_name (MonoImage *image)
1200 {
1201         return image->name;
1202 }
1203
1204 static inline const char *
1205 m_image_get_filename (MonoImage *image)
1206 {
1207         return image->filename;
1208 }
1209
1210 static inline const char *
1211 m_image_get_assembly_name (MonoImage *image)
1212 {
1213         return image->assembly_name;
1214 }
1215
1216 static inline
1217 MonoAssemblyLoadContext *
1218 mono_image_get_alc (MonoImage *image)
1219 {
1220 #ifndef ENABLE_NETCORE
1221         return NULL;
1222 #else
1223         return image->alc;
1224 #endif
1225 }
1226
1227 static inline
1228 MonoAssemblyLoadContext *
1229 mono_assembly_get_alc (MonoAssembly *assm)
1230 {
1231         return mono_image_get_alc (assm->image);
1232 }
1233
1234 static inline MonoType*
1235 mono_signature_get_return_type_internal (MonoMethodSignature *sig)
1236 {
1237         return sig->ret;
1238 }
1239
1240 /**
1241  * mono_type_get_type_internal:
1242  * \param type the \c MonoType operated on
1243  * \returns the IL type value for \p type. This is one of the \c MonoTypeEnum
1244  * enum members like \c MONO_TYPE_I4 or \c MONO_TYPE_STRING.
1245  */
1246 static inline int
1247 mono_type_get_type_internal (MonoType *type)
1248 {
1249         return type->type;
1250 }
1251
1252 /**
1253  * mono_type_get_signature:
1254  * \param type the \c MonoType operated on
1255  * It is only valid to call this function if \p type is a \c MONO_TYPE_FNPTR .
1256  * \returns the \c MonoMethodSignature pointer that describes the signature
1257  * of the function pointer \p type represents.
1258  */
1259 static inline MonoMethodSignature*
1260 mono_type_get_signature_internal (MonoType *type)
1261 {
1262         g_assert (type->type == MONO_TYPE_FNPTR);
1263         return type->data.method;
1264 }
1265
1266 /**
1267  * mono_type_is_byref_internal:
1268  * \param type the \c MonoType operated on
1269  * \returns TRUE if \p type represents a type passed by reference,
1270  * FALSE otherwise.
1271  */
1272 static inline mono_bool
1273 mono_type_is_byref_internal (MonoType *type)
1274 {
1275         return type->byref;
1276 }
1277
1278 /**
1279  * mono_type_get_class_internal:
1280  * \param type the \c MonoType operated on
1281  * It is only valid to call this function if \p type is a \c MONO_TYPE_CLASS or a
1282  * \c MONO_TYPE_VALUETYPE . For more general functionality, use \c mono_class_from_mono_type_internal,
1283  * instead.
1284  * \returns the \c MonoClass pointer that describes the class that \p type represents.
1285  */
1286 static inline MonoClass*
1287 mono_type_get_class_internal (MonoType *type)
1288 {
1289         /* FIXME: review the runtime users before adding the assert here */
1290         return type->data.klass;
1291 }
1292
1293 /**
1294  * mono_type_get_array_type_internal:
1295  * \param type the \c MonoType operated on
1296  * It is only valid to call this function if \p type is a \c MONO_TYPE_ARRAY .
1297  * \returns a \c MonoArrayType struct describing the array type that \p type
1298  * represents. The info includes details such as rank, array element type
1299  * and the sizes and bounds of multidimensional arrays.
1300  */
1301 static inline MonoArrayType*
1302 mono_type_get_array_type_internal (MonoType *type)
1303 {
1304         return type->data.array;
1305 }
1306
1307 #endif /* __MONO_METADATA_INTERNALS_H__ */