2 #ifndef __MONO_METADATA_INTERNALS_H__
3 #define __MONO_METADATA_INTERNALS_H__
5 #include "mono/metadata/image.h"
6 #include "mono/metadata/blob.h"
7 #include "mono/metadata/mempool.h"
8 #include "mono/metadata/domain-internals.h"
9 #include "mono/metadata/mono-hash.h"
10 #include "mono/utils/mono-compiler.h"
11 #include "mono/utils/mono-dl.h"
12 #include "mono/utils/monobitset.h"
13 #include "mono/utils/mono-property-hash.h"
14 #include "mono/utils/mono-value-hash.h"
15 #include <mono/utils/mono-error.h>
19 MonoClass *klass; /* for VALUETYPE and CLASS */
20 MonoType *type; /* for PTR */
21 MonoArrayType *array; /* for ARRAY */
22 MonoMethodSignature *method;
23 MonoGenericParam *generic_param; /* for VAR and MVAR */
24 MonoGenericClass *generic_class; /* for GENERICINST */
26 unsigned int attrs : 16; /* param attributes or field flags */
27 MonoTypeEnum type : 8;
28 unsigned int num_mods : 6; /* max 64 modifiers follow at the end */
29 unsigned int byref : 1;
30 unsigned int pinned : 1; /* valid when included in a local var signature */
31 MonoCustomMod modifiers [MONO_ZERO_LEN_ARRAY]; /* this may grow */
34 #define MONO_SIZEOF_TYPE (offsetof (struct _MonoType, modifiers))
36 #define MONO_SECMAN_FLAG_INIT(x) (x & 0x2)
37 #define MONO_SECMAN_FLAG_GET_VALUE(x) (x & 0x1)
38 #define MONO_SECMAN_FLAG_SET_VALUE(x,y) do { x = ((y) ? 0x3 : 0x2); } while (0)
40 #define MONO_PUBLIC_KEY_TOKEN_LENGTH 17
42 struct _MonoAssemblyName {
45 const char *hash_value;
46 const mono_byte* public_key;
47 // string of 16 hex chars + 1 NULL
48 mono_byte public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
52 uint16_t major, minor, build, revision;
55 struct MonoTypeNameParse {
58 MonoAssemblyName assembly;
59 GList *modifiers; /* 0 -> byref, -1 -> pointer, > 0 -> array rank */
60 GPtrArray *type_arguments;
64 struct _MonoAssembly {
66 * The number of appdomains which have this assembly loaded plus the number of
67 * assemblies referencing this assembly through an entry in their image->references
68 * arrays. The later is needed because entries in the image->references array
69 * might point to assemblies which are only loaded in some appdomains, and without
70 * the additional reference, they can be freed at any time.
71 * The ref_count is initially 0.
73 int ref_count; /* use atomic operations only */
75 MonoAssemblyName aname;
77 GSList *friend_assembly_names; /* Computed by mono_assembly_load_friends () */
78 guint8 friend_assembly_names_inited;
81 guint8 corlib_internal;
83 guint8 wrap_non_exception_throws;
84 guint8 wrap_non_exception_throws_inited;
85 /* security manager flags (one bit is for lazy initialization) */
86 guint32 ecma:2; /* Has the ECMA key */
87 guint32 aptc:2; /* Has the [AllowPartiallyTrustedCallers] attributes */
88 guint32 fulltrust:2; /* Has FullTrust permission */
89 guint32 unmanaged:2; /* Has SecurityPermissionFlag.UnmanagedCode permission */
90 guint32 skipverification:2; /* Has SecurityPermissionFlag.SkipVerification permission */
98 struct _MonoTableInfo {
104 * Tables contain up to 9 columns and the possible sizes of the
105 * fields in the documentation are 1, 2 and 4 bytes. So we
106 * can encode in 2 bits the size.
108 * A 32 bit value can encode the resulting size
110 * The top eight bits encode the number of columns in the table.
111 * we only need 4, but 8 is aligned no shift required.
113 guint32 size_bitfield;
116 #define REFERENCE_MISSING ((gpointer) -1)
118 typedef struct _MonoDllMap MonoDllMap;
122 * The number of assemblies which reference this MonoImage though their 'image'
123 * field plus the number of images which reference this MonoImage through their
124 * 'modules' field, plus the number of threads holding temporary references to
125 * this image between calls of mono_image_open () and mono_image_close ().
128 void *raw_data_handle;
130 guint32 raw_data_len;
131 guint8 raw_buffer_used : 1;
132 guint8 raw_data_allocated : 1;
135 /* Module was loaded using LoadLibrary. */
136 guint8 is_module_handle : 1;
138 /* Module entry point is _CorDllMain. */
139 guint8 has_entry_point : 1;
142 /* Whenever this is a dynamically emitted module */
145 /* Whenever this is a reflection only image */
148 /* Whenever this image contains uncompressed metadata */
149 guint8 uncompressed_metadata : 1;
151 guint8 checked_module_cctor : 1;
152 guint8 has_module_cctor : 1;
154 guint8 idx_string_wide : 1;
155 guint8 idx_guid_wide : 1;
156 guint8 idx_blob_wide : 1;
158 /* Whenever this image is considered as platform code for the CoreCLR security model */
159 guint8 core_clr_platform_code : 1;
162 const char *assembly_name;
163 const char *module_name;
165 gint16 md_version_major, md_version_minor;
168 MonoMemPool *mempool; /*protected by the image lock*/
172 MonoStreamHeader heap_strings;
173 MonoStreamHeader heap_us;
174 MonoStreamHeader heap_blob;
175 MonoStreamHeader heap_guid;
176 MonoStreamHeader heap_tables;
178 const char *tables_base;
181 MonoTableInfo tables [MONO_TABLE_NUM];
184 * references is initialized only by using the mono_assembly_open
185 * function, and not by using the lowlevel mono_image_open.
187 * It is NULL terminated.
189 MonoAssembly **references;
192 guint32 module_count;
193 gboolean *modules_loaded;
200 * The Assembly this image was loaded from.
202 MonoAssembly *assembly;
205 * Indexed by method tokens and typedef tokens.
207 GHashTable *method_cache; /*protected by the image lock*/
208 MonoInternalHashTable class_cache;
210 /* Indexed by memberref + methodspec tokens */
211 GHashTable *methodref_cache; /*protected by the image lock*/
214 * Indexed by fielddef and memberref tokens
216 GHashTable *field_cache;
218 /* indexed by typespec tokens. */
219 GHashTable *typespec_cache;
220 /* indexed by token */
221 GHashTable *memberref_signatures;
222 GHashTable *helper_signatures;
224 /* Indexed by blob heap indexes */
225 GHashTable *method_signatures;
228 * Indexes namespaces to hash tables that map class name to typedef token.
230 GHashTable *name_cache; /*protected by the image lock*/
233 * Indexed by MonoClass
235 GHashTable *array_cache;
236 GHashTable *ptr_cache;
238 GHashTable *szarray_cache;
239 /* This has a separate lock to improve scalability */
240 CRITICAL_SECTION szarray_cache_lock;
243 * indexed by MonoMethodSignature
245 GHashTable *delegate_begin_invoke_cache;
246 GHashTable *delegate_end_invoke_cache;
247 GHashTable *delegate_invoke_cache;
248 GHashTable *runtime_invoke_cache;
251 * indexed by SignatureMethodPair
253 GHashTable *delegate_abstract_invoke_cache;
256 * indexed by SignatureMethodPair
258 GHashTable *delegate_bound_static_invoke_cache;
260 * indexed by MonoMethod pointers
262 GHashTable *runtime_invoke_direct_cache;
263 GHashTable *runtime_invoke_vcall_cache;
264 GHashTable *managed_wrapper_cache;
265 GHashTable *native_wrapper_cache;
266 GHashTable *native_wrapper_aot_cache;
267 GHashTable *remoting_invoke_cache;
268 GHashTable *synchronized_cache;
269 GHashTable *unbox_wrapper_cache;
270 GHashTable *cominterop_invoke_cache;
271 GHashTable *cominterop_wrapper_cache; /* LOCKING: marshal lock */
272 GHashTable *thunk_invoke_cache;
275 * indexed by MonoClass pointers
277 GHashTable *ldfld_wrapper_cache;
278 GHashTable *ldflda_wrapper_cache;
279 GHashTable *stfld_wrapper_cache;
280 GHashTable *isinst_cache;
281 GHashTable *castclass_cache;
282 GHashTable *proxy_isinst_cache;
283 GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
285 /* Contains rarely used fields of runtime structures belonging to this image */
286 MonoPropertyHash *property_hash;
288 void *reflection_info;
291 * user_info is a public field and is not touched by the
296 /* dll map entries */
299 /* interfaces IDs from this image */
300 MonoBitSet *interface_bitset;
302 /* when the image is being closed, this is abused as a list of
303 malloc'ed regions to be freed. */
304 GSList *reflection_info_unregister_classes;
306 /* List of image sets containing this image */
310 * No other runtime locks must be taken while holding this lock.
311 * It's meant to be used only to mutate and query structures part of this image.
313 CRITICAL_SECTION lock;
317 * Generic instances depend on many images, and they need to be deleted if one
318 * of the images they depend on is unloaded. For example,
319 * List<Foo> depends on both List's image and Foo's image.
320 * A MonoImageSet is the owner of all generic instances depending on the same set of
327 GHashTable *gclass_cache, *ginst_cache, *gmethod_cache, *gsignature_cache;
329 CRITICAL_SECTION lock;
332 * Memory for generic instances owned by this image set should be allocated from
333 * this mempool, using the mono_image_set_alloc family of functions.
335 MonoMemPool *mempool;
348 guint32 alloc_size; /* malloced bytes */
350 guint32 offset; /* from start of metadata */
356 guint8 row_size; /* calculated later with column_sizes */
359 guint32 *values; /* rows * columns */
362 struct _MonoDynamicAssembly {
363 MonoAssembly assembly;
365 guint32 strong_name_size;
371 struct _MonoDynamicImage {
375 guint32 metadata_rva;
377 guint32 cli_header_offset;
381 guint32 imp_names_offset;
387 } sections [MONO_SECTION_MAX];
388 GHashTable *typespec;
390 GHashTable *handleref;
391 MonoGHashTable *handleref_managed;
392 MonoGHashTable *tokens;
393 GHashTable *blob_cache;
394 GHashTable *standalonesig_cache;
395 GList *array_methods;
396 GPtrArray *gen_params;
397 MonoGHashTable *token_fixups;
398 GHashTable *method_to_table_idx;
399 GHashTable *field_to_table_idx;
400 GHashTable *method_aux_hash;
401 GHashTable *vararg_aux_hash;
402 MonoGHashTable *generic_def_objects;
403 MonoGHashTable *methodspec;
406 gboolean initial_image;
407 guint32 pe_kind, machine;
409 guint32 strong_name_size;
411 guint32 win32_res_size;
414 MonoDynamicStream sheap;
415 MonoDynamicStream code; /* used to store method headers and bytecode */
416 MonoDynamicStream resources; /* managed embedded resources */
417 MonoDynamicStream us;
418 MonoDynamicStream blob;
419 MonoDynamicStream tstream;
420 MonoDynamicStream guid;
421 MonoDynamicTable tables [MONO_TABLE_NUM];
422 MonoClass *wrappers_type; /*wrappers are bound to this type instead of <Module>*/
425 /* Contains information about assembly binding */
426 typedef struct _MonoAssemblyBindingInfo {
429 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
432 AssemblyVersionSet old_version_bottom;
433 AssemblyVersionSet old_version_top;
434 AssemblyVersionSet new_version;
435 guint has_old_version_bottom : 1;
436 guint has_old_version_top : 1;
437 guint has_new_version : 1;
439 } MonoAssemblyBindingInfo;
441 struct _MonoMethodHeader {
442 const unsigned char *code;
443 #ifdef MONO_SMALL_CONFIG
448 guint16 max_stack : 15;
449 unsigned int is_transient: 1; /* mono_metadata_free_mh () will actually free this header */
450 unsigned int num_clauses : 15;
451 /* if num_locals != 0, then the following apply: */
452 unsigned int init_locals : 1;
454 MonoExceptionClause *clauses;
455 MonoType *locals [MONO_ZERO_LEN_ARRAY];
460 gboolean has_clauses;
461 } MonoMethodHeaderSummary;
463 #define MONO_SIZEOF_METHOD_HEADER (sizeof (struct _MonoMethodHeader) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
465 struct _MonoMethodSignature {
467 #ifdef MONO_SMALL_CONFIG
470 unsigned int generic_param_count : 5;
474 unsigned int generic_param_count : 16;
476 unsigned int call_convention : 6;
477 unsigned int hasthis : 1;
478 unsigned int explicit_this : 1;
479 unsigned int pinvoke : 1;
480 unsigned int is_inflated : 1;
481 unsigned int has_type_parameters : 1;
482 MonoType *params [MONO_ZERO_LEN_ARRAY];
485 #define MONO_SIZEOF_METHOD_SIGNATURE (sizeof (struct _MonoMethodSignature) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
487 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
488 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
491 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
494 mono_image_alloc (MonoImage *image, guint size) MONO_INTERNAL;
497 mono_image_alloc0 (MonoImage *image, guint size) MONO_INTERNAL;
500 mono_image_strdup (MonoImage *image, const char *s) MONO_INTERNAL;
503 g_list_prepend_image (MonoImage *image, GList *list, gpointer data) MONO_INTERNAL;
506 g_slist_append_image (MonoImage *image, GSList *list, gpointer data) MONO_INTERNAL;
509 mono_image_lock (MonoImage *image) MONO_INTERNAL;
512 mono_image_unlock (MonoImage *image) MONO_INTERNAL;
515 mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property) MONO_INTERNAL;
518 mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value) MONO_INTERNAL;
521 mono_image_property_remove (MonoImage *image, gpointer subject) MONO_INTERNAL;
524 mono_image_close_except_pools (MonoImage *image) MONO_INTERNAL;
527 mono_image_close_finish (MonoImage *image) MONO_INTERNAL;
529 typedef void (*MonoImageUnloadFunc) (MonoImage *image, gpointer user_data);
532 mono_install_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
535 mono_remove_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
538 mono_metadata_get_shared_type (MonoType *type) MONO_INTERNAL;
541 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
544 mono_metadata_clean_generic_classes_for_image (MonoImage *image) MONO_INTERNAL;
547 mono_metadata_cleanup (void);
549 const char * mono_meta_table_name (int table) MONO_INTERNAL;
550 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
553 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
555 MonoClass ***interfaces,
557 gboolean heap_alloc_result,
558 MonoGenericContext *context) MONO_INTERNAL;
561 mono_metadata_parse_array_full (MonoImage *image,
562 MonoGenericContainer *container,
564 const char **rptr) MONO_INTERNAL;
567 mono_metadata_parse_type_full (MonoImage *image,
568 MonoGenericContainer *container,
569 MonoParseTypeMode mode,
574 MonoMethodSignature *
575 mono_metadata_parse_signature_full (MonoImage *image,
576 MonoGenericContainer *generic_container,
577 guint32 token) MONO_INTERNAL;
579 MonoMethodSignature *
580 mono_metadata_parse_method_signature_full (MonoImage *image,
581 MonoGenericContainer *generic_container,
587 mono_metadata_parse_mh_full (MonoImage *image,
588 MonoGenericContainer *container,
592 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary) MONO_INTERNAL;
594 int* mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count) MONO_INTERNAL;
595 gboolean mono_metadata_method_has_param_attrs (MonoImage *m, int def) MONO_INTERNAL;
598 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
601 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
602 const MonoGenericContext *g2) MONO_INTERNAL;
605 mono_metadata_parse_generic_inst (MonoImage *image,
606 MonoGenericContainer *container,
609 const char **rptr) MONO_INTERNAL;
612 mono_metadata_get_generic_inst (int type_argc,
613 MonoType **type_argv) MONO_INTERNAL;
616 mono_metadata_lookup_generic_class (MonoClass *gclass,
617 MonoGenericInst *inst,
618 gboolean is_dynamic) MONO_INTERNAL;
620 MonoGenericInst * mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error) MONO_INTERNAL;
622 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
623 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
624 void mono_assembly_load_friends (MonoAssembly* ass) MONO_INTERNAL;
625 gboolean mono_assembly_has_skip_verification (MonoAssembly* ass) MONO_INTERNAL;
627 gboolean mono_assembly_close_except_image_pools (MonoAssembly *assembly) MONO_INTERNAL;
628 void mono_assembly_close_finish (MonoAssembly *assembly) MONO_INTERNAL;
631 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2) MONO_INTERNAL;
633 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
634 void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
635 void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data)) MONO_INTERNAL;
638 mono_assembly_name_parse_full (const char *name,
639 MonoAssemblyName *aname,
640 gboolean save_public_key,
641 gboolean *is_version_defined,
642 gboolean *is_token_defined) MONO_INTERNAL;
644 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
646 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
649 MonoType *mono_metadata_type_dup (MonoImage *image, const MonoType *original) MONO_INTERNAL;
650 MonoMethodSignature *mono_metadata_signature_dup_full (MonoImage *image,MonoMethodSignature *sig) MONO_INTERNAL;
651 MonoMethodSignature *mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig) MONO_INTERNAL;
654 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
657 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open) MONO_INTERNAL;
659 void mono_type_get_desc (GString *res, MonoType *type, mono_bool include_namespace);
662 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only) MONO_INTERNAL;
665 mono_metadata_parse_marshal_spec_full (MonoImage *image, const char *ptr) MONO_INTERNAL;
667 guint mono_metadata_generic_inst_hash (gconstpointer data) MONO_INTERNAL;
668 gboolean mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb) MONO_INTERNAL;
671 mono_metadata_field_info_with_mempool (
676 MonoMarshalSpec **marshal_spec);
679 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field) MONO_INTERNAL;
682 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event) MONO_INTERNAL;
685 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property) MONO_INTERNAL;
688 mono_metadata_signature_size (MonoMethodSignature *sig) MONO_INTERNAL;
690 guint mono_metadata_str_hash (gconstpointer v1) MONO_INTERNAL;
692 gboolean mono_image_load_pe_data (MonoImage *image) MONO_INTERNAL;
694 gboolean mono_image_load_cli_data (MonoImage *image) MONO_INTERNAL;
696 void mono_image_load_names (MonoImage *image) MONO_INTERNAL;
698 MonoImage *mono_image_open_raw (const char *fname, MonoImageOpenStatus *status) MONO_INTERNAL;
700 MonoException *mono_get_exception_field_access_msg (const char *msg) MONO_INTERNAL;
702 MonoException *mono_get_exception_method_access_msg (const char *msg) MONO_INTERNAL;
704 #endif /* __MONO_METADATA_INTERNALS_H__ */