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 #define MONO_PROCESSOR_ARCHITECTURE_NONE 0
43 #define MONO_PROCESSOR_ARCHITECTURE_MSIL 1
44 #define MONO_PROCESSOR_ARCHITECTURE_X86 2
45 #define MONO_PROCESSOR_ARCHITECTURE_IA64 3
46 #define MONO_PROCESSOR_ARCHITECTURE_AMD64 4
48 struct _MonoAssemblyName {
51 const char *hash_value;
52 const mono_byte* public_key;
53 // string of 16 hex chars + 1 NULL
54 mono_byte public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
58 uint16_t major, minor, build, revision, arch;
61 struct MonoTypeNameParse {
64 MonoAssemblyName assembly;
65 GList *modifiers; /* 0 -> byref, -1 -> pointer, > 0 -> array rank */
66 GPtrArray *type_arguments;
70 struct _MonoAssembly {
72 * The number of appdomains which have this assembly loaded plus the number of
73 * assemblies referencing this assembly through an entry in their image->references
74 * arrays. The later is needed because entries in the image->references array
75 * might point to assemblies which are only loaded in some appdomains, and without
76 * the additional reference, they can be freed at any time.
77 * The ref_count is initially 0.
79 int ref_count; /* use atomic operations only */
81 MonoAssemblyName aname;
83 GSList *friend_assembly_names; /* Computed by mono_assembly_load_friends () */
84 guint8 friend_assembly_names_inited;
87 guint8 corlib_internal;
89 guint8 wrap_non_exception_throws;
90 guint8 wrap_non_exception_throws_inited;
91 guint8 jit_optimizer_disabled;
92 guint8 jit_optimizer_disabled_inited;
93 /* security manager flags (one bit is for lazy initialization) */
94 guint32 ecma:2; /* Has the ECMA key */
95 guint32 aptc:2; /* Has the [AllowPartiallyTrustedCallers] attributes */
96 guint32 fulltrust:2; /* Has FullTrust permission */
97 guint32 unmanaged:2; /* Has SecurityPermissionFlag.UnmanagedCode permission */
98 guint32 skipverification:2; /* Has SecurityPermissionFlag.SkipVerification permission */
106 struct _MonoTableInfo {
112 * Tables contain up to 9 columns and the possible sizes of the
113 * fields in the documentation are 1, 2 and 4 bytes. So we
114 * can encode in 2 bits the size.
116 * A 32 bit value can encode the resulting size
118 * The top eight bits encode the number of columns in the table.
119 * we only need 4, but 8 is aligned no shift required.
121 guint32 size_bitfield;
124 #define REFERENCE_MISSING ((gpointer) -1)
126 typedef struct _MonoDllMap MonoDllMap;
130 * The number of assemblies which reference this MonoImage though their 'image'
131 * field plus the number of images which reference this MonoImage through their
132 * 'modules' field, plus the number of threads holding temporary references to
133 * this image between calls of mono_image_open () and mono_image_close ().
136 void *raw_data_handle;
138 guint32 raw_data_len;
139 guint8 raw_buffer_used : 1;
140 guint8 raw_data_allocated : 1;
143 /* Module was loaded using LoadLibrary. */
144 guint8 is_module_handle : 1;
146 /* Module entry point is _CorDllMain. */
147 guint8 has_entry_point : 1;
150 /* Whenever this is a dynamically emitted module */
153 /* Whenever this is a reflection only image */
156 /* Whenever this image contains uncompressed metadata */
157 guint8 uncompressed_metadata : 1;
159 guint8 checked_module_cctor : 1;
160 guint8 has_module_cctor : 1;
162 guint8 idx_string_wide : 1;
163 guint8 idx_guid_wide : 1;
164 guint8 idx_blob_wide : 1;
166 /* Whenever this image is considered as platform code for the CoreCLR security model */
167 guint8 core_clr_platform_code : 1;
170 const char *assembly_name;
171 const char *module_name;
173 gint16 md_version_major, md_version_minor;
176 MonoMemPool *mempool; /*protected by the image lock*/
180 MonoStreamHeader heap_strings;
181 MonoStreamHeader heap_us;
182 MonoStreamHeader heap_blob;
183 MonoStreamHeader heap_guid;
184 MonoStreamHeader heap_tables;
186 const char *tables_base;
189 MonoTableInfo tables [MONO_TABLE_NUM];
192 * references is initialized only by using the mono_assembly_open
193 * function, and not by using the lowlevel mono_image_open.
195 * It is NULL terminated.
197 MonoAssembly **references;
200 guint32 module_count;
201 gboolean *modules_loaded;
208 * The Assembly this image was loaded from.
210 MonoAssembly *assembly;
213 * Indexed by method tokens and typedef tokens.
215 GHashTable *method_cache; /*protected by the image lock*/
216 MonoInternalHashTable class_cache;
218 /* Indexed by memberref + methodspec tokens */
219 GHashTable *methodref_cache; /*protected by the image lock*/
222 * Indexed by fielddef and memberref tokens
224 GHashTable *field_cache;
226 /* indexed by typespec tokens. */
227 GHashTable *typespec_cache;
228 /* indexed by token */
229 GHashTable *memberref_signatures;
230 GHashTable *helper_signatures;
232 /* Indexed by blob heap indexes */
233 GHashTable *method_signatures;
236 * Indexes namespaces to hash tables that map class name to typedef token.
238 GHashTable *name_cache; /*protected by the image lock*/
241 * Indexed by MonoClass
243 GHashTable *array_cache;
244 GHashTable *ptr_cache;
246 GHashTable *szarray_cache;
247 /* This has a separate lock to improve scalability */
248 CRITICAL_SECTION szarray_cache_lock;
251 * indexed by MonoMethodSignature
253 GHashTable *delegate_begin_invoke_cache;
254 GHashTable *delegate_end_invoke_cache;
255 GHashTable *delegate_invoke_cache;
256 GHashTable *runtime_invoke_cache;
259 * indexed by SignatureMethodPair
261 GHashTable *complex_delegate_cache;
264 * indexed by MonoMethod pointers
266 GHashTable *runtime_invoke_direct_cache;
267 GHashTable *runtime_invoke_vcall_cache;
268 GHashTable *managed_wrapper_cache;
269 GHashTable *native_wrapper_cache;
270 GHashTable *native_wrapper_aot_cache;
271 GHashTable *remoting_invoke_cache;
272 GHashTable *synchronized_cache;
273 GHashTable *unbox_wrapper_cache;
274 GHashTable *cominterop_invoke_cache;
275 GHashTable *cominterop_wrapper_cache; /* LOCKING: marshal lock */
276 GHashTable *thunk_invoke_cache;
277 GHashTable *wrapper_param_names;
280 * indexed by MonoClass pointers
282 GHashTable *ldfld_wrapper_cache;
283 GHashTable *ldflda_wrapper_cache;
284 GHashTable *stfld_wrapper_cache;
285 GHashTable *isinst_cache;
286 GHashTable *castclass_cache;
287 GHashTable *proxy_isinst_cache;
288 GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
290 /* Contains rarely used fields of runtime structures belonging to this image */
291 MonoPropertyHash *property_hash;
293 void *reflection_info;
296 * user_info is a public field and is not touched by the
301 /* dll map entries */
304 /* interfaces IDs from this image */
305 MonoBitSet *interface_bitset;
307 /* when the image is being closed, this is abused as a list of
308 malloc'ed regions to be freed. */
309 GSList *reflection_info_unregister_classes;
311 /* List of image sets containing this image */
314 /* Caches for MonoClass-es representing anon generic params */
315 MonoClass **var_cache_fast;
316 MonoClass **mvar_cache_fast;
317 GHashTable *var_cache_slow;
318 GHashTable *mvar_cache_slow;
321 * No other runtime locks must be taken while holding this lock.
322 * It's meant to be used only to mutate and query structures part of this image.
324 CRITICAL_SECTION lock;
328 * Generic instances depend on many images, and they need to be deleted if one
329 * of the images they depend on is unloaded. For example,
330 * List<Foo> depends on both List's image and Foo's image.
331 * A MonoImageSet is the owner of all generic instances depending on the same set of
338 GHashTable *gclass_cache, *ginst_cache, *gmethod_cache, *gsignature_cache;
340 CRITICAL_SECTION lock;
343 * Memory for generic instances owned by this image set should be allocated from
344 * this mempool, using the mono_image_set_alloc family of functions.
346 MonoMemPool *mempool;
359 guint32 alloc_size; /* malloced bytes */
361 guint32 offset; /* from start of metadata */
367 guint8 row_size; /* calculated later with column_sizes */
370 guint32 *values; /* rows * columns */
373 struct _MonoDynamicAssembly {
374 MonoAssembly assembly;
376 guint32 strong_name_size;
382 struct _MonoDynamicImage {
386 guint32 metadata_rva;
388 guint32 cli_header_offset;
392 guint32 imp_names_offset;
398 } sections [MONO_SECTION_MAX];
399 GHashTable *typespec;
401 GHashTable *handleref;
402 MonoGHashTable *handleref_managed;
403 MonoGHashTable *tokens;
404 GHashTable *blob_cache;
405 GHashTable *standalonesig_cache;
406 GList *array_methods;
407 GPtrArray *gen_params;
408 MonoGHashTable *token_fixups;
409 GHashTable *method_to_table_idx;
410 GHashTable *field_to_table_idx;
411 GHashTable *method_aux_hash;
412 GHashTable *vararg_aux_hash;
413 MonoGHashTable *generic_def_objects;
414 MonoGHashTable *methodspec;
417 gboolean initial_image;
418 guint32 pe_kind, machine;
420 guint32 strong_name_size;
422 guint32 win32_res_size;
425 MonoDynamicStream sheap;
426 MonoDynamicStream code; /* used to store method headers and bytecode */
427 MonoDynamicStream resources; /* managed embedded resources */
428 MonoDynamicStream us;
429 MonoDynamicStream blob;
430 MonoDynamicStream tstream;
431 MonoDynamicStream guid;
432 MonoDynamicTable tables [MONO_TABLE_NUM];
433 MonoClass *wrappers_type; /*wrappers are bound to this type instead of <Module>*/
436 /* Contains information about assembly binding */
437 typedef struct _MonoAssemblyBindingInfo {
440 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
443 AssemblyVersionSet old_version_bottom;
444 AssemblyVersionSet old_version_top;
445 AssemblyVersionSet new_version;
446 guint has_old_version_bottom : 1;
447 guint has_old_version_top : 1;
448 guint has_new_version : 1;
450 gint32 domain_id; /*Needed to unload per-domain binding*/
451 } MonoAssemblyBindingInfo;
453 struct _MonoMethodHeader {
454 const unsigned char *code;
455 #ifdef MONO_SMALL_CONFIG
460 guint16 max_stack : 15;
461 unsigned int is_transient: 1; /* mono_metadata_free_mh () will actually free this header */
462 unsigned int num_clauses : 15;
463 /* if num_locals != 0, then the following apply: */
464 unsigned int init_locals : 1;
466 MonoExceptionClause *clauses;
467 MonoType *locals [MONO_ZERO_LEN_ARRAY];
472 gboolean has_clauses;
473 } MonoMethodHeaderSummary;
475 #define MONO_SIZEOF_METHOD_HEADER (sizeof (struct _MonoMethodHeader) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
477 struct _MonoMethodSignature {
479 #ifdef MONO_SMALL_CONFIG
482 unsigned int generic_param_count : 5;
486 unsigned int generic_param_count : 16;
488 unsigned int call_convention : 6;
489 unsigned int hasthis : 1;
490 unsigned int explicit_this : 1;
491 unsigned int pinvoke : 1;
492 unsigned int is_inflated : 1;
493 unsigned int has_type_parameters : 1;
494 MonoType *params [MONO_ZERO_LEN_ARRAY];
497 #define MONO_SIZEOF_METHOD_SIGNATURE (sizeof (struct _MonoMethodSignature) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
499 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
500 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
503 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
506 mono_image_alloc (MonoImage *image, guint size) MONO_INTERNAL;
509 mono_image_alloc0 (MonoImage *image, guint size) MONO_INTERNAL;
511 #define mono_image_new0(image,type,size) ((type *) mono_image_alloc0 (image, sizeof (type)* (size)))
514 mono_image_strdup (MonoImage *image, const char *s) MONO_INTERNAL;
517 g_list_prepend_image (MonoImage *image, GList *list, gpointer data) MONO_INTERNAL;
520 g_slist_append_image (MonoImage *image, GSList *list, gpointer data) MONO_INTERNAL;
523 mono_image_lock (MonoImage *image) MONO_INTERNAL;
526 mono_image_unlock (MonoImage *image) MONO_INTERNAL;
529 mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property) MONO_INTERNAL;
532 mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value) MONO_INTERNAL;
535 mono_image_property_remove (MonoImage *image, gpointer subject) MONO_INTERNAL;
538 mono_image_close_except_pools (MonoImage *image) MONO_INTERNAL;
541 mono_image_close_finish (MonoImage *image) MONO_INTERNAL;
543 typedef void (*MonoImageUnloadFunc) (MonoImage *image, gpointer user_data);
546 mono_install_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
549 mono_remove_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
552 mono_image_set_alloc (MonoImageSet *set, guint size) MONO_INTERNAL;
555 mono_image_set_alloc0 (MonoImageSet *set, guint size) MONO_INTERNAL;
558 mono_image_set_strdup (MonoImageSet *set, const char *s) MONO_INTERNAL;
560 #define mono_image_set_new0(image,type,size) ((type *) mono_image_set_alloc0 (image, sizeof (type)* (size)))
563 mono_metadata_get_shared_type (MonoType *type) MONO_INTERNAL;
566 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
569 mono_metadata_clean_generic_classes_for_image (MonoImage *image) MONO_INTERNAL;
572 mono_metadata_cleanup (void);
574 const char * mono_meta_table_name (int table) MONO_INTERNAL;
575 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
578 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
580 MonoClass ***interfaces,
582 gboolean heap_alloc_result,
583 MonoGenericContext *context) MONO_INTERNAL;
586 mono_metadata_parse_array_full (MonoImage *image,
587 MonoGenericContainer *container,
589 const char **rptr) MONO_INTERNAL;
592 mono_metadata_parse_type_full (MonoImage *image,
593 MonoGenericContainer *container,
594 MonoParseTypeMode mode,
599 MonoMethodSignature *
600 mono_metadata_parse_signature_full (MonoImage *image,
601 MonoGenericContainer *generic_container,
602 guint32 token) MONO_INTERNAL;
604 MonoMethodSignature *
605 mono_metadata_parse_method_signature_full (MonoImage *image,
606 MonoGenericContainer *generic_container,
612 mono_metadata_parse_mh_full (MonoImage *image,
613 MonoGenericContainer *container,
617 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary) MONO_INTERNAL;
619 int* mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count) MONO_INTERNAL;
620 gboolean mono_metadata_method_has_param_attrs (MonoImage *m, int def) MONO_INTERNAL;
623 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
626 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
627 const MonoGenericContext *g2) MONO_INTERNAL;
630 mono_metadata_parse_generic_inst (MonoImage *image,
631 MonoGenericContainer *container,
634 const char **rptr) MONO_INTERNAL;
637 mono_metadata_get_generic_inst (int type_argc,
638 MonoType **type_argv) MONO_INTERNAL;
641 mono_metadata_lookup_generic_class (MonoClass *gclass,
642 MonoGenericInst *inst,
643 gboolean is_dynamic) MONO_INTERNAL;
645 MonoGenericInst * mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error) MONO_INTERNAL;
647 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
648 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
649 void mono_assembly_load_friends (MonoAssembly* ass) MONO_INTERNAL;
650 gboolean mono_assembly_has_skip_verification (MonoAssembly* ass) MONO_INTERNAL;
652 gboolean mono_assembly_close_except_image_pools (MonoAssembly *assembly) MONO_INTERNAL;
653 void mono_assembly_close_finish (MonoAssembly *assembly) MONO_INTERNAL;
656 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2) MONO_INTERNAL;
658 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
659 void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
660 void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data)) MONO_INTERNAL;
663 mono_assembly_name_parse_full (const char *name,
664 MonoAssemblyName *aname,
665 gboolean save_public_key,
666 gboolean *is_version_defined,
667 gboolean *is_token_defined) MONO_INTERNAL;
669 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
671 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
674 MonoType *mono_metadata_type_dup (MonoImage *image, const MonoType *original) MONO_INTERNAL;
675 MonoMethodSignature *mono_metadata_signature_dup_full (MonoImage *image,MonoMethodSignature *sig) MONO_INTERNAL;
676 MonoMethodSignature *mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig) MONO_INTERNAL;
679 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
682 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open) MONO_INTERNAL;
684 void mono_type_get_desc (GString *res, MonoType *type, mono_bool include_namespace);
687 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only) MONO_INTERNAL;
690 mono_metadata_parse_marshal_spec_full (MonoImage *image, const char *ptr) MONO_INTERNAL;
692 guint mono_metadata_generic_inst_hash (gconstpointer data) MONO_INTERNAL;
693 gboolean mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb) MONO_INTERNAL;
696 mono_metadata_field_info_with_mempool (
701 MonoMarshalSpec **marshal_spec);
704 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field) MONO_INTERNAL;
707 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event) MONO_INTERNAL;
710 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property) MONO_INTERNAL;
713 mono_metadata_signature_size (MonoMethodSignature *sig) MONO_INTERNAL;
715 guint mono_metadata_str_hash (gconstpointer v1) MONO_INTERNAL;
717 gboolean mono_image_load_pe_data (MonoImage *image) MONO_INTERNAL;
719 gboolean mono_image_load_cli_data (MonoImage *image) MONO_INTERNAL;
721 void mono_image_load_names (MonoImage *image) MONO_INTERNAL;
723 MonoImage *mono_image_open_raw (const char *fname, MonoImageOpenStatus *status) MONO_INTERNAL;
725 MonoException *mono_get_exception_field_access_msg (const char *msg) MONO_INTERNAL;
727 MonoException *mono_get_exception_method_access_msg (const char *msg) MONO_INTERNAL;
729 MonoMethod* method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context) MONO_INTERNAL;
731 MonoMethod *mono_get_method_constrained_with_method (MonoImage *image, MonoMethod *method, MonoClass *constrained_class, MonoGenericContext *context) MONO_INTERNAL;
733 #endif /* __MONO_METADATA_INTERNALS_H__ */