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
47 #define MONO_PROCESSOR_ARCHITECTURE_ARM 5
49 struct _MonoAssemblyName {
52 const char *hash_value;
53 const mono_byte* public_key;
54 // string of 16 hex chars + 1 NULL
55 mono_byte public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
59 uint16_t major, minor, build, revision, arch;
62 struct MonoTypeNameParse {
65 MonoAssemblyName assembly;
66 GList *modifiers; /* 0 -> byref, -1 -> pointer, > 0 -> array rank */
67 GPtrArray *type_arguments;
71 struct _MonoAssembly {
73 * The number of appdomains which have this assembly loaded plus the number of
74 * assemblies referencing this assembly through an entry in their image->references
75 * arrays. The later is needed because entries in the image->references array
76 * might point to assemblies which are only loaded in some appdomains, and without
77 * the additional reference, they can be freed at any time.
78 * The ref_count is initially 0.
80 int ref_count; /* use atomic operations only */
82 MonoAssemblyName aname;
84 GSList *friend_assembly_names; /* Computed by mono_assembly_load_friends () */
85 guint8 friend_assembly_names_inited;
88 guint8 corlib_internal;
90 guint8 wrap_non_exception_throws;
91 guint8 wrap_non_exception_throws_inited;
92 guint8 jit_optimizer_disabled;
93 guint8 jit_optimizer_disabled_inited;
94 /* security manager flags (one bit is for lazy initialization) */
95 guint32 ecma:2; /* Has the ECMA key */
96 guint32 aptc:2; /* Has the [AllowPartiallyTrustedCallers] attributes */
97 guint32 fulltrust:2; /* Has FullTrust permission */
98 guint32 unmanaged:2; /* Has SecurityPermissionFlag.UnmanagedCode permission */
99 guint32 skipverification:2; /* Has SecurityPermissionFlag.SkipVerification permission */
107 struct _MonoTableInfo {
113 * Tables contain up to 9 columns and the possible sizes of the
114 * fields in the documentation are 1, 2 and 4 bytes. So we
115 * can encode in 2 bits the size.
117 * A 32 bit value can encode the resulting size
119 * The top eight bits encode the number of columns in the table.
120 * we only need 4, but 8 is aligned no shift required.
122 guint32 size_bitfield;
125 #define REFERENCE_MISSING ((gpointer) -1)
127 typedef struct _MonoDllMap MonoDllMap;
131 * The number of assemblies which reference this MonoImage though their 'image'
132 * field plus the number of images which reference this MonoImage through their
133 * 'modules' field, plus the number of threads holding temporary references to
134 * this image between calls of mono_image_open () and mono_image_close ().
137 void *raw_data_handle;
139 guint32 raw_data_len;
140 guint8 raw_buffer_used : 1;
141 guint8 raw_data_allocated : 1;
142 guint8 fileio_used : 1;
145 /* Module was loaded using LoadLibrary. */
146 guint8 is_module_handle : 1;
148 /* Module entry point is _CorDllMain. */
149 guint8 has_entry_point : 1;
152 /* Whenever this is a dynamically emitted module */
155 /* Whenever this is a reflection only image */
158 /* Whenever this image contains uncompressed metadata */
159 guint8 uncompressed_metadata : 1;
161 guint8 checked_module_cctor : 1;
162 guint8 has_module_cctor : 1;
164 guint8 idx_string_wide : 1;
165 guint8 idx_guid_wide : 1;
166 guint8 idx_blob_wide : 1;
168 /* Whenever this image is considered as platform code for the CoreCLR security model */
169 guint8 core_clr_platform_code : 1;
172 const char *assembly_name;
173 const char *module_name;
175 gint16 md_version_major, md_version_minor;
178 MonoMemPool *mempool; /*protected by the image lock*/
182 MonoStreamHeader heap_strings;
183 MonoStreamHeader heap_us;
184 MonoStreamHeader heap_blob;
185 MonoStreamHeader heap_guid;
186 MonoStreamHeader heap_tables;
188 const char *tables_base;
191 MonoTableInfo tables [MONO_TABLE_NUM];
194 * references is initialized only by using the mono_assembly_open
195 * function, and not by using the lowlevel mono_image_open.
197 * It is NULL terminated.
199 MonoAssembly **references;
203 guint32 module_count;
204 gboolean *modules_loaded;
211 * The Assembly this image was loaded from.
213 MonoAssembly *assembly;
216 * Indexed by method tokens and typedef tokens.
218 GHashTable *method_cache; /*protected by the image lock*/
219 MonoInternalHashTable class_cache;
221 /* Indexed by memberref + methodspec tokens */
222 GHashTable *methodref_cache; /*protected by the image lock*/
225 * Indexed by fielddef and memberref tokens
227 GHashTable *field_cache; /*protected by the image lock*/
229 /* indexed by typespec tokens. */
230 GHashTable *typespec_cache;
231 /* indexed by token */
232 GHashTable *memberref_signatures;
233 GHashTable *helper_signatures;
235 /* Indexed by blob heap indexes */
236 GHashTable *method_signatures;
239 * Indexes namespaces to hash tables that map class name to typedef token.
241 GHashTable *name_cache; /*protected by the image lock*/
244 * Indexed by MonoClass
246 GHashTable *array_cache;
247 GHashTable *ptr_cache;
249 GHashTable *szarray_cache;
250 /* This has a separate lock to improve scalability */
251 CRITICAL_SECTION szarray_cache_lock;
254 * indexed by MonoMethodSignature
256 GHashTable *delegate_begin_invoke_cache;
257 GHashTable *delegate_end_invoke_cache;
258 GHashTable *delegate_invoke_cache;
259 GHashTable *runtime_invoke_cache;
260 GHashTable *runtime_invoke_vtype_cache;
263 * indexed by SignatureMethodPair
265 GHashTable *delegate_abstract_invoke_cache;
268 * indexed by SignatureMethodPair
270 GHashTable *delegate_bound_static_invoke_cache;
272 * indexed by MonoMethod pointers
274 GHashTable *runtime_invoke_direct_cache;
275 GHashTable *runtime_invoke_vcall_cache;
276 GHashTable *managed_wrapper_cache;
277 GHashTable *native_wrapper_cache;
278 GHashTable *native_wrapper_aot_cache;
279 GHashTable *native_func_wrapper_aot_cache;
280 GHashTable *remoting_invoke_cache;
281 GHashTable *synchronized_cache;
282 GHashTable *unbox_wrapper_cache;
283 GHashTable *cominterop_invoke_cache;
284 GHashTable *cominterop_wrapper_cache; /* LOCKING: marshal lock */
285 GHashTable *thunk_invoke_cache;
286 GHashTable *wrapper_param_names;
287 GHashTable *synchronized_generic_cache;
288 GHashTable *array_accessor_cache;
291 * indexed by MonoClass pointers
293 GHashTable *ldfld_wrapper_cache;
294 GHashTable *ldflda_wrapper_cache;
295 GHashTable *stfld_wrapper_cache;
296 GHashTable *isinst_cache;
297 GHashTable *castclass_cache;
298 GHashTable *proxy_isinst_cache;
299 GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
300 GHashTable *delegate_invoke_generic_cache;
301 GHashTable *delegate_begin_invoke_generic_cache;
302 GHashTable *delegate_end_invoke_generic_cache;
304 /* Contains rarely used fields of runtime structures belonging to this image */
305 MonoPropertyHash *property_hash;
307 void *reflection_info;
310 * user_info is a public field and is not touched by the
315 /* dll map entries */
318 /* interfaces IDs from this image */
319 MonoBitSet *interface_bitset;
321 /* when the image is being closed, this is abused as a list of
322 malloc'ed regions to be freed. */
323 GSList *reflection_info_unregister_classes;
325 /* List of image sets containing this image */
326 /* Protected by image_sets_lock */
329 /* Caches for MonoClass-es representing anon generic params */
330 MonoClass **var_cache_fast;
331 MonoClass **mvar_cache_fast;
332 GHashTable *var_cache_slow;
333 GHashTable *mvar_cache_slow;
335 /* Maps malloc-ed char* pinvoke scope -> MonoDl* */
336 GHashTable *pinvoke_scopes;
338 /* Maps malloc-ed char* pinvoke scope -> malloced-ed char* filename */
339 GHashTable *pinvoke_scope_filenames;
341 /* Indexed by MonoGenericParam pointers */
342 GHashTable *gsharedvt_types;
345 * No other runtime locks must be taken while holding this lock.
346 * It's meant to be used only to mutate and query structures part of this image.
348 CRITICAL_SECTION lock;
352 * Generic instances depend on many images, and they need to be deleted if one
353 * of the images they depend on is unloaded. For example,
354 * List<Foo> depends on both List's image and Foo's image.
355 * A MonoImageSet is the owner of all generic instances depending on the same set of
362 GHashTable *gclass_cache, *ginst_cache, *gmethod_cache, *gsignature_cache;
364 CRITICAL_SECTION lock;
367 * Memory for generic instances owned by this image set should be allocated from
368 * this mempool, using the mono_image_set_alloc family of functions.
370 MonoMemPool *mempool;
383 guint32 alloc_size; /* malloced bytes */
385 guint32 offset; /* from start of metadata */
391 guint8 row_size; /* calculated later with column_sizes */
394 guint32 *values; /* rows * columns */
397 struct _MonoDynamicAssembly {
398 MonoAssembly assembly;
400 guint32 strong_name_size;
406 struct _MonoDynamicImage {
410 guint32 metadata_rva;
412 guint32 cli_header_offset;
416 guint32 imp_names_offset;
422 } sections [MONO_SECTION_MAX];
423 GHashTable *typespec;
425 GHashTable *handleref;
426 MonoGHashTable *handleref_managed;
427 MonoGHashTable *tokens;
428 GHashTable *blob_cache;
429 GHashTable *standalonesig_cache;
430 GList *array_methods;
431 GPtrArray *gen_params;
432 MonoGHashTable *token_fixups;
433 GHashTable *method_to_table_idx;
434 GHashTable *field_to_table_idx;
435 GHashTable *method_aux_hash;
436 GHashTable *vararg_aux_hash;
437 MonoGHashTable *generic_def_objects;
438 MonoGHashTable *methodspec;
440 * Maps final token values to the object they describe.
442 MonoGHashTable *remapped_tokens;
445 gboolean initial_image;
446 guint32 pe_kind, machine;
448 guint32 strong_name_size;
450 guint32 win32_res_size;
453 MonoDynamicStream sheap;
454 MonoDynamicStream code; /* used to store method headers and bytecode */
455 MonoDynamicStream resources; /* managed embedded resources */
456 MonoDynamicStream us;
457 MonoDynamicStream blob;
458 MonoDynamicStream tstream;
459 MonoDynamicStream guid;
460 MonoDynamicTable tables [MONO_TABLE_NUM];
461 MonoClass *wrappers_type; /*wrappers are bound to this type instead of <Module>*/
464 /* Contains information about assembly binding */
465 typedef struct _MonoAssemblyBindingInfo {
468 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
471 AssemblyVersionSet old_version_bottom;
472 AssemblyVersionSet old_version_top;
473 AssemblyVersionSet new_version;
474 guint has_old_version_bottom : 1;
475 guint has_old_version_top : 1;
476 guint has_new_version : 1;
478 gint32 domain_id; /*Needed to unload per-domain binding*/
479 } MonoAssemblyBindingInfo;
481 struct _MonoMethodHeader {
482 const unsigned char *code;
483 #ifdef MONO_SMALL_CONFIG
488 guint16 max_stack : 15;
489 unsigned int is_transient: 1; /* mono_metadata_free_mh () will actually free this header */
490 unsigned int num_clauses : 15;
491 /* if num_locals != 0, then the following apply: */
492 unsigned int init_locals : 1;
494 MonoExceptionClause *clauses;
495 MonoType *locals [MONO_ZERO_LEN_ARRAY];
500 gboolean has_clauses;
501 } MonoMethodHeaderSummary;
503 #define MONO_SIZEOF_METHOD_HEADER (sizeof (struct _MonoMethodHeader) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
505 struct _MonoMethodSignature {
507 #ifdef MONO_SMALL_CONFIG
510 unsigned int generic_param_count : 5;
514 unsigned int generic_param_count : 16;
516 unsigned int call_convention : 6;
517 unsigned int hasthis : 1;
518 unsigned int explicit_this : 1;
519 unsigned int pinvoke : 1;
520 unsigned int is_inflated : 1;
521 unsigned int has_type_parameters : 1;
522 MonoType *params [MONO_ZERO_LEN_ARRAY];
525 #define MONO_SIZEOF_METHOD_SIGNATURE (sizeof (struct _MonoMethodSignature) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
527 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
528 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
531 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
534 mono_image_alloc (MonoImage *image, guint size) MONO_INTERNAL;
537 mono_image_alloc0 (MonoImage *image, guint size) MONO_INTERNAL;
539 #define mono_image_new0(image,type,size) ((type *) mono_image_alloc0 (image, sizeof (type)* (size)))
542 mono_image_strdup (MonoImage *image, const char *s) MONO_INTERNAL;
545 g_list_prepend_image (MonoImage *image, GList *list, gpointer data) MONO_INTERNAL;
548 g_slist_append_image (MonoImage *image, GSList *list, gpointer data) MONO_INTERNAL;
551 mono_image_lock (MonoImage *image) MONO_INTERNAL;
554 mono_image_unlock (MonoImage *image) MONO_INTERNAL;
557 mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property) MONO_INTERNAL;
560 mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value) MONO_INTERNAL;
563 mono_image_property_remove (MonoImage *image, gpointer subject) MONO_INTERNAL;
566 mono_image_close_except_pools (MonoImage *image) MONO_INTERNAL;
569 mono_image_close_finish (MonoImage *image) MONO_INTERNAL;
571 typedef void (*MonoImageUnloadFunc) (MonoImage *image, gpointer user_data);
574 mono_install_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
577 mono_remove_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
580 mono_image_append_class_to_reflection_info_set (MonoClass *class) MONO_INTERNAL;
583 mono_image_set_alloc (MonoImageSet *set, guint size) MONO_INTERNAL;
586 mono_image_set_alloc0 (MonoImageSet *set, guint size) MONO_INTERNAL;
589 mono_image_set_strdup (MonoImageSet *set, const char *s) MONO_INTERNAL;
591 #define mono_image_set_new0(image,type,size) ((type *) mono_image_set_alloc0 (image, sizeof (type)* (size)))
594 mono_metadata_get_shared_type (MonoType *type) MONO_INTERNAL;
597 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
600 mono_metadata_clean_generic_classes_for_image (MonoImage *image) MONO_INTERNAL;
603 mono_metadata_cleanup (void);
605 const char * mono_meta_table_name (int table) MONO_INTERNAL;
606 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
609 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
611 MonoClass ***interfaces,
613 gboolean heap_alloc_result,
614 MonoGenericContext *context) MONO_INTERNAL;
617 mono_metadata_parse_array_full (MonoImage *image,
618 MonoGenericContainer *container,
620 const char **rptr) MONO_INTERNAL;
623 mono_metadata_parse_type_full (MonoImage *image,
624 MonoGenericContainer *container,
625 MonoParseTypeMode mode,
630 MonoMethodSignature *
631 mono_metadata_parse_signature_full (MonoImage *image,
632 MonoGenericContainer *generic_container,
633 guint32 token) MONO_INTERNAL;
635 MONO_API MonoMethodSignature *
636 mono_metadata_parse_method_signature_full (MonoImage *image,
637 MonoGenericContainer *generic_container,
642 MONO_API MonoMethodHeader *
643 mono_metadata_parse_mh_full (MonoImage *image,
644 MonoGenericContainer *container,
648 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary) MONO_INTERNAL;
650 int* mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count) MONO_INTERNAL;
651 gboolean mono_metadata_method_has_param_attrs (MonoImage *m, int def) MONO_INTERNAL;
654 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
657 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
658 const MonoGenericContext *g2) MONO_INTERNAL;
661 mono_metadata_parse_generic_inst (MonoImage *image,
662 MonoGenericContainer *container,
665 const char **rptr) MONO_INTERNAL;
668 mono_metadata_get_generic_inst (int type_argc,
669 MonoType **type_argv) MONO_INTERNAL;
672 mono_metadata_lookup_generic_class (MonoClass *gclass,
673 MonoGenericInst *inst,
674 gboolean is_dynamic) MONO_INTERNAL;
676 MonoGenericInst * mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error) MONO_INTERNAL;
678 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
679 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
680 void mono_assembly_load_friends (MonoAssembly* ass) MONO_INTERNAL;
681 gboolean mono_assembly_has_skip_verification (MonoAssembly* ass) MONO_INTERNAL;
683 void mono_assembly_release_gc_roots (MonoAssembly *assembly) MONO_INTERNAL;
684 gboolean mono_assembly_close_except_image_pools (MonoAssembly *assembly) MONO_INTERNAL;
685 void mono_assembly_close_finish (MonoAssembly *assembly) MONO_INTERNAL;
688 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2) MONO_INTERNAL;
690 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
691 void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
692 void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data)) MONO_INTERNAL;
695 mono_assembly_name_parse_full (const char *name,
696 MonoAssemblyName *aname,
697 gboolean save_public_key,
698 gboolean *is_version_defined,
699 gboolean *is_token_defined) MONO_INTERNAL;
701 MONO_API guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
703 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
706 MonoType *mono_metadata_type_dup (MonoImage *image, const MonoType *original) MONO_INTERNAL;
707 MonoMethodSignature *mono_metadata_signature_dup_full (MonoImage *image,MonoMethodSignature *sig) MONO_INTERNAL;
708 MonoMethodSignature *mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig) MONO_INTERNAL;
711 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
714 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open) MONO_INTERNAL;
716 MONO_API void mono_type_get_desc (GString *res, MonoType *type, mono_bool include_namespace);
719 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only) MONO_INTERNAL;
722 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr) MONO_INTERNAL;
724 guint mono_metadata_generic_inst_hash (gconstpointer data) MONO_INTERNAL;
725 gboolean mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb) MONO_INTERNAL;
728 mono_metadata_field_info_with_mempool (
733 MonoMarshalSpec **marshal_spec);
736 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field) MONO_INTERNAL;
739 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event) MONO_INTERNAL;
742 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property) MONO_INTERNAL;
745 mono_metadata_signature_size (MonoMethodSignature *sig) MONO_INTERNAL;
747 guint mono_metadata_str_hash (gconstpointer v1) MONO_INTERNAL;
749 gboolean mono_image_load_pe_data (MonoImage *image) MONO_INTERNAL;
751 gboolean mono_image_load_cli_data (MonoImage *image) MONO_INTERNAL;
753 void mono_image_load_names (MonoImage *image) MONO_INTERNAL;
755 MonoImage *mono_image_open_raw (const char *fname, MonoImageOpenStatus *status) MONO_INTERNAL;
757 MonoException *mono_get_exception_field_access_msg (const char *msg) MONO_INTERNAL;
759 MonoException *mono_get_exception_method_access_msg (const char *msg) MONO_INTERNAL;
761 MonoMethod* method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context) MONO_INTERNAL;
763 MonoMethod *mono_get_method_constrained_with_method (MonoImage *image, MonoMethod *method, MonoClass *constrained_class, MonoGenericContext *context) MONO_INTERNAL;
765 void mono_type_set_alignment (MonoTypeEnum type, int align) MONO_INTERNAL;
767 #endif /* __MONO_METADATA_INTERNALS_H__ */