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 /* security manager flags (one bit is for lazy initialization) */
84 guint32 ecma:2; /* Has the ECMA key */
85 guint32 aptc:2; /* Has the [AllowPartiallyTrustedCallers] attributes */
86 guint32 fulltrust:2; /* Has FullTrust permission */
87 guint32 unmanaged:2; /* Has SecurityPermissionFlag.UnmanagedCode permission */
88 guint32 skipverification:2; /* Has SecurityPermissionFlag.SkipVerification permission */
96 struct _MonoTableInfo {
102 * Tables contain up to 9 columns and the possible sizes of the
103 * fields in the documentation are 1, 2 and 4 bytes. So we
104 * can encode in 2 bits the size.
106 * A 32 bit value can encode the resulting size
108 * The top eight bits encode the number of columns in the table.
109 * we only need 4, but 8 is aligned no shift required.
111 guint32 size_bitfield;
114 #define REFERENCE_MISSING ((gpointer) -1)
116 typedef struct _MonoDllMap MonoDllMap;
120 * The number of assemblies which reference this MonoImage though their 'image'
121 * field plus the number of images which reference this MonoImage through their
122 * 'modules' field, plus the number of threads holding temporary references to
123 * this image between calls of mono_image_open () and mono_image_close ().
126 void *raw_data_handle;
128 guint32 raw_data_len;
129 guint8 raw_buffer_used : 1;
130 guint8 raw_data_allocated : 1;
133 /* Module was loaded using LoadLibrary. */
134 guint8 is_module_handle : 1;
136 /* Module entry point is _CorDllMain. */
137 guint8 has_entry_point : 1;
140 /* Whenever this is a dynamically emitted module */
143 /* Whenever this is a reflection only image */
146 /* Whenever this image contains uncompressed metadata */
147 guint8 uncompressed_metadata : 1;
149 guint8 checked_module_cctor : 1;
150 guint8 has_module_cctor : 1;
152 guint8 idx_string_wide : 1;
153 guint8 idx_guid_wide : 1;
154 guint8 idx_blob_wide : 1;
156 /* Whenever this image is considered as platform code for the CoreCLR security model */
157 guint8 core_clr_platform_code : 1;
160 const char *assembly_name;
161 const char *module_name;
163 gint16 md_version_major, md_version_minor;
166 MonoMemPool *mempool; /*protected by the image lock*/
170 MonoStreamHeader heap_strings;
171 MonoStreamHeader heap_us;
172 MonoStreamHeader heap_blob;
173 MonoStreamHeader heap_guid;
174 MonoStreamHeader heap_tables;
176 const char *tables_base;
179 MonoTableInfo tables [MONO_TABLE_NUM];
182 * references is initialized only by using the mono_assembly_open
183 * function, and not by using the lowlevel mono_image_open.
185 * It is NULL terminated.
187 MonoAssembly **references;
190 guint32 module_count;
191 gboolean *modules_loaded;
198 * The Assembly this image was loaded from.
200 MonoAssembly *assembly;
203 * Indexed by method tokens and typedef tokens.
205 GHashTable *method_cache; /*protected by the image lock*/
206 MonoInternalHashTable class_cache;
208 /* Indexed by memberref + methodspec tokens */
209 GHashTable *methodref_cache; /*protected by the image lock*/
212 * Indexed by fielddef and memberref tokens
214 GHashTable *field_cache;
216 /* indexed by typespec tokens. */
217 GHashTable *typespec_cache;
218 /* indexed by token */
219 GHashTable *memberref_signatures;
220 GHashTable *helper_signatures;
222 /* Indexed by blob heap indexes */
223 GHashTable *method_signatures;
226 * Indexes namespaces to hash tables that map class name to typedef token.
228 GHashTable *name_cache; /*protected by the image lock*/
231 * Indexed by MonoClass
233 GHashTable *array_cache;
234 GHashTable *ptr_cache;
236 GHashTable *szarray_cache;
237 /* This has a separate lock to improve scalability */
238 CRITICAL_SECTION szarray_cache_lock;
241 * indexed by MonoMethodSignature
243 GHashTable *delegate_begin_invoke_cache;
244 GHashTable *delegate_end_invoke_cache;
245 GHashTable *delegate_invoke_cache;
246 GHashTable *runtime_invoke_cache;
249 * indexed by SignatureMethodPair
251 GHashTable *delegate_abstract_invoke_cache;
254 * indexed by MonoMethod pointers
256 GHashTable *runtime_invoke_direct_cache;
257 GHashTable *runtime_invoke_vcall_cache;
258 GHashTable *managed_wrapper_cache;
259 GHashTable *native_wrapper_cache;
260 GHashTable *native_wrapper_aot_cache;
261 GHashTable *remoting_invoke_cache;
262 GHashTable *synchronized_cache;
263 GHashTable *unbox_wrapper_cache;
264 GHashTable *cominterop_invoke_cache;
265 GHashTable *cominterop_wrapper_cache; /* LOCKING: marshal lock */
266 GHashTable *thunk_invoke_cache;
269 * indexed by MonoClass pointers
271 GHashTable *ldfld_wrapper_cache;
272 GHashTable *ldflda_wrapper_cache;
273 GHashTable *stfld_wrapper_cache;
274 GHashTable *isinst_cache;
275 GHashTable *castclass_cache;
276 GHashTable *proxy_isinst_cache;
277 GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
279 /* Contains rarely used fields of runtime structures belonging to this image */
280 MonoPropertyHash *property_hash;
282 void *reflection_info;
285 * user_info is a public field and is not touched by the
290 /* dll map entries */
293 /* interfaces IDs from this image */
294 MonoBitSet *interface_bitset;
296 /* when the image is being closed, this is abused as a list of
297 malloc'ed regions to be freed. */
298 GSList *reflection_info_unregister_classes;
300 /* List of image sets containing this image */
304 * No other runtime locks must be taken while holding this lock.
305 * It's meant to be used only to mutate and query structures part of this image.
307 CRITICAL_SECTION lock;
311 * Generic instances depend on many images, and they need to be deleted if one
312 * of the images they depend on is unloaded. For example,
313 * List<Foo> depends on both List's image and Foo's image.
314 * A MonoImageSet is the owner of all generic instances depending on the same set of
321 GHashTable *gclass_cache, *ginst_cache, *gmethod_cache, *gsignature_cache;
323 CRITICAL_SECTION lock;
326 * Memory for generic instances owned by this image set should be allocated from
327 * this mempool, using the mono_image_set_alloc family of functions.
329 MonoMemPool *mempool;
342 guint32 alloc_size; /* malloced bytes */
344 guint32 offset; /* from start of metadata */
350 guint8 row_size; /* calculated later with column_sizes */
353 guint32 *values; /* rows * columns */
356 struct _MonoDynamicAssembly {
357 MonoAssembly assembly;
359 guint32 strong_name_size;
365 struct _MonoDynamicImage {
369 guint32 metadata_rva;
371 guint32 cli_header_offset;
375 guint32 imp_names_offset;
381 } sections [MONO_SECTION_MAX];
382 GHashTable *typespec;
384 GHashTable *handleref;
385 MonoGHashTable *handleref_managed;
386 MonoGHashTable *tokens;
387 GHashTable *blob_cache;
388 GHashTable *standalonesig_cache;
389 GList *array_methods;
390 GPtrArray *gen_params;
391 MonoGHashTable *token_fixups;
392 GHashTable *method_to_table_idx;
393 GHashTable *field_to_table_idx;
394 GHashTable *method_aux_hash;
395 GHashTable *vararg_aux_hash;
396 MonoGHashTable *generic_def_objects;
397 MonoGHashTable *methodspec;
400 gboolean initial_image;
401 guint32 pe_kind, machine;
403 guint32 strong_name_size;
405 guint32 win32_res_size;
408 MonoDynamicStream sheap;
409 MonoDynamicStream code; /* used to store method headers and bytecode */
410 MonoDynamicStream resources; /* managed embedded resources */
411 MonoDynamicStream us;
412 MonoDynamicStream blob;
413 MonoDynamicStream tstream;
414 MonoDynamicStream guid;
415 MonoDynamicTable tables [MONO_TABLE_NUM];
416 MonoClass *wrappers_type; /*wrappers are bound to this type instead of <Module>*/
419 /* Contains information about assembly binding */
420 typedef struct _MonoAssemblyBindingInfo {
423 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
426 AssemblyVersionSet old_version_bottom;
427 AssemblyVersionSet old_version_top;
428 AssemblyVersionSet new_version;
429 guint has_old_version_bottom : 1;
430 guint has_old_version_top : 1;
431 guint has_new_version : 1;
433 } MonoAssemblyBindingInfo;
435 struct _MonoMethodHeader {
436 const unsigned char *code;
437 #ifdef MONO_SMALL_CONFIG
442 guint16 max_stack : 15;
443 unsigned int is_transient: 1; /* mono_metadata_free_mh () will actually free this header */
444 unsigned int num_clauses : 15;
445 /* if num_locals != 0, then the following apply: */
446 unsigned int init_locals : 1;
448 MonoExceptionClause *clauses;
449 MonoType *locals [MONO_ZERO_LEN_ARRAY];
454 gboolean has_clauses;
455 } MonoMethodHeaderSummary;
457 #define MONO_SIZEOF_METHOD_HEADER (sizeof (struct _MonoMethodHeader) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
459 struct _MonoMethodSignature {
461 #ifdef MONO_SMALL_CONFIG
464 unsigned int generic_param_count : 5;
468 unsigned int generic_param_count : 16;
470 unsigned int call_convention : 6;
471 unsigned int hasthis : 1;
472 unsigned int explicit_this : 1;
473 unsigned int pinvoke : 1;
474 unsigned int is_inflated : 1;
475 unsigned int has_type_parameters : 1;
476 MonoType *params [MONO_ZERO_LEN_ARRAY];
479 #define MONO_SIZEOF_METHOD_SIGNATURE (sizeof (struct _MonoMethodSignature) - MONO_ZERO_LEN_ARRAY * SIZEOF_VOID_P)
481 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
482 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
485 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
488 mono_image_alloc (MonoImage *image, guint size) MONO_INTERNAL;
491 mono_image_alloc0 (MonoImage *image, guint size) MONO_INTERNAL;
494 mono_image_strdup (MonoImage *image, const char *s) MONO_INTERNAL;
497 g_list_prepend_image (MonoImage *image, GList *list, gpointer data) MONO_INTERNAL;
500 g_slist_append_image (MonoImage *image, GSList *list, gpointer data) MONO_INTERNAL;
503 mono_image_lock (MonoImage *image) MONO_INTERNAL;
506 mono_image_unlock (MonoImage *image) MONO_INTERNAL;
509 mono_image_property_lookup (MonoImage *image, gpointer subject, guint32 property) MONO_INTERNAL;
512 mono_image_property_insert (MonoImage *image, gpointer subject, guint32 property, gpointer value) MONO_INTERNAL;
515 mono_image_property_remove (MonoImage *image, gpointer subject) MONO_INTERNAL;
518 mono_image_close_except_pools (MonoImage *image) MONO_INTERNAL;
521 mono_image_close_finish (MonoImage *image) MONO_INTERNAL;
523 typedef void (*MonoImageUnloadFunc) (MonoImage *image, gpointer user_data);
526 mono_install_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
529 mono_remove_image_unload_hook (MonoImageUnloadFunc func, gpointer user_data) MONO_INTERNAL;
532 mono_metadata_get_shared_type (MonoType *type) MONO_INTERNAL;
535 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
538 mono_metadata_clean_generic_classes_for_image (MonoImage *image) MONO_INTERNAL;
541 mono_metadata_cleanup (void);
543 const char * mono_meta_table_name (int table) MONO_INTERNAL;
544 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
547 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
549 MonoClass ***interfaces,
551 gboolean heap_alloc_result,
552 MonoGenericContext *context) MONO_INTERNAL;
555 mono_metadata_parse_array_full (MonoImage *image,
556 MonoGenericContainer *container,
558 const char **rptr) MONO_INTERNAL;
561 mono_metadata_parse_type_full (MonoImage *image,
562 MonoGenericContainer *container,
563 MonoParseTypeMode mode,
568 MonoMethodSignature *
569 mono_metadata_parse_signature_full (MonoImage *image,
570 MonoGenericContainer *generic_container,
571 guint32 token) MONO_INTERNAL;
573 MonoMethodSignature *
574 mono_metadata_parse_method_signature_full (MonoImage *image,
575 MonoGenericContainer *generic_container,
581 mono_metadata_parse_mh_full (MonoImage *image,
582 MonoGenericContainer *container,
586 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary) MONO_INTERNAL;
588 int* mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count) MONO_INTERNAL;
589 gboolean mono_metadata_method_has_param_attrs (MonoImage *m, int def) MONO_INTERNAL;
592 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
595 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
596 const MonoGenericContext *g2) MONO_INTERNAL;
599 mono_metadata_parse_generic_inst (MonoImage *image,
600 MonoGenericContainer *container,
603 const char **rptr) MONO_INTERNAL;
606 mono_metadata_get_generic_inst (int type_argc,
607 MonoType **type_argv) MONO_INTERNAL;
610 mono_metadata_lookup_generic_class (MonoClass *gclass,
611 MonoGenericInst *inst,
612 gboolean is_dynamic) MONO_INTERNAL;
614 MonoGenericInst * mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error) MONO_INTERNAL;
616 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
617 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
618 void mono_assembly_load_friends (MonoAssembly* ass) MONO_INTERNAL;
619 gboolean mono_assembly_has_skip_verification (MonoAssembly* ass) MONO_INTERNAL;
621 gboolean mono_assembly_close_except_image_pools (MonoAssembly *assembly) MONO_INTERNAL;
622 void mono_assembly_close_finish (MonoAssembly *assembly) MONO_INTERNAL;
625 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2) MONO_INTERNAL;
627 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
628 void mono_config_parse_assembly_bindings (const char *filename, int major, int minor, void *user_data,
629 void (*infocb)(MonoAssemblyBindingInfo *info, void *user_data)) MONO_INTERNAL;
632 mono_assembly_name_parse_full (const char *name,
633 MonoAssemblyName *aname,
634 gboolean save_public_key,
635 gboolean *is_version_defined,
636 gboolean *is_token_defined) MONO_INTERNAL;
638 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
640 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
643 MonoType *mono_metadata_type_dup (MonoImage *image, const MonoType *original) MONO_INTERNAL;
644 MonoMethodSignature *mono_metadata_signature_dup_full (MonoImage *image,MonoMethodSignature *sig) MONO_INTERNAL;
645 MonoMethodSignature *mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig) MONO_INTERNAL;
648 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
651 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open) MONO_INTERNAL;
653 void mono_type_get_desc (GString *res, MonoType *type, mono_bool include_namespace);
656 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only) MONO_INTERNAL;
659 mono_metadata_parse_marshal_spec_full (MonoImage *image, const char *ptr) MONO_INTERNAL;
661 guint mono_metadata_generic_inst_hash (gconstpointer data) MONO_INTERNAL;
662 gboolean mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb) MONO_INTERNAL;
665 mono_metadata_field_info_with_mempool (
670 MonoMarshalSpec **marshal_spec);
673 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field) MONO_INTERNAL;
676 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event) MONO_INTERNAL;
679 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property) MONO_INTERNAL;
682 mono_metadata_signature_size (MonoMethodSignature *sig) MONO_INTERNAL;
684 guint mono_metadata_str_hash (gconstpointer v1) MONO_INTERNAL;
686 gboolean mono_image_load_pe_data (MonoImage *image) MONO_INTERNAL;
688 gboolean mono_image_load_cli_data (MonoImage *image) MONO_INTERNAL;
690 void mono_image_load_names (MonoImage *image) MONO_INTERNAL;
692 MonoImage *mono_image_open_raw (const char *fname, MonoImageOpenStatus *status) MONO_INTERNAL;
694 MonoException *mono_get_exception_field_access_msg (const char *msg) MONO_INTERNAL;
696 MonoException *mono_get_exception_method_access_msg (const char *msg) MONO_INTERNAL;
698 #endif /* __MONO_METADATA_INTERNALS_H__ */