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/utils/mono-hash.h"
10 #include "mono/utils/mono-compiler.h"
11 #include "mono/utils/mono-dl.h"
12 #include "mono/utils/monobitset.h"
14 struct _MonoAssembly {
16 * The number of appdomains which have this assembly loaded plus the number of
17 * assemblies referencing this assembly through an entry in their image->references
18 * arrays. The later is needed because entries in the image->references array
19 * might point to assemblies which are only loaded in some appdomains, and without
20 * the additional reference, they can be freed at any time.
21 * The ref_count is initially 0.
23 int ref_count; /* use atomic operations only */
25 MonoAssemblyName aname;
28 GSList *friend_assembly_names;
31 guint8 corlib_internal;
33 /* security manager flags (one bit is for lazy initialization) */
34 guint32 ecma:2; /* Has the ECMA key */
35 guint32 aptc:2; /* Has the [AllowPartiallyTrustedCallers] attributes */
36 guint32 fulltrust:2; /* Has FullTrust permission */
37 guint32 unmanaged:2; /* Has SecurityPermissionFlag.UnmanagedCode permission */
45 struct _MonoTableInfo {
51 * Tables contain up to 9 columns and the possible sizes of the
52 * fields in the documentation are 1, 2 and 4 bytes. So we
53 * can encode in 2 bits the size.
55 * A 32 bit value can encode the resulting size
57 * The top eight bits encode the number of columns in the table.
58 * we only need 4, but 8 is aligned no shift required.
60 guint32 size_bitfield;
63 #define REFERENCE_MISSING ((gpointer) -1)
65 typedef struct _MonoDllMap MonoDllMap;
69 * The number of assemblies which reference this MonoImage though their 'image'
70 * field plus the number of images which reference this MonoImage through their
71 * 'modules' field, plus the number of threads holding temporary references to
72 * this image between calls of mono_image_open () and mono_image_close ().
77 guint8 raw_buffer_used : 1;
78 guint8 raw_data_allocated : 1;
81 /* Module was loaded using LoadLibrary. */
82 guint8 is_module_handle : 1;
85 /* Whenever this is a dynamically emitted module */
88 /* Whenever this is a reflection only image */
91 /* Whenever this image contains uncompressed metadata */
92 guint8 uncompressed_metadata : 1;
94 guint8 checked_module_cctor : 1;
95 guint8 has_module_cctor : 1;
97 guint8 idx_string_wide : 1;
98 guint8 idx_guid_wide : 1;
99 guint8 idx_blob_wide : 1;
102 const char *assembly_name;
103 const char *module_name;
105 gint16 md_version_major, md_version_minor;
108 MonoMemPool *mempool;
112 MonoStreamHeader heap_strings;
113 MonoStreamHeader heap_us;
114 MonoStreamHeader heap_blob;
115 MonoStreamHeader heap_guid;
116 MonoStreamHeader heap_tables;
118 const char *tables_base;
121 MonoTableInfo tables [MONO_TABLE_NUM];
124 * references is initialized only by using the mono_assembly_open
125 * function, and not by using the lowlevel mono_image_open.
127 * It is NULL terminated.
129 MonoAssembly **references;
132 guint32 module_count;
133 gboolean *modules_loaded;
138 * The Assembly this image was loaded from.
140 MonoAssembly *assembly;
143 * Indexed by method tokens and typedef tokens.
145 GHashTable *method_cache;
146 MonoInternalHashTable class_cache;
148 * Indexed by fielddef and memberref tokens
150 GHashTable *field_cache;
152 /* indexed by typespec tokens. */
153 GHashTable *typespec_cache;
154 /* indexed by token */
155 GHashTable *memberref_signatures;
156 GHashTable *helper_signatures;
158 /* Indexed by blob heap indexes */
159 GHashTable *method_signatures;
162 * Indexes namespaces to hash tables that map class name to typedef token.
164 GHashTable *name_cache;
167 * Indexed by MonoClass
169 GHashTable *array_cache;
170 GHashTable *ptr_cache;
173 * indexed by MonoMethodSignature
175 GHashTable *delegate_begin_invoke_cache;
176 GHashTable *delegate_end_invoke_cache;
177 GHashTable *delegate_invoke_cache;
178 GHashTable *runtime_invoke_cache;
181 * indexed by SignatureMethodPair
183 GHashTable *delegate_abstract_invoke_cache;
186 * indexed by MonoMethod pointers
188 GHashTable *runtime_invoke_direct_cache;
189 GHashTable *managed_wrapper_cache;
190 GHashTable *native_wrapper_cache;
191 GHashTable *remoting_invoke_cache;
192 GHashTable *synchronized_cache;
193 GHashTable *unbox_wrapper_cache;
194 GHashTable *cominterop_invoke_cache;
195 GHashTable *cominterop_wrapper_cache;
196 GHashTable *static_rgctx_invoke_cache; /* LOCKING: marshal lock */
197 GHashTable *thunk_invoke_cache;
200 * indexed by MonoClass pointers
202 GHashTable *ldfld_wrapper_cache;
203 GHashTable *ldflda_wrapper_cache;
204 GHashTable *stfld_wrapper_cache;
205 GHashTable *isinst_cache;
206 GHashTable *castclass_cache;
207 GHashTable *proxy_isinst_cache;
208 GHashTable *rgctx_template_hash; /* LOCKING: templates lock */
211 * indexed by token and MonoGenericContext pointer
213 GHashTable *generic_class_cache;
215 void *reflection_info;
218 * user_info is a public field and is not touched by the
223 /* dll map entries */
226 /* interfaces IDs from this image */
227 MonoBitSet *interface_bitset;
240 guint32 alloc_size; /* malloced bytes */
242 guint32 offset; /* from start of metadata */
248 guint8 row_size; /* calculated later with column_sizes */
251 guint32 *values; /* rows * columns */
254 struct _MonoDynamicAssembly {
255 MonoAssembly assembly;
257 guint32 strong_name_size;
262 struct _MonoDynamicImage {
266 guint32 metadata_rva;
268 guint32 cli_header_offset;
272 guint32 imp_names_offset;
278 } sections [MONO_SECTION_MAX];
279 GHashTable *typespec;
281 GHashTable *handleref;
282 MonoGHashTable *tokens;
283 GHashTable *blob_cache;
284 GList *array_methods;
285 GPtrArray *gen_params;
286 MonoGHashTable *token_fixups;
287 GHashTable *method_to_table_idx;
288 GHashTable *field_to_table_idx;
289 GHashTable *method_aux_hash;
290 MonoGHashTable *generic_def_objects;
293 gboolean initial_image;
294 guint32 pe_kind, machine;
296 guint32 strong_name_size;
298 guint32 win32_res_size;
301 MonoDynamicStream sheap;
302 MonoDynamicStream code; /* used to store method headers and bytecode */
303 MonoDynamicStream resources; /* managed embedded resources */
304 MonoDynamicStream us;
305 MonoDynamicStream blob;
306 MonoDynamicStream tstream;
307 MonoDynamicStream guid;
308 MonoDynamicTable tables [MONO_TABLE_NUM];
311 /* Contains information about assembly binding */
312 typedef struct _MonoAssemblyBindingInfo {
315 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
318 AssemblyVersionSet old_version_bottom;
319 AssemblyVersionSet old_version_top;
320 AssemblyVersionSet new_version;
321 guint has_old_version_bottom : 1;
322 guint has_old_version_top : 1;
323 guint has_new_version : 1;
325 } MonoAssemblyBindingInfo;
327 struct _MonoMethodHeader {
329 const unsigned char *code;
331 unsigned int num_clauses : 15;
332 /* if num_locals != 0, then the following apply: */
333 unsigned int init_locals : 1;
335 MonoExceptionClause *clauses;
336 MonoType *locals [MONO_ZERO_LEN_ARRAY];
339 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
340 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
343 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
346 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
349 mono_metadata_cleanup (void);
351 const char * mono_meta_table_name (int table) MONO_INTERNAL;
352 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
355 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
357 MonoClass ***interfaces,
359 MonoGenericContext *context) MONO_INTERNAL;
362 mono_metadata_parse_array_full (MonoImage *image,
363 MonoGenericContainer *container,
365 const char **rptr) MONO_INTERNAL;
368 mono_metadata_parse_type_full (MonoImage *image,
369 MonoGenericContainer *container,
370 MonoParseTypeMode mode,
375 MonoMethodSignature *
376 mono_metadata_parse_signature_full (MonoImage *image,
377 MonoGenericContainer *generic_container,
378 guint32 token) MONO_INTERNAL;
380 MonoMethodSignature *
381 mono_metadata_parse_method_signature_full (MonoImage *image,
382 MonoGenericContainer *generic_container,
388 mono_metadata_parse_mh_full (MonoImage *image,
389 MonoGenericContainer *container,
392 int* mono_metadata_get_param_attrs (MonoImage *m, int def);
395 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
398 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
399 const MonoGenericContext *g2) MONO_INTERNAL;
402 mono_metadata_parse_generic_inst (MonoImage *image,
403 MonoGenericContainer *container,
406 const char **rptr) MONO_INTERNAL;
409 mono_metadata_get_generic_inst (int type_argc,
410 MonoType **type_argv) MONO_INTERNAL;
413 mono_metadata_lookup_generic_class (MonoClass *gclass,
414 MonoGenericInst *inst,
415 gboolean is_dynamic) MONO_INTERNAL;
418 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst,
419 MonoGenericContext *context) MONO_INTERNAL;
421 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
422 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
423 void mono_assembly_load_friends (MonoAssembly* ass) MONO_INTERNAL;
425 gboolean mono_public_tokens_are_equal (const unsigned char *pubt1, const unsigned char *pubt2) MONO_INTERNAL;
427 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
430 mono_assembly_name_parse_full (const char *name,
431 MonoAssemblyName *aname,
432 gboolean save_public_key,
433 gboolean *is_version_defined,
434 gboolean *is_token_defined) MONO_INTERNAL;
436 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
438 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
441 MonoType *mono_metadata_type_dup (MonoMemPool *mp, const MonoType *original) MONO_INTERNAL;
444 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
447 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open) MONO_INTERNAL;
450 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only) MONO_INTERNAL;
453 #endif /* __MONO_METADATA_INTERNALS_H__ */