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 ().
76 /* if file_descr is NULL the image was loaded from raw data */
79 guint8 raw_data_allocated : 1;
81 /* Whenever this is a dynamically emitted module */
84 /* Whenever this is a reflection only image */
87 /* Whenever this image contains uncompressed metadata */
88 guint8 uncompressed_metadata : 1;
90 guint8 checked_module_cctor : 1;
91 guint8 has_module_cctor : 1;
93 guint8 idx_string_wide : 1;
94 guint8 idx_guid_wide : 1;
95 guint8 idx_blob_wide : 1;
98 const char *assembly_name;
99 const char *module_name;
101 gint16 md_version_major, md_version_minor;
104 MonoMemPool *mempool;
108 MonoStreamHeader heap_strings;
109 MonoStreamHeader heap_us;
110 MonoStreamHeader heap_blob;
111 MonoStreamHeader heap_guid;
112 MonoStreamHeader heap_tables;
114 const char *tables_base;
117 MonoTableInfo tables [MONO_TABLE_NUM];
120 * references is initialized only by using the mono_assembly_open
121 * function, and not by using the lowlevel mono_image_open.
123 * It is NULL terminated.
125 MonoAssembly **references;
128 guint32 module_count;
129 gboolean *modules_loaded;
134 * The Assembly this image was loaded from.
136 MonoAssembly *assembly;
139 * Indexed by method tokens and typedef tokens.
141 GHashTable *method_cache;
142 MonoInternalHashTable class_cache;
144 * Indexed by fielddef and memberref tokens
146 GHashTable *field_cache;
148 /* indexed by typespec tokens. */
149 GHashTable *typespec_cache;
150 /* indexed by token */
151 GHashTable *memberref_signatures;
152 GHashTable *helper_signatures;
154 /* Indexed by blob heap indexes */
155 GHashTable *method_signatures;
158 * Indexes namespaces to hash tables that map class name to typedef token.
160 GHashTable *name_cache;
163 * Indexed by MonoClass
165 GHashTable *array_cache;
166 GHashTable *ptr_cache;
169 * indexed by MonoMethodSignature
171 GHashTable *delegate_begin_invoke_cache;
172 GHashTable *delegate_end_invoke_cache;
173 GHashTable *delegate_invoke_cache;
176 * indexed by MonoMethod pointers
178 GHashTable *runtime_invoke_cache;
179 GHashTable *managed_wrapper_cache;
180 GHashTable *native_wrapper_cache;
181 GHashTable *remoting_invoke_cache;
182 GHashTable *synchronized_cache;
183 GHashTable *unbox_wrapper_cache;
184 GHashTable *cominterop_invoke_cache;
185 GHashTable *cominterop_wrapper_cache;
188 * indexed by MonoClass pointers
190 GHashTable *ldfld_wrapper_cache;
191 GHashTable *ldflda_wrapper_cache;
192 GHashTable *ldfld_remote_wrapper_cache;
193 GHashTable *stfld_wrapper_cache;
194 GHashTable *stfld_remote_wrapper_cache;
195 GHashTable *isinst_cache;
196 GHashTable *castclass_cache;
197 GHashTable *proxy_isinst_cache;
199 void *reflection_info;
202 * user_info is a public field and is not touched by the
207 /* dll map entries */
210 /* interfaces IDs from this image */
211 MonoBitSet *interface_bitset;
224 guint32 alloc_size; /* malloced bytes */
226 guint32 offset; /* from start of metadata */
232 guint8 row_size; /* calculated later with column_sizes */
235 guint32 *values; /* rows * columns */
238 struct _MonoDynamicAssembly {
239 MonoAssembly assembly;
241 guint32 strong_name_size;
246 struct _MonoDynamicImage {
250 guint32 metadata_rva;
252 guint32 cli_header_offset;
256 guint32 imp_names_offset;
262 } sections [MONO_SECTION_MAX];
263 GHashTable *typespec;
265 GHashTable *handleref;
266 MonoGHashTable *tokens;
267 GHashTable *blob_cache;
268 GList *array_methods;
269 GPtrArray *gen_params;
270 MonoGHashTable *token_fixups;
271 GHashTable *method_to_table_idx;
272 GHashTable *field_to_table_idx;
273 GHashTable *method_aux_hash;
276 gboolean initial_image;
277 guint32 pe_kind, machine;
279 guint32 strong_name_size;
281 guint32 win32_res_size;
282 MonoDynamicStream sheap;
283 MonoDynamicStream code; /* used to store method headers and bytecode */
284 MonoDynamicStream resources; /* managed embedded resources */
285 MonoDynamicStream us;
286 MonoDynamicStream blob;
287 MonoDynamicStream tstream;
288 MonoDynamicStream guid;
289 MonoDynamicTable tables [MONO_TABLE_NUM];
292 /* Contains information about assembly binding */
293 typedef struct _MonoAssemblyBindingInfo {
296 guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
299 AssemblyVersionSet old_version_bottom;
300 AssemblyVersionSet old_version_top;
301 AssemblyVersionSet new_version;
302 guint has_old_version_bottom : 1;
303 guint has_old_version_top : 1;
304 guint has_new_version : 1;
306 } MonoAssemblyBindingInfo;
308 struct _MonoMethodHeader {
310 const unsigned char *code;
312 unsigned int num_clauses : 15;
313 /* if num_locals != 0, then the following apply: */
314 unsigned int init_locals : 1;
316 MonoExceptionClause *clauses;
317 MonoType *locals [MONO_ZERO_LEN_ARRAY];
320 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
321 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
324 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
327 mono_metadata_clean_for_image (MonoImage *image) MONO_INTERNAL;
330 mono_metadata_cleanup (void);
332 const char * mono_meta_table_name (int table) MONO_INTERNAL;
333 void mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
336 mono_metadata_interfaces_from_typedef_full (MonoImage *image,
338 MonoClass ***interfaces,
340 MonoGenericContext *context) MONO_INTERNAL;
343 mono_metadata_parse_array_full (MonoImage *image,
344 MonoGenericContainer *container,
346 const char **rptr) MONO_INTERNAL;
349 mono_metadata_parse_type_full (MonoImage *image,
350 MonoGenericContainer *container,
351 MonoParseTypeMode mode,
356 MonoMethodSignature *
357 mono_metadata_parse_signature_full (MonoImage *image,
358 MonoGenericContainer *generic_container,
359 guint32 token) MONO_INTERNAL;
361 MonoMethodSignature *
362 mono_metadata_parse_method_signature_full (MonoImage *image,
363 MonoGenericContainer *generic_container,
369 mono_metadata_parse_mh_full (MonoImage *image,
370 MonoGenericContainer *container,
373 int* mono_metadata_get_param_attrs (MonoImage *m, int def);
376 mono_metadata_generic_context_hash (const MonoGenericContext *context) MONO_INTERNAL;
379 mono_metadata_generic_context_equal (const MonoGenericContext *g1,
380 const MonoGenericContext *g2) MONO_INTERNAL;
383 mono_metadata_parse_generic_inst (MonoImage *image,
384 MonoGenericContainer *container,
387 const char **rptr) MONO_INTERNAL;
390 mono_metadata_get_generic_inst (int type_argc,
391 MonoType **type_argv) MONO_INTERNAL;
394 mono_metadata_lookup_generic_class (MonoClass *gclass,
395 MonoGenericInst *inst,
396 gboolean is_dynamic) MONO_INTERNAL;
399 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst,
400 MonoGenericContext *context) MONO_INTERNAL;
402 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
403 void mono_assembly_addref (MonoAssembly *assembly) MONO_INTERNAL;
404 void mono_assembly_load_friends (MonoAssembly* ass);
406 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
409 mono_assembly_name_parse_full (const char *name,
410 MonoAssemblyName *aname,
411 gboolean save_public_key,
412 gboolean *is_version_defined) MONO_INTERNAL;
414 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
416 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
419 MonoType *mono_metadata_type_dup (MonoMemPool *mp, const MonoType *original) MONO_INTERNAL;
422 mono_get_shared_generic_inst (MonoGenericContainer *container) MONO_INTERNAL;
424 #endif /* __MONO_METADATA_INTERNALS_H__ */