mono/metadata/metadata-internals.h

   1
   2 #ifndef __MONO_METADATA_INTERNALS_H__
   3 #define __MONO_METADATA_INTERNALS_H__
   4
   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"
  13
  14 struct _MonoAssembly {
  15         /*
  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.
  22          */
  23         int ref_count; /* use atomic operations only */
  24         char *basedir;
  25         MonoAssemblyName aname;
  26         MonoDl *aot_module;
  27         MonoImage *image;
  28         GSList *friend_assembly_names;
  29         guint8 in_gac;
  30         guint8 dynamic;
  31         guint8 corlib_internal;
  32         gboolean ref_only;
  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 */
  38 };
  39
  40 typedef struct {
  41         const char* data;
  42         guint32  size;
  43 } MonoStreamHeader;
  44
  45 struct _MonoTableInfo {
  46         const char *base;
  47         guint       rows     : 24;
  48         guint       row_size : 8;
  49
  50         /*
  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.
  54          *
  55          * A 32 bit value can encode the resulting size
  56          *
  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.
  59          */
  60         guint32   size_bitfield;
  61 };
  62
  63 #define REFERENCE_MISSING ((gpointer) -1)
  64
  65 typedef struct _MonoDllMap MonoDllMap;
  66
  67 struct _MonoImage {
  68         /*
  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 ().
  73          */
  74         int   ref_count;
  75         FILE *file_descr;
  76         /* if file_descr is NULL the image was loaded from raw data */
  77         char *raw_data;
  78         guint32 raw_data_len;
  79         guint8 raw_data_allocated : 1;
  80
  81         /* Whenever this is a dynamically emitted module */
  82         guint8 dynamic : 1;
  83
  84         /* Whenever this is a reflection only image */
  85         guint8 ref_only : 1;
  86
  87         /* Whenever this image contains uncompressed metadata */
  88         guint8 uncompressed_metadata : 1;
  89
  90         guint8 checked_module_cctor : 1;
  91         guint8 has_module_cctor : 1;
  92
  93         guint8 idx_string_wide : 1;
  94         guint8 idx_guid_wide : 1;
  95         guint8 idx_blob_wide : 1;
  96
  97         char *name;
  98         const char *assembly_name;
  99         const char *module_name;
 100         char *version;
 101         gint16 md_version_major, md_version_minor;
 102         char *guid;
 103         void *image_info;
 104         MonoMemPool         *mempool;
 105
 106         char                *raw_metadata;
 107
 108         MonoStreamHeader     heap_strings;
 109         MonoStreamHeader     heap_us;
 110         MonoStreamHeader     heap_blob;
 111         MonoStreamHeader     heap_guid;
 112         MonoStreamHeader     heap_tables;
 113
 114         const char          *tables_base;
 115
 116         /**/
 117         MonoTableInfo        tables [MONO_TABLE_NUM];
 118
 119         /*
 120          * references is initialized only by using the mono_assembly_open
 121          * function, and not by using the lowlevel mono_image_open.
 122          *
 123          * It is NULL terminated.
 124          */
 125         MonoAssembly **references;
 126
 127         MonoImage **modules;
 128         guint32 module_count;
 129
 130         MonoImage **files;
 131
 132         /*
 133          * The Assembly this image was loaded from.
 134          */
 135         MonoAssembly *assembly;
 136
 137         /*
 138          * Indexed by method tokens and typedef tokens.
 139          */
 140         GHashTable *method_cache;
 141         GHashTable *class_cache;
 142         /*
 143          * Indexed by fielddef and memberref tokens
 144          */
 145         GHashTable *field_cache;
 146
 147         /* indexed by typespec tokens. */
 148         GHashTable *typespec_cache;
 149         /* indexed by token */
 150         GHashTable *memberref_signatures;
 151         GHashTable *helper_signatures;
 152
 153         /* Indexed by blob heap indexes */
 154         GHashTable *method_signatures;
 155
 156         /*
 157          * Indexes namespaces to hash tables that map class name to typedef token.
 158          */
 159         GHashTable *name_cache;
 160
 161         /*
 162          * Indexed by MonoClass
 163          */
 164         GHashTable *array_cache;
 165         GHashTable *ptr_cache;
 166
 167         /*
 168          * indexed by MonoMethodSignature
 169          */
 170         GHashTable *delegate_begin_invoke_cache;
 171         GHashTable *delegate_end_invoke_cache;
 172         GHashTable *delegate_invoke_cache;
 173
 174         /*
 175          * indexed by MonoMethod pointers
 176          */
 177         GHashTable *runtime_invoke_cache;
 178         GHashTable *managed_wrapper_cache;
 179         GHashTable *native_wrapper_cache;
 180         GHashTable *remoting_invoke_cache;
 181         GHashTable *synchronized_cache;
 182         GHashTable *unbox_wrapper_cache;
 183         GHashTable *cominterop_invoke_cache;
 184         GHashTable *cominterop_wrapper_cache;
 185
 186         /*
 187          * indexed by MonoClass pointers
 188          */
 189         GHashTable *ldfld_wrapper_cache;
 190         GHashTable *ldflda_wrapper_cache;
 191         GHashTable *ldfld_remote_wrapper_cache;
 192         GHashTable *stfld_wrapper_cache;
 193         GHashTable *stfld_remote_wrapper_cache;
 194         GHashTable *isinst_cache;
 195         GHashTable *castclass_cache;
 196         GHashTable *proxy_isinst_cache;
 197
 198         void *reflection_info;
 199
 200         /*
 201          * user_info is a public field and is not touched by the
 202          * metadata engine
 203          */
 204         void *user_info;
 205
 206         /* dll map entries */
 207         MonoDllMap *dll_map;
 208
 209         /* interfaces IDs from this image */
 210         MonoBitSet *interface_bitset;
 211 };
 212
 213 enum {
 214         MONO_SECTION_TEXT,
 215         MONO_SECTION_RSRC,
 216         MONO_SECTION_RELOC,
 217         MONO_SECTION_MAX
 218 };
 219
 220 typedef struct {
 221         GHashTable *hash;
 222         char *data;
 223         guint32 alloc_size; /* malloced bytes */
 224         guint32 index;
 225         guint32 offset; /* from start of metadata */
 226 } MonoDynamicStream;
 227
 228 typedef struct {
 229         guint32 alloc_rows;
 230         guint32 rows;
 231         guint8  row_size; /*  calculated later with column_sizes */
 232         guint8  columns;
 233         guint32 next_idx;
 234         guint32 *values; /* rows * columns */
 235 } MonoDynamicTable;
 236
 237 struct _MonoDynamicAssembly {
 238         MonoAssembly assembly;
 239         char *strong_name;
 240         guint32 strong_name_size;
 241         guint8 run;
 242         guint8 save;
 243 };
 244
 245 struct _MonoDynamicImage {
 246         MonoImage image;
 247         guint32 meta_size;
 248         guint32 text_rva;
 249         guint32 metadata_rva;
 250         guint32 image_base;
 251         guint32 cli_header_offset;
 252         guint32 iat_offset;
 253         guint32 idt_offset;
 254         guint32 ilt_offset;
 255         guint32 imp_names_offset;
 256         struct {
 257                 guint32 rva;
 258                 guint32 size;
 259                 guint32 offset;
 260                 guint32 attrs;
 261         } sections [MONO_SECTION_MAX];
 262         GHashTable *typespec;
 263         GHashTable *typeref;
 264         GHashTable *handleref;
 265         MonoGHashTable *tokens;
 266         GHashTable *blob_cache;
 267         GList *array_methods;
 268         GPtrArray *gen_params;
 269         MonoGHashTable *token_fixups;
 270         GHashTable *method_to_table_idx;
 271         GHashTable *field_to_table_idx;
 272         GHashTable *method_aux_hash;
 273         gboolean run;
 274         gboolean save;
 275         gboolean initial_image;
 276         guint32 pe_kind, machine;
 277         char *strong_name;
 278         guint32 strong_name_size;
 279         char *win32_res;
 280         guint32 win32_res_size;
 281         MonoDynamicStream sheap;
 282         MonoDynamicStream code; /* used to store method headers and bytecode */
 283         MonoDynamicStream resources; /* managed embedded resources */
 284         MonoDynamicStream us;
 285         MonoDynamicStream blob;
 286         MonoDynamicStream tstream;
 287         MonoDynamicStream guid;
 288         MonoDynamicTable tables [MONO_TABLE_NUM];
 289 };
 290
 291 /* Contains information about assembly binding */
 292 typedef struct _MonoAssemblyBindingInfo {
 293         char *name;
 294         char *culture;
 295         guchar public_key_token [MONO_PUBLIC_KEY_TOKEN_LENGTH];
 296         int major;
 297         int minor;
 298         AssemblyVersionSet old_version_bottom;
 299         AssemblyVersionSet old_version_top;
 300         AssemblyVersionSet new_version;
 301         guint has_old_version_bottom : 1;
 302         guint has_old_version_top : 1;
 303         guint has_new_version : 1;
 304         guint is_valid : 1;
 305 } MonoAssemblyBindingInfo;
 306
 307 struct _MonoMethodHeader {
 308         guint32      code_size;
 309         const unsigned char  *code;
 310         guint16      max_stack;
 311         unsigned int num_clauses : 15;
 312         /* if num_locals != 0, then the following apply: */
 313         unsigned int init_locals : 1;
 314         guint16      num_locals;
 315         MonoExceptionClause *clauses;
 316         MonoType    *locals [MONO_ZERO_LEN_ARRAY];
 317 };
 318
 319 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
 320 guint mono_aligned_addr_hash (gconstpointer ptr) MONO_INTERNAL;
 321
 322 void
 323 mono_image_check_for_module_cctor (MonoImage *image) MONO_INTERNAL;
 324
 325 void
 326 mono_metadata_cleanup (void);
 327
 328 const char *   mono_meta_table_name              (int table) MONO_INTERNAL;
 329 void           mono_metadata_compute_table_bases (MonoImage *meta) MONO_INTERNAL;
 330
 331 gboolean
 332 mono_metadata_interfaces_from_typedef_full  (MonoImage             *image,
 333                                                                                          guint32                table_index,
 334                                                                                          MonoClass           ***interfaces,
 335                                                                                          guint                 *count,
 336                                                                                          MonoGenericContext    *context) MONO_INTERNAL;
 337
 338 MonoArrayType *
 339 mono_metadata_parse_array_full              (MonoImage             *image,
 340                                              MonoGenericContainer  *container,
 341                                              const char            *ptr,
 342                                              const char           **rptr) MONO_INTERNAL;
 343
 344 MonoType *
 345 mono_metadata_parse_type_full               (MonoImage             *image,
 346                                              MonoGenericContainer  *container,
 347                                              MonoParseTypeMode      mode,
 348                                              short                  opt_attrs,
 349                                              const char            *ptr,
 350                                              const char           **rptr);
 351
 352 MonoMethodSignature *
 353 mono_metadata_parse_signature_full          (MonoImage             *image,
 354                                              MonoGenericContainer  *generic_container,
 355                                              guint32                token) MONO_INTERNAL;
 356
 357 MonoMethodSignature *
 358 mono_metadata_parse_method_signature_full   (MonoImage             *image,
 359                                              MonoGenericContainer  *generic_container,
 360                                              int                     def,
 361                                              const char             *ptr,
 362                                              const char            **rptr);
 363
 364 MonoMethodHeader *
 365 mono_metadata_parse_mh_full                 (MonoImage             *image,
 366                                              MonoGenericContainer  *container,
 367                                              const char            *ptr);
 368
 369 int* mono_metadata_get_param_attrs          (MonoImage *m, int def);
 370
 371 guint
 372 mono_metadata_generic_method_hash           (MonoGenericMethod     *gmethod) MONO_INTERNAL;
 373
 374 gboolean
 375 mono_metadata_generic_method_equal          (MonoGenericMethod     *g1,
 376                                              MonoGenericMethod     *g2) MONO_INTERNAL;
 377
 378 MonoGenericInst *
 379 mono_metadata_parse_generic_inst            (MonoImage             *image,
 380                                              MonoGenericContainer  *container,
 381                                              int                    count,
 382                                              const char            *ptr,
 383                                              const char           **rptr) MONO_INTERNAL;
 384
 385 MonoGenericInst *
 386 mono_metadata_lookup_generic_inst           (MonoGenericInst       *ginst) MONO_INTERNAL;
 387
 388 MonoGenericClass *
 389 mono_metadata_lookup_generic_class          (MonoGenericClass      *gclass) MONO_INTERNAL;
 390
 391 MonoGenericInst *
 392 mono_metadata_inflate_generic_inst          (MonoGenericInst       *ginst,
 393                                              MonoGenericContext    *context) MONO_INTERNAL;
 394
 395 void mono_dynamic_stream_reset (MonoDynamicStream* stream) MONO_INTERNAL;
 396 void mono_assembly_addref      (MonoAssembly *assembly) MONO_INTERNAL;
 397
 398 void mono_config_parse_publisher_policy (const char *filename, MonoAssemblyBindingInfo *binding_info) MONO_INTERNAL;
 399
 400 gboolean
 401 mono_assembly_name_parse_full                (const char           *name,
 402                                               MonoAssemblyName     *aname,
 403                                               gboolean save_public_key,
 404                                               gboolean *is_version_defined) MONO_INTERNAL;
 405
 406 guint32 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner);
 407
 408 void mono_unload_interface_ids (MonoBitSet *bitset) MONO_INTERNAL;
 409
 410
 411 MonoType *mono_metadata_type_dup_mp (MonoImage *image, const MonoType *original) MONO_INTERNAL;
 412
 413 #endif /* __MONO_METADATA_INTERNALS_H__ */
 414