3 * Routines for accessing the metadata
6 * Miguel de Icaza (miguel@ximian.com)
7 * Paolo Molaro (lupus@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
20 #include "tabledefs.h"
21 #include "mono-endian.h"
23 #include "tokentype.h"
24 #include "class-internals.h"
25 #include "metadata-internals.h"
26 #include "verify-internals.h"
29 #include "debug-helpers.h"
30 #include "abi-details.h"
31 #include <mono/utils/mono-error-internals.h>
32 #include <mono/utils/bsearch.h>
33 #include <mono/utils/atomic.h>
34 #include <mono/utils/mono-counters.h>
36 static int img_set_cache_hit, img_set_cache_miss, img_set_count;
39 /* Auxiliary structure used for caching inflated signatures */
41 MonoMethodSignature *sig;
42 MonoGenericContext context;
43 } MonoInflatedMethodSignature;
45 static gboolean do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container, gboolean transient,
46 const char *ptr, const char **rptr, MonoError *error);
48 static gboolean do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only);
49 static gboolean mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only);
50 static gboolean mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only);
51 static gboolean _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2,
52 gboolean signature_only);
53 static void free_generic_inst (MonoGenericInst *ginst);
54 static void free_generic_class (MonoGenericClass *ginst);
55 static void free_inflated_method (MonoMethodInflated *method);
56 static void free_inflated_signature (MonoInflatedMethodSignature *sig);
57 static void mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva, MonoMarshalSpec **marshal_spec, gboolean alloc_from_image);
60 * This enumeration is used to describe the data types in the metadata
71 /* Index into Blob heap */
74 /* Index into String heap */
80 /* Pointer into a table */
83 /* HasConstant:Parent pointer (Param, Field or Property) */
86 /* HasCustomAttribute index. Indexes any table except CustomAttribute */
89 /* CustomAttributeType encoded index */
92 /* HasDeclSecurity index: TypeDef Method or Assembly */
95 /* Implementation coded index: File, Export AssemblyRef */
98 /* HasFieldMarshal coded index: Field or Param table */
101 /* MemberForwardedIndex: Field or Method */
104 /* TypeDefOrRef coded index: typedef, typeref, typespec */
107 /* MemberRefParent coded index: typeref, moduleref, method, memberref, typesepc, typedef */
110 /* MethodDefOrRef coded index: Method or Member Ref table */
113 /* HasSemantic coded index: Event or Property */
116 /* ResolutionScope coded index: Module, ModuleRef, AssemblytRef, TypeRef */
119 /* CustomDebugInformation parent encoded index */
120 MONO_MT_HASCUSTDEBUG_IDX
123 const static unsigned char TableSchemas [] = {
124 #define ASSEMBLY_SCHEMA_OFFSET 0
125 MONO_MT_UINT32, /* "HashId" }, */
126 MONO_MT_UINT16, /* "Major" }, */
127 MONO_MT_UINT16, /* "Minor" }, */
128 MONO_MT_UINT16, /* "BuildNumber" }, */
129 MONO_MT_UINT16, /* "RevisionNumber" }, */
130 MONO_MT_UINT32, /* "Flags" }, */
131 MONO_MT_BLOB_IDX, /* "PublicKey" }, */
132 MONO_MT_STRING_IDX, /* "Name" }, */
133 MONO_MT_STRING_IDX, /* "Culture" }, */
136 #define ASSEMBLYOS_SCHEMA_OFFSET ASSEMBLY_SCHEMA_OFFSET + 10
137 MONO_MT_UINT32, /* "OSPlatformID" }, */
138 MONO_MT_UINT32, /* "OSMajor" }, */
139 MONO_MT_UINT32, /* "OSMinor" }, */
142 #define ASSEMBLYPROC_SCHEMA_OFFSET ASSEMBLYOS_SCHEMA_OFFSET + 4
143 MONO_MT_UINT32, /* "Processor" }, */
146 #define ASSEMBLYREF_SCHEMA_OFFSET ASSEMBLYPROC_SCHEMA_OFFSET + 2
147 MONO_MT_UINT16, /* "Major" }, */
148 MONO_MT_UINT16, /* "Minor" }, */
149 MONO_MT_UINT16, /* "Build" }, */
150 MONO_MT_UINT16, /* "Revision" }, */
151 MONO_MT_UINT32, /* "Flags" }, */
152 MONO_MT_BLOB_IDX, /* "PublicKeyOrToken" }, */
153 MONO_MT_STRING_IDX, /* "Name" }, */
154 MONO_MT_STRING_IDX, /* "Culture" }, */
155 MONO_MT_BLOB_IDX, /* "HashValue" }, */
158 #define ASSEMBLYREFOS_SCHEMA_OFFSET ASSEMBLYREF_SCHEMA_OFFSET + 10
159 MONO_MT_UINT32, /* "OSPlatformID" }, */
160 MONO_MT_UINT32, /* "OSMajorVersion" }, */
161 MONO_MT_UINT32, /* "OSMinorVersion" }, */
162 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
165 #define ASSEMBLYREFPROC_SCHEMA_OFFSET ASSEMBLYREFOS_SCHEMA_OFFSET + 5
166 MONO_MT_UINT32, /* "Processor" }, */
167 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
170 #define CLASS_LAYOUT_SCHEMA_OFFSET ASSEMBLYREFPROC_SCHEMA_OFFSET + 3
171 MONO_MT_UINT16, /* "PackingSize" }, */
172 MONO_MT_UINT32, /* "ClassSize" }, */
173 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
176 #define CONSTANT_SCHEMA_OFFSET CLASS_LAYOUT_SCHEMA_OFFSET + 4
177 MONO_MT_UINT8, /* "Type" }, */
178 MONO_MT_UINT8, /* "PaddingZero" }, */
179 MONO_MT_CONST_IDX, /* "Parent" }, */
180 MONO_MT_BLOB_IDX, /* "Value" }, */
183 #define CUSTOM_ATTR_SCHEMA_OFFSET CONSTANT_SCHEMA_OFFSET + 5
184 MONO_MT_HASCAT_IDX, /* "Parent" }, */
185 MONO_MT_CAT_IDX, /* "Type" }, */
186 MONO_MT_BLOB_IDX, /* "Value" }, */
189 #define DECL_SEC_SCHEMA_OFFSET CUSTOM_ATTR_SCHEMA_OFFSET + 4
190 MONO_MT_UINT16, /* "Action" }, */
191 MONO_MT_HASDEC_IDX, /* "Parent" }, */
192 MONO_MT_BLOB_IDX, /* "PermissionSet" }, */
195 #define EVENTMAP_SCHEMA_OFFSET DECL_SEC_SCHEMA_OFFSET + 4
196 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
197 MONO_MT_TABLE_IDX, /* "EventList:Event" }, */
200 #define EVENT_SCHEMA_OFFSET EVENTMAP_SCHEMA_OFFSET + 3
201 MONO_MT_UINT16, /* "EventFlags#EventAttribute" }, */
202 MONO_MT_STRING_IDX, /* "Name" }, */
203 MONO_MT_TDOR_IDX, /* "EventType" }, TypeDef or TypeRef or TypeSpec */
206 #define EVENT_POINTER_SCHEMA_OFFSET EVENT_SCHEMA_OFFSET + 4
207 MONO_MT_TABLE_IDX, /* "Event" }, */
210 #define EXPORTED_TYPE_SCHEMA_OFFSET EVENT_POINTER_SCHEMA_OFFSET + 2
211 MONO_MT_UINT32, /* "Flags" }, */
212 MONO_MT_TABLE_IDX, /* "TypeDefId" }, */
213 MONO_MT_STRING_IDX, /* "TypeName" }, */
214 MONO_MT_STRING_IDX, /* "TypeNameSpace" }, */
215 MONO_MT_IMPL_IDX, /* "Implementation" }, */
218 #define FIELD_SCHEMA_OFFSET EXPORTED_TYPE_SCHEMA_OFFSET + 6
219 MONO_MT_UINT16, /* "Flags" }, */
220 MONO_MT_STRING_IDX, /* "Name" }, */
221 MONO_MT_BLOB_IDX, /* "Signature" }, */
224 #define FIELD_LAYOUT_SCHEMA_OFFSET FIELD_SCHEMA_OFFSET + 4
225 MONO_MT_UINT32, /* "Offset" }, */
226 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
229 #define FIELD_MARSHAL_SCHEMA_OFFSET FIELD_LAYOUT_SCHEMA_OFFSET + 3
230 MONO_MT_HFM_IDX, /* "Parent" }, */
231 MONO_MT_BLOB_IDX, /* "NativeType" }, */
234 #define FIELD_RVA_SCHEMA_OFFSET FIELD_MARSHAL_SCHEMA_OFFSET + 3
235 MONO_MT_UINT32, /* "RVA" }, */
236 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
239 #define FIELD_POINTER_SCHEMA_OFFSET FIELD_RVA_SCHEMA_OFFSET + 3
240 MONO_MT_TABLE_IDX, /* "Field" }, */
243 #define FILE_SCHEMA_OFFSET FIELD_POINTER_SCHEMA_OFFSET + 2
244 MONO_MT_UINT32, /* "Flags" }, */
245 MONO_MT_STRING_IDX, /* "Name" }, */
246 MONO_MT_BLOB_IDX, /* "Value" }, */
249 #define IMPLMAP_SCHEMA_OFFSET FILE_SCHEMA_OFFSET + 4
250 MONO_MT_UINT16, /* "MappingFlag" }, */
251 MONO_MT_MF_IDX, /* "MemberForwarded" }, */
252 MONO_MT_STRING_IDX, /* "ImportName" }, */
253 MONO_MT_TABLE_IDX, /* "ImportScope:ModuleRef" }, */
256 #define IFACEMAP_SCHEMA_OFFSET IMPLMAP_SCHEMA_OFFSET + 5
257 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
258 MONO_MT_TDOR_IDX, /* "Interface=TypeDefOrRef" }, */
261 #define MANIFEST_SCHEMA_OFFSET IFACEMAP_SCHEMA_OFFSET + 3
262 MONO_MT_UINT32, /* "Offset" }, */
263 MONO_MT_UINT32, /* "Flags" }, */
264 MONO_MT_STRING_IDX, /* "Name" }, */
265 MONO_MT_IMPL_IDX, /* "Implementation" }, */
268 #define MEMBERREF_SCHEMA_OFFSET MANIFEST_SCHEMA_OFFSET + 5
269 MONO_MT_MRP_IDX, /* "Class" }, */
270 MONO_MT_STRING_IDX, /* "Name" }, */
271 MONO_MT_BLOB_IDX, /* "Signature" }, */
274 #define METHOD_SCHEMA_OFFSET MEMBERREF_SCHEMA_OFFSET + 4
275 MONO_MT_UINT32, /* "RVA" }, */
276 MONO_MT_UINT16, /* "ImplFlags#MethodImplAttributes" }, */
277 MONO_MT_UINT16, /* "Flags#MethodAttribute" }, */
278 MONO_MT_STRING_IDX, /* "Name" }, */
279 MONO_MT_BLOB_IDX, /* "Signature" }, */
280 MONO_MT_TABLE_IDX, /* "ParamList:Param" }, */
283 #define METHOD_IMPL_SCHEMA_OFFSET METHOD_SCHEMA_OFFSET + 7
284 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
285 MONO_MT_MDOR_IDX, /* "MethodBody" }, */
286 MONO_MT_MDOR_IDX, /* "MethodDeclaration" }, */
289 #define METHOD_SEMA_SCHEMA_OFFSET METHOD_IMPL_SCHEMA_OFFSET + 4
290 MONO_MT_UINT16, /* "MethodSemantic" }, */
291 MONO_MT_TABLE_IDX, /* "Method:Method" }, */
292 MONO_MT_HS_IDX, /* "Association" }, */
295 #define METHOD_POINTER_SCHEMA_OFFSET METHOD_SEMA_SCHEMA_OFFSET + 4
296 MONO_MT_TABLE_IDX, /* "Method" }, */
299 #define MODULE_SCHEMA_OFFSET METHOD_POINTER_SCHEMA_OFFSET + 2
300 MONO_MT_UINT16, /* "Generation" }, */
301 MONO_MT_STRING_IDX, /* "Name" }, */
302 MONO_MT_GUID_IDX, /* "MVID" }, */
303 MONO_MT_GUID_IDX, /* "EncID" }, */
304 MONO_MT_GUID_IDX, /* "EncBaseID" }, */
307 #define MODULEREF_SCHEMA_OFFSET MODULE_SCHEMA_OFFSET + 6
308 MONO_MT_STRING_IDX, /* "Name" }, */
311 #define NESTED_CLASS_SCHEMA_OFFSET MODULEREF_SCHEMA_OFFSET + 2
312 MONO_MT_TABLE_IDX, /* "NestedClass:TypeDef" }, */
313 MONO_MT_TABLE_IDX, /* "EnclosingClass:TypeDef" }, */
316 #define PARAM_SCHEMA_OFFSET NESTED_CLASS_SCHEMA_OFFSET + 3
317 MONO_MT_UINT16, /* "Flags" }, */
318 MONO_MT_UINT16, /* "Sequence" }, */
319 MONO_MT_STRING_IDX, /* "Name" }, */
322 #define PARAM_POINTER_SCHEMA_OFFSET PARAM_SCHEMA_OFFSET + 4
323 MONO_MT_TABLE_IDX, /* "Param" }, */
326 #define PROPERTY_SCHEMA_OFFSET PARAM_POINTER_SCHEMA_OFFSET + 2
327 MONO_MT_UINT16, /* "Flags" }, */
328 MONO_MT_STRING_IDX, /* "Name" }, */
329 MONO_MT_BLOB_IDX, /* "Type" }, */
332 #define PROPERTY_POINTER_SCHEMA_OFFSET PROPERTY_SCHEMA_OFFSET + 4
333 MONO_MT_TABLE_IDX, /* "Property" }, */
336 #define PROPERTY_MAP_SCHEMA_OFFSET PROPERTY_POINTER_SCHEMA_OFFSET + 2
337 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
338 MONO_MT_TABLE_IDX, /* "PropertyList:Property" }, */
341 #define STDALON_SIG_SCHEMA_OFFSET PROPERTY_MAP_SCHEMA_OFFSET + 3
342 MONO_MT_BLOB_IDX, /* "Signature" }, */
345 #define TYPEDEF_SCHEMA_OFFSET STDALON_SIG_SCHEMA_OFFSET + 2
346 MONO_MT_UINT32, /* "Flags" }, */
347 MONO_MT_STRING_IDX, /* "Name" }, */
348 MONO_MT_STRING_IDX, /* "Namespace" }, */
349 MONO_MT_TDOR_IDX, /* "Extends" }, */
350 MONO_MT_TABLE_IDX, /* "FieldList:Field" }, */
351 MONO_MT_TABLE_IDX, /* "MethodList:Method" }, */
354 #define TYPEREF_SCHEMA_OFFSET TYPEDEF_SCHEMA_OFFSET + 7
355 MONO_MT_RS_IDX, /* "ResolutionScope=ResolutionScope" }, */
356 MONO_MT_STRING_IDX, /* "Name" }, */
357 MONO_MT_STRING_IDX, /* "Namespace" }, */
360 #define TYPESPEC_SCHEMA_OFFSET TYPEREF_SCHEMA_OFFSET + 4
361 MONO_MT_BLOB_IDX, /* "Signature" }, */
364 #define GENPARAM_SCHEMA_OFFSET TYPESPEC_SCHEMA_OFFSET + 2
365 MONO_MT_UINT16, /* "Number" }, */
366 MONO_MT_UINT16, /* "Flags" }, */
367 MONO_MT_TABLE_IDX, /* "Owner" }, TypeDef or MethodDef */
368 MONO_MT_STRING_IDX, /* "Name" }, */
371 #define METHOD_SPEC_SCHEMA_OFFSET GENPARAM_SCHEMA_OFFSET + 5
372 MONO_MT_MDOR_IDX, /* "Method" }, */
373 MONO_MT_BLOB_IDX, /* "Signature" }, */
376 #define GEN_CONSTRAINT_SCHEMA_OFFSET METHOD_SPEC_SCHEMA_OFFSET + 3
377 MONO_MT_TABLE_IDX, /* "GenericParam" }, */
378 MONO_MT_TDOR_IDX, /* "Constraint" }, */
381 #define DOCUMENT_SCHEMA_OFFSET GEN_CONSTRAINT_SCHEMA_OFFSET + 3
382 MONO_MT_BLOB_IDX, /* Name */
383 MONO_MT_GUID_IDX, /* HashAlgorithm */
384 MONO_MT_BLOB_IDX, /* Hash */
385 MONO_MT_GUID_IDX, /* Language */
388 #define METHODBODY_SCHEMA_OFFSET DOCUMENT_SCHEMA_OFFSET + 5
389 MONO_MT_TABLE_IDX, /* Document */
390 MONO_MT_BLOB_IDX, /* SequencePoints */
393 #define LOCALSCOPE_SCHEMA_OFFSET METHODBODY_SCHEMA_OFFSET + 3
394 MONO_MT_TABLE_IDX, /* Method */
395 MONO_MT_TABLE_IDX, /* ImportScope */
396 MONO_MT_TABLE_IDX, /* VariableList */
397 MONO_MT_TABLE_IDX, /* ConstantList */
398 MONO_MT_UINT32, /* StartOffset */
399 MONO_MT_UINT32, /* Length */
402 #define LOCALVARIABLE_SCHEMA_OFFSET LOCALSCOPE_SCHEMA_OFFSET + 7
403 MONO_MT_UINT16, /* Attributes */
404 MONO_MT_UINT16, /* Index */
405 MONO_MT_STRING_IDX, /* Name */
408 #define LOCALCONSTANT_SCHEMA_OFFSET LOCALVARIABLE_SCHEMA_OFFSET + 4
409 MONO_MT_STRING_IDX, /* Name (String heap index) */
410 MONO_MT_BLOB_IDX, /* Signature (Blob heap index, LocalConstantSig blob) */
413 #define IMPORTSCOPE_SCHEMA_OFFSET LOCALCONSTANT_SCHEMA_OFFSET + 3
414 MONO_MT_TABLE_IDX, /* Parent (ImportScope row id or nil) */
415 MONO_MT_BLOB_IDX, /* Imports (Blob index, encoding: Imports blob) */
418 #define ASYNCMETHOD_SCHEMA_OFFSET IMPORTSCOPE_SCHEMA_OFFSET + 3
419 MONO_MT_TABLE_IDX, /* MoveNextMethod (MethodDef row id) */
420 MONO_MT_TABLE_IDX, /* KickoffMethod (MethodDef row id) */
423 #define CUSTOMDEBUGINFORMATION_SCHEMA_OFFSET ASYNCMETHOD_SCHEMA_OFFSET + 3
424 MONO_MT_HASCUSTDEBUG_IDX, /* Parent (HasCustomDebugInformation coded index) */
425 MONO_MT_GUID_IDX, /* Kind (Guid heap index) */
426 MONO_MT_BLOB_IDX, /* Value (Blob heap index) */
429 #define NULL_SCHEMA_OFFSET CUSTOMDEBUGINFORMATION_SCHEMA_OFFSET + 4
433 /* Must be the same order as MONO_TABLE_* */
434 const static unsigned char
435 table_description [] = {
436 MODULE_SCHEMA_OFFSET,
437 TYPEREF_SCHEMA_OFFSET,
438 TYPEDEF_SCHEMA_OFFSET,
439 FIELD_POINTER_SCHEMA_OFFSET,
441 METHOD_POINTER_SCHEMA_OFFSET,
442 METHOD_SCHEMA_OFFSET,
443 PARAM_POINTER_SCHEMA_OFFSET,
445 IFACEMAP_SCHEMA_OFFSET,
446 MEMBERREF_SCHEMA_OFFSET, /* 0xa */
447 CONSTANT_SCHEMA_OFFSET,
448 CUSTOM_ATTR_SCHEMA_OFFSET,
449 FIELD_MARSHAL_SCHEMA_OFFSET,
450 DECL_SEC_SCHEMA_OFFSET,
451 CLASS_LAYOUT_SCHEMA_OFFSET,
452 FIELD_LAYOUT_SCHEMA_OFFSET, /* 0x10 */
453 STDALON_SIG_SCHEMA_OFFSET,
454 EVENTMAP_SCHEMA_OFFSET,
455 EVENT_POINTER_SCHEMA_OFFSET,
457 PROPERTY_MAP_SCHEMA_OFFSET,
458 PROPERTY_POINTER_SCHEMA_OFFSET,
459 PROPERTY_SCHEMA_OFFSET,
460 METHOD_SEMA_SCHEMA_OFFSET,
461 METHOD_IMPL_SCHEMA_OFFSET,
462 MODULEREF_SCHEMA_OFFSET, /* 0x1a */
463 TYPESPEC_SCHEMA_OFFSET,
464 IMPLMAP_SCHEMA_OFFSET,
465 FIELD_RVA_SCHEMA_OFFSET,
468 ASSEMBLY_SCHEMA_OFFSET, /* 0x20 */
469 ASSEMBLYPROC_SCHEMA_OFFSET,
470 ASSEMBLYOS_SCHEMA_OFFSET,
471 ASSEMBLYREF_SCHEMA_OFFSET,
472 ASSEMBLYREFPROC_SCHEMA_OFFSET,
473 ASSEMBLYREFOS_SCHEMA_OFFSET,
475 EXPORTED_TYPE_SCHEMA_OFFSET,
476 MANIFEST_SCHEMA_OFFSET,
477 NESTED_CLASS_SCHEMA_OFFSET,
478 GENPARAM_SCHEMA_OFFSET, /* 0x2a */
479 METHOD_SPEC_SCHEMA_OFFSET,
480 GEN_CONSTRAINT_SCHEMA_OFFSET,
484 DOCUMENT_SCHEMA_OFFSET, /* 0x30 */
485 METHODBODY_SCHEMA_OFFSET,
486 LOCALSCOPE_SCHEMA_OFFSET,
487 LOCALVARIABLE_SCHEMA_OFFSET,
488 LOCALCONSTANT_SCHEMA_OFFSET,
489 IMPORTSCOPE_SCHEMA_OFFSET,
490 ASYNCMETHOD_SCHEMA_OFFSET,
491 CUSTOMDEBUGINFORMATION_SCHEMA_OFFSET
494 #ifdef HAVE_ARRAY_ELEM_INIT
495 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
496 #define MSGSTRFIELD1(line) str##line
497 static const struct msgstr_t {
498 #define TABLEDEF(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
499 #include "mono/cil/tables.def"
502 #define TABLEDEF(a,b) b,
503 #include "mono/cil/tables.def"
506 static const gint16 tableidx [] = {
507 #define TABLEDEF(a,b) [a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
508 #include "mono/cil/tables.def"
513 #define TABLEDEF(a,b) b,
514 static const char* const
515 mono_tables_names [] = {
516 #include "mono/cil/tables.def"
522 /* If TRUE (but also see DISABLE_STICT_STRONG_NAMES #define), Mono will check
523 * that the public key token, culture and version of a candidate assembly matches
524 * the requested strong name. If FALSE, as long as the name matches, the candidate
527 static gboolean check_strong_names_strictly = FALSE;
529 // Amount initially reserved in each imageset's mempool.
530 // FIXME: This number is arbitrary, a more practical number should be found
531 #define INITIAL_IMAGE_SET_SIZE 1024
534 * mono_meta_table_name:
535 * \param table table index
537 * Returns the name of the given ECMA metadata logical format table
538 * as described in ECMA 335, Partition II, Section 22.
540 * \returns the name for the \p table index
543 mono_meta_table_name (int table)
545 if ((table < 0) || (table > MONO_TABLE_LAST))
548 #ifdef HAVE_ARRAY_ELEM_INIT
549 return (const char*)&tablestr + tableidx [table];
551 return mono_tables_names [table];
555 /* The guy who wrote the spec for this should not be allowed near a
558 If e is a coded token(see clause 23.1.7) that points into table ti out of n possible tables t0, .. tn-1,
559 then it is stored as e << (log n) & tag{ t0, .. tn-1}[ ti] using 2 bytes if the maximum number of
560 rows of tables t0, ..tn-1, is less than 2^16 - (log n), and using 4 bytes otherwise. The family of
561 finite maps tag{ t0, ..tn-1} is defined below. Note that to decode a physical row, you need the
562 inverse of this mapping.
565 #define rtsize(meta,s,b) (((s) < (1 << (b)) ? 2 : 4))
568 idx_size (MonoImage *meta, int tableidx)
570 if (meta->referenced_tables && (meta->referenced_tables & ((guint64)1 << tableidx)))
571 return meta->referenced_table_rows [tableidx] < 65536 ? 2 : 4;
573 return meta->tables [tableidx].rows < 65536 ? 2 : 4;
577 get_nrows (MonoImage *meta, int tableidx)
579 if (meta->referenced_tables && (meta->referenced_tables & ((guint64)1 << tableidx)))
580 return meta->referenced_table_rows [tableidx];
582 return meta->tables [tableidx].rows;
585 /* Reference: Partition II - 23.2.6 */
587 * mono_metadata_compute_size:
588 * \param meta metadata context
589 * \param tableindex metadata table number
590 * \param result_bitfield pointer to \c guint32 where to store additional info
592 * \c mono_metadata_compute_size computes the length in bytes of a single
593 * row in a metadata table. The size of each column is encoded in the
594 * \p result_bitfield return value along with the number of columns in the table.
595 * the resulting bitfield should be handed to the \c mono_metadata_table_size
596 * and \c mono_metadata_table_count macros.
597 * This is a Mono runtime internal only function.
600 mono_metadata_compute_size (MonoImage *meta, int tableindex, guint32 *result_bitfield)
602 guint32 bitfield = 0;
603 int size = 0, field_size = 0;
606 const unsigned char *description = TableSchemas + table_description [tableindex];
608 for (i = 0; (code = description [i]) != MONO_MT_END; i++){
611 field_size = 4; break;
614 field_size = 2; break;
617 field_size = 1; break;
619 case MONO_MT_BLOB_IDX:
620 field_size = meta->idx_blob_wide ? 4 : 2; break;
622 case MONO_MT_STRING_IDX:
623 field_size = meta->idx_string_wide ? 4 : 2; break;
625 case MONO_MT_GUID_IDX:
626 field_size = meta->idx_guid_wide ? 4 : 2; break;
628 case MONO_MT_TABLE_IDX:
629 /* Uhm, a table index can point to other tables besides the current one
630 * so, it's not correct to use the rowcount of the current table to
631 * get the size for this column - lupus
633 switch (tableindex) {
634 case MONO_TABLE_ASSEMBLYREFOS:
636 field_size = idx_size (meta, MONO_TABLE_ASSEMBLYREF); break;
637 case MONO_TABLE_ASSEMBLYREFPROCESSOR:
639 field_size = idx_size (meta, MONO_TABLE_ASSEMBLYREF); break;
640 case MONO_TABLE_CLASSLAYOUT:
642 field_size = idx_size (meta, MONO_TABLE_TYPEDEF); break;
643 case MONO_TABLE_EVENTMAP:
644 g_assert (i == 0 || i == 1);
645 field_size = i ? idx_size (meta, MONO_TABLE_EVENT):
646 idx_size (meta, MONO_TABLE_TYPEDEF);
648 case MONO_TABLE_EVENT_POINTER:
650 field_size = idx_size (meta, MONO_TABLE_EVENT); break;
651 case MONO_TABLE_EXPORTEDTYPE:
653 /* the index is in another metadata file, so it must be 4 */
654 field_size = 4; break;
655 case MONO_TABLE_FIELDLAYOUT:
657 field_size = idx_size (meta, MONO_TABLE_FIELD); break;
658 case MONO_TABLE_FIELDRVA:
660 field_size = idx_size (meta, MONO_TABLE_FIELD); break;
661 case MONO_TABLE_FIELD_POINTER:
663 field_size = idx_size (meta, MONO_TABLE_FIELD); break;
664 case MONO_TABLE_IMPLMAP:
666 field_size = idx_size (meta, MONO_TABLE_MODULEREF); break;
667 case MONO_TABLE_INTERFACEIMPL:
669 field_size = idx_size (meta, MONO_TABLE_TYPEDEF); break;
670 case MONO_TABLE_METHOD:
672 field_size = idx_size (meta, MONO_TABLE_PARAM); break;
673 case MONO_TABLE_METHODIMPL:
675 field_size = idx_size (meta, MONO_TABLE_TYPEDEF); break;
676 case MONO_TABLE_METHODSEMANTICS:
678 field_size = idx_size (meta, MONO_TABLE_METHOD); break;
679 case MONO_TABLE_METHOD_POINTER:
681 field_size = idx_size (meta, MONO_TABLE_METHOD); break;
682 case MONO_TABLE_NESTEDCLASS:
683 g_assert (i == 0 || i == 1);
684 field_size = idx_size (meta, MONO_TABLE_TYPEDEF); break;
685 case MONO_TABLE_PARAM_POINTER:
687 field_size = idx_size (meta, MONO_TABLE_PARAM); break;
688 case MONO_TABLE_PROPERTYMAP:
689 g_assert (i == 0 || i == 1);
690 field_size = i ? idx_size (meta, MONO_TABLE_PROPERTY):
691 idx_size (meta, MONO_TABLE_TYPEDEF);
693 case MONO_TABLE_PROPERTY_POINTER:
695 field_size = idx_size (meta, MONO_TABLE_PROPERTY); break;
696 case MONO_TABLE_TYPEDEF:
697 g_assert (i == 4 || i == 5);
698 field_size = i == 4 ? idx_size (meta, MONO_TABLE_FIELD):
699 idx_size (meta, MONO_TABLE_METHOD);
701 case MONO_TABLE_GENERICPARAM:
703 n = MAX (get_nrows (meta, MONO_TABLE_METHOD), get_nrows (meta, MONO_TABLE_TYPEDEF));
704 /*This is a coded token for 2 tables, so takes 1 bit */
705 field_size = rtsize (meta, n, 16 - MONO_TYPEORMETHOD_BITS);
707 case MONO_TABLE_GENERICPARAMCONSTRAINT:
709 field_size = idx_size (meta, MONO_TABLE_GENERICPARAM);
711 case MONO_TABLE_LOCALSCOPE:
714 // FIXME: This table is in another file
715 field_size = idx_size (meta, MONO_TABLE_METHOD);
718 field_size = idx_size (meta, MONO_TABLE_IMPORTSCOPE);
721 field_size = idx_size (meta, MONO_TABLE_LOCALVARIABLE);
724 field_size = idx_size (meta, MONO_TABLE_LOCALCONSTANT);
727 g_assert_not_reached ();
731 case MONO_TABLE_METHODBODY:
733 field_size = idx_size (meta, MONO_TABLE_DOCUMENT); break;
734 case MONO_TABLE_IMPORTSCOPE:
736 field_size = idx_size (meta, MONO_TABLE_IMPORTSCOPE); break;
737 case MONO_TABLE_STATEMACHINEMETHOD:
738 g_assert(i == 0 || i == 1);
739 field_size = idx_size(meta, MONO_TABLE_METHOD); break;
741 g_error ("Can't handle MONO_MT_TABLE_IDX for table %d element %d", tableindex, i);
746 * HasConstant: ParamDef, FieldDef, Property
748 case MONO_MT_CONST_IDX:
749 n = MAX (get_nrows (meta, MONO_TABLE_PARAM),
750 get_nrows (meta, MONO_TABLE_FIELD));
751 n = MAX (n, get_nrows (meta, MONO_TABLE_PROPERTY));
753 /* 2 bits to encode tag */
754 field_size = rtsize (meta, n, 16-2);
758 * HasCustomAttribute: points to any table but
761 case MONO_MT_HASCAT_IDX:
763 * We believe that since the signature and
764 * permission are indexing the Blob heap,
765 * we should consider the blob size first
767 /* I'm not a believer - lupus
768 if (meta->idx_blob_wide){
773 n = MAX (get_nrows (meta, MONO_TABLE_METHOD),
774 get_nrows (meta, MONO_TABLE_FIELD));
775 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPEREF));
776 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPEDEF));
777 n = MAX (n, get_nrows (meta, MONO_TABLE_PARAM));
778 n = MAX (n, get_nrows (meta, MONO_TABLE_INTERFACEIMPL));
779 n = MAX (n, get_nrows (meta, MONO_TABLE_MEMBERREF));
780 n = MAX (n, get_nrows (meta, MONO_TABLE_MODULE));
781 n = MAX (n, get_nrows (meta, MONO_TABLE_DECLSECURITY));
782 n = MAX (n, get_nrows (meta, MONO_TABLE_PROPERTY));
783 n = MAX (n, get_nrows (meta, MONO_TABLE_EVENT));
784 n = MAX (n, get_nrows (meta, MONO_TABLE_STANDALONESIG));
785 n = MAX (n, get_nrows (meta, MONO_TABLE_MODULEREF));
786 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPESPEC));
787 n = MAX (n, get_nrows (meta, MONO_TABLE_ASSEMBLY));
788 n = MAX (n, get_nrows (meta, MONO_TABLE_ASSEMBLYREF));
789 n = MAX (n, get_nrows (meta, MONO_TABLE_FILE));
790 n = MAX (n, get_nrows (meta, MONO_TABLE_EXPORTEDTYPE));
791 n = MAX (n, get_nrows (meta, MONO_TABLE_MANIFESTRESOURCE));
792 n = MAX (n, get_nrows (meta, MONO_TABLE_GENERICPARAM));
793 n = MAX (n, get_nrows (meta, MONO_TABLE_GENERICPARAMCONSTRAINT));
794 n = MAX (n, get_nrows (meta, MONO_TABLE_METHODSPEC));
796 /* 5 bits to encode */
797 field_size = rtsize (meta, n, 16-5);
801 * HasCustomAttribute: points to any table but
805 case MONO_MT_HASCUSTDEBUG_IDX:
806 n = MAX(get_nrows (meta, MONO_TABLE_METHOD),
807 get_nrows (meta, MONO_TABLE_FIELD));
808 n = MAX(n, get_nrows (meta, MONO_TABLE_TYPEREF));
809 n = MAX(n, get_nrows (meta, MONO_TABLE_TYPEDEF));
810 n = MAX(n, get_nrows (meta, MONO_TABLE_PARAM));
811 n = MAX(n, get_nrows (meta, MONO_TABLE_INTERFACEIMPL));
812 n = MAX(n, get_nrows (meta, MONO_TABLE_MEMBERREF));
813 n = MAX(n, get_nrows (meta, MONO_TABLE_MODULE));
814 n = MAX(n, get_nrows (meta, MONO_TABLE_DECLSECURITY));
815 n = MAX(n, get_nrows (meta, MONO_TABLE_PROPERTY));
816 n = MAX(n, get_nrows (meta, MONO_TABLE_EVENT));
817 n = MAX(n, get_nrows (meta, MONO_TABLE_STANDALONESIG));
818 n = MAX(n, get_nrows (meta, MONO_TABLE_MODULEREF));
819 n = MAX(n, get_nrows (meta, MONO_TABLE_TYPESPEC));
820 n = MAX(n, get_nrows (meta, MONO_TABLE_ASSEMBLY));
821 n = MAX(n, get_nrows (meta, MONO_TABLE_ASSEMBLYREF));
822 n = MAX(n, get_nrows (meta, MONO_TABLE_FILE));
823 n = MAX(n, get_nrows (meta, MONO_TABLE_EXPORTEDTYPE));
824 n = MAX(n, get_nrows (meta, MONO_TABLE_MANIFESTRESOURCE));
825 n = MAX(n, get_nrows (meta, MONO_TABLE_GENERICPARAM));
826 n = MAX(n, get_nrows (meta, MONO_TABLE_GENERICPARAMCONSTRAINT));
827 n = MAX(n, get_nrows (meta, MONO_TABLE_METHODSPEC));
828 n = MAX(n, get_nrows (meta, MONO_TABLE_DOCUMENT));
829 n = MAX(n, get_nrows (meta, MONO_TABLE_LOCALSCOPE));
830 n = MAX(n, get_nrows (meta, MONO_TABLE_LOCALVARIABLE));
831 n = MAX(n, get_nrows (meta, MONO_TABLE_LOCALCONSTANT));
832 n = MAX(n, get_nrows (meta, MONO_TABLE_IMPORTSCOPE));
834 /* 5 bits to encode */
835 field_size = rtsize(meta, n, 16 - 5);
839 * CustomAttributeType: TypeDef, TypeRef, MethodDef,
840 * MemberRef and String.
842 case MONO_MT_CAT_IDX:
843 /* String is a heap, if it is wide, we know the size */
845 if (meta->idx_string_wide){
850 n = MAX (get_nrows (meta, MONO_TABLE_TYPEREF),
851 get_nrows (meta, MONO_TABLE_TYPEDEF));
852 n = MAX (n, get_nrows (meta, MONO_TABLE_METHOD));
853 n = MAX (n, get_nrows (meta, MONO_TABLE_MEMBERREF));
855 /* 3 bits to encode */
856 field_size = rtsize (meta, n, 16-3);
860 * HasDeclSecurity: Typedef, MethodDef, Assembly
862 case MONO_MT_HASDEC_IDX:
863 n = MAX (get_nrows (meta, MONO_TABLE_TYPEDEF),
864 get_nrows (meta, MONO_TABLE_METHOD));
865 n = MAX (n, get_nrows (meta, MONO_TABLE_ASSEMBLY));
867 /* 2 bits to encode */
868 field_size = rtsize (meta, n, 16-2);
872 * Implementation: File, AssemblyRef, ExportedType
874 case MONO_MT_IMPL_IDX:
875 n = MAX (get_nrows (meta, MONO_TABLE_FILE),
876 get_nrows (meta, MONO_TABLE_ASSEMBLYREF));
877 n = MAX (n, get_nrows (meta, MONO_TABLE_EXPORTEDTYPE));
879 /* 2 bits to encode tag */
880 field_size = rtsize (meta, n, 16-2);
884 * HasFieldMarshall: FieldDef, ParamDef
886 case MONO_MT_HFM_IDX:
887 n = MAX (get_nrows (meta, MONO_TABLE_FIELD),
888 get_nrows (meta, MONO_TABLE_PARAM));
890 /* 1 bit used to encode tag */
891 field_size = rtsize (meta, n, 16-1);
895 * MemberForwarded: FieldDef, MethodDef
898 n = MAX (get_nrows (meta, MONO_TABLE_FIELD),
899 get_nrows (meta, MONO_TABLE_METHOD));
901 /* 1 bit used to encode tag */
902 field_size = rtsize (meta, n, 16-1);
906 * TypeDefOrRef: TypeDef, ParamDef, TypeSpec
908 * It is TypeDef, _TypeRef_, TypeSpec, instead.
910 case MONO_MT_TDOR_IDX:
911 n = MAX (get_nrows (meta, MONO_TABLE_TYPEDEF),
912 get_nrows (meta, MONO_TABLE_TYPEREF));
913 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPESPEC));
915 /* 2 bits to encode */
916 field_size = rtsize (meta, n, 16-2);
920 * MemberRefParent: TypeDef, TypeRef, MethodDef, ModuleRef, TypeSpec, MemberRef
922 case MONO_MT_MRP_IDX:
923 n = MAX (get_nrows (meta, MONO_TABLE_TYPEDEF),
924 get_nrows (meta, MONO_TABLE_TYPEREF));
925 n = MAX (n, get_nrows (meta, MONO_TABLE_METHOD));
926 n = MAX (n, get_nrows (meta, MONO_TABLE_MODULEREF));
927 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPESPEC));
929 /* 3 bits to encode */
930 field_size = rtsize (meta, n, 16 - 3);
934 * MethodDefOrRef: MethodDef, MemberRef
936 case MONO_MT_MDOR_IDX:
937 n = MAX (get_nrows (meta, MONO_TABLE_METHOD),
938 get_nrows (meta, MONO_TABLE_MEMBERREF));
940 /* 1 bit used to encode tag */
941 field_size = rtsize (meta, n, 16-1);
945 * HasSemantics: Property, Event
948 n = MAX (get_nrows (meta, MONO_TABLE_PROPERTY),
949 get_nrows (meta, MONO_TABLE_EVENT));
951 /* 1 bit used to encode tag */
952 field_size = rtsize (meta, n, 16-1);
956 * ResolutionScope: Module, ModuleRef, AssemblyRef, TypeRef
959 n = MAX (get_nrows (meta, MONO_TABLE_MODULE),
960 get_nrows (meta, MONO_TABLE_MODULEREF));
961 n = MAX (n, get_nrows (meta, MONO_TABLE_ASSEMBLYREF));
962 n = MAX (n, get_nrows (meta, MONO_TABLE_TYPEREF));
964 /* 2 bits used to encode tag (ECMA spec claims 3) */
965 field_size = rtsize (meta, n, 16 - 2);
970 * encode field size as follows (we just need to
977 bitfield |= (field_size-1) << shift;
980 /*g_print ("table %02x field %d size %d\n", tableindex, i, field_size);*/
983 *result_bitfield = (i << 24) | bitfield;
988 * mono_metadata_compute_table_bases:
989 * \param meta metadata context to compute table values
991 * Computes the table bases for the metadata structure.
992 * This is an internal function used by the image loader code.
995 mono_metadata_compute_table_bases (MonoImage *meta)
998 const char *base = meta->tables_base;
1000 for (i = 0; i < MONO_TABLE_NUM; i++) {
1001 MonoTableInfo *table = &meta->tables [i];
1002 if (table->rows == 0)
1005 table->row_size = mono_metadata_compute_size (meta, i, &table->size_bitfield);
1007 base += table->rows * table->row_size;
1012 * mono_metadata_locate:
1013 * \param meta metadata context
1014 * \param table table code.
1015 * \param idx index of element to retrieve from \p table.
1017 * \returns a pointer to the \p idx element in the metadata table
1018 * whose code is \p table.
1021 mono_metadata_locate (MonoImage *meta, int table, int idx)
1023 /* idx == 0 refers always to NULL */
1024 g_return_val_if_fail (idx > 0 && idx <= meta->tables [table].rows, ""); /*FIXME shouldn't we return NULL here?*/
1026 return meta->tables [table].base + (meta->tables [table].row_size * (idx - 1));
1030 * mono_metadata_locate_token:
1031 * \param meta metadata context
1032 * \param token metadata token
1034 * \returns a pointer to the data in the metadata represented by the
1038 mono_metadata_locate_token (MonoImage *meta, guint32 token)
1040 return mono_metadata_locate (meta, token >> 24, token & 0xffffff);
1044 * mono_metadata_string_heap:
1045 * \param meta metadata context
1046 * \param index index into the string heap.
1047 * \returns an in-memory pointer to the \p index in the string heap.
1050 mono_metadata_string_heap (MonoImage *meta, guint32 index)
1052 g_assert (index < meta->heap_strings.size);
1053 g_return_val_if_fail (index < meta->heap_strings.size, "");
1054 return meta->heap_strings.data + index;
1058 * mono_metadata_user_string:
1059 * \param meta metadata context
1060 * \param index index into the user string heap.
1061 * \returns an in-memory pointer to the \p index in the user string heap (<code>#US</code>).
1064 mono_metadata_user_string (MonoImage *meta, guint32 index)
1066 g_assert (index < meta->heap_us.size);
1067 g_return_val_if_fail (index < meta->heap_us.size, "");
1068 return meta->heap_us.data + index;
1072 * mono_metadata_blob_heap:
1073 * \param meta metadata context
1074 * \param index index into the blob.
1075 * \returns an in-memory pointer to the \p index in the Blob heap.
1078 mono_metadata_blob_heap (MonoImage *meta, guint32 index)
1080 g_assert (index < meta->heap_blob.size);
1081 g_return_val_if_fail (index < meta->heap_blob.size, "");/*FIXME shouldn't we return NULL and check for index == 0?*/
1082 return meta->heap_blob.data + index;
1086 * mono_metadata_guid_heap:
1087 * \param meta metadata context
1088 * \param index index into the guid heap.
1089 * \returns an in-memory pointer to the \p index in the guid heap.
1092 mono_metadata_guid_heap (MonoImage *meta, guint32 index)
1095 index *= 16; /* adjust for guid size and 1-based index */
1096 g_return_val_if_fail (index < meta->heap_guid.size, "");
1097 return meta->heap_guid.data + index;
1100 static const unsigned char *
1101 dword_align (const unsigned char *ptr)
1103 #if SIZEOF_VOID_P == 8
1104 return (const unsigned char *) (((guint64) (ptr + 3)) & ~3);
1106 return (const unsigned char *) (((guint32) (ptr + 3)) & ~3);
1111 * mono_metadata_decode_row:
1112 * \param t table to extract information from.
1113 * \param idx index in table.
1114 * \param res array of \p res_size cols to store the results in
1116 * This decompresses the metadata element \p idx in table \p t
1117 * into the \c guint32 \p res array that has \p res_size elements
1120 mono_metadata_decode_row (const MonoTableInfo *t, int idx, guint32 *res, int res_size)
1122 guint32 bitfield = t->size_bitfield;
1123 int i, count = mono_metadata_table_count (bitfield);
1126 g_assert (idx < t->rows);
1127 g_assert (idx >= 0);
1128 data = t->base + idx * t->row_size;
1130 g_assert (res_size == count);
1132 for (i = 0; i < count; i++) {
1133 int n = mono_metadata_table_size (bitfield, i);
1137 res [i] = *data; break;
1139 res [i] = read16 (data); break;
1141 res [i] = read32 (data); break;
1143 g_assert_not_reached ();
1150 * mono_metadata_decode_row_col:
1151 * \param t table to extract information from.
1152 * \param idx index for row in table.
1153 * \param col column in the row.
1155 * This function returns the value of column \p col from the \p idx
1156 * row in the table \p t .
1159 mono_metadata_decode_row_col (const MonoTableInfo *t, int idx, guint col)
1161 guint32 bitfield = t->size_bitfield;
1163 register const char *data;
1166 g_assert (idx < t->rows);
1167 g_assert (col < mono_metadata_table_count (bitfield));
1168 data = t->base + idx * t->row_size;
1170 n = mono_metadata_table_size (bitfield, 0);
1171 for (i = 0; i < col; ++i) {
1173 n = mono_metadata_table_size (bitfield, i + 1);
1179 return read16 (data);
1181 return read32 (data);
1183 g_assert_not_reached ();
1189 * mono_metadata_decode_blob_size:
1190 * \param ptr pointer to a blob object
1191 * \param rptr the new position of the pointer
1193 * This decodes a compressed size as described by 23.1.4 (a blob or user string object)
1195 * \returns the size of the blob object
1198 mono_metadata_decode_blob_size (const char *xptr, const char **rptr)
1200 const unsigned char *ptr = (const unsigned char *)xptr;
1203 if ((*ptr & 0x80) == 0){
1204 size = ptr [0] & 0x7f;
1206 } else if ((*ptr & 0x40) == 0){
1207 size = ((ptr [0] & 0x3f) << 8) + ptr [1];
1210 size = ((ptr [0] & 0x1f) << 24) +
1222 * mono_metadata_decode_value:
1223 * \param ptr pointer to decode from
1224 * \param rptr the new position of the pointer
1226 * This routine decompresses 32-bit values as specified in the "Blob and
1227 * Signature" section (23.2)
1229 * \returns the decoded value
1232 mono_metadata_decode_value (const char *_ptr, const char **rptr)
1234 const unsigned char *ptr = (const unsigned char *) _ptr;
1235 unsigned char b = *ptr;
1238 if ((b & 0x80) == 0){
1241 } else if ((b & 0x40) == 0){
1242 len = ((b & 0x3f) << 8 | ptr [1]);
1245 len = ((b & 0x1f) << 24) |
1258 * mono_metadata_decode_signed_value:
1259 * \param ptr pointer to decode from
1260 * \param rptr the new position of the pointer
1262 * This routine decompresses 32-bit signed values
1263 * (not specified in the spec)
1265 * \returns the decoded value
1268 mono_metadata_decode_signed_value (const char *ptr, const char **rptr)
1270 guint32 uval = mono_metadata_decode_value (ptr, rptr);
1271 gint32 ival = uval >> 1;
1274 /* ival is a truncated 2's complement negative number. */
1276 /* 6 bits = 7 bits for compressed representation (top bit is '0') - 1 sign bit */
1279 /* 13 bits = 14 bits for compressed representation (top bits are '10') - 1 sign bit */
1280 return ival - 0x2000;
1281 if (ival < 0x10000000)
1282 /* 28 bits = 29 bits for compressed representation (top bits are '110') - 1 sign bit */
1283 return ival - 0x10000000;
1284 g_assert (ival < 0x20000000);
1285 g_warning ("compressed signed value appears to use 29 bits for compressed representation: %x (raw: %8x)", ival, uval);
1286 return ival - 0x20000000;
1290 * mono_metadata_translate_token_index:
1291 * Translates the given 1-based index into the \c Method, \c Field, \c Event, or \c Param tables
1292 * using the \c *Ptr tables in uncompressed metadata, if they are available.
1294 * FIXME: The caller is not forced to call this function, which is error-prone, since
1295 * forgetting to call it would only show up as a bug on uncompressed metadata.
1298 mono_metadata_translate_token_index (MonoImage *image, int table, guint32 idx)
1300 if (!image->uncompressed_metadata)
1304 case MONO_TABLE_METHOD:
1305 if (image->tables [MONO_TABLE_METHOD_POINTER].rows)
1306 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_METHOD_POINTER], idx - 1, MONO_METHOD_POINTER_METHOD);
1309 case MONO_TABLE_FIELD:
1310 if (image->tables [MONO_TABLE_FIELD_POINTER].rows)
1311 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_FIELD_POINTER], idx - 1, MONO_FIELD_POINTER_FIELD);
1314 case MONO_TABLE_EVENT:
1315 if (image->tables [MONO_TABLE_EVENT_POINTER].rows)
1316 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_EVENT_POINTER], idx - 1, MONO_EVENT_POINTER_EVENT);
1319 case MONO_TABLE_PROPERTY:
1320 if (image->tables [MONO_TABLE_PROPERTY_POINTER].rows)
1321 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PROPERTY_POINTER], idx - 1, MONO_PROPERTY_POINTER_PROPERTY);
1324 case MONO_TABLE_PARAM:
1325 if (image->tables [MONO_TABLE_PARAM_POINTER].rows)
1326 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PARAM_POINTER], idx - 1, MONO_PARAM_POINTER_PARAM);
1335 * mono_metadata_decode_table_row:
1337 * Same as \c mono_metadata_decode_row, but takes an \p image + \p table ID pair, and takes
1338 * uncompressed metadata into account, so it should be used to access the
1339 * \c Method, \c Field, \c Param and \c Event tables when the access is made from metadata, i.e.
1340 * \p idx is retrieved from a metadata table, like \c MONO_TYPEDEF_FIELD_LIST.
1343 mono_metadata_decode_table_row (MonoImage *image, int table, int idx, guint32 *res, int res_size)
1345 if (image->uncompressed_metadata)
1346 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1348 mono_metadata_decode_row (&image->tables [table], idx, res, res_size);
1352 * mono_metadata_decode_table_row_col:
1354 * Same as \c mono_metadata_decode_row_col, but takes an \p image + \p table ID pair, and takes
1355 * uncompressed metadata into account, so it should be used to access the
1356 * \c Method, \c Field, \c Param and \c Event tables.
1358 guint32 mono_metadata_decode_table_row_col (MonoImage *image, int table, int idx, guint col)
1360 if (image->uncompressed_metadata)
1361 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1363 return mono_metadata_decode_row_col (&image->tables [table], idx, col);
1367 * mono_metadata_parse_typedef_or_ref:
1368 * \param m a metadata context.
1369 * \param ptr a pointer to an encoded TypedefOrRef in \p m
1370 * \param rptr pointer updated to match the end of the decoded stream
1371 * \returns a token valid in the \p m metadata decoded from
1372 * the compressed representation.
1375 mono_metadata_parse_typedef_or_ref (MonoImage *m, const char *ptr, const char **rptr)
1378 token = mono_metadata_decode_value (ptr, &ptr);
1381 return mono_metadata_token_from_dor (token);
1385 * mono_metadata_parse_custom_mod:
1386 * \param m a metadata context.
1387 * \param dest storage where the info about the custom modifier is stored (may be NULL)
1388 * \param ptr a pointer to (possibly) the start of a custom modifier list
1389 * \param rptr pointer updated to match the end of the decoded stream
1391 * Checks if \p ptr points to a type custom modifier compressed representation.
1393 * \returns TRUE if a custom modifier was found, FALSE if not.
1396 mono_metadata_parse_custom_mod (MonoImage *m, MonoCustomMod *dest, const char *ptr, const char **rptr)
1398 MonoCustomMod local;
1399 if ((*ptr == MONO_TYPE_CMOD_OPT) || (*ptr == MONO_TYPE_CMOD_REQD)) {
1402 dest->required = *ptr == MONO_TYPE_CMOD_REQD ? 1 : 0;
1403 dest->token = mono_metadata_parse_typedef_or_ref (m, ptr + 1, rptr);
1410 * mono_metadata_parse_array_internal:
1411 * @m: a metadata context.
1412 * @transient: whenever to allocate data from the heap
1413 * @ptr: a pointer to an encoded array description.
1414 * @rptr: pointer updated to match the end of the decoded stream
1416 * Decodes the compressed array description found in the metadata @m at @ptr.
1418 * Returns: a #MonoArrayType structure describing the array type
1419 * and dimensions. Memory is allocated from the heap or from the image mempool, depending
1420 * on the value of @transient.
1422 * LOCKING: Acquires the loader lock
1424 static MonoArrayType *
1425 mono_metadata_parse_array_internal (MonoImage *m, MonoGenericContainer *container,
1426 gboolean transient, const char *ptr, const char **rptr, MonoError *error)
1429 MonoArrayType *array;
1432 etype = mono_metadata_parse_type_checked (m, container, 0, FALSE, ptr, &ptr, error); //FIXME this doesn't respect @transient
1436 array = transient ? (MonoArrayType *)g_malloc0 (sizeof (MonoArrayType)) : (MonoArrayType *)mono_image_alloc0 (m, sizeof (MonoArrayType));
1437 array->eklass = mono_class_from_mono_type (etype);
1438 array->rank = mono_metadata_decode_value (ptr, &ptr);
1440 array->numsizes = mono_metadata_decode_value (ptr, &ptr);
1441 if (array->numsizes)
1442 array->sizes = transient ? (int *)g_malloc0 (sizeof (int) * array->numsizes) : (int *)mono_image_alloc0 (m, sizeof (int) * array->numsizes);
1443 for (i = 0; i < array->numsizes; ++i)
1444 array->sizes [i] = mono_metadata_decode_value (ptr, &ptr);
1446 array->numlobounds = mono_metadata_decode_value (ptr, &ptr);
1447 if (array->numlobounds)
1448 array->lobounds = transient ? (int *)g_malloc0 (sizeof (int) * array->numlobounds) : (int *)mono_image_alloc0 (m, sizeof (int) * array->numlobounds);
1449 for (i = 0; i < array->numlobounds; ++i)
1450 array->lobounds [i] = mono_metadata_decode_signed_value (ptr, &ptr);
1458 * mono_metadata_parse_array:
1461 mono_metadata_parse_array (MonoImage *m, const char *ptr, const char **rptr)
1464 MonoArrayType *ret = mono_metadata_parse_array_internal (m, NULL, FALSE, ptr, rptr, &error);
1465 mono_error_cleanup (&error);
1471 * mono_metadata_free_array:
1472 * \param array array description
1474 * Frees the array description returned from \c mono_metadata_parse_array.
1477 mono_metadata_free_array (MonoArrayType *array)
1479 g_free (array->sizes);
1480 g_free (array->lobounds);
1485 * need to add common field and param attributes combinations:
1488 * public static literal
1491 * private static literal
1493 static const MonoType
1495 /* data, attrs, type, nmods, byref, pinned */
1496 {{NULL}, 0, MONO_TYPE_VOID, 0, 0, 0},
1497 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 0, 0},
1498 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 1, 0},
1499 {{NULL}, 0, MONO_TYPE_CHAR, 0, 0, 0},
1500 {{NULL}, 0, MONO_TYPE_CHAR, 0, 1, 0},
1501 {{NULL}, 0, MONO_TYPE_I1, 0, 0, 0},
1502 {{NULL}, 0, MONO_TYPE_I1, 0, 1, 0},
1503 {{NULL}, 0, MONO_TYPE_U1, 0, 0, 0},
1504 {{NULL}, 0, MONO_TYPE_U1, 0, 1, 0},
1505 {{NULL}, 0, MONO_TYPE_I2, 0, 0, 0},
1506 {{NULL}, 0, MONO_TYPE_I2, 0, 1, 0},
1507 {{NULL}, 0, MONO_TYPE_U2, 0, 0, 0},
1508 {{NULL}, 0, MONO_TYPE_U2, 0, 1, 0},
1509 {{NULL}, 0, MONO_TYPE_I4, 0, 0, 0},
1510 {{NULL}, 0, MONO_TYPE_I4, 0, 1, 0},
1511 {{NULL}, 0, MONO_TYPE_U4, 0, 0, 0},
1512 {{NULL}, 0, MONO_TYPE_U4, 0, 1, 0},
1513 {{NULL}, 0, MONO_TYPE_I8, 0, 0, 0},
1514 {{NULL}, 0, MONO_TYPE_I8, 0, 1, 0},
1515 {{NULL}, 0, MONO_TYPE_U8, 0, 0, 0},
1516 {{NULL}, 0, MONO_TYPE_U8, 0, 1, 0},
1517 {{NULL}, 0, MONO_TYPE_R4, 0, 0, 0},
1518 {{NULL}, 0, MONO_TYPE_R4, 0, 1, 0},
1519 {{NULL}, 0, MONO_TYPE_R8, 0, 0, 0},
1520 {{NULL}, 0, MONO_TYPE_R8, 0, 1, 0},
1521 {{NULL}, 0, MONO_TYPE_STRING, 0, 0, 0},
1522 {{NULL}, 0, MONO_TYPE_STRING, 0, 1, 0},
1523 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 0, 0},
1524 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 1, 0},
1525 {{NULL}, 0, MONO_TYPE_TYPEDBYREF, 0, 0, 0},
1526 {{NULL}, 0, MONO_TYPE_I, 0, 0, 0},
1527 {{NULL}, 0, MONO_TYPE_I, 0, 1, 0},
1528 {{NULL}, 0, MONO_TYPE_U, 0, 0, 0},
1529 {{NULL}, 0, MONO_TYPE_U, 0, 1, 0},
1532 #define NBUILTIN_TYPES() (sizeof (builtin_types) / sizeof (builtin_types [0]))
1534 static GHashTable *type_cache = NULL;
1535 static int next_generic_inst_id = 0;
1537 /* Protected by image_sets_mutex */
1538 static MonoImageSet *mscorlib_image_set;
1539 /* Protected by image_sets_mutex */
1540 static GPtrArray *image_sets;
1541 static mono_mutex_t image_sets_mutex;
1543 static guint mono_generic_class_hash (gconstpointer data);
1546 * MonoTypes with modifies are never cached, so we never check or use that field.
1549 mono_type_hash (gconstpointer data)
1551 const MonoType *type = (const MonoType *) data;
1552 if (type->type == MONO_TYPE_GENERICINST)
1553 return mono_generic_class_hash (type->data.generic_class);
1555 return type->type | (type->byref << 8) | (type->attrs << 9);
1559 mono_type_equal (gconstpointer ka, gconstpointer kb)
1561 const MonoType *a = (const MonoType *) ka;
1562 const MonoType *b = (const MonoType *) kb;
1564 if (a->type != b->type || a->byref != b->byref || a->attrs != b->attrs || a->pinned != b->pinned)
1566 /* need other checks */
1571 mono_metadata_generic_inst_hash (gconstpointer data)
1573 const MonoGenericInst *ginst = (const MonoGenericInst *) data;
1577 for (i = 0; i < ginst->type_argc; ++i) {
1579 hash += mono_metadata_type_hash (ginst->type_argv [i]);
1582 return hash ^ (ginst->is_open << 8);
1586 mono_generic_inst_equal_full (const MonoGenericInst *a, const MonoGenericInst *b, gboolean signature_only)
1590 // An optimization: if the ids of two insts are the same, we know they are the same inst and don't check contents.
1591 // Furthermore, because we perform early de-duping, if the ids differ, we know the contents differ.
1592 #ifndef MONO_SMALL_CONFIG // Optimization does not work in MONO_SMALL_CONFIG: There are no IDs
1593 if (a->id && b->id) { // "id 0" means "object has no id"-- de-duping hasn't been performed yet, must check contents.
1596 // In signature-comparison mode id equality implies object equality, but this is not true for inequality.
1597 // Two separate objects could have signature-equavalent contents.
1598 if (!signature_only)
1603 if (a->is_open != b->is_open || a->type_argc != b->type_argc)
1605 for (i = 0; i < a->type_argc; ++i) {
1606 if (!do_mono_metadata_type_equal (a->type_argv [i], b->type_argv [i], signature_only))
1613 mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb)
1615 const MonoGenericInst *a = (const MonoGenericInst *) ka;
1616 const MonoGenericInst *b = (const MonoGenericInst *) kb;
1618 return mono_generic_inst_equal_full (a, b, FALSE);
1622 mono_generic_class_hash (gconstpointer data)
1624 const MonoGenericClass *gclass = (const MonoGenericClass *) data;
1625 guint hash = mono_metadata_type_hash (&gclass->container_class->byval_arg);
1628 hash += gclass->is_tb_open;
1629 hash += mono_metadata_generic_context_hash (&gclass->context);
1635 mono_generic_class_equal (gconstpointer ka, gconstpointer kb)
1637 const MonoGenericClass *a = (const MonoGenericClass *) ka;
1638 const MonoGenericClass *b = (const MonoGenericClass *) kb;
1640 return _mono_metadata_generic_class_equal (a, b, FALSE);
1644 * mono_metadata_init:
1646 * Initialize the global variables of this module.
1647 * This is a Mono runtime internal function.
1650 mono_metadata_init (void)
1654 type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
1656 for (i = 0; i < NBUILTIN_TYPES (); ++i)
1657 g_hash_table_insert (type_cache, (gpointer) &builtin_types [i], (gpointer) &builtin_types [i]);
1659 mono_os_mutex_init_recursive (&image_sets_mutex);
1661 mono_counters_register ("ImgSet Cache Hit", MONO_COUNTER_METADATA | MONO_COUNTER_INT, &img_set_cache_hit);
1662 mono_counters_register ("ImgSet Cache Miss", MONO_COUNTER_METADATA | MONO_COUNTER_INT, &img_set_cache_miss);
1663 mono_counters_register ("ImgSet Count", MONO_COUNTER_METADATA | MONO_COUNTER_INT, &img_set_count);
1667 * mono_metadata_cleanup:
1669 * Free all resources used by this module.
1670 * This is a Mono runtime internal function.
1673 mono_metadata_cleanup (void)
1675 g_hash_table_destroy (type_cache);
1677 g_ptr_array_free (image_sets, TRUE);
1679 mono_os_mutex_destroy (&image_sets_mutex);
1683 * mono_metadata_parse_type:
1684 * \param m metadata context
1685 * \param mode kind of type that may be found at \p ptr
1686 * \param opt_attrs optional attributes to store in the returned type
1687 * \param ptr pointer to the type representation
1688 * \param rptr pointer updated to match the end of the decoded stream
1689 * \param transient whenever to allocate the result from the heap or from a mempool
1691 * Decode a compressed type description found at \p ptr in \p m .
1692 * \p mode can be one of \c MONO_PARSE_MOD_TYPE, \c MONO_PARSE_PARAM, \c MONO_PARSE_RET,
1693 * \c MONO_PARSE_FIELD, \c MONO_PARSE_LOCAL, \c MONO_PARSE_TYPE.
1694 * This function can be used to decode type descriptions in method signatures,
1695 * field signatures, locals signatures etc.
1697 * To parse a generic type, \c generic_container points to the current class'es
1698 * (the \c generic_container field in the <code>MonoClass</code>) or the current generic method's
1699 * (stored in <code>image->property_hash</code>) generic container.
1700 * When we encounter a \c MONO_TYPE_VAR or \c MONO_TYPE_MVAR, it's looked up in
1701 * this \c MonoGenericContainer.
1703 * LOCKING: Acquires the loader lock.
1705 * \returns a \c MonoType structure representing the decoded type.
1708 mono_metadata_parse_type_internal (MonoImage *m, MonoGenericContainer *container,
1709 short opt_attrs, gboolean transient, const char *ptr, const char **rptr, MonoError *error)
1711 MonoType *type, *cached;
1713 gboolean byref = FALSE;
1714 gboolean pinned = FALSE;
1715 const char *tmp_ptr;
1716 int count = 0; // Number of mod arguments
1722 * According to the spec, custom modifiers should come before the byref
1723 * flag, but the IL produced by ilasm from the following signature:
1724 * object modopt(...) &
1725 * starts with a byref flag, followed by the modifiers. (bug #49802)
1726 * Also, this type seems to be different from 'object & modopt(...)'. Maybe
1727 * it would be better to treat byref as real type constructor instead of
1729 * Also, pinned should come before anything else, but some MSV++ produced
1730 * assemblies violate this (#bug 61990).
1733 /* Count the modifiers first */
1738 case MONO_TYPE_PINNED:
1739 case MONO_TYPE_BYREF:
1742 case MONO_TYPE_CMOD_REQD:
1743 case MONO_TYPE_CMOD_OPT:
1745 mono_metadata_parse_custom_mod (m, NULL, tmp_ptr, &tmp_ptr);
1752 if (count) { // There are mods, so the MonoType will be of nonstandard size.
1755 size = MONO_SIZEOF_TYPE + ((gint32)count) * sizeof (MonoCustomMod);
1756 type = transient ? (MonoType *)g_malloc0 (size) : (MonoType *)mono_image_alloc0 (m, size);
1757 type->num_mods = count;
1759 mono_error_set_bad_image (error, m, "Invalid type with more than 64 modifiers");
1762 } else { // The type is of standard size, so we can allocate it on the stack.
1764 memset (type, 0, MONO_SIZEOF_TYPE);
1767 /* Iterate again, but now parse pinned, byref and custom modifiers */
1772 case MONO_TYPE_PINNED:
1776 case MONO_TYPE_BYREF:
1780 case MONO_TYPE_CMOD_REQD:
1781 case MONO_TYPE_CMOD_OPT:
1782 mono_metadata_parse_custom_mod (m, &(type->modifiers [count]), ptr, &ptr);
1790 type->attrs = opt_attrs;
1791 type->byref = byref;
1792 type->pinned = pinned ? 1 : 0;
1794 if (!do_mono_metadata_parse_type (type, m, container, transient, ptr, &ptr, error))
1800 // Possibly we can return an already-allocated type instead of the one we decoded
1801 if (!type->num_mods && !transient) {
1802 /* no need to free type here, because it is on the stack */
1803 if ((type->type == MONO_TYPE_CLASS || type->type == MONO_TYPE_VALUETYPE) && !type->pinned && !type->attrs) {
1804 MonoType *ret = type->byref ? &type->data.klass->this_arg : &type->data.klass->byval_arg;
1806 /* Consider the case:
1808 class Foo<T> { class Bar {} }
1809 class Test : Foo<Test>.Bar {}
1811 When Foo<Test> is being expanded, 'Test' isn't yet initialized. It's actually in
1812 a really pristine state: it doesn't even know whether 'Test' is a reference or a value type.
1814 We ensure that the MonoClass is in a state that we can canonicalize to:
1816 klass->byval_arg.data.klass == klass
1817 klass->this_arg.data.klass == klass
1819 If we can't canonicalize 'type', it doesn't matter, since later users of 'type' will do it.
1821 LOCKING: even though we don't explicitly hold a lock, in the problematic case 'ret' is a field
1822 of a MonoClass which currently holds the loader lock. 'type' is local.
1824 if (ret->data.klass == type->data.klass) {
1828 /* No need to use locking since nobody is modifying the hash table */
1829 if ((cached = (MonoType *)g_hash_table_lookup (type_cache, type))) {
1834 /* printf ("%x %x %c %s\n", type->attrs, type->num_mods, type->pinned ? 'p' : ' ', mono_type_full_name (type)); */
1836 if (type == &stype) { // Type was allocated on the stack, so we need to copy it to safety
1837 type = transient ? (MonoType *)g_malloc (MONO_SIZEOF_TYPE) : (MonoType *)mono_image_alloc (m, MONO_SIZEOF_TYPE);
1838 memcpy (type, &stype, MONO_SIZEOF_TYPE);
1845 mono_metadata_parse_type_checked (MonoImage *m, MonoGenericContainer *container,
1846 short opt_attrs, gboolean transient, const char *ptr, const char **rptr, MonoError *error)
1848 return mono_metadata_parse_type_internal (m, container, opt_attrs, transient, ptr, rptr, error);
1852 * LOCKING: Acquires the loader lock.
1855 mono_metadata_parse_type (MonoImage *m, MonoParseTypeMode mode, short opt_attrs,
1856 const char *ptr, const char **rptr)
1859 MonoType * type = mono_metadata_parse_type_internal (m, NULL, opt_attrs, FALSE, ptr, rptr, &error);
1860 mono_error_cleanup (&error);
1865 mono_metadata_method_has_param_attrs (MonoImage *m, int def)
1867 MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
1868 MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
1869 guint lastp, i, param_index = mono_metadata_decode_row_col (methodt, def - 1, MONO_METHOD_PARAMLIST);
1871 if (def < methodt->rows)
1872 lastp = mono_metadata_decode_row_col (methodt, def, MONO_METHOD_PARAMLIST);
1874 lastp = m->tables [MONO_TABLE_PARAM].rows + 1;
1876 for (i = param_index; i < lastp; ++i) {
1877 guint32 flags = mono_metadata_decode_row_col (paramt, i - 1, MONO_PARAM_FLAGS);
1886 * mono_metadata_get_param_attrs:
1888 * @m The image to loader parameter attributes from
1889 * @def method def token (one based)
1890 * @param_count number of params to decode including the return value
1892 * Return the parameter attributes for the method whose MethodDef index is DEF. The
1893 * returned memory needs to be freed by the caller. If all the param attributes are
1894 * 0, then NULL is returned.
1897 mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count)
1899 MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
1900 MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
1901 guint32 cols [MONO_PARAM_SIZE];
1902 guint lastp, i, param_index = mono_metadata_decode_row_col (methodt, def - 1, MONO_METHOD_PARAMLIST);
1905 if (def < methodt->rows)
1906 lastp = mono_metadata_decode_row_col (methodt, def, MONO_METHOD_PARAMLIST);
1908 lastp = paramt->rows + 1;
1910 for (i = param_index; i < lastp; ++i) {
1911 mono_metadata_decode_row (paramt, i - 1, cols, MONO_PARAM_SIZE);
1912 if (cols [MONO_PARAM_FLAGS]) {
1914 pattrs = g_new0 (int, param_count);
1915 /* at runtime we just ignore this kind of malformed file:
1916 * the verifier can signal the error to the user
1918 if (cols [MONO_PARAM_SEQUENCE] >= param_count)
1920 pattrs [cols [MONO_PARAM_SEQUENCE]] = cols [MONO_PARAM_FLAGS];
1929 * mono_metadata_parse_signature:
1930 * \param image metadata context
1931 * \param token metadata token
1933 * Decode a method signature stored in the \c StandAloneSig table
1935 * \returns a \c MonoMethodSignature describing the signature.
1937 MonoMethodSignature*
1938 mono_metadata_parse_signature (MonoImage *image, guint32 token)
1941 MonoMethodSignature *ret;
1942 ret = mono_metadata_parse_signature_checked (image, token, &error);
1943 mono_error_cleanup (&error);
1948 * mono_metadata_parse_signature_checked:
1949 * @image: metadata context
1950 * @token: metadata token
1951 * @error: set on error
1953 * Decode a method signature stored in the STANDALONESIG table
1955 * Returns: a MonoMethodSignature describing the signature. On failure
1956 * returns NULL and sets @error.
1958 MonoMethodSignature*
1959 mono_metadata_parse_signature_checked (MonoImage *image, guint32 token, MonoError *error)
1963 MonoTableInfo *tables = image->tables;
1964 guint32 idx = mono_metadata_token_index (token);
1968 if (image_is_dynamic (image)) {
1969 return (MonoMethodSignature *)mono_lookup_dynamic_token (image, token, NULL, error);
1972 g_assert (mono_metadata_token_table(token) == MONO_TABLE_STANDALONESIG);
1974 sig = mono_metadata_decode_row_col (&tables [MONO_TABLE_STANDALONESIG], idx - 1, 0);
1976 ptr = mono_metadata_blob_heap (image, sig);
1977 mono_metadata_decode_blob_size (ptr, &ptr);
1979 return mono_metadata_parse_method_signature_full (image, NULL, 0, ptr, NULL, error);
1983 * mono_metadata_signature_alloc:
1984 * \param image metadata context
1985 * \param nparams number of parameters in the signature
1987 * Allocate a \c MonoMethodSignature structure with the specified number of params.
1988 * The return type and the params types need to be filled later.
1989 * This is a Mono runtime internal function.
1991 * LOCKING: Assumes the loader lock is held.
1993 * \returns the new \c MonoMethodSignature structure.
1995 MonoMethodSignature*
1996 mono_metadata_signature_alloc (MonoImage *m, guint32 nparams)
1998 MonoMethodSignature *sig;
2000 sig = (MonoMethodSignature *)mono_image_alloc0 (m, MONO_SIZEOF_METHOD_SIGNATURE + ((gint32)nparams) * sizeof (MonoType*));
2001 sig->param_count = nparams;
2002 sig->sentinelpos = -1;
2007 static MonoMethodSignature*
2008 mono_metadata_signature_dup_internal_with_padding (MonoImage *image, MonoMemPool *mp, MonoMethodSignature *sig, size_t padding)
2010 int sigsize, sig_header_size;
2011 MonoMethodSignature *ret;
2012 sigsize = sig_header_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *) + padding;
2014 sigsize += MONO_SIZEOF_TYPE;
2017 ret = (MonoMethodSignature *)mono_image_alloc (image, sigsize);
2019 ret = (MonoMethodSignature *)mono_mempool_alloc (mp, sigsize);
2021 ret = (MonoMethodSignature *)g_malloc (sigsize);
2024 memcpy (ret, sig, sig_header_size - padding);
2026 // Copy return value because of ownership semantics.
2028 // Danger! Do not alter padding use without changing the dup_add_this below
2029 intptr_t end_of_header = (intptr_t)( (char*)(ret) + sig_header_size);
2030 ret->ret = (MonoType *)end_of_header;
2031 memcpy (ret->ret, sig->ret, MONO_SIZEOF_TYPE);
2037 static MonoMethodSignature*
2038 mono_metadata_signature_dup_internal (MonoImage *image, MonoMemPool *mp, MonoMethodSignature *sig)
2040 return mono_metadata_signature_dup_internal_with_padding (image, mp, sig, 0);
2043 * signature_dup_add_this:
2045 * Make a copy of @sig, adding an explicit this argument.
2047 MonoMethodSignature*
2048 mono_metadata_signature_dup_add_this (MonoImage *image, MonoMethodSignature *sig, MonoClass *klass)
2050 MonoMethodSignature *ret;
2051 ret = mono_metadata_signature_dup_internal_with_padding (image, NULL, sig, sizeof (MonoType *));
2053 ret->param_count = sig->param_count + 1;
2054 ret->hasthis = FALSE;
2056 for (int i = sig->param_count - 1; i >= 0; i --)
2057 ret->params [i + 1] = sig->params [i];
2058 ret->params [0] = klass->valuetype ? &klass->this_arg : &klass->byval_arg;
2060 for (int i = sig->param_count - 1; i >= 0; i --)
2061 g_assert(ret->params [i + 1]->type == sig->params [i]->type && ret->params [i+1]->type != MONO_TYPE_END);
2062 g_assert (ret->ret->type == sig->ret->type && ret->ret->type != MONO_TYPE_END);
2069 MonoMethodSignature*
2070 mono_metadata_signature_dup_full (MonoImage *image, MonoMethodSignature *sig)
2072 MonoMethodSignature *ret = mono_metadata_signature_dup_internal (image, NULL, sig);
2074 for (int i = 0 ; i < sig->param_count; i ++)
2075 g_assert(ret->params [i]->type == sig->params [i]->type);
2076 g_assert (ret->ret->type == sig->ret->type);
2081 /*The mempool is accessed without synchronization*/
2082 MonoMethodSignature*
2083 mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig)
2085 return mono_metadata_signature_dup_internal (NULL, mp, sig);
2089 * mono_metadata_signature_dup:
2090 * \param sig method signature
2092 * Duplicate an existing \c MonoMethodSignature so it can be modified.
2093 * This is a Mono runtime internal function.
2095 * \returns the new \c MonoMethodSignature structure.
2097 MonoMethodSignature*
2098 mono_metadata_signature_dup (MonoMethodSignature *sig)
2100 return mono_metadata_signature_dup_full (NULL, sig);
2104 * mono_metadata_signature_size:
2106 * Return the amount of memory allocated to SIG.
2109 mono_metadata_signature_size (MonoMethodSignature *sig)
2111 return MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
2115 * mono_metadata_parse_method_signature:
2116 * @m: metadata context
2117 * @generic_container: generics container
2118 * @def: the MethodDef index or 0 for Ref signatures.
2119 * @ptr: pointer to the signature metadata representation
2120 * @rptr: pointer updated to match the end of the decoded stream
2122 * Decode a method signature stored at @ptr.
2123 * This is a Mono runtime internal function.
2125 * LOCKING: Assumes the loader lock is held.
2127 * Returns: a MonoMethodSignature describing the signature.
2129 MonoMethodSignature *
2130 mono_metadata_parse_method_signature_full (MonoImage *m, MonoGenericContainer *container,
2131 int def, const char *ptr, const char **rptr, MonoError *error)
2133 MonoMethodSignature *method;
2134 int i, *pattrs = NULL;
2135 guint32 hasthis = 0, explicit_this = 0, call_convention, param_count;
2136 guint32 gen_param_count = 0;
2137 gboolean is_open = FALSE;
2142 gen_param_count = 1;
2147 call_convention = *ptr & 0x0F;
2149 if (gen_param_count)
2150 gen_param_count = mono_metadata_decode_value (ptr, &ptr);
2151 param_count = mono_metadata_decode_value (ptr, &ptr);
2154 pattrs = mono_metadata_get_param_attrs (m, def, param_count + 1); /*Must be + 1 since signature's param count doesn't account for the return value */
2156 method = mono_metadata_signature_alloc (m, param_count);
2157 method->hasthis = hasthis;
2158 method->explicit_this = explicit_this;
2159 method->call_convention = call_convention;
2160 method->generic_param_count = gen_param_count;
2162 if (call_convention != 0xa) {
2163 method->ret = mono_metadata_parse_type_checked (m, container, pattrs ? pattrs [0] : 0, FALSE, ptr, &ptr, error);
2165 mono_metadata_free_method_signature (method);
2169 is_open = mono_class_is_open_constructed_type (method->ret);
2172 for (i = 0; i < method->param_count; ++i) {
2173 if (*ptr == MONO_TYPE_SENTINEL) {
2174 if (method->call_convention != MONO_CALL_VARARG || def) {
2175 mono_error_set_bad_image (error, m, "Found sentinel for methoddef or no vararg");
2179 if (method->sentinelpos >= 0) {
2180 mono_error_set_bad_image (error, m, "Found sentinel twice in the same signature.");
2184 method->sentinelpos = i;
2187 method->params [i] = mono_metadata_parse_type_checked (m, container, pattrs ? pattrs [i+1] : 0, FALSE, ptr, &ptr, error);
2188 if (!method->params [i]) {
2189 mono_metadata_free_method_signature (method);
2194 is_open = mono_class_is_open_constructed_type (method->params [i]);
2197 /* The sentinel could be missing if the caller does not pass any additional arguments */
2198 if (!def && method->call_convention == MONO_CALL_VARARG && method->sentinelpos < 0)
2199 method->sentinelpos = method->param_count;
2201 method->has_type_parameters = is_open;
2203 if (def && (method->call_convention == MONO_CALL_VARARG))
2204 method->sentinelpos = method->param_count;
2211 * Add signature to a cache and increase ref count...
2218 * mono_metadata_parse_method_signature:
2219 * \param m metadata context
2220 * \param def the \c MethodDef index or 0 for \c Ref signatures.
2221 * \param ptr pointer to the signature metadata representation
2222 * \param rptr pointer updated to match the end of the decoded stream
2224 * Decode a method signature stored at \p ptr.
2225 * This is a Mono runtime internal function.
2227 * LOCKING: Assumes the loader lock is held.
2229 * \returns a \c MonoMethodSignature describing the signature.
2231 MonoMethodSignature *
2232 mono_metadata_parse_method_signature (MonoImage *m, int def, const char *ptr, const char **rptr)
2235 * This function MUST NOT be called by runtime code as it does error handling incorrectly.
2236 * Use mono_metadata_parse_method_signature_full instead.
2237 * It's ok to asser on failure as we no longer use it.
2240 MonoMethodSignature *ret;
2241 ret = mono_metadata_parse_method_signature_full (m, NULL, def, ptr, rptr, &error);
2242 g_assert (mono_error_ok (&error));
2248 * mono_metadata_free_method_signature:
2249 * \param sig signature to destroy
2251 * Free the memory allocated in the signature \p sig.
2252 * This method needs to be robust and work also on partially-built
2253 * signatures, so it does extra checks.
2256 mono_metadata_free_method_signature (MonoMethodSignature *sig)
2258 /* Everything is allocated from mempools */
2262 mono_metadata_free_type (sig->ret);
2263 for (i = 0; i < sig->param_count; ++i) {
2264 if (sig->params [i])
2265 mono_metadata_free_type (sig->params [i]);
2271 mono_metadata_free_inflated_signature (MonoMethodSignature *sig)
2275 /* Allocated in inflate_generic_signature () */
2277 mono_metadata_free_type (sig->ret);
2278 for (i = 0; i < sig->param_count; ++i) {
2279 if (sig->params [i])
2280 mono_metadata_free_type (sig->params [i]);
2286 inflated_method_equal (gconstpointer a, gconstpointer b)
2288 const MonoMethodInflated *ma = (const MonoMethodInflated *)a;
2289 const MonoMethodInflated *mb = (const MonoMethodInflated *)b;
2290 if (ma->declaring != mb->declaring)
2292 return mono_metadata_generic_context_equal (&ma->context, &mb->context);
2296 inflated_method_hash (gconstpointer a)
2298 const MonoMethodInflated *ma = (const MonoMethodInflated *)a;
2299 return (mono_metadata_generic_context_hash (&ma->context) ^ mono_aligned_addr_hash (ma->declaring));
2303 inflated_signature_equal (gconstpointer a, gconstpointer b)
2305 const MonoInflatedMethodSignature *sig1 = (const MonoInflatedMethodSignature *)a;
2306 const MonoInflatedMethodSignature *sig2 = (const MonoInflatedMethodSignature *)b;
2308 /* sig->sig is assumed to be canonized */
2309 if (sig1->sig != sig2->sig)
2311 /* The generic instances are canonized */
2312 return mono_metadata_generic_context_equal (&sig1->context, &sig2->context);
2316 inflated_signature_hash (gconstpointer a)
2318 const MonoInflatedMethodSignature *sig = (const MonoInflatedMethodSignature *)a;
2320 /* sig->sig is assumed to be canonized */
2321 return mono_metadata_generic_context_hash (&sig->context) ^ mono_aligned_addr_hash (sig->sig);
2325 dump_ginst (MonoGenericInst *ginst)
2330 g_print ("Ginst: <");
2331 for (i = 0; i < ginst->type_argc; ++i) {
2334 name = mono_type_get_name (ginst->type_argv [i]);
2335 g_print ("%s", name);
2341 static gboolean type_in_image (MonoType *type, MonoImage *image);
2344 signature_in_image (MonoMethodSignature *sig, MonoImage *image)
2346 gpointer iter = NULL;
2349 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2350 if (type_in_image (p, image))
2353 return type_in_image (mono_signature_get_return_type (sig), image);
2357 ginst_in_image (MonoGenericInst *ginst, MonoImage *image)
2361 for (i = 0; i < ginst->type_argc; ++i) {
2362 if (type_in_image (ginst->type_argv [i], image))
2370 gclass_in_image (MonoGenericClass *gclass, MonoImage *image)
2372 return gclass->container_class->image == image ||
2373 ginst_in_image (gclass->context.class_inst, image);
2377 type_in_image (MonoType *type, MonoImage *image)
2380 switch (type->type) {
2381 case MONO_TYPE_GENERICINST:
2382 return gclass_in_image (type->data.generic_class, image);
2384 type = type->data.type;
2386 case MONO_TYPE_SZARRAY:
2387 type = &type->data.klass->byval_arg;
2389 case MONO_TYPE_ARRAY:
2390 type = &type->data.array->eklass->byval_arg;
2392 case MONO_TYPE_FNPTR:
2393 return signature_in_image (type->data.method, image);
2395 case MONO_TYPE_MVAR:
2396 return image == get_image_for_generic_param (type->data.generic_param);
2398 /* At this point, we should've avoided all potential allocations in mono_class_from_mono_type () */
2399 return image == mono_class_from_mono_type (type)->image;
2404 image_sets_lock (void)
2406 mono_os_mutex_lock (&image_sets_mutex);
2410 image_sets_unlock (void)
2412 mono_os_mutex_unlock (&image_sets_mutex);
2416 compare_pointers (const void *a, const void *b)
2418 return (size_t)a - (size_t)b;
2422 #define HASH_TABLE_SIZE 1103
2423 static MonoImageSet *img_set_cache [HASH_TABLE_SIZE];
2426 mix_hash (uintptr_t source)
2428 unsigned int hash = source;
2431 hash = (((hash * 215497) >> 16) ^ ((hash * 1823231) + hash));
2433 // Mix in highest bits on 64-bit systems only
2434 if (sizeof (source) > 4)
2435 hash = hash ^ (source >> 32);
2441 hash_images (MonoImage **images, int nimages)
2445 for (i = 0; i < nimages; ++i)
2446 res += mix_hash ((size_t)images [i]);
2452 compare_img_set (MonoImageSet *set, MonoImage **images, int nimages)
2456 if (set->nimages != nimages)
2459 for (j = 0; j < nimages; ++j) {
2460 for (k = 0; k < nimages; ++k)
2461 if (set->images [k] == images [j])
2462 break; // Break on match
2464 // If we iterated all the way through set->images, images[j] was *not* found.
2466 break; // Break on "image not found"
2469 // If we iterated all the way through images without breaking, all items in images were found in set->images
2470 return j == nimages;
2474 static MonoImageSet*
2475 img_set_cache_get (MonoImage **images, int nimages)
2477 guint32 hash_code = hash_images (images, nimages);
2478 int index = hash_code % HASH_TABLE_SIZE;
2479 MonoImageSet *img = img_set_cache [index];
2480 if (!img || !compare_img_set (img, images, nimages)) {
2481 ++img_set_cache_miss;
2484 ++img_set_cache_hit;
2489 img_set_cache_add (MonoImageSet *set)
2491 guint32 hash_code = hash_images (set->images, set->nimages);
2492 int index = hash_code % HASH_TABLE_SIZE;
2493 img_set_cache [index] = set;
2497 img_set_cache_remove (MonoImageSet *is)
2499 guint32 hash_code = hash_images (is->images, is->nimages);
2500 int index = hash_code % HASH_TABLE_SIZE;
2501 if (img_set_cache [index] == is)
2502 img_set_cache [index] = NULL;
2507 * Return a MonoImageSet representing the set of images in IMAGES.
2509 static MonoImageSet*
2510 get_image_set (MonoImage **images, int nimages)
2516 /* Common case: Image set contains corlib only. If we've seen that case before, we cached the set. */
2517 if (nimages == 1 && images [0] == mono_defaults.corlib && mscorlib_image_set)
2518 return mscorlib_image_set;
2520 /* Happens with empty generic instances */
2521 // FIXME: Is corlib the correct thing to return here? If so, why? This may be an artifact of generic instances previously defaulting to allocating from corlib.
2523 return mscorlib_image_set;
2525 set = img_set_cache_get (images, nimages);
2532 image_sets = g_ptr_array_new ();
2534 // Before we go on, we should check to see whether a MonoImageSet with these images already exists.
2535 // We can search the referred-by imagesets of any one of our images to do this. Arbitrarily pick one here:
2536 if (images [0] == mono_defaults.corlib && nimages > 1)
2537 l = images [1]->image_sets; // Prefer not to search the imagesets of corlib-- that will be a long list.
2539 l = images [0]->image_sets;
2542 while (l) // Iterate over selected list, looking for an imageset with members equal to our target one
2544 set = (MonoImageSet *)l->data;
2546 if (set->nimages == nimages) { // Member count differs, this can't be it
2547 // Compare all members to all members-- order might be different
2548 for (j = 0; j < nimages; ++j) {
2549 for (k = 0; k < nimages; ++k)
2550 if (set->images [k] == images [j])
2551 break; // Break on match
2553 // If we iterated all the way through set->images, images[j] was *not* found.
2555 break; // Break on "image not found"
2558 // If we iterated all the way through images without breaking, all items in images were found in set->images
2560 // Break on "found a set with equal members".
2561 // This happens in case of a hash collision with a previously cached set.
2569 // If we iterated all the way through l without breaking, the imageset does not already exist and we shuold create it
2571 set = g_new0 (MonoImageSet, 1);
2572 set->nimages = nimages;
2573 set->images = g_new0 (MonoImage*, nimages);
2574 mono_os_mutex_init_recursive (&set->lock);
2575 for (i = 0; i < nimages; ++i)
2576 set->images [i] = images [i];
2577 set->gclass_cache = mono_conc_hashtable_new_full (mono_generic_class_hash, mono_generic_class_equal, NULL, (GDestroyNotify)free_generic_class);
2578 set->ginst_cache = g_hash_table_new_full (mono_metadata_generic_inst_hash, mono_metadata_generic_inst_equal, NULL, (GDestroyNotify)free_generic_inst);
2579 set->gmethod_cache = g_hash_table_new_full (inflated_method_hash, inflated_method_equal, NULL, (GDestroyNotify)free_inflated_method);
2580 set->gsignature_cache = g_hash_table_new_full (inflated_signature_hash, inflated_signature_equal, NULL, (GDestroyNotify)free_inflated_signature);
2582 for (i = 0; i < nimages; ++i)
2583 set->images [i]->image_sets = g_slist_prepend (set->images [i]->image_sets, set);
2585 g_ptr_array_add (image_sets, set);
2589 /* Cache the set. If there was a cache collision, the previously cached value will be replaced. */
2590 img_set_cache_add (set);
2592 if (nimages == 1 && images [0] == mono_defaults.corlib) {
2593 mono_memory_barrier ();
2594 mscorlib_image_set = set;
2597 image_sets_unlock ();
2603 delete_image_set (MonoImageSet *set)
2607 mono_conc_hashtable_destroy (set->gclass_cache);
2608 g_hash_table_destroy (set->ginst_cache);
2609 g_hash_table_destroy (set->gmethod_cache);
2610 g_hash_table_destroy (set->gsignature_cache);
2612 mono_wrapper_caches_free (&set->wrapper_caches);
2616 for (i = 0; i < set->nimages; ++i)
2617 set->images [i]->image_sets = g_slist_remove (set->images [i]->image_sets, set);
2619 g_ptr_array_remove (image_sets, set);
2621 image_sets_unlock ();
2623 img_set_cache_remove (set);
2626 mono_mempool_destroy (set->mempool);
2627 g_free (set->images);
2628 mono_os_mutex_destroy (&set->lock);
2633 mono_image_set_lock (MonoImageSet *set)
2635 mono_os_mutex_lock (&set->lock);
2639 mono_image_set_unlock (MonoImageSet *set)
2641 mono_os_mutex_unlock (&set->lock);
2645 mono_image_set_alloc (MonoImageSet *set, guint size)
2649 mono_image_set_lock (set);
2651 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2652 res = mono_mempool_alloc (set->mempool, size);
2653 mono_image_set_unlock (set);
2659 mono_image_set_alloc0 (MonoImageSet *set, guint size)
2663 mono_image_set_lock (set);
2665 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2666 res = mono_mempool_alloc0 (set->mempool, size);
2667 mono_image_set_unlock (set);
2673 mono_image_set_strdup (MonoImageSet *set, const char *s)
2677 mono_image_set_lock (set);
2679 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2680 res = mono_mempool_strdup (set->mempool, s);
2681 mono_image_set_unlock (set);
2686 // Get a descriptive string for a MonoImageSet
2687 // Callers are obligated to free buffer with g_free after use
2689 mono_image_set_description (MonoImageSet *set)
2691 GString *result = g_string_new (NULL);
2693 g_string_append (result, "[");
2694 for (img = 0; img < set->nimages; img++)
2697 g_string_append (result, ", ");
2698 g_string_append (result, set->images[img]->name);
2700 g_string_append (result, "]");
2701 return g_string_free (result, FALSE);
2705 * Structure used by the collect_..._images functions to store the image list.
2708 MonoImage *image_buf [64];
2710 int nimages, images_len;
2714 collect_data_init (CollectData *data)
2716 data->images = data->image_buf;
2717 data->images_len = 64;
2722 collect_data_free (CollectData *data)
2724 if (data->images != data->image_buf)
2725 g_free (data->images);
2729 enlarge_data (CollectData *data)
2731 int new_len = data->images_len < 16 ? 16 : data->images_len * 2;
2732 MonoImage **d = g_new (MonoImage *, new_len);
2735 g_assert_not_reached ();
2736 memcpy (d, data->images, data->images_len);
2737 if (data->images != data->image_buf)
2738 g_free (data->images);
2740 data->images_len = new_len;
2744 add_image (MonoImage *image, CollectData *data)
2748 /* The arrays are small, so use a linear search instead of a hash table */
2749 for (i = 0; i < data->nimages; ++i)
2750 if (data->images [i] == image)
2753 if (data->nimages == data->images_len)
2754 enlarge_data (data);
2756 data->images [data->nimages ++] = image;
2760 collect_type_images (MonoType *type, CollectData *data);
2763 collect_ginst_images (MonoGenericInst *ginst, CollectData *data)
2767 for (i = 0; i < ginst->type_argc; ++i) {
2768 collect_type_images (ginst->type_argv [i], data);
2773 collect_gclass_images (MonoGenericClass *gclass, CollectData *data)
2775 add_image (gclass->container_class->image, data);
2776 if (gclass->context.class_inst)
2777 collect_ginst_images (gclass->context.class_inst, data);
2781 collect_signature_images (MonoMethodSignature *sig, CollectData *data)
2783 gpointer iter = NULL;
2786 collect_type_images (mono_signature_get_return_type (sig), data);
2787 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2788 collect_type_images (p, data);
2792 collect_inflated_signature_images (MonoInflatedMethodSignature *sig, CollectData *data)
2794 collect_signature_images (sig->sig, data);
2795 if (sig->context.class_inst)
2796 collect_ginst_images (sig->context.class_inst, data);
2797 if (sig->context.method_inst)
2798 collect_ginst_images (sig->context.method_inst, data);
2802 collect_method_images (MonoMethodInflated *method, CollectData *data)
2804 MonoMethod *m = method->declaring;
2806 add_image (method->declaring->klass->image, data);
2807 if (method->context.class_inst)
2808 collect_ginst_images (method->context.class_inst, data);
2809 if (method->context.method_inst)
2810 collect_ginst_images (method->context.method_inst, data);
2812 * Dynamic assemblies have no references, so the images they depend on can be unloaded before them.
2814 if (image_is_dynamic (m->klass->image))
2815 collect_signature_images (mono_method_signature (m), data);
2819 collect_type_images (MonoType *type, CollectData *data)
2822 switch (type->type) {
2823 case MONO_TYPE_GENERICINST:
2824 collect_gclass_images (type->data.generic_class, data);
2827 type = type->data.type;
2829 case MONO_TYPE_SZARRAY:
2830 type = &type->data.klass->byval_arg;
2832 case MONO_TYPE_ARRAY:
2833 type = &type->data.array->eklass->byval_arg;
2835 case MONO_TYPE_FNPTR:
2836 //return signature_in_image (type->data.method, image);
2837 g_assert_not_reached ();
2839 case MONO_TYPE_MVAR:
2841 MonoImage *image = get_image_for_generic_param (type->data.generic_param);
2842 add_image (image, data);
2845 case MONO_TYPE_CLASS:
2846 case MONO_TYPE_VALUETYPE:
2847 add_image (mono_class_from_mono_type (type)->image, data);
2850 add_image (mono_defaults.corlib, data);
2857 } CleanForImageUserData;
2860 steal_gclass_in_image (gpointer key, gpointer value, gpointer data)
2862 MonoGenericClass *gclass = (MonoGenericClass *)key;
2863 CleanForImageUserData *user_data = (CleanForImageUserData *)data;
2865 g_assert (gclass_in_image (gclass, user_data->image));
2867 user_data->list = g_slist_prepend (user_data->list, gclass);
2872 steal_ginst_in_image (gpointer key, gpointer value, gpointer data)
2874 MonoGenericInst *ginst = (MonoGenericInst *)key;
2875 CleanForImageUserData *user_data = (CleanForImageUserData *)data;
2877 // This doesn't work during corlib compilation
2878 //g_assert (ginst_in_image (ginst, user_data->image));
2880 user_data->list = g_slist_prepend (user_data->list, ginst);
2885 inflated_method_in_image (gpointer key, gpointer value, gpointer data)
2887 MonoImage *image = (MonoImage *)data;
2888 MonoMethodInflated *method = (MonoMethodInflated *)key;
2891 // https://bugzilla.novell.com/show_bug.cgi?id=458168
2892 g_assert (method->declaring->klass->image == image ||
2893 (method->context.class_inst && ginst_in_image (method->context.class_inst, image)) ||
2894 (method->context.method_inst && ginst_in_image (method->context.method_inst, image)) || (((MonoMethod*)method)->signature && signature_in_image (mono_method_signature ((MonoMethod*)method), image)));
2900 inflated_signature_in_image (gpointer key, gpointer value, gpointer data)
2902 MonoImage *image = (MonoImage *)data;
2903 MonoInflatedMethodSignature *sig = (MonoInflatedMethodSignature *)key;
2905 return signature_in_image (sig->sig, image) ||
2906 (sig->context.class_inst && ginst_in_image (sig->context.class_inst, image)) ||
2907 (sig->context.method_inst && ginst_in_image (sig->context.method_inst, image));
2911 check_gmethod (gpointer key, gpointer value, gpointer data)
2913 MonoMethodInflated *method = (MonoMethodInflated *)key;
2914 MonoImage *image = (MonoImage *)data;
2916 if (method->context.class_inst)
2917 g_assert (!ginst_in_image (method->context.class_inst, image));
2918 if (method->context.method_inst)
2919 g_assert (!ginst_in_image (method->context.method_inst, image));
2920 if (((MonoMethod*)method)->signature)
2921 g_assert (!signature_in_image (mono_method_signature ((MonoMethod*)method), image));
2927 * Run a consistency check on the image set data structures.
2929 static G_GNUC_UNUSED void
2930 check_image_sets (MonoImage *image)
2933 GSList *l = image->image_sets;
2938 for (i = 0; i < image_sets->len; ++i) {
2939 MonoImageSet *set = (MonoImageSet *)g_ptr_array_index (image_sets, i);
2941 if (!g_slist_find (l, set)) {
2942 g_hash_table_foreach (set->gmethod_cache, check_gmethod, image);
2948 mono_metadata_clean_for_image (MonoImage *image)
2950 CleanForImageUserData ginst_data, gclass_data;
2951 GSList *l, *set_list;
2953 //check_image_sets (image);
2956 * The data structures could reference each other so we delete them in two phases.
2957 * This is required because of the hashing functions in gclass/ginst_cache.
2959 ginst_data.image = gclass_data.image = image;
2960 ginst_data.list = gclass_data.list = NULL;
2962 /* Collect the items to delete */
2963 /* delete_image_set () modifies the lists so make a copy */
2964 for (l = image->image_sets; l; l = l->next) {
2965 MonoImageSet *set = (MonoImageSet *)l->data;
2967 mono_image_set_lock (set);
2968 mono_conc_hashtable_foreach_steal (set->gclass_cache, steal_gclass_in_image, &gclass_data);
2969 g_hash_table_foreach_steal (set->ginst_cache, steal_ginst_in_image, &ginst_data);
2970 g_hash_table_foreach_remove (set->gmethod_cache, inflated_method_in_image, image);
2971 g_hash_table_foreach_remove (set->gsignature_cache, inflated_signature_in_image, image);
2972 mono_image_set_unlock (set);
2975 /* Delete the removed items */
2976 for (l = ginst_data.list; l; l = l->next)
2977 free_generic_inst ((MonoGenericInst *)l->data);
2978 for (l = gclass_data.list; l; l = l->next)
2979 free_generic_class ((MonoGenericClass *)l->data);
2980 g_slist_free (ginst_data.list);
2981 g_slist_free (gclass_data.list);
2982 /* delete_image_set () modifies the lists so make a copy */
2983 set_list = g_slist_copy (image->image_sets);
2984 for (l = set_list; l; l = l->next) {
2985 MonoImageSet *set = (MonoImageSet *)l->data;
2987 delete_image_set (set);
2989 g_slist_free (set_list);
2993 free_inflated_method (MonoMethodInflated *imethod)
2995 MonoMethod *method = (MonoMethod*)imethod;
2997 if (method->signature)
2998 mono_metadata_free_inflated_signature (method->signature);
3000 if (method->wrapper_type)
3001 g_free (((MonoMethodWrapper*)method)->method_data);
3007 free_generic_inst (MonoGenericInst *ginst)
3011 /* The ginst itself is allocated from the image set mempool */
3012 for (i = 0; i < ginst->type_argc; ++i)
3013 mono_metadata_free_type (ginst->type_argv [i]);
3017 free_generic_class (MonoGenericClass *gclass)
3019 /* The gclass itself is allocated from the image set mempool */
3020 if (gclass->cached_class && gclass->cached_class->interface_id)
3021 mono_unload_interface_id (gclass->cached_class);
3025 free_inflated_signature (MonoInflatedMethodSignature *sig)
3027 mono_metadata_free_inflated_signature (sig->sig);
3032 * mono_metadata_get_inflated_signature:
3034 * Given an inflated signature and a generic context, return a canonical copy of the
3035 * signature. The returned signature might be equal to SIG or it might be a cached copy.
3037 MonoMethodSignature *
3038 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context)
3040 MonoInflatedMethodSignature helper;
3041 MonoInflatedMethodSignature *res;
3046 helper.context.class_inst = context->class_inst;
3047 helper.context.method_inst = context->method_inst;
3049 collect_data_init (&data);
3051 collect_inflated_signature_images (&helper, &data);
3053 set = get_image_set (data.images, data.nimages);
3055 collect_data_free (&data);
3057 mono_image_set_lock (set);
3059 res = (MonoInflatedMethodSignature *)g_hash_table_lookup (set->gsignature_cache, &helper);
3061 res = g_new0 (MonoInflatedMethodSignature, 1);
3063 res->context.class_inst = context->class_inst;
3064 res->context.method_inst = context->method_inst;
3065 g_hash_table_insert (set->gsignature_cache, res, res);
3068 mono_image_set_unlock (set);
3074 mono_metadata_get_image_set_for_method (MonoMethodInflated *method)
3077 CollectData image_set_data;
3079 collect_data_init (&image_set_data);
3080 collect_method_images (method, &image_set_data);
3081 set = get_image_set (image_set_data.images, image_set_data.nimages);
3082 collect_data_free (&image_set_data);
3088 type_is_gtd (MonoType *type)
3090 switch (type->type) {
3091 case MONO_TYPE_CLASS:
3092 case MONO_TYPE_VALUETYPE:
3093 return mono_class_is_gtd (type->data.klass);
3100 * mono_metadata_get_generic_inst:
3102 * Given a list of types, return a MonoGenericInst that represents that list.
3103 * The returned MonoGenericInst has its own copy of the list of types. The list
3104 * passed in the argument can be freed, modified or disposed of.
3108 mono_metadata_get_generic_inst (int type_argc, MonoType **type_argv)
3110 MonoGenericInst *ginst;
3113 int size = MONO_SIZEOF_GENERIC_INST + type_argc * sizeof (MonoType *);
3115 for (i = 0; i < type_argc; ++i)
3116 if (mono_class_is_open_constructed_type (type_argv [i]))
3118 is_open = (i < type_argc);
3120 ginst = (MonoGenericInst *)g_alloca (size);
3121 memset (ginst, 0, sizeof (MonoGenericInst));
3122 ginst->is_open = is_open;
3123 ginst->type_argc = type_argc;
3124 memcpy (ginst->type_argv, type_argv, type_argc * sizeof (MonoType *));
3126 for (i = 0; i < type_argc; ++i) {
3127 MonoType *t = ginst->type_argv [i];
3128 if (type_is_gtd (t)) {
3129 ginst->type_argv [i] = mono_class_gtd_get_canonical_inst (t->data.klass);
3133 return mono_metadata_get_canonical_generic_inst (ginst);
3138 * mono_metadata_get_canonical_generic_inst:
3139 * \param candidate an arbitrary generic instantiation
3141 * \returns the canonical generic instantiation that represents the given
3142 * candidate by identifying the image set for the candidate instantiation and
3143 * finding the instance in the image set or adding a copy of the given instance
3146 * The returned MonoGenericInst has its own copy of the list of types. The list
3147 * passed in the argument can be freed, modified or disposed of.
3151 mono_metadata_get_canonical_generic_inst (MonoGenericInst *candidate)
3154 int type_argc = candidate->type_argc;
3155 gboolean is_open = candidate->is_open;
3158 collect_data_init (&data);
3160 collect_ginst_images (candidate, &data);
3162 set = get_image_set (data.images, data.nimages);
3164 collect_data_free (&data);
3166 mono_image_set_lock (set);
3168 MonoGenericInst *ginst = (MonoGenericInst *)g_hash_table_lookup (set->ginst_cache, candidate);
3170 int size = MONO_SIZEOF_GENERIC_INST + type_argc * sizeof (MonoType *);
3171 ginst = (MonoGenericInst *)mono_image_set_alloc0 (set, size);
3172 #ifndef MONO_SMALL_CONFIG
3173 ginst->id = ++next_generic_inst_id;
3175 ginst->is_open = is_open;
3176 ginst->type_argc = type_argc;
3178 for (int i = 0; i < type_argc; ++i)
3179 ginst->type_argv [i] = mono_metadata_type_dup (NULL, candidate->type_argv [i]);
3181 g_hash_table_insert (set->ginst_cache, ginst, ginst);
3184 mono_image_set_unlock (set);
3189 mono_metadata_is_type_builder_generic_type_definition (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
3191 MonoGenericContainer *container = mono_class_get_generic_container (container_class);
3193 if (!is_dynamic || container_class->wastypebuilder || container->type_argc != inst->type_argc)
3195 return inst == container->context.class_inst;
3199 * mono_metadata_lookup_generic_class:
3201 * Returns a MonoGenericClass with the given properties.
3205 mono_metadata_lookup_generic_class (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
3207 MonoGenericClass *gclass;
3208 MonoGenericClass helper;
3209 gboolean is_tb_open = mono_metadata_is_type_builder_generic_type_definition (container_class, inst, is_dynamic);
3213 g_assert (mono_class_get_generic_container (container_class)->type_argc == inst->type_argc);
3215 memset (&helper, 0, sizeof(helper)); // act like g_new0
3216 helper.container_class = container_class;
3217 helper.context.class_inst = inst;
3218 helper.is_dynamic = is_dynamic; /* We use this in a hash lookup, which does not attempt to downcast the pointer */
3219 helper.is_tb_open = is_tb_open;
3221 collect_data_init (&data);
3223 collect_gclass_images (&helper, &data);
3225 set = get_image_set (data.images, data.nimages);
3227 collect_data_free (&data);
3229 gclass = (MonoGenericClass *)mono_conc_hashtable_lookup (set->gclass_cache, &helper);
3231 /* A tripwire just to keep us honest */
3232 g_assert (!helper.cached_class);
3237 gclass = mono_image_set_new0 (set, MonoGenericClass, 1);
3239 gclass->is_dynamic = 1;
3241 gclass->is_tb_open = is_tb_open;
3242 gclass->container_class = container_class;
3243 gclass->context.class_inst = inst;
3244 gclass->context.method_inst = NULL;
3245 gclass->owner = set;
3246 if (inst == mono_class_get_generic_container (container_class)->context.class_inst && !is_tb_open)
3247 gclass->cached_class = container_class;
3249 mono_image_set_lock (set);
3251 MonoGenericClass *gclass2 = mono_conc_hashtable_insert (set->gclass_cache, gclass, gclass);
3255 // g_hash_table_insert (set->gclass_cache, gclass, gclass);
3257 mono_image_set_unlock (set);
3263 * mono_metadata_inflate_generic_inst:
3265 * Instantiate the generic instance @ginst with the context @context.
3266 * Check @error for success.
3270 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error)
3272 MonoType **type_argv;
3273 MonoGenericInst *nginst = NULL;
3278 if (!ginst->is_open)
3281 type_argv = g_new0 (MonoType*, ginst->type_argc);
3283 for (i = 0; i < ginst->type_argc; i++) {
3284 type_argv [i] = mono_class_inflate_generic_type_checked (ginst->type_argv [i], context, error);
3285 if (!mono_error_ok (error))
3290 nginst = mono_metadata_get_generic_inst (ginst->type_argc, type_argv);
3293 for (i = 0; i < count; i++)
3294 mono_metadata_free_type (type_argv [i]);
3301 mono_metadata_parse_generic_inst (MonoImage *m, MonoGenericContainer *container,
3302 int count, const char *ptr, const char **rptr, MonoError *error)
3304 MonoType **type_argv;
3305 MonoGenericInst *ginst;
3309 type_argv = g_new0 (MonoType*, count);
3311 for (i = 0; i < count; i++) {
3312 MonoType *t = mono_metadata_parse_type_checked (m, container, 0, FALSE, ptr, &ptr, error);
3323 ginst = mono_metadata_get_generic_inst (count, type_argv);
3331 do_mono_metadata_parse_generic_class (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3332 const char *ptr, const char **rptr, MonoError *error)
3334 MonoGenericInst *inst;
3341 // XXX how about transient?
3342 gtype = mono_metadata_parse_type_checked (m, NULL, 0, FALSE, ptr, &ptr, error);
3346 gklass = mono_class_from_mono_type (gtype);
3347 if (!mono_class_is_gtd (gklass)) {
3348 mono_error_set_bad_image (error, m, "Generic instance with non-generic definition");
3352 count = mono_metadata_decode_value (ptr, &ptr);
3353 inst = mono_metadata_parse_generic_inst (m, container, count, ptr, &ptr, error);
3360 type->data.generic_class = mono_metadata_lookup_generic_class (gklass, inst, FALSE);
3366 * @gc: The generic container to normalize
3367 * @type: The kind of generic parameters the resulting generic-container should contain
3370 static MonoGenericContainer *
3371 select_container (MonoGenericContainer *gc, MonoTypeEnum type)
3373 gboolean is_var = (type == MONO_TYPE_VAR);
3377 g_assert (is_var || type == MONO_TYPE_MVAR);
3380 if (gc->is_method || gc->parent)
3382 * The current MonoGenericContainer is a generic method -> its `parent'
3383 * points to the containing class'es container.
3391 MonoGenericContainer *
3392 get_anonymous_container_for_image (MonoImage *image, gboolean is_mvar)
3394 MonoGenericContainer **container_pointer;
3396 container_pointer = &image->anonymous_generic_method_container;
3398 container_pointer = &image->anonymous_generic_class_container;
3399 MonoGenericContainer *result = *container_pointer;
3401 // This container has never been created; make it now.
3404 // Note this is never deallocated anywhere-- it exists for the lifetime of the image it's allocated from
3405 result = (MonoGenericContainer *)mono_image_alloc0 (image, sizeof (MonoGenericContainer));
3406 result->owner.image = image;
3407 result->is_anonymous = TRUE;
3408 result->is_small_param = TRUE;
3409 result->is_method = is_mvar;
3411 // If another thread already made a container, use that and leak this new one.
3412 // (Technically it would currently be safe to just assign instead of CASing.)
3413 MonoGenericContainer *exchange = (MonoGenericContainer *)InterlockedCompareExchangePointer ((volatile gpointer *)container_pointer, result, NULL);
3421 * mono_metadata_parse_generic_param:
3422 * @generic_container: Our MonoClass's or MonoMethod's MonoGenericContainer;
3423 * see mono_metadata_parse_type_checked() for details.
3424 * Internal routine to parse a generic type parameter.
3425 * LOCKING: Acquires the loader lock
3427 static MonoGenericParam *
3428 mono_metadata_parse_generic_param (MonoImage *m, MonoGenericContainer *generic_container,
3429 MonoTypeEnum type, const char *ptr, const char **rptr, MonoError *error)
3431 int index = mono_metadata_decode_value (ptr, &ptr);
3437 generic_container = select_container (generic_container, type);
3438 if (!generic_container) {
3439 gboolean is_mvar = FALSE;
3444 case MONO_TYPE_MVAR:
3448 g_error ("Cerating generic param object with invalid MonoType"); // This is not a generic param
3451 /* Create dummy MonoGenericParam */
3452 MonoGenericParam *param;
3454 param = (MonoGenericParam *)mono_image_alloc0 (m, sizeof (MonoGenericParam));
3456 param->owner = get_anonymous_container_for_image (m, is_mvar);
3461 if (index >= generic_container->type_argc) {
3462 mono_error_set_bad_image (error, m, "Invalid generic %s parameter index %d, max index is %d",
3463 generic_container->is_method ? "method" : "type",
3464 index, generic_container->type_argc);
3468 //This can't return NULL
3469 return mono_generic_container_get_param (generic_container, index);
3473 * mono_metadata_get_shared_type:
3475 * Return a shared instance of TYPE, if available, NULL otherwise.
3476 * Shared MonoType instances help save memory. Their contents should not be modified
3477 * by the caller. They do not need to be freed as their lifetime is bound by either
3478 * the lifetime of the runtime (builtin types), or the lifetime of the MonoClass
3479 * instance they are embedded in. If they are freed, they should be freed using
3480 * mono_metadata_free_type () instead of g_free ().
3483 mono_metadata_get_shared_type (MonoType *type)
3487 /* No need to use locking since nobody is modifying the hash table */
3488 if ((cached = (MonoType *)g_hash_table_lookup (type_cache, type)))
3491 switch (type->type){
3492 case MONO_TYPE_CLASS:
3493 case MONO_TYPE_VALUETYPE:
3494 if (type == &type->data.klass->byval_arg)
3496 if (type == &type->data.klass->this_arg)
3507 compare_type_literals (MonoImage *image, int class_type, int type_type, MonoError *error)
3511 /* byval_arg.type can be zero if we're decoding a type that references a class been loading.
3512 * See mcs/test/gtest-440. and #650936.
3513 * FIXME This better be moved to the metadata verifier as it can catch more cases.
3517 /* NET 1.1 assemblies might encode string and object in a denormalized way.
3520 if (class_type == type_type)
3523 if (type_type == MONO_TYPE_CLASS) {
3524 if (class_type == MONO_TYPE_STRING || class_type == MONO_TYPE_OBJECT)
3526 //XXX stringify this argument
3527 mono_error_set_bad_image (error, image, "Expected reference type but got type kind %d", class_type);
3531 g_assert (type_type == MONO_TYPE_VALUETYPE);
3532 switch (class_type) {
3533 case MONO_TYPE_BOOLEAN:
3534 case MONO_TYPE_CHAR:
3547 case MONO_TYPE_CLASS:
3550 //XXX stringify this argument
3551 mono_error_set_bad_image (error, image, "Expected value type but got type kind %d", class_type);
3557 verify_var_type_and_container (MonoImage *image, int var_type, MonoGenericContainer *container, MonoError *error)
3560 if (var_type == MONO_TYPE_MVAR) {
3561 if (!container->is_method) { //MVAR and a method container
3562 mono_error_set_bad_image (error, image, "MVAR parsed in a context without a method container");
3566 if (!(!container->is_method || //VAR and class container
3567 (container->is_method && container->parent))) { //VAR and method container with parent
3568 mono_error_set_bad_image (error, image, "VAR parsed in a context without a class container");
3576 * do_mono_metadata_parse_type:
3577 * @type: MonoType to be filled in with the return value
3579 * @generic_context: generics_context
3580 * @transient: whenever to allocate data from the heap
3581 * @ptr: pointer to the encoded type
3582 * @rptr: pointer where the end of the encoded type is saved
3584 * Internal routine used to "fill" the contents of @type from an
3585 * allocated pointer. This is done this way to avoid doing too
3586 * many mini-allocations (particularly for the MonoFieldType which
3587 * most of the time is just a MonoType, but sometimes might be augmented).
3589 * This routine is used by mono_metadata_parse_type and
3590 * mono_metadata_parse_field_type
3592 * This extracts a Type as specified in Partition II (22.2.12)
3594 * Returns: FALSE if the type could not be loaded
3597 do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3598 gboolean transient, const char *ptr, const char **rptr, MonoError *error)
3602 type->type = (MonoTypeEnum)mono_metadata_decode_value (ptr, &ptr);
3604 switch (type->type){
3605 case MONO_TYPE_VOID:
3606 case MONO_TYPE_BOOLEAN:
3607 case MONO_TYPE_CHAR:
3620 case MONO_TYPE_STRING:
3621 case MONO_TYPE_OBJECT:
3622 case MONO_TYPE_TYPEDBYREF:
3624 case MONO_TYPE_VALUETYPE:
3625 case MONO_TYPE_CLASS: {
3628 token = mono_metadata_parse_typedef_or_ref (m, ptr, &ptr);
3629 klass = mono_class_get_checked (m, token, error);
3630 type->data.klass = klass;
3634 if (!compare_type_literals (m, klass->byval_arg.type, type->type, error))
3639 case MONO_TYPE_SZARRAY: {
3640 MonoType *etype = mono_metadata_parse_type_checked (m, container, 0, transient, ptr, &ptr, error);
3644 type->data.klass = mono_class_from_mono_type (etype);
3647 mono_metadata_free_type (etype);
3649 g_assert (type->data.klass); //This was previously a check for NULL, but mcfmt should never fail. It can return a borken MonoClass, but should return at least something.
3652 case MONO_TYPE_PTR: {
3653 type->data.type = mono_metadata_parse_type_checked (m, container, 0, transient, ptr, &ptr, error);
3654 if (!type->data.type)
3658 case MONO_TYPE_FNPTR: {
3659 type->data.method = mono_metadata_parse_method_signature_full (m, container, 0, ptr, &ptr, error);
3660 if (!type->data.method)
3664 case MONO_TYPE_ARRAY: {
3665 type->data.array = mono_metadata_parse_array_internal (m, container, transient, ptr, &ptr, error);
3666 if (!type->data.array)
3670 case MONO_TYPE_MVAR:
3671 case MONO_TYPE_VAR: {
3672 if (container && !verify_var_type_and_container (m, type->type, container, error))
3675 type->data.generic_param = mono_metadata_parse_generic_param (m, container, type->type, ptr, &ptr, error);
3676 if (!type->data.generic_param)
3681 case MONO_TYPE_GENERICINST: {
3682 if (!do_mono_metadata_parse_generic_class (type, m, container, ptr, &ptr, error))
3687 mono_error_set_bad_image (error, m, "type 0x%02x not handled in do_mono_metadata_parse_type on image %s", type->type, m->name);
3697 * mono_metadata_free_type:
3698 * \param type type to free
3700 * Free the memory allocated for type \p type which is allocated on the heap.
3703 mono_metadata_free_type (MonoType *type)
3705 if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
3708 switch (type->type){
3709 case MONO_TYPE_OBJECT:
3710 case MONO_TYPE_STRING:
3711 if (!type->data.klass)
3714 case MONO_TYPE_CLASS:
3715 case MONO_TYPE_VALUETYPE:
3716 if (type == &type->data.klass->byval_arg || type == &type->data.klass->this_arg)
3720 mono_metadata_free_type (type->data.type);
3722 case MONO_TYPE_FNPTR:
3723 mono_metadata_free_method_signature (type->data.method);
3725 case MONO_TYPE_ARRAY:
3726 mono_metadata_free_array (type->data.array);
3737 hex_dump (const char *buffer, int base, int count)
3739 int show_header = 1;
3747 for (i = 0; i < count; i++){
3750 printf ("\n0x%08x: ", (unsigned char) base + i);
3752 printf ("%02x ", (unsigned char) (buffer [i]));
3759 * @ptr: Points to the beginning of the Section Data (25.3)
3761 static MonoExceptionClause*
3762 parse_section_data (MonoImage *m, int *num_clauses, const unsigned char *ptr, MonoError *error)
3764 unsigned char sect_data_flags;
3766 guint32 sect_data_len;
3767 MonoExceptionClause* clauses = NULL;
3772 /* align on 32-bit boundary */
3773 ptr = dword_align (ptr);
3774 sect_data_flags = *ptr;
3777 is_fat = sect_data_flags & METHOD_HEADER_SECTION_FAT_FORMAT;
3779 sect_data_len = (ptr [2] << 16) | (ptr [1] << 8) | ptr [0];
3782 sect_data_len = ptr [0];
3786 if (sect_data_flags & METHOD_HEADER_SECTION_EHTABLE) {
3787 const unsigned char *p = dword_align (ptr);
3789 *num_clauses = is_fat ? sect_data_len / 24: sect_data_len / 12;
3790 /* we could just store a pointer if we don't need to byteswap */
3791 clauses = (MonoExceptionClause *)g_malloc0 (sizeof (MonoExceptionClause) * (*num_clauses));
3792 for (i = 0; i < *num_clauses; ++i) {
3793 MonoExceptionClause *ec = &clauses [i];
3796 ec->flags = read32 (p);
3797 ec->try_offset = read32 (p + 4);
3798 ec->try_len = read32 (p + 8);
3799 ec->handler_offset = read32 (p + 12);
3800 ec->handler_len = read32 (p + 16);
3801 tof_value = read32 (p + 20);
3804 ec->flags = read16 (p);
3805 ec->try_offset = read16 (p + 2);
3806 ec->try_len = *(p + 4);
3807 ec->handler_offset = read16 (p + 5);
3808 ec->handler_len = *(p + 7);
3809 tof_value = read32 (p + 8);
3812 if (ec->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3813 ec->data.filter_offset = tof_value;
3814 } else if (ec->flags == MONO_EXCEPTION_CLAUSE_NONE) {
3815 ec->data.catch_class = NULL;
3817 ec->data.catch_class = mono_class_get_checked (m, tof_value, error);
3818 if (!is_ok (error)) {
3824 ec->data.catch_class = NULL;
3826 /* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
3830 if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
3831 ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
3838 * mono_method_get_header_summary:
3839 * @method: The method to get the header.
3840 * @summary: Where to store the header
3843 * Returns: TRUE if the header was properly decoded.
3846 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary)
3852 unsigned char flags, format;
3855 /*Only the GMD has a pointer to the metadata.*/
3856 while (method->is_inflated)
3857 method = ((MonoMethodInflated*)method)->declaring;
3859 summary->code_size = 0;
3860 summary->has_clauses = FALSE;
3862 /*FIXME extract this into a MACRO and share it with mono_method_get_header*/
3863 if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) || (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) || (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
3866 if (method->wrapper_type != MONO_WRAPPER_NONE || method->sre_method) {
3867 MonoMethodHeader *header = ((MonoMethodWrapper *)method)->header;
3870 summary->code_size = header->code_size;
3871 summary->has_clauses = header->num_clauses > 0;
3876 idx = mono_metadata_token_index (method->token);
3877 img = method->klass->image;
3878 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
3880 /*We must run the verifier since we'll be decoding it.*/
3881 if (!mono_verifier_verify_method_header (img, rva, NULL))
3884 ptr = mono_image_rva_map (img, rva);
3888 flags = *(const unsigned char *)ptr;
3889 format = flags & METHOD_HEADER_FORMAT_MASK;
3892 case METHOD_HEADER_TINY_FORMAT:
3894 summary->code_size = flags >> 2;
3896 case METHOD_HEADER_FAT_FORMAT:
3897 fat_flags = read16 (ptr);
3899 summary->code_size = read32 (ptr);
3900 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3901 summary->has_clauses = TRUE;
3910 * mono_metadata_parse_mh_full:
3911 * @m: metadata context
3912 * @generic_context: generics context
3913 * @ptr: pointer to the method header.
3915 * Decode the method header at @ptr, including pointer to the IL code,
3916 * info about local variables and optional exception tables.
3917 * This is a Mono runtime internal function.
3919 * LOCKING: Acquires the loader lock.
3921 * Returns: a transient MonoMethodHeader allocated from the heap.
3924 mono_metadata_parse_mh_full (MonoImage *m, MonoGenericContainer *container, const char *ptr, MonoError *error)
3926 MonoMethodHeader *mh = NULL;
3927 unsigned char flags = *(const unsigned char *) ptr;
3928 unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
3930 guint32 local_var_sig_tok, max_stack, code_size, init_locals;
3931 const unsigned char *code;
3932 MonoExceptionClause* clauses = NULL;
3933 int num_clauses = 0;
3934 MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
3935 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
3940 mono_error_set_bad_image (error, m, "Method header with null pointer");
3945 case METHOD_HEADER_TINY_FORMAT:
3946 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER);
3949 mh->is_transient = TRUE;
3950 local_var_sig_tok = 0;
3951 mh->code_size = flags >> 2;
3952 mh->code = (unsigned char*)ptr;
3954 case METHOD_HEADER_FAT_FORMAT:
3955 fat_flags = read16 (ptr);
3957 max_stack = read16 (ptr);
3959 code_size = read32 (ptr);
3961 local_var_sig_tok = read32 (ptr);
3964 if (fat_flags & METHOD_HEADER_INIT_LOCALS)
3969 code = (unsigned char*)ptr;
3971 if (!(fat_flags & METHOD_HEADER_MORE_SECTS))
3975 * There are more sections
3977 ptr = (char*)code + code_size;
3980 mono_error_set_bad_image (error, m, "Invalid method header format %d", format);
3984 if (local_var_sig_tok) {
3985 int idx = (local_var_sig_tok & 0xffffff)-1;
3986 if (idx >= t->rows || idx < 0) {
3987 mono_error_set_bad_image (error, m, "Invalid method header local vars signature token 0x%8x", idx);
3990 mono_metadata_decode_row (t, idx, cols, 1);
3992 if (!mono_verifier_verify_standalone_signature (m, cols [MONO_STAND_ALONE_SIGNATURE], NULL)) {
3993 mono_error_set_bad_image (error, m, "Method header locals signature 0x%8x verification failed", idx);
3997 if (fat_flags & METHOD_HEADER_MORE_SECTS) {
3998 clauses = parse_section_data (m, &num_clauses, (const unsigned char*)ptr, error);
4002 if (local_var_sig_tok) {
4003 const char *locals_ptr;
4006 locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
4007 mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
4008 if (*locals_ptr != 0x07)
4009 g_warning ("wrong signature for locals blob");
4011 len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
4012 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER + len * sizeof (MonoType*) + num_clauses * sizeof (MonoExceptionClause));
4013 mh->num_locals = len;
4014 for (i = 0; i < len; ++i) {
4015 mh->locals [i] = mono_metadata_parse_type_internal (m, container, 0, TRUE, locals_ptr, &locals_ptr, error);
4020 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER + num_clauses * sizeof (MonoExceptionClause));
4023 mh->code_size = code_size;
4024 mh->max_stack = max_stack;
4025 mh->is_transient = TRUE;
4026 mh->init_locals = init_locals;
4028 MonoExceptionClause* clausesp = (MonoExceptionClause*)&mh->locals [mh->num_locals];
4029 memcpy (clausesp, clauses, num_clauses * sizeof (MonoExceptionClause));
4031 mh->clauses = clausesp;
4032 mh->num_clauses = num_clauses;
4043 * mono_metadata_parse_mh:
4044 * \param generic_context generics context
4045 * \param ptr pointer to the method header.
4047 * Decode the method header at \p ptr, including pointer to the IL code,
4048 * info about local variables and optional exception tables.
4050 * \returns a transient \c MonoMethodHeader allocated from the heap.
4053 mono_metadata_parse_mh (MonoImage *m, const char *ptr)
4056 MonoMethodHeader *header = mono_metadata_parse_mh_full (m, NULL, ptr, &error);
4057 mono_error_cleanup (&error);
4062 * mono_metadata_free_mh:
4063 * \param mh a method header
4065 * Free the memory allocated for the method header.
4068 mono_metadata_free_mh (MonoMethodHeader *mh)
4072 /* If it is not transient it means it's part of a wrapper method,
4073 * or a SRE-generated method, so the lifetime in that case is
4074 * dictated by the method's own lifetime
4076 if (mh->is_transient) {
4077 for (i = 0; i < mh->num_locals; ++i)
4078 mono_metadata_free_type (mh->locals [i]);
4084 * mono_method_header_get_code:
4085 * \param header a \c MonoMethodHeader pointer
4086 * \param code_size memory location for returning the code size
4087 * \param max_stack memory location for returning the max stack
4089 * Method header accessor to retreive info about the IL code properties:
4090 * a pointer to the IL code itself, the size of the code and the max number
4091 * of stack slots used by the code.
4093 * \returns pointer to the IL code represented by the method header.
4095 const unsigned char*
4096 mono_method_header_get_code (MonoMethodHeader *header, guint32* code_size, guint32* max_stack)
4099 *code_size = header->code_size;
4101 *max_stack = header->max_stack;
4102 return header->code;
4106 * mono_method_header_get_locals:
4107 * \param header a \c MonoMethodHeader pointer
4108 * \param num_locals memory location for returning the number of local variables
4109 * \param init_locals memory location for returning the init_locals flag
4111 * Method header accessor to retreive info about the local variables:
4112 * an array of local types, the number of locals and whether the locals
4113 * are supposed to be initialized to 0 on method entry
4115 * \returns pointer to an array of types of the local variables
4118 mono_method_header_get_locals (MonoMethodHeader *header, guint32* num_locals, gboolean *init_locals)
4121 *num_locals = header->num_locals;
4123 *init_locals = header->init_locals;
4124 return header->locals;
4128 * mono_method_header_get_num_clauses:
4129 * @header: a MonoMethodHeader pointer
4131 * Method header accessor to retreive the number of exception clauses.
4133 * Returns: the number of exception clauses present
4136 mono_method_header_get_num_clauses (MonoMethodHeader *header)
4138 return header->num_clauses;
4142 * mono_method_header_get_clauses:
4143 * \param header a \c MonoMethodHeader pointer
4144 * \param method \c MonoMethod the header belongs to
4145 * \param iter pointer to a iterator
4146 * \param clause pointer to a \c MonoExceptionClause structure which will be filled with the info
4148 * Get the info about the exception clauses in the method. Set \c *iter to NULL to
4149 * initiate the iteration, then call the method repeatedly until it returns FALSE.
4150 * At each iteration, the structure pointed to by clause if filled with the
4151 * exception clause information.
4153 * \returns TRUE if clause was filled with info, FALSE if there are no more exception
4157 mono_method_header_get_clauses (MonoMethodHeader *header, MonoMethod *method, gpointer *iter, MonoExceptionClause *clause)
4159 MonoExceptionClause *sc;
4160 /* later we'll be able to use this interface to parse the clause info on demand,
4161 * without allocating anything.
4163 if (!iter || !header->num_clauses)
4166 *iter = sc = header->clauses;
4170 sc = (MonoExceptionClause *)*iter;
4172 if (sc < header->clauses + header->num_clauses) {
4181 * mono_metadata_parse_field_type:
4182 * \param m metadata context to extract information from
4183 * \param ptr pointer to the field signature
4184 * \param rptr pointer updated to match the end of the decoded stream
4186 * Parses the field signature, and returns the type information for it.
4188 * \returns The \c MonoType that was extracted from \p ptr .
4191 mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
4194 MonoType * type = mono_metadata_parse_type_internal (m, NULL, field_flags, FALSE, ptr, rptr, &error);
4195 mono_error_cleanup (&error);
4200 * mono_metadata_parse_param:
4201 * \param m metadata context to extract information from
4202 * \param ptr pointer to the param signature
4203 * \param rptr pointer updated to match the end of the decoded stream
4205 * Parses the param signature, and returns the type information for it.
4207 * \returns The \c MonoType that was extracted from \p ptr .
4210 mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
4213 MonoType * type = mono_metadata_parse_type_internal (m, NULL, 0, FALSE, ptr, rptr, &error);
4214 mono_error_cleanup (&error);
4219 * mono_metadata_token_from_dor:
4220 * \param dor_token A \c TypeDefOrRef coded index
4222 * \p dor_token is a \c TypeDefOrRef coded index: it contains either
4223 * a \c TypeDef, \c TypeRef or \c TypeSpec in the lower bits, and the upper
4224 * bits contain an index into the table.
4226 * \returns an expanded token
4229 mono_metadata_token_from_dor (guint32 dor_index)
4233 table = dor_index & 0x03;
4234 idx = dor_index >> 2;
4237 case 0: /* TypeDef */
4238 return MONO_TOKEN_TYPE_DEF | idx;
4239 case 1: /* TypeRef */
4240 return MONO_TOKEN_TYPE_REF | idx;
4241 case 2: /* TypeSpec */
4242 return MONO_TOKEN_TYPE_SPEC | idx;
4244 g_assert_not_reached ();
4251 * We use this to pass context information to the row locator
4254 int idx; /* The index that we are trying to locate */
4255 int col_idx; /* The index in the row where idx may be stored */
4256 MonoTableInfo *t; /* pointer to the table */
4261 * How the row locator works.
4266 * ___|___------> _______
4269 * A column in the rows of table A references an index in table B.
4270 * For example A may be the TYPEDEF table and B the METHODDEF table.
4272 * Given an index in table B we want to get the row in table A
4273 * where the column n references our index in B.
4275 * In the locator_t structure:
4277 * col_idx is the column number
4278 * index is the index in table B
4279 * result will be the index in table A
4282 * Table A Table B column (in table A)
4283 * TYPEDEF METHODDEF MONO_TYPEDEF_METHOD_LIST
4284 * TYPEDEF FIELD MONO_TYPEDEF_FIELD_LIST
4285 * PROPERTYMAP PROPERTY MONO_PROPERTY_MAP_PROPERTY_LIST
4286 * INTERFIMPL TYPEDEF MONO_INTERFACEIMPL_CLASS
4287 * METHODSEM PROPERTY ASSOCIATION (encoded index)
4289 * Note that we still don't support encoded indexes.
4293 typedef_locator (const void *a, const void *b)
4295 locator_t *loc = (locator_t *) a;
4296 const char *bb = (const char *) b;
4297 int typedef_index = (bb - loc->t->base) / loc->t->row_size;
4298 guint32 col, col_next;
4300 col = mono_metadata_decode_row_col (loc->t, typedef_index, loc->col_idx);
4306 * Need to check that the next row is valid.
4308 if (typedef_index + 1 < loc->t->rows) {
4309 col_next = mono_metadata_decode_row_col (loc->t, typedef_index + 1, loc->col_idx);
4310 if (loc->idx >= col_next)
4313 if (col == col_next)
4317 loc->result = typedef_index;
4323 table_locator (const void *a, const void *b)
4325 locator_t *loc = (locator_t *) a;
4326 const char *bb = (const char *) b;
4327 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
4330 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
4332 if (loc->idx == col) {
4333 loc->result = table_index;
4343 declsec_locator (const void *a, const void *b)
4345 locator_t *loc = (locator_t *) a;
4346 const char *bb = (const char *) b;
4347 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
4350 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
4352 if (loc->idx == col) {
4353 loc->result = table_index;
4365 * Return the 1-based row index in TABLE, which must be one of the *Ptr tables,
4366 * which contains IDX.
4369 search_ptr_table (MonoImage *image, int table, int idx)
4371 MonoTableInfo *ptrdef = &image->tables [table];
4374 /* Use a linear search to find our index in the table */
4375 for (i = 0; i < ptrdef->rows; i ++)
4376 /* All the Ptr tables have the same structure */
4377 if (mono_metadata_decode_row_col (ptrdef, i, 0) == idx)
4380 if (i < ptrdef->rows)
4387 * mono_metadata_typedef_from_field:
4388 * \param meta metadata context
4389 * \param index FieldDef token
4391 * \returns the 1-based index into the \c TypeDef table of the type that
4392 * declared the field described by \p index, or 0 if not found.
4395 mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
4397 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
4403 loc.idx = mono_metadata_token_index (index);
4404 loc.col_idx = MONO_TYPEDEF_FIELD_LIST;
4407 if (meta->uncompressed_metadata)
4408 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
4410 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
4413 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4414 return loc.result + 1;
4418 * mono_metadata_typedef_from_method:
4419 * \param meta metadata context
4420 * \param index \c MethodDef token
4421 * \returns the 1-based index into the \c TypeDef table of the type that
4422 * declared the method described by \p index. 0 if not found.
4425 mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
4427 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
4433 loc.idx = mono_metadata_token_index (index);
4434 loc.col_idx = MONO_TYPEDEF_METHOD_LIST;
4437 if (meta->uncompressed_metadata)
4438 loc.idx = search_ptr_table (meta, MONO_TABLE_METHOD_POINTER, loc.idx);
4440 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
4443 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4444 return loc.result + 1;
4448 * mono_metadata_interfaces_from_typedef_full:
4449 * @meta: metadata context
4450 * @index: typedef token
4451 * @interfaces: Out parameter used to store the interface array
4452 * @count: Out parameter used to store the number of interfaces
4453 * @heap_alloc_result: if TRUE the result array will be g_malloc'd
4454 * @context: The generic context
4456 * The array of interfaces that the @index typedef token implements is returned in
4457 * @interfaces. The number of elements in the array is returned in @count.
4460 * Returns: TRUE on success, FALSE on failure.
4463 mono_metadata_interfaces_from_typedef_full (MonoImage *meta, guint32 index, MonoClass ***interfaces, guint *count, gboolean heap_alloc_result, MonoGenericContext *context, MonoError *error)
4465 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
4468 guint32 cols [MONO_INTERFACEIMPL_SIZE];
4479 loc.idx = mono_metadata_token_index (index);
4480 loc.col_idx = MONO_INTERFACEIMPL_CLASS;
4483 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4488 * We may end up in the middle of the rows...
4491 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_INTERFACEIMPL_CLASS))
4497 while (pos < tdef->rows) {
4498 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4499 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4504 if (heap_alloc_result)
4505 result = g_new0 (MonoClass*, pos - start);
4507 result = (MonoClass **)mono_image_alloc0 (meta, sizeof (MonoClass*) * (pos - start));
4510 while (pos < tdef->rows) {
4513 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4514 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4516 iface = mono_class_get_and_inflate_typespec_checked (
4517 meta, mono_metadata_token_from_dor (cols [MONO_INTERFACEIMPL_INTERFACE]), context, error);
4520 result [pos - start] = iface;
4523 *count = pos - start;
4524 *interfaces = result;
4529 * mono_metadata_interfaces_from_typedef:
4530 * \param meta metadata context
4531 * \param index typedef token
4532 * \param count Out parameter used to store the number of interfaces
4534 * The array of interfaces that the \p index typedef token implements is returned in
4535 * \p interfaces. The number of elements in the array is returned in \p count. The returned
4536 * array is allocated with \c g_malloc and the caller must free it.
4538 * LOCKING: Acquires the loader lock .
4540 * \returns the interface array on success, NULL on failure.
4543 mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
4546 MonoClass **interfaces = NULL;
4549 rv = mono_metadata_interfaces_from_typedef_full (meta, index, &interfaces, count, TRUE, NULL, &error);
4550 g_assert (mono_error_ok (&error)); /* FIXME dont swallow the error */
4558 * mono_metadata_nested_in_typedef:
4559 * \param meta metadata context
4560 * \param index typedef token
4561 * \returns the 1-based index into the TypeDef table of the type
4562 * where the type described by \p index is nested.
4563 * Returns 0 if \p index describes a non-nested type.
4566 mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
4568 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4574 loc.idx = mono_metadata_token_index (index);
4575 loc.col_idx = MONO_NESTED_CLASS_NESTED;
4578 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4581 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4582 return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
4586 * mono_metadata_nesting_typedef:
4587 * \param meta metadata context
4588 * \param index typedef token
4589 * \returns the 1-based index into the \c TypeDef table of the first type
4590 * that is nested inside the type described by \p index. The search starts at
4591 * \p start_index. Returns 0 if no such type is found.
4594 mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
4596 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4598 guint32 class_index = mono_metadata_token_index (index);
4603 start = start_index;
4605 while (start <= tdef->rows) {
4606 if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
4612 if (start > tdef->rows)
4619 * mono_metadata_packing_from_typedef:
4620 * \param meta metadata context
4621 * \param index token representing a type
4622 * \returns the info stored in the \c ClassLayout table for the given typedef token
4623 * into the \p packing and \p size pointers.
4624 * Returns 0 if the info is not found.
4627 mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
4629 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
4631 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
4636 loc.idx = mono_metadata_token_index (index);
4637 loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
4640 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4643 mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
4645 *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
4647 *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
4649 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4650 return loc.result + 1;
4654 * mono_metadata_custom_attrs_from_index:
4655 * \param meta metadata context
4656 * \param index token representing the parent
4657 * \returns: the 1-based index into the \c CustomAttribute table of the first
4658 * attribute which belongs to the metadata object described by \p index.
4659 * Returns 0 if no such attribute is found.
4662 mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
4664 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
4671 loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
4674 /* FIXME: Index translation */
4676 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4679 /* Find the first entry by searching backwards */
4680 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
4683 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4684 return loc.result + 1;
4688 * mono_metadata_declsec_from_index:
4689 * \param meta metadata context
4690 * \param index token representing the parent
4691 * \returns the 0-based index into the \c DeclarativeSecurity table of the first
4692 * attribute which belongs to the metadata object described by \p index.
4693 * Returns \c -1 if no such attribute is found.
4696 mono_metadata_declsec_from_index (MonoImage *meta, guint32 index)
4698 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_DECLSECURITY];
4705 loc.col_idx = MONO_DECL_SECURITY_PARENT;
4708 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, declsec_locator))
4711 /* Find the first entry by searching backwards */
4712 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_DECL_SECURITY_PARENT) == index))
4719 * mono_metadata_localscope_from_methoddef:
4720 * @meta: metadata context
4721 * @index: methoddef index
4723 * Returns: the 1-based index into the LocalScope table of the first
4724 * scope which belongs to the method described by @index.
4725 * Returns 0 if no such row is found.
4728 mono_metadata_localscope_from_methoddef (MonoImage *meta, guint32 index)
4730 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_LOCALSCOPE];
4737 loc.col_idx = MONO_LOCALSCOPE_METHOD;
4740 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4743 /* Find the first entry by searching backwards */
4744 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_LOCALSCOPE_METHOD) == index))
4747 return loc.result + 1;
4752 mono_backtrace (int limit)
4757 backtrace (array, limit);
4758 names = backtrace_symbols (array, limit);
4759 for (i =0; i < limit; ++i) {
4760 g_print ("\t%s\n", names [i]);
4766 static int i8_align;
4769 * mono_type_set_alignment:
4771 * Set the alignment used by runtime to layout fields etc. of type TYPE to ALIGN.
4772 * This should only be used in AOT mode since the resulting layout will not match the
4776 mono_type_set_alignment (MonoTypeEnum type, int align)
4778 /* Support only a few types whose alignment is abi dependent */
4784 g_assert_not_reached ();
4791 * \param t the type to return the size of
4792 * \returns The number of bytes required to hold an instance of this
4796 mono_type_size (MonoType *t, int *align)
4798 MonoTypeEnum simple_type;
4805 *align = MONO_ABI_ALIGNOF (gpointer);
4806 return MONO_ABI_SIZEOF (gpointer);
4809 simple_type = t->type;
4811 switch (simple_type) {
4812 case MONO_TYPE_VOID:
4815 case MONO_TYPE_BOOLEAN:
4816 *align = MONO_ABI_ALIGNOF (gint8);
4820 *align = MONO_ABI_ALIGNOF (gint8);
4822 case MONO_TYPE_CHAR:
4825 *align = MONO_ABI_ALIGNOF (gint16);
4829 *align = MONO_ABI_ALIGNOF (gint32);
4832 *align = MONO_ABI_ALIGNOF (float);
4836 *align = MONO_ABI_ALIGNOF (gint64);
4839 *align = MONO_ABI_ALIGNOF (double);
4843 *align = MONO_ABI_ALIGNOF (gpointer);
4844 return MONO_ABI_SIZEOF (gpointer);
4845 case MONO_TYPE_VALUETYPE: {
4846 if (t->data.klass->enumtype)
4847 return mono_type_size (mono_class_enum_basetype (t->data.klass), align);
4849 return mono_class_value_size (t->data.klass, (guint32*)align);
4851 case MONO_TYPE_STRING:
4852 case MONO_TYPE_OBJECT:
4853 case MONO_TYPE_CLASS:
4854 case MONO_TYPE_SZARRAY:
4856 case MONO_TYPE_FNPTR:
4857 case MONO_TYPE_ARRAY:
4858 *align = MONO_ABI_ALIGNOF (gpointer);
4859 return MONO_ABI_SIZEOF (gpointer);
4860 case MONO_TYPE_TYPEDBYREF:
4861 return mono_class_value_size (mono_defaults.typed_reference_class, (guint32*)align);
4862 case MONO_TYPE_GENERICINST: {
4863 MonoGenericClass *gclass = t->data.generic_class;
4864 MonoClass *container_class = gclass->container_class;
4866 // g_assert (!gclass->inst->is_open);
4868 if (container_class->valuetype) {
4869 if (container_class->enumtype)
4870 return mono_type_size (mono_class_enum_basetype (container_class), align);
4872 return mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4874 *align = MONO_ABI_ALIGNOF (gpointer);
4875 return MONO_ABI_SIZEOF (gpointer);
4879 case MONO_TYPE_MVAR:
4880 if (!t->data.generic_param->gshared_constraint || t->data.generic_param->gshared_constraint->type == MONO_TYPE_VALUETYPE) {
4881 *align = MONO_ABI_ALIGNOF (gpointer);
4882 return MONO_ABI_SIZEOF (gpointer);
4884 /* The gparam can only match types given by gshared_constraint */
4885 return mono_type_size (t->data.generic_param->gshared_constraint, align);
4889 g_error ("mono_type_size: type 0x%02x unknown", t->type);
4895 * mono_type_stack_size:
4896 * \param t the type to return the size it uses on the stack
4897 * \returns The number of bytes required to hold an instance of this
4898 * type on the runtime stack
4901 mono_type_stack_size (MonoType *t, int *align)
4903 return mono_type_stack_size_internal (t, align, FALSE);
4907 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open)
4910 MonoTypeEnum simple_type;
4911 #if SIZEOF_VOID_P == SIZEOF_REGISTER
4912 int stack_slot_size = MONO_ABI_SIZEOF (gpointer);
4913 int stack_slot_align = MONO_ABI_ALIGNOF (gpointer);
4914 #elif SIZEOF_VOID_P < SIZEOF_REGISTER
4915 int stack_slot_size = SIZEOF_REGISTER;
4916 int stack_slot_align = SIZEOF_REGISTER;
4919 g_assert (t != NULL);
4925 *align = stack_slot_align;
4926 return stack_slot_size;
4929 simple_type = t->type;
4930 switch (simple_type) {
4931 case MONO_TYPE_BOOLEAN:
4932 case MONO_TYPE_CHAR:
4941 case MONO_TYPE_STRING:
4942 case MONO_TYPE_OBJECT:
4943 case MONO_TYPE_CLASS:
4944 case MONO_TYPE_SZARRAY:
4946 case MONO_TYPE_FNPTR:
4947 case MONO_TYPE_ARRAY:
4948 *align = stack_slot_align;
4949 return stack_slot_size;
4951 case MONO_TYPE_MVAR:
4952 g_assert (allow_open);
4953 if (!t->data.generic_param->gshared_constraint || t->data.generic_param->gshared_constraint->type == MONO_TYPE_VALUETYPE) {
4954 *align = stack_slot_align;
4955 return stack_slot_size;
4957 /* The gparam can only match types given by gshared_constraint */
4958 return mono_type_stack_size_internal (t->data.generic_param->gshared_constraint, align, allow_open);
4960 case MONO_TYPE_TYPEDBYREF:
4961 *align = stack_slot_align;
4962 return stack_slot_size * 3;
4964 *align = MONO_ABI_ALIGNOF (float);
4965 return sizeof (float);
4968 *align = MONO_ABI_ALIGNOF (gint64);
4969 return sizeof (gint64);
4971 *align = MONO_ABI_ALIGNOF (double);
4972 return sizeof (double);
4973 case MONO_TYPE_VALUETYPE: {
4976 if (t->data.klass->enumtype)
4977 return mono_type_stack_size_internal (mono_class_enum_basetype (t->data.klass), align, allow_open);
4979 size = mono_class_value_size (t->data.klass, (guint32*)align);
4981 *align = *align + stack_slot_align - 1;
4982 *align &= ~(stack_slot_align - 1);
4984 size += stack_slot_size - 1;
4985 size &= ~(stack_slot_size - 1);
4990 case MONO_TYPE_GENERICINST: {
4991 MonoGenericClass *gclass = t->data.generic_class;
4992 MonoClass *container_class = gclass->container_class;
4995 g_assert (!gclass->context.class_inst->is_open);
4997 if (container_class->valuetype) {
4998 if (container_class->enumtype)
4999 return mono_type_stack_size_internal (mono_class_enum_basetype (container_class), align, allow_open);
5001 guint32 size = mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
5003 *align = *align + stack_slot_align - 1;
5004 *align &= ~(stack_slot_align - 1);
5006 size += stack_slot_size - 1;
5007 size &= ~(stack_slot_size - 1);
5012 *align = stack_slot_align;
5013 return stack_slot_size;
5017 g_error ("type 0x%02x unknown", t->type);
5023 mono_type_generic_inst_is_valuetype (MonoType *type)
5025 g_assert (type->type == MONO_TYPE_GENERICINST);
5026 return type->data.generic_class->container_class->valuetype;
5030 * mono_metadata_generic_class_is_valuetype:
5033 mono_metadata_generic_class_is_valuetype (MonoGenericClass *gclass)
5035 return gclass->container_class->valuetype;
5039 _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2, gboolean signature_only)
5041 MonoGenericInst *i1 = g1->context.class_inst;
5042 MonoGenericInst *i2 = g2->context.class_inst;
5044 if (g1->is_dynamic != g2->is_dynamic)
5046 if (!mono_metadata_class_equal (g1->container_class, g2->container_class, signature_only))
5048 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
5050 return g1->is_tb_open == g2->is_tb_open;
5054 _mono_metadata_generic_class_container_equal (const MonoGenericClass *g1, MonoClass *c2, gboolean signature_only)
5056 MonoGenericInst *i1 = g1->context.class_inst;
5057 MonoGenericInst *i2 = mono_class_get_generic_container (c2)->context.class_inst;
5059 if (!mono_metadata_class_equal (g1->container_class, c2, signature_only))
5061 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
5063 return !g1->is_tb_open;
5067 mono_metadata_generic_context_hash (const MonoGenericContext *context)
5069 /* FIXME: check if this seed is good enough */
5070 guint hash = 0xc01dfee7;
5071 if (context->class_inst)
5072 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->class_inst);
5073 if (context->method_inst)
5074 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->method_inst);
5079 mono_metadata_generic_context_equal (const MonoGenericContext *g1, const MonoGenericContext *g2)
5081 return g1->class_inst == g2->class_inst && g1->method_inst == g2->method_inst;
5085 * mono_metadata_str_hash:
5087 * This should be used instead of g_str_hash for computing hash codes visible
5088 * outside this module, since g_str_hash () is not guaranteed to be stable
5089 * (its not the same in eglib for example).
5092 mono_metadata_str_hash (gconstpointer v1)
5094 /* Same as g_str_hash () in glib */
5095 char *p = (char *) v1;
5100 hash = (hash << 5) - hash + *p;
5107 * mono_metadata_type_hash:
5109 * Computes a hash value for \p t1 to be used in \c GHashTable.
5110 * The returned hash is guaranteed to be the same across executions.
5113 mono_metadata_type_hash (MonoType *t1)
5115 guint hash = t1->type;
5117 hash |= t1->byref << 6; /* do not collide with t1->type values */
5119 case MONO_TYPE_VALUETYPE:
5120 case MONO_TYPE_CLASS:
5121 case MONO_TYPE_SZARRAY: {
5122 MonoClass *klass = t1->data.klass;
5124 * Dynamic classes must not be hashed on their type since it can change
5125 * during runtime. For example, if we hash a reference type that is
5126 * later made into a valuetype.
5128 * This is specially problematic with generic instances since they are
5129 * inserted in a bunch of hash tables before been finished.
5131 if (image_is_dynamic (klass->image))
5132 return (t1->byref << 6) | mono_metadata_str_hash (klass->name);
5133 return ((hash << 5) - hash) ^ mono_metadata_str_hash (klass->name);
5136 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
5137 case MONO_TYPE_ARRAY:
5138 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
5139 case MONO_TYPE_GENERICINST:
5140 return ((hash << 5) - hash) ^ mono_generic_class_hash (t1->data.generic_class);
5142 case MONO_TYPE_MVAR:
5143 return ((hash << 5) - hash) ^ mono_metadata_generic_param_hash (t1->data.generic_param);
5150 mono_metadata_generic_param_hash (MonoGenericParam *p)
5153 MonoGenericParamInfo *info;
5155 hash = (mono_generic_param_num (p) << 2);
5156 if (p->gshared_constraint)
5157 hash = ((hash << 5) - hash) ^ mono_metadata_type_hash (p->gshared_constraint);
5158 info = mono_generic_param_info (p);
5159 /* Can't hash on the owner klass/method, since those might not be set when this is called */
5161 hash = ((hash << 5) - hash) ^ info->token;
5166 mono_metadata_generic_param_equal_internal (MonoGenericParam *p1, MonoGenericParam *p2, gboolean signature_only)
5170 if (mono_generic_param_num (p1) != mono_generic_param_num (p2))
5172 if (p1->gshared_constraint && p2->gshared_constraint) {
5173 if (!mono_metadata_type_equal (p1->gshared_constraint, p2->gshared_constraint))
5176 if (p1->gshared_constraint != p2->gshared_constraint)
5181 * We have to compare the image as well because if we didn't,
5182 * the generic_inst_cache lookup wouldn't care about the image
5183 * of generic params, so what could happen is that a generic
5184 * inst with params from image A is put into the cache, then
5185 * image B gets that generic inst from the cache, image A is
5186 * unloaded, so the inst is deleted, but image B still retains
5189 if (mono_generic_param_owner (p1) == mono_generic_param_owner (p2))
5193 * If `signature_only' is true, we're comparing two (method) signatures.
5194 * In this case, the owner of two type parameters doesn't need to match.
5197 return signature_only;
5201 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2)
5203 return mono_metadata_generic_param_equal_internal (p1, p2, TRUE);
5207 mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only)
5211 if (mono_class_is_ginst (c1) && mono_class_is_ginst (c2))
5212 return _mono_metadata_generic_class_equal (mono_class_get_generic_class (c1), mono_class_get_generic_class (c2), signature_only);
5213 if (mono_class_is_ginst (c1) && mono_class_is_gtd (c2))
5214 return _mono_metadata_generic_class_container_equal (mono_class_get_generic_class (c1), c2, signature_only);
5215 if (mono_class_is_gtd (c1) && mono_class_is_ginst (c2))
5216 return _mono_metadata_generic_class_container_equal (mono_class_get_generic_class (c2), c1, signature_only);
5217 if ((c1->byval_arg.type == MONO_TYPE_VAR) && (c2->byval_arg.type == MONO_TYPE_VAR))
5218 return mono_metadata_generic_param_equal_internal (
5219 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
5220 if ((c1->byval_arg.type == MONO_TYPE_MVAR) && (c2->byval_arg.type == MONO_TYPE_MVAR))
5221 return mono_metadata_generic_param_equal_internal (
5222 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
5223 if (signature_only &&
5224 (c1->byval_arg.type == MONO_TYPE_SZARRAY) && (c2->byval_arg.type == MONO_TYPE_SZARRAY))
5225 return mono_metadata_class_equal (c1->byval_arg.data.klass, c2->byval_arg.data.klass, signature_only);
5226 if (signature_only &&
5227 (c1->byval_arg.type == MONO_TYPE_ARRAY) && (c2->byval_arg.type == MONO_TYPE_ARRAY))
5228 return do_mono_metadata_type_equal (&c1->byval_arg, &c2->byval_arg, signature_only);
5233 mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only)
5235 gpointer iter1 = 0, iter2 = 0;
5239 if (s1->call_convention != s2->call_convention)
5241 if (s1->sentinelpos != s2->sentinelpos)
5243 if (s1->hasthis != s2->hasthis)
5245 if (s1->explicit_this != s2->explicit_this)
5247 if (! do_mono_metadata_type_equal (s1->ret, s2->ret, signature_only))
5249 if (s1->param_count != s2->param_count)
5253 MonoType *t1 = mono_signature_get_params (s1, &iter1);
5254 MonoType *t2 = mono_signature_get_params (s2, &iter2);
5256 if (t1 == NULL || t2 == NULL)
5258 if (! do_mono_metadata_type_equal (t1, t2, signature_only))
5264 * mono_metadata_type_equal:
5267 * @signature_only: If true, treat ginsts as equal which are instantiated separately but have equal positional value
5269 * Determine if @t1 and @t2 represent the same type.
5270 * Returns: #TRUE if @t1 and @t2 are equal.
5273 do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only)
5275 if (t1->type != t2->type || t1->byref != t2->byref)
5279 case MONO_TYPE_VOID:
5280 case MONO_TYPE_BOOLEAN:
5281 case MONO_TYPE_CHAR:
5292 case MONO_TYPE_STRING:
5295 case MONO_TYPE_OBJECT:
5296 case MONO_TYPE_TYPEDBYREF:
5298 case MONO_TYPE_VALUETYPE:
5299 case MONO_TYPE_CLASS:
5300 case MONO_TYPE_SZARRAY:
5301 return mono_metadata_class_equal (t1->data.klass, t2->data.klass, signature_only);
5303 return do_mono_metadata_type_equal (t1->data.type, t2->data.type, signature_only);
5304 case MONO_TYPE_ARRAY:
5305 if (t1->data.array->rank != t2->data.array->rank)
5307 return mono_metadata_class_equal (t1->data.array->eklass, t2->data.array->eklass, signature_only);
5308 case MONO_TYPE_GENERICINST:
5309 return _mono_metadata_generic_class_equal (
5310 t1->data.generic_class, t2->data.generic_class, signature_only);
5312 return mono_metadata_generic_param_equal_internal (
5313 t1->data.generic_param, t2->data.generic_param, signature_only);
5314 case MONO_TYPE_MVAR:
5315 return mono_metadata_generic_param_equal_internal (
5316 t1->data.generic_param, t2->data.generic_param, signature_only);
5317 case MONO_TYPE_FNPTR:
5318 return mono_metadata_fnptr_equal (t1->data.method, t2->data.method, signature_only);
5320 g_error ("implement type compare for %0x!", t1->type);
5328 * mono_metadata_type_equal:
5331 mono_metadata_type_equal (MonoType *t1, MonoType *t2)
5333 return do_mono_metadata_type_equal (t1, t2, FALSE);
5337 * mono_metadata_type_equal_full:
5339 * \param t2 another type
5340 * \param signature_only if signature only comparison should be made
5342 * Determine if \p t1 and \p t2 are signature compatible if \p signature_only is TRUE, otherwise
5343 * behaves the same way as mono_metadata_type_equal.
5344 * The function mono_metadata_type_equal(a, b) is just a shortcut for mono_metadata_type_equal_full(a, b, FALSE).
5345 * \returns TRUE if \p t1 and \p t2 are equal taking \p signature_only into account.
5348 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only)
5350 return do_mono_metadata_type_equal (t1, t2, signature_only);
5354 * mono_metadata_signature_equal:
5355 * \param sig1 a signature
5356 * \param sig2 another signature
5358 * Determine if \p sig1 and \p sig2 represent the same signature, with the
5359 * same number of arguments and the same types.
5360 * \returns TRUE if \p sig1 and \p sig2 are equal.
5363 mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
5367 if (sig1->hasthis != sig2->hasthis || sig1->param_count != sig2->param_count)
5370 if (sig1->generic_param_count != sig2->generic_param_count)
5374 * We're just comparing the signatures of two methods here:
5376 * If we have two generic methods `void Foo<U> (U u)' and `void Bar<V> (V v)',
5377 * U and V are equal here.
5379 * That's what the `signature_only' argument of do_mono_metadata_type_equal() is for.
5382 for (i = 0; i < sig1->param_count; i++) {
5383 MonoType *p1 = sig1->params[i];
5384 MonoType *p2 = sig2->params[i];
5386 /* if (p1->attrs != p2->attrs)
5389 if (!do_mono_metadata_type_equal (p1, p2, TRUE))
5393 if (!do_mono_metadata_type_equal (sig1->ret, sig2->ret, TRUE))
5399 * mono_metadata_type_dup:
5400 * \param image image to alloc memory from
5401 * \param original type to duplicate
5402 * \returns copy of type allocated from the image's mempool (or from the heap, if \p image is null).
5405 mono_metadata_type_dup (MonoImage *image, const MonoType *o)
5408 int sizeof_o = MONO_SIZEOF_TYPE;
5410 sizeof_o += o->num_mods * sizeof (MonoCustomMod);
5412 r = image ? (MonoType *)mono_image_alloc0 (image, sizeof_o) : (MonoType *)g_malloc (sizeof_o);
5414 memcpy (r, o, sizeof_o);
5416 if (o->type == MONO_TYPE_PTR) {
5417 r->data.type = mono_metadata_type_dup (image, o->data.type);
5418 } else if (o->type == MONO_TYPE_ARRAY) {
5419 r->data.array = mono_dup_array_type (image, o->data.array);
5420 } else if (o->type == MONO_TYPE_FNPTR) {
5421 /*FIXME the dup'ed signature is leaked mono_metadata_free_type*/
5422 r->data.method = mono_metadata_signature_deep_dup (image, o->data.method);
5428 * mono_signature_hash:
5431 mono_signature_hash (MonoMethodSignature *sig)
5433 guint i, res = sig->ret->type;
5435 for (i = 0; i < sig->param_count; i++)
5436 res = (res << 5) - res + mono_type_hash (sig->params[i]);
5442 * mono_metadata_encode_value:
5443 * @value: value to encode
5444 * @buf: buffer where to write the compressed representation
5445 * @endbuf: pointer updated to point at the end of the encoded output
5447 * Encodes the value @value in the compressed representation used
5448 * in metadata and stores the result in @buf. @buf needs to be big
5449 * enough to hold the data (4 bytes).
5452 mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
5458 else if (value < 0x4000) {
5459 p [0] = 0x80 | (value >> 8);
5460 p [1] = value & 0xff;
5463 p [0] = (value >> 24) | 0xc0;
5464 p [1] = (value >> 16) & 0xff;
5465 p [2] = (value >> 8) & 0xff;
5466 p [3] = value & 0xff;
5474 * mono_metadata_field_info:
5475 * \param meta the Image the field is defined in
5476 * \param index the index in the field table representing the field
5477 * \param offset a pointer to an integer where to store the offset that may have been specified for the field in a FieldLayout table
5478 * \param rva a pointer to the RVA of the field data in the image that may have been defined in a \c FieldRVA table
5479 * \param marshal_spec a pointer to the marshal spec that may have been defined for the field in a \c FieldMarshal table.
5481 * Gather info for field \p index that may have been defined in the \c FieldLayout,
5482 * \c FieldRVA and \c FieldMarshal tables.
5483 * Either of \p offset, \p rva and \p marshal_spec can be NULL if you're not interested
5487 mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5488 MonoMarshalSpec **marshal_spec)
5490 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, FALSE);
5494 mono_metadata_field_info_with_mempool (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5495 MonoMarshalSpec **marshal_spec)
5497 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, TRUE);
5501 mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5502 MonoMarshalSpec **marshal_spec, gboolean alloc_from_image)
5504 MonoTableInfo *tdef;
5507 loc.idx = index + 1;
5508 if (meta->uncompressed_metadata)
5509 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
5512 tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
5514 loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
5517 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5518 *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
5520 *offset = (guint32)-1;
5524 tdef = &meta->tables [MONO_TABLE_FIELDRVA];
5526 loc.col_idx = MONO_FIELD_RVA_FIELD;
5529 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5531 * LAMESPEC: There is no signature, no nothing, just the raw data.
5533 *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
5541 if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
5542 *marshal_spec = mono_metadata_parse_marshal_spec_full (alloc_from_image ? meta : NULL, meta, p);
5549 * mono_metadata_get_constant_index:
5550 * \param meta the Image the field is defined in
5551 * \param index the token that may have a row defined in the constants table
5552 * \param hint possible position for the row
5554 * \p token must be a \c FieldDef, \c ParamDef or \c PropertyDef token.
5556 * \returns the index into the \c Constants table or 0 if not found.
5559 mono_metadata_get_constant_index (MonoImage *meta, guint32 token, guint32 hint)
5561 MonoTableInfo *tdef;
5563 guint32 index = mono_metadata_token_index (token);
5565 tdef = &meta->tables [MONO_TABLE_CONSTANT];
5566 index <<= MONO_HASCONSTANT_BITS;
5567 switch (mono_metadata_token_table (token)) {
5568 case MONO_TABLE_FIELD:
5569 index |= MONO_HASCONSTANT_FIEDDEF;
5571 case MONO_TABLE_PARAM:
5572 index |= MONO_HASCONSTANT_PARAM;
5574 case MONO_TABLE_PROPERTY:
5575 index |= MONO_HASCONSTANT_PROPERTY;
5578 g_warning ("Not a valid token for the constant table: 0x%08x", token);
5582 loc.col_idx = MONO_CONSTANT_PARENT;
5585 /* FIXME: Index translation */
5587 if ((hint > 0) && (hint < tdef->rows) && (mono_metadata_decode_row_col (tdef, hint - 1, MONO_CONSTANT_PARENT) == index))
5590 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5591 return loc.result + 1;
5597 * mono_metadata_events_from_typedef:
5598 * \param meta metadata context
5599 * \param index 0-based index (in the \c TypeDef table) describing a type
5600 * \returns the 0-based index in the \c Event table for the events in the
5601 * type. The last event that belongs to the type (plus 1) is stored
5602 * in the \p end_idx pointer.
5605 mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5609 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
5617 loc.col_idx = MONO_EVENT_MAP_PARENT;
5618 loc.idx = index + 1;
5620 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5623 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
5624 if (loc.result + 1 < tdef->rows) {
5625 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
5627 end = meta->tables [MONO_TABLE_EVENT].rows;
5635 * mono_metadata_methods_from_event:
5636 * \param meta metadata context
5637 * \param index 0-based index (in the \c Event table) describing a event
5638 * \returns the 0-based index in the \c MethodDef table for the methods in the
5639 * event. The last method that belongs to the event (plus 1) is stored
5640 * in the \p end_idx pointer.
5643 mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
5647 guint32 cols [MONO_METHOD_SEMA_SIZE];
5648 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5654 if (meta->uncompressed_metadata)
5655 index = search_ptr_table (meta, MONO_TABLE_EVENT_POINTER, index + 1) - 1;
5658 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5659 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_EVENT; /* Method association coded index */
5661 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5666 * We may end up in the middle of the rows...
5669 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5675 while (end < msemt->rows) {
5676 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5677 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5686 * mono_metadata_properties_from_typedef:
5687 * \param meta metadata context
5688 * \param index 0-based index (in the \c TypeDef table) describing a type
5689 * \returns the 0-based index in the \c Property table for the properties in the
5690 * type. The last property that belongs to the type (plus 1) is stored
5691 * in the \p end_idx pointer.
5694 mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5698 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
5706 loc.col_idx = MONO_PROPERTY_MAP_PARENT;
5707 loc.idx = index + 1;
5709 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5712 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
5713 if (loc.result + 1 < tdef->rows) {
5714 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
5716 end = meta->tables [MONO_TABLE_PROPERTY].rows;
5724 * mono_metadata_methods_from_property:
5725 * \param meta metadata context
5726 * \param index 0-based index (in the \c PropertyDef table) describing a property
5727 * \returns the 0-based index in the \c MethodDef table for the methods in the
5728 * property. The last method that belongs to the property (plus 1) is stored
5729 * in the \p end_idx pointer.
5732 mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
5736 guint32 cols [MONO_METHOD_SEMA_SIZE];
5737 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5743 if (meta->uncompressed_metadata)
5744 index = search_ptr_table (meta, MONO_TABLE_PROPERTY_POINTER, index + 1) - 1;
5747 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5748 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_PROPERTY; /* Method association coded index */
5750 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5755 * We may end up in the middle of the rows...
5758 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5764 while (end < msemt->rows) {
5765 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5766 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5775 * mono_metadata_implmap_from_method:
5778 mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
5781 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
5786 /* No index translation seems to be needed */
5789 loc.col_idx = MONO_IMPLMAP_MEMBER;
5790 loc.idx = ((method_idx + 1) << MONO_MEMBERFORWD_BITS) | MONO_MEMBERFORWD_METHODDEF;
5792 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5795 return loc.result + 1;
5799 * mono_type_create_from_typespec:
5800 * \param image context where the image is created
5801 * \param type_spec typespec token
5802 * \deprecated use \c mono_type_create_from_typespec_checked that has proper error handling
5804 * Creates a \c MonoType representing the \c TypeSpec indexed by the \p type_spec
5808 mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
5811 MonoType *type = mono_type_create_from_typespec_checked (image, type_spec, &error);
5813 g_error ("Could not create typespec %x due to %s", type_spec, mono_error_get_message (&error));
5818 mono_type_create_from_typespec_checked (MonoImage *image, guint32 type_spec, MonoError *error)
5821 guint32 idx = mono_metadata_token_index (type_spec);
5823 guint32 cols [MONO_TYPESPEC_SIZE];
5825 MonoType *type, *type2;
5829 type = (MonoType *)mono_conc_hashtable_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5833 t = &image->tables [MONO_TABLE_TYPESPEC];
5835 mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
5836 ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
5838 if (!mono_verifier_verify_typespec_signature (image, cols [MONO_TYPESPEC_SIGNATURE], type_spec, NULL)) {
5839 mono_error_set_bad_image (error, image, "Could not verify type spec %08x.", type_spec);
5843 mono_metadata_decode_value (ptr, &ptr);
5845 type = mono_metadata_parse_type_checked (image, NULL, 0, TRUE, ptr, &ptr, error);
5849 type2 = mono_metadata_type_dup (image, type);
5850 mono_metadata_free_type (type);
5852 mono_image_lock (image);
5854 /* We might leak some data in the image mempool if found */
5855 type = mono_conc_hashtable_insert (image->typespec_cache, GUINT_TO_POINTER (type_spec), type2);
5859 mono_image_unlock (image);
5866 mono_image_strndup (MonoImage *image, const char *data, guint len)
5870 return g_strndup (data, len);
5871 res = (char *)mono_image_alloc (image, len + 1);
5872 memcpy (res, data, len);
5878 * mono_metadata_parse_marshal_spec:
5881 mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
5883 return mono_metadata_parse_marshal_spec_full (NULL, image, ptr);
5887 * If IMAGE is non-null, memory will be allocated from its mempool, otherwise it will be allocated using malloc.
5888 * PARENT_IMAGE is the image containing the marshal spec.
5891 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr)
5893 MonoMarshalSpec *res;
5895 const char *start = ptr;
5897 /* fixme: this is incomplete, but I cant find more infos in the specs */
5900 res = (MonoMarshalSpec *)mono_image_alloc0 (image, sizeof (MonoMarshalSpec));
5902 res = g_new0 (MonoMarshalSpec, 1);
5904 len = mono_metadata_decode_value (ptr, &ptr);
5905 res->native = (MonoMarshalNative)*ptr++;
5907 if (res->native == MONO_NATIVE_LPARRAY) {
5908 res->data.array_data.param_num = -1;
5909 res->data.array_data.num_elem = -1;
5910 res->data.array_data.elem_mult = -1;
5912 if (ptr - start <= len)
5913 res->data.array_data.elem_type = (MonoMarshalNative)*ptr++;
5914 if (ptr - start <= len)
5915 res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
5916 if (ptr - start <= len)
5917 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5918 if (ptr - start <= len) {
5920 * LAMESPEC: Older spec versions say this parameter comes before
5921 * num_elem. Never spec versions don't talk about elem_mult at
5922 * all, but csc still emits it, and it is used to distinguish
5923 * between param_num being 0, and param_num being omitted.
5924 * So if (param_num == 0) && (num_elem > 0), then
5925 * elem_mult == 0 -> the array size is num_elem
5926 * elem_mult == 1 -> the array size is @param_num + num_elem
5928 res->data.array_data.elem_mult = mono_metadata_decode_value (ptr, &ptr);
5932 if (res->native == MONO_NATIVE_BYVALTSTR) {
5933 if (ptr - start <= len)
5934 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5937 if (res->native == MONO_NATIVE_BYVALARRAY) {
5938 if (ptr - start <= len)
5939 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5942 if (res->native == MONO_NATIVE_CUSTOM) {
5943 /* skip unused type guid */
5944 len = mono_metadata_decode_value (ptr, &ptr);
5946 /* skip unused native type name */
5947 len = mono_metadata_decode_value (ptr, &ptr);
5949 /* read custom marshaler type name */
5950 len = mono_metadata_decode_value (ptr, &ptr);
5951 res->data.custom_data.custom_name = mono_image_strndup (image, ptr, len);
5953 /* read cookie string */
5954 len = mono_metadata_decode_value (ptr, &ptr);
5955 res->data.custom_data.cookie = mono_image_strndup (image, ptr, len);
5956 res->data.custom_data.image = parent_image;
5959 if (res->native == MONO_NATIVE_SAFEARRAY) {
5960 res->data.safearray_data.elem_type = (MonoMarshalVariant)0;
5961 res->data.safearray_data.num_elem = 0;
5962 if (ptr - start <= len)
5963 res->data.safearray_data.elem_type = (MonoMarshalVariant)*ptr++;
5964 if (ptr - start <= len)
5965 res->data.safearray_data.num_elem = *ptr++;
5971 * mono_metadata_free_marshal_spec:
5974 mono_metadata_free_marshal_spec (MonoMarshalSpec *spec)
5976 if (spec->native == MONO_NATIVE_CUSTOM) {
5977 g_free (spec->data.custom_data.custom_name);
5978 g_free (spec->data.custom_data.cookie);
5984 * mono_type_to_unmanaged:
5985 * The value pointed to by \p conv will contain the kind of marshalling required for this
5986 * particular type one of the \c MONO_MARSHAL_CONV_ enumeration values.
5987 * \returns A \c MonoMarshalNative enumeration value (<code>MONO_NATIVE_</code>) value
5988 * describing the underlying native reprensetation of the type.
5991 mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
5992 gboolean unicode, MonoMarshalConv *conv)
5994 MonoMarshalConv dummy_conv;
6000 *conv = MONO_MARSHAL_CONV_NONE;
6003 return MONO_NATIVE_UINT;
6007 case MONO_TYPE_BOOLEAN:
6009 switch (mspec->native) {
6010 case MONO_NATIVE_VARIANTBOOL:
6011 *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
6012 return MONO_NATIVE_VARIANTBOOL;
6013 case MONO_NATIVE_BOOLEAN:
6014 *conv = MONO_MARSHAL_CONV_BOOL_I4;
6015 return MONO_NATIVE_BOOLEAN;
6016 case MONO_NATIVE_I1:
6017 case MONO_NATIVE_U1:
6018 return mspec->native;
6020 g_error ("cant marshal bool to native type %02x", mspec->native);
6023 *conv = MONO_MARSHAL_CONV_BOOL_I4;
6024 return MONO_NATIVE_BOOLEAN;
6025 case MONO_TYPE_CHAR:
6027 switch (mspec->native) {
6028 case MONO_NATIVE_U2:
6029 case MONO_NATIVE_U1:
6030 return mspec->native;
6032 g_error ("cant marshal char to native type %02x", mspec->native);
6035 return unicode ? MONO_NATIVE_U2 : MONO_NATIVE_U1;
6036 case MONO_TYPE_I1: return MONO_NATIVE_I1;
6037 case MONO_TYPE_U1: return MONO_NATIVE_U1;
6038 case MONO_TYPE_I2: return MONO_NATIVE_I2;
6039 case MONO_TYPE_U2: return MONO_NATIVE_U2;
6040 case MONO_TYPE_I4: return MONO_NATIVE_I4;
6041 case MONO_TYPE_U4: return MONO_NATIVE_U4;
6042 case MONO_TYPE_I8: return MONO_NATIVE_I8;
6043 case MONO_TYPE_U8: return MONO_NATIVE_U8;
6044 case MONO_TYPE_R4: return MONO_NATIVE_R4;
6045 case MONO_TYPE_R8: return MONO_NATIVE_R8;
6046 case MONO_TYPE_STRING:
6048 switch (mspec->native) {
6049 case MONO_NATIVE_BSTR:
6050 *conv = MONO_MARSHAL_CONV_STR_BSTR;
6051 return MONO_NATIVE_BSTR;
6052 case MONO_NATIVE_LPSTR:
6053 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
6054 return MONO_NATIVE_LPSTR;
6055 case MONO_NATIVE_LPWSTR:
6056 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
6057 return MONO_NATIVE_LPWSTR;
6058 case MONO_NATIVE_LPTSTR:
6059 *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
6060 return MONO_NATIVE_LPTSTR;
6061 case MONO_NATIVE_ANSIBSTR:
6062 *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
6063 return MONO_NATIVE_ANSIBSTR;
6064 case MONO_NATIVE_TBSTR:
6065 *conv = MONO_MARSHAL_CONV_STR_TBSTR;
6066 return MONO_NATIVE_TBSTR;
6067 case MONO_NATIVE_UTF8STR:
6068 *conv = MONO_MARSHAL_CONV_STR_UTF8STR;
6069 return MONO_NATIVE_UTF8STR;
6070 case MONO_NATIVE_BYVALTSTR:
6072 *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
6074 *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
6075 return MONO_NATIVE_BYVALTSTR;
6077 g_error ("Can not marshal string to native type '%02x': Invalid managed/unmanaged type combination (String fields must be paired with LPStr, LPWStr, BStr or ByValTStr).", mspec->native);
6081 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
6082 return MONO_NATIVE_LPWSTR;
6085 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
6086 return MONO_NATIVE_LPSTR;
6088 case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
6089 case MONO_TYPE_VALUETYPE: /*FIXME*/
6090 if (type->data.klass->enumtype) {
6091 t = mono_class_enum_basetype (type->data.klass)->type;
6094 if (type->data.klass == mono_defaults.handleref_class){
6095 *conv = MONO_MARSHAL_CONV_HANDLEREF;
6096 return MONO_NATIVE_INT;
6098 return MONO_NATIVE_STRUCT;
6099 case MONO_TYPE_SZARRAY:
6100 case MONO_TYPE_ARRAY:
6102 switch (mspec->native) {
6103 case MONO_NATIVE_BYVALARRAY:
6104 if ((type->data.klass->element_class == mono_defaults.char_class) && !unicode)
6105 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY;
6107 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
6108 return MONO_NATIVE_BYVALARRAY;
6109 case MONO_NATIVE_SAFEARRAY:
6110 *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
6111 return MONO_NATIVE_SAFEARRAY;
6112 case MONO_NATIVE_LPARRAY:
6113 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
6114 return MONO_NATIVE_LPARRAY;
6116 g_error ("cant marshal array as native type %02x", mspec->native);
6120 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
6121 return MONO_NATIVE_LPARRAY;
6122 case MONO_TYPE_I: return MONO_NATIVE_INT;
6123 case MONO_TYPE_U: return MONO_NATIVE_UINT;
6124 case MONO_TYPE_CLASS:
6125 case MONO_TYPE_OBJECT: {
6126 /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
6128 switch (mspec->native) {
6129 case MONO_NATIVE_STRUCT:
6130 return MONO_NATIVE_STRUCT;
6131 case MONO_NATIVE_CUSTOM:
6132 return MONO_NATIVE_CUSTOM;
6133 case MONO_NATIVE_INTERFACE:
6134 *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
6135 return MONO_NATIVE_INTERFACE;
6136 case MONO_NATIVE_IDISPATCH:
6137 *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
6138 return MONO_NATIVE_IDISPATCH;
6139 case MONO_NATIVE_IUNKNOWN:
6140 *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
6141 return MONO_NATIVE_IUNKNOWN;
6142 case MONO_NATIVE_FUNC:
6143 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
6144 type->data.klass == mono_defaults.delegate_class ||
6145 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
6146 *conv = MONO_MARSHAL_CONV_DEL_FTN;
6147 return MONO_NATIVE_FUNC;
6151 g_error ("cant marshal object as native type %02x", mspec->native);
6154 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
6155 type->data.klass == mono_defaults.delegate_class ||
6156 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
6157 *conv = MONO_MARSHAL_CONV_DEL_FTN;
6158 return MONO_NATIVE_FUNC;
6160 if (mono_class_try_get_safehandle_class () && type->data.klass == mono_class_try_get_safehandle_class ()){
6161 *conv = MONO_MARSHAL_CONV_SAFEHANDLE;
6162 return MONO_NATIVE_INT;
6164 *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
6165 return MONO_NATIVE_STRUCT;
6167 case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
6168 case MONO_TYPE_GENERICINST:
6169 type = &type->data.generic_class->container_class->byval_arg;
6172 case MONO_TYPE_TYPEDBYREF:
6174 g_error ("type 0x%02x not handled in marshal", t);
6176 return MONO_NATIVE_MAX;
6180 * mono_metadata_get_marshal_info:
6183 mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
6186 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
6192 loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
6193 loc.idx = ((idx + 1) << MONO_HAS_FIELD_MARSHAL_BITS) | (is_field? MONO_HAS_FIELD_MARSHAL_FIELDSREF: MONO_HAS_FIELD_MARSHAL_PARAMDEF);
6195 /* FIXME: Index translation */
6197 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6200 return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
6204 method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context, MonoError *error)
6206 MonoMethod *result = NULL;
6207 guint32 idx = tok >> MONO_METHODDEFORREF_BITS;
6211 switch (tok & MONO_METHODDEFORREF_MASK) {
6212 case MONO_METHODDEFORREF_METHODDEF:
6213 result = mono_get_method_checked (m, MONO_TOKEN_METHOD_DEF | idx, NULL, context, error);
6215 case MONO_METHODDEFORREF_METHODREF:
6216 result = mono_get_method_checked (m, MONO_TOKEN_MEMBER_REF | idx, NULL, context, error);
6219 mono_error_set_bad_image (error, m, "Invalid MethodDefOfRef token %x", tok);
6226 * mono_class_get_overrides_full:
6228 * Return the method overrides belonging to class @type_token in @overrides, and
6229 * the number of overrides in @num_overrides.
6231 * Returns: TRUE on success, FALSE on failure.
6234 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
6235 MonoGenericContext *generic_context)
6239 MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
6242 guint32 cols [MONO_METHODIMPL_SIZE];
6243 MonoMethod **result;
6254 loc.col_idx = MONO_METHODIMPL_CLASS;
6255 loc.idx = mono_metadata_token_index (type_token);
6257 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6263 * We may end up in the middle of the rows...
6266 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
6271 while (end < tdef->rows) {
6272 if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
6278 result = g_new (MonoMethod*, num * 2);
6279 for (i = 0; i < num; ++i) {
6282 if (!mono_verifier_verify_methodimpl_row (image, start + i, &error)) {
6283 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6288 mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
6289 method = method_from_method_def_or_ref (
6290 image, cols [MONO_METHODIMPL_DECLARATION], generic_context, &error);
6291 if (method == NULL) {
6292 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6295 result [i * 2] = method;
6296 method = method_from_method_def_or_ref (
6297 image, cols [MONO_METHODIMPL_BODY], generic_context, &error);
6298 if (method == NULL) {
6299 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6302 result [i * 2 + 1] = method;
6305 *overrides = result;
6307 *num_overrides = num;
6312 * mono_guid_to_string:
6314 * Converts a 16 byte Microsoft GUID to the standard string representation.
6317 mono_guid_to_string (const guint8 *guid)
6319 return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
6320 guid[3], guid[2], guid[1], guid[0],
6324 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
6328 * mono_guid_to_string_minimal:
6330 * Converts a 16 byte Microsoft GUID to lower case no '-' representation..
6333 mono_guid_to_string_minimal (const guint8 *guid)
6335 return g_strdup_printf ("%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
6336 guid[3], guid[2], guid[1], guid[0],
6340 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
6343 get_constraints (MonoImage *image, int owner, MonoClass ***constraints, MonoGenericContainer *container, MonoError *error)
6345 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
6346 guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
6347 guint32 i, token, found;
6348 MonoClass *klass, **res;
6349 GSList *cons = NULL, *tmp;
6350 MonoGenericContext *context = &container->context;
6354 *constraints = NULL;
6356 for (i = 0; i < tdef->rows; ++i) {
6357 mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
6358 if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
6359 token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
6360 klass = mono_class_get_and_inflate_typespec_checked (image, token, context, error);
6362 g_slist_free (cons);
6365 cons = g_slist_append (cons, klass);
6368 /* contiguous list finished */
6375 res = (MonoClass **)mono_image_alloc0 (image, sizeof (MonoClass*) * (found + 1));
6376 for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
6377 res [i] = (MonoClass *)tmp->data;
6379 g_slist_free (cons);
6385 * mono_metadata_get_generic_param_row:
6388 * @token: TypeOrMethodDef token, owner for GenericParam
6389 * @owner: coded token, set on return
6391 * Returns: 1-based row-id in the GenericParam table whose
6392 * owner is @token. 0 if not found.
6395 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner)
6397 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
6404 if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
6405 *owner = MONO_TYPEORMETHOD_TYPE;
6406 else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
6407 *owner = MONO_TYPEORMETHOD_METHOD;
6409 g_error ("wrong token %x to get_generic_param_row", token);
6412 *owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
6415 loc.col_idx = MONO_GENERICPARAM_OWNER;
6418 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6421 /* Find the first entry by searching backwards */
6422 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_GENERICPARAM_OWNER) == loc.idx))
6425 return loc.result + 1;
6429 mono_metadata_has_generic_params (MonoImage *image, guint32 token)
6432 return mono_metadata_get_generic_param_row (image, token, &owner);
6436 * Memory is allocated from IMAGE's mempool.
6439 mono_metadata_load_generic_param_constraints_checked (MonoImage *image, guint32 token,
6440 MonoGenericContainer *container, MonoError *error)
6443 guint32 start_row, i, owner;
6446 if (! (start_row = mono_metadata_get_generic_param_row (image, token, &owner)))
6448 for (i = 0; i < container->type_argc; i++) {
6449 if (!get_constraints (image, start_row + i, &mono_generic_container_get_param_info (container, i)->constraints, container, error)) {
6457 * mono_metadata_load_generic_params:
6459 * Load the type parameters from the type or method definition @token.
6461 * Use this method after parsing a type or method definition to figure out whether it's a generic
6462 * type / method. When parsing a method definition, @parent_container points to the generic container
6463 * of the current class, if any.
6465 * Note: This method does not load the constraints: for typedefs, this has to be done after fully
6466 * creating the type.
6468 * Returns: NULL if @token is not a generic type or method definition or the new generic container.
6470 * LOCKING: Acquires the loader lock
6473 MonoGenericContainer *
6474 mono_metadata_load_generic_params (MonoImage *image, guint32 token, MonoGenericContainer *parent_container)
6476 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
6477 guint32 cols [MONO_GENERICPARAM_SIZE];
6478 guint32 i, owner = 0, n;
6479 MonoGenericContainer *container;
6480 MonoGenericParamFull *params;
6481 MonoGenericContext *context;
6483 if (!(i = mono_metadata_get_generic_param_row (image, token, &owner)))
6485 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
6488 container = (MonoGenericContainer *)mono_image_alloc0 (image, sizeof (MonoGenericContainer));
6489 container->owner.image = image; // Temporarily mark as anonymous, but this will be overriden by caller
6490 container->is_anonymous = TRUE;
6493 params = (MonoGenericParamFull *)g_realloc (params, sizeof (MonoGenericParamFull) * n);
6494 memset (¶ms [n - 1], 0, sizeof (MonoGenericParamFull));
6495 params [n - 1].param.owner = container;
6496 params [n - 1].param.num = cols [MONO_GENERICPARAM_NUMBER];
6497 params [n - 1].info.token = i | MONO_TOKEN_GENERIC_PARAM;
6498 params [n - 1].info.flags = cols [MONO_GENERICPARAM_FLAGS];
6499 params [n - 1].info.name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
6500 if (params [n - 1].param.num != n - 1)
6501 g_warning ("GenericParam table unsorted or hole in generic param sequence: token %d", i);
6502 if (++i > tdef->rows)
6504 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
6505 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
6507 container->type_argc = n;
6508 container->type_params = (MonoGenericParamFull *)mono_image_alloc0 (image, sizeof (MonoGenericParamFull) * n);
6509 memcpy (container->type_params, params, sizeof (MonoGenericParamFull) * n);
6511 container->parent = parent_container;
6513 if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
6514 container->is_method = 1;
6516 g_assert (container->parent == NULL || container->is_method);
6518 context = &container->context;
6519 if (container->is_method) {
6520 context->class_inst = container->parent ? container->parent->context.class_inst : NULL;
6521 context->method_inst = mono_get_shared_generic_inst (container);
6523 context->class_inst = mono_get_shared_generic_inst (container);
6530 mono_get_shared_generic_inst (MonoGenericContainer *container)
6532 MonoType **type_argv;
6534 MonoGenericInst *nginst;
6537 type_argv = g_new0 (MonoType *, container->type_argc);
6538 helper = g_new0 (MonoType, container->type_argc);
6540 for (i = 0; i < container->type_argc; i++) {
6541 MonoType *t = &helper [i];
6543 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
6544 t->data.generic_param = mono_generic_container_get_param (container, i);
6549 nginst = mono_metadata_get_generic_inst (container->type_argc, type_argv);
6558 * mono_type_is_byref:
6559 * \param type the \c MonoType operated on
6560 * \returns TRUE if \p type represents a type passed by reference,
6564 mono_type_is_byref (MonoType *type)
6570 * mono_type_get_type:
6571 * \param type the \c MonoType operated on
6572 * \returns the IL type value for \p type. This is one of the \c MonoTypeEnum
6573 * enum members like \c MONO_TYPE_I4 or \c MONO_TYPE_STRING.
6576 mono_type_get_type (MonoType *type)
6582 * mono_type_get_signature:
6583 * \param type the \c MonoType operated on
6584 * It is only valid to call this function if \p type is a \c MONO_TYPE_FNPTR .
6585 * \returns the \c MonoMethodSignature pointer that describes the signature
6586 * of the function pointer \p type represents.
6588 MonoMethodSignature*
6589 mono_type_get_signature (MonoType *type)
6591 g_assert (type->type == MONO_TYPE_FNPTR);
6592 return type->data.method;
6596 * mono_type_get_class:
6597 * \param type the \c MonoType operated on
6598 * It is only valid to call this function if \p type is a \c MONO_TYPE_CLASS or a
6599 * \c MONO_TYPE_VALUETYPE . For more general functionality, use \c mono_class_from_mono_type,
6601 * \returns the \c MonoClass pointer that describes the class that \p type represents.
6604 mono_type_get_class (MonoType *type)
6606 /* FIXME: review the runtime users before adding the assert here */
6607 return type->data.klass;
6611 * mono_type_get_array_type:
6612 * \param type the \c MonoType operated on
6613 * It is only valid to call this function if \p type is a \c MONO_TYPE_ARRAY .
6614 * \returns a \c MonoArrayType struct describing the array type that \p type
6615 * represents. The info includes details such as rank, array element type
6616 * and the sizes and bounds of multidimensional arrays.
6619 mono_type_get_array_type (MonoType *type)
6621 return type->data.array;
6625 * mono_type_get_ptr_type:
6626 * \pararm type the \c MonoType operated on
6627 * It is only valid to call this function if \p type is a \c MONO_TYPE_PTR .
6628 * \returns the \c MonoType pointer that describes the type that \p type
6629 * represents a pointer to.
6632 mono_type_get_ptr_type (MonoType *type)
6634 g_assert (type->type == MONO_TYPE_PTR);
6635 return type->data.type;
6639 * mono_type_get_modifiers:
6642 mono_type_get_modifiers (MonoType *type, gboolean *is_required, gpointer *iter)
6644 /* FIXME: implement */
6649 * mono_type_is_struct:
6650 * \param type the \c MonoType operated on
6651 * \returns TRUE if \p type is a struct, that is a \c ValueType but not an enum
6652 * or a basic type like \c System.Int32 . FALSE otherwise.
6655 mono_type_is_struct (MonoType *type)
6657 return (!type->byref && ((type->type == MONO_TYPE_VALUETYPE &&
6658 !type->data.klass->enumtype) || (type->type == MONO_TYPE_TYPEDBYREF) ||
6659 ((type->type == MONO_TYPE_GENERICINST) &&
6660 mono_metadata_generic_class_is_valuetype (type->data.generic_class) &&
6661 !type->data.generic_class->container_class->enumtype)));
6665 * mono_type_is_void:
6666 * \param type the \c MonoType operated on
6667 * \returns TRUE if \p type is \c System.Void . FALSE otherwise.
6670 mono_type_is_void (MonoType *type)
6672 return (type && (type->type == MONO_TYPE_VOID) && !type->byref);
6676 * mono_type_is_pointer:
6677 * \param type the \c MonoType operated on
6678 * \returns TRUE if \p type is a managed or unmanaged pointer type. FALSE otherwise.
6681 mono_type_is_pointer (MonoType *type)
6683 return (type && ((type->byref || (type->type == MONO_TYPE_I) || type->type == MONO_TYPE_STRING)
6684 || (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6685 (type->type == MONO_TYPE_U) || (type->type == MONO_TYPE_OBJECT) ||
6686 (type->type == MONO_TYPE_ARRAY) || (type->type == MONO_TYPE_PTR) ||
6687 (type->type == MONO_TYPE_FNPTR)));
6691 * mono_type_is_reference:
6692 * \param type the \c MonoType operated on
6693 * \returns TRUE if \p type represents an object reference. FALSE otherwise.
6696 mono_type_is_reference (MonoType *type)
6698 return (type && (((type->type == MONO_TYPE_STRING) ||
6699 (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6700 (type->type == MONO_TYPE_OBJECT) || (type->type == MONO_TYPE_ARRAY)) ||
6701 ((type->type == MONO_TYPE_GENERICINST) &&
6702 !mono_metadata_generic_class_is_valuetype (type->data.generic_class))));
6706 mono_type_is_generic_parameter (MonoType *type)
6708 return !type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR);
6712 * mono_signature_get_return_type:
6713 * \param sig the method signature inspected
6714 * \returns the return type of the method signature \p sig
6717 mono_signature_get_return_type (MonoMethodSignature *sig)
6723 * mono_signature_get_params:
6724 * \param sig the method signature inspected
6725 * \param iter pointer to an iterator
6726 * Iterates over the parameters for the method signature \p sig.
6727 * A \c void* pointer must be initialized to NULL to start the iteration
6728 * and its address is passed to this function repeteadly until it returns
6730 * \returns the next parameter type of the method signature \p sig,
6731 * NULL when finished.
6734 mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
6740 /* start from the first */
6741 if (sig->param_count) {
6742 *iter = &sig->params [0];
6743 return sig->params [0];
6749 type = (MonoType **)*iter;
6751 if (type < &sig->params [sig->param_count]) {
6759 * mono_signature_get_param_count:
6760 * \param sig the method signature inspected
6761 * \returns the number of parameters in the method signature \p sig.
6764 mono_signature_get_param_count (MonoMethodSignature *sig)
6766 return sig->param_count;
6770 * mono_signature_get_call_conv:
6771 * \param sig the method signature inspected
6772 * \returns the call convention of the method signature \p sig.
6775 mono_signature_get_call_conv (MonoMethodSignature *sig)
6777 return sig->call_convention;
6781 * mono_signature_vararg_start:
6782 * \param sig the method signature inspected
6783 * \returns the number of the first vararg parameter in the
6784 * method signature \param sig. \c -1 if this is not a vararg signature.
6787 mono_signature_vararg_start (MonoMethodSignature *sig)
6789 return sig->sentinelpos;
6793 * mono_signature_is_instance:
6794 * \param sig the method signature inspected
6795 * \returns TRUE if this the method signature \p sig has an implicit
6796 * first instance argument. FALSE otherwise.
6799 mono_signature_is_instance (MonoMethodSignature *sig)
6801 return sig->hasthis;
6805 * mono_signature_param_is_out
6806 * \param sig the method signature inspected
6807 * \param param_num the 0-based index of the inspected parameter
6808 * \returns TRUE if the parameter is an out parameter, FALSE
6812 mono_signature_param_is_out (MonoMethodSignature *sig, int param_num)
6814 g_assert (param_num >= 0 && param_num < sig->param_count);
6815 return (sig->params [param_num]->attrs & PARAM_ATTRIBUTE_OUT) != 0;
6819 * mono_signature_explicit_this:
6820 * \param sig the method signature inspected
6821 * \returns TRUE if this the method signature \p sig has an explicit
6822 * instance argument. FALSE otherwise.
6825 mono_signature_explicit_this (MonoMethodSignature *sig)
6827 return sig->explicit_this;
6830 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
6832 mono_aligned_addr_hash (gconstpointer ptr)
6834 /* Same hashing we use for objects */
6835 return (GPOINTER_TO_UINT (ptr) >> 3) * 2654435761u;
6839 * If @field belongs to an inflated generic class, return the corresponding field of the
6840 * generic type definition class.
6843 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field)
6848 if (!mono_class_is_ginst (field->parent))
6851 gtd = mono_class_get_generic_class (field->parent)->container_class;
6852 offset = field - field->parent->fields;
6853 return gtd->fields + offset;
6857 * If @event belongs to an inflated generic class, return the corresponding event of the
6858 * generic type definition class.
6861 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event)
6866 if (!mono_class_is_ginst (event->parent))
6869 gtd = mono_class_get_generic_class (event->parent)->container_class;
6870 offset = event - mono_class_get_event_info (event->parent)->events;
6871 return mono_class_get_event_info (gtd)->events + offset;
6875 * If @property belongs to an inflated generic class, return the corresponding property of the
6876 * generic type definition class.
6879 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property)
6881 MonoClassPropertyInfo *info;
6885 if (!mono_class_is_ginst (property->parent))
6888 info = mono_class_get_property_info (property->parent);
6889 gtd = mono_class_get_generic_class (property->parent)->container_class;
6890 offset = property - info->properties;
6891 return mono_class_get_property_info (gtd)->properties + offset;
6895 mono_method_get_wrapper_cache (MonoMethod *method)
6897 if (method->is_inflated) {
6898 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
6899 return &imethod->owner->wrapper_caches;
6901 return &method->klass->image->wrapper_caches;
6905 // This is support for the mempool reference tracking feature in checked-build, but lives in metadata.c due to use of static variables of this file.
6908 * mono_find_image_set_owner:
6910 * Find the imageset, if any, which a given pointer is located in the memory of.
6913 mono_find_image_set_owner (void *ptr)
6915 MonoImageSet *owner = NULL;
6922 for (i = 0; !owner && i < image_sets->len; ++i) {
6923 MonoImageSet *set = (MonoImageSet *)g_ptr_array_index (image_sets, i);
6924 if (mono_mempool_contains_addr (set->mempool, ptr))
6929 image_sets_unlock ();
6935 mono_loader_set_strict_strong_names (gboolean enabled)
6937 check_strong_names_strictly = enabled;
6941 mono_loader_get_strict_strong_names (void)
6943 return check_strong_names_strictly;