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 and version of a candidate assembly matches the
524 * requested strong name. If FALSE, as long as the name matches, the candidate
527 static gboolean check_strong_names_strictly = TRUE;
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; // Break on "found a set with equal members"
2566 // If we iterated all the way through l without breaking, the imageset does not already exist and we shuold create it
2568 set = g_new0 (MonoImageSet, 1);
2569 set->nimages = nimages;
2570 set->images = g_new0 (MonoImage*, nimages);
2571 mono_os_mutex_init_recursive (&set->lock);
2572 for (i = 0; i < nimages; ++i)
2573 set->images [i] = images [i];
2574 set->gclass_cache = mono_conc_hashtable_new_full (mono_generic_class_hash, mono_generic_class_equal, NULL, (GDestroyNotify)free_generic_class);
2575 set->ginst_cache = g_hash_table_new_full (mono_metadata_generic_inst_hash, mono_metadata_generic_inst_equal, NULL, (GDestroyNotify)free_generic_inst);
2576 set->gmethod_cache = g_hash_table_new_full (inflated_method_hash, inflated_method_equal, NULL, (GDestroyNotify)free_inflated_method);
2577 set->gsignature_cache = g_hash_table_new_full (inflated_signature_hash, inflated_signature_equal, NULL, (GDestroyNotify)free_inflated_signature);
2579 for (i = 0; i < nimages; ++i)
2580 set->images [i]->image_sets = g_slist_prepend (set->images [i]->image_sets, set);
2582 g_ptr_array_add (image_sets, set);
2585 img_set_cache_add (set);
2588 if (nimages == 1 && images [0] == mono_defaults.corlib) {
2589 mono_memory_barrier ();
2590 mscorlib_image_set = set;
2593 image_sets_unlock ();
2599 delete_image_set (MonoImageSet *set)
2603 mono_conc_hashtable_destroy (set->gclass_cache);
2604 g_hash_table_destroy (set->ginst_cache);
2605 g_hash_table_destroy (set->gmethod_cache);
2606 g_hash_table_destroy (set->gsignature_cache);
2608 mono_wrapper_caches_free (&set->wrapper_caches);
2612 for (i = 0; i < set->nimages; ++i)
2613 set->images [i]->image_sets = g_slist_remove (set->images [i]->image_sets, set);
2615 g_ptr_array_remove (image_sets, set);
2617 image_sets_unlock ();
2619 img_set_cache_remove (set);
2622 mono_mempool_destroy (set->mempool);
2623 g_free (set->images);
2624 mono_os_mutex_destroy (&set->lock);
2629 mono_image_set_lock (MonoImageSet *set)
2631 mono_os_mutex_lock (&set->lock);
2635 mono_image_set_unlock (MonoImageSet *set)
2637 mono_os_mutex_unlock (&set->lock);
2641 mono_image_set_alloc (MonoImageSet *set, guint size)
2645 mono_image_set_lock (set);
2647 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2648 res = mono_mempool_alloc (set->mempool, size);
2649 mono_image_set_unlock (set);
2655 mono_image_set_alloc0 (MonoImageSet *set, guint size)
2659 mono_image_set_lock (set);
2661 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2662 res = mono_mempool_alloc0 (set->mempool, size);
2663 mono_image_set_unlock (set);
2669 mono_image_set_strdup (MonoImageSet *set, const char *s)
2673 mono_image_set_lock (set);
2675 set->mempool = mono_mempool_new_size (INITIAL_IMAGE_SET_SIZE);
2676 res = mono_mempool_strdup (set->mempool, s);
2677 mono_image_set_unlock (set);
2682 // Get a descriptive string for a MonoImageSet
2683 // Callers are obligated to free buffer with g_free after use
2685 mono_image_set_description (MonoImageSet *set)
2687 GString *result = g_string_new (NULL);
2689 g_string_append (result, "[");
2690 for (img = 0; img < set->nimages; img++)
2693 g_string_append (result, ", ");
2694 g_string_append (result, set->images[img]->name);
2696 g_string_append (result, "]");
2697 return g_string_free (result, FALSE);
2701 * Structure used by the collect_..._images functions to store the image list.
2704 MonoImage *image_buf [64];
2706 int nimages, images_len;
2710 collect_data_init (CollectData *data)
2712 data->images = data->image_buf;
2713 data->images_len = 64;
2718 collect_data_free (CollectData *data)
2720 if (data->images != data->image_buf)
2721 g_free (data->images);
2725 enlarge_data (CollectData *data)
2727 int new_len = data->images_len < 16 ? 16 : data->images_len * 2;
2728 MonoImage **d = g_new (MonoImage *, new_len);
2731 g_assert_not_reached ();
2732 memcpy (d, data->images, data->images_len);
2733 if (data->images != data->image_buf)
2734 g_free (data->images);
2736 data->images_len = new_len;
2740 add_image (MonoImage *image, CollectData *data)
2744 /* The arrays are small, so use a linear search instead of a hash table */
2745 for (i = 0; i < data->nimages; ++i)
2746 if (data->images [i] == image)
2749 if (data->nimages == data->images_len)
2750 enlarge_data (data);
2752 data->images [data->nimages ++] = image;
2756 collect_type_images (MonoType *type, CollectData *data);
2759 collect_ginst_images (MonoGenericInst *ginst, CollectData *data)
2763 for (i = 0; i < ginst->type_argc; ++i) {
2764 collect_type_images (ginst->type_argv [i], data);
2769 collect_gclass_images (MonoGenericClass *gclass, CollectData *data)
2771 add_image (gclass->container_class->image, data);
2772 if (gclass->context.class_inst)
2773 collect_ginst_images (gclass->context.class_inst, data);
2777 collect_signature_images (MonoMethodSignature *sig, CollectData *data)
2779 gpointer iter = NULL;
2782 collect_type_images (mono_signature_get_return_type (sig), data);
2783 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2784 collect_type_images (p, data);
2788 collect_inflated_signature_images (MonoInflatedMethodSignature *sig, CollectData *data)
2790 collect_signature_images (sig->sig, data);
2791 if (sig->context.class_inst)
2792 collect_ginst_images (sig->context.class_inst, data);
2793 if (sig->context.method_inst)
2794 collect_ginst_images (sig->context.method_inst, data);
2798 collect_method_images (MonoMethodInflated *method, CollectData *data)
2800 MonoMethod *m = method->declaring;
2802 add_image (method->declaring->klass->image, data);
2803 if (method->context.class_inst)
2804 collect_ginst_images (method->context.class_inst, data);
2805 if (method->context.method_inst)
2806 collect_ginst_images (method->context.method_inst, data);
2808 * Dynamic assemblies have no references, so the images they depend on can be unloaded before them.
2810 if (image_is_dynamic (m->klass->image))
2811 collect_signature_images (mono_method_signature (m), data);
2815 collect_type_images (MonoType *type, CollectData *data)
2818 switch (type->type) {
2819 case MONO_TYPE_GENERICINST:
2820 collect_gclass_images (type->data.generic_class, data);
2823 type = type->data.type;
2825 case MONO_TYPE_SZARRAY:
2826 type = &type->data.klass->byval_arg;
2828 case MONO_TYPE_ARRAY:
2829 type = &type->data.array->eklass->byval_arg;
2831 case MONO_TYPE_FNPTR:
2832 //return signature_in_image (type->data.method, image);
2833 g_assert_not_reached ();
2835 case MONO_TYPE_MVAR:
2837 MonoImage *image = get_image_for_generic_param (type->data.generic_param);
2838 add_image (image, data);
2841 case MONO_TYPE_CLASS:
2842 case MONO_TYPE_VALUETYPE:
2843 add_image (mono_class_from_mono_type (type)->image, data);
2846 add_image (mono_defaults.corlib, data);
2853 } CleanForImageUserData;
2856 steal_gclass_in_image (gpointer key, gpointer value, gpointer data)
2858 MonoGenericClass *gclass = (MonoGenericClass *)key;
2859 CleanForImageUserData *user_data = (CleanForImageUserData *)data;
2861 g_assert (gclass_in_image (gclass, user_data->image));
2863 user_data->list = g_slist_prepend (user_data->list, gclass);
2868 steal_ginst_in_image (gpointer key, gpointer value, gpointer data)
2870 MonoGenericInst *ginst = (MonoGenericInst *)key;
2871 CleanForImageUserData *user_data = (CleanForImageUserData *)data;
2873 // This doesn't work during corlib compilation
2874 //g_assert (ginst_in_image (ginst, user_data->image));
2876 user_data->list = g_slist_prepend (user_data->list, ginst);
2881 inflated_method_in_image (gpointer key, gpointer value, gpointer data)
2883 MonoImage *image = (MonoImage *)data;
2884 MonoMethodInflated *method = (MonoMethodInflated *)key;
2887 // https://bugzilla.novell.com/show_bug.cgi?id=458168
2888 g_assert (method->declaring->klass->image == image ||
2889 (method->context.class_inst && ginst_in_image (method->context.class_inst, image)) ||
2890 (method->context.method_inst && ginst_in_image (method->context.method_inst, image)) || (((MonoMethod*)method)->signature && signature_in_image (mono_method_signature ((MonoMethod*)method), image)));
2896 inflated_signature_in_image (gpointer key, gpointer value, gpointer data)
2898 MonoImage *image = (MonoImage *)data;
2899 MonoInflatedMethodSignature *sig = (MonoInflatedMethodSignature *)key;
2901 return signature_in_image (sig->sig, image) ||
2902 (sig->context.class_inst && ginst_in_image (sig->context.class_inst, image)) ||
2903 (sig->context.method_inst && ginst_in_image (sig->context.method_inst, image));
2907 check_gmethod (gpointer key, gpointer value, gpointer data)
2909 MonoMethodInflated *method = (MonoMethodInflated *)key;
2910 MonoImage *image = (MonoImage *)data;
2912 if (method->context.class_inst)
2913 g_assert (!ginst_in_image (method->context.class_inst, image));
2914 if (method->context.method_inst)
2915 g_assert (!ginst_in_image (method->context.method_inst, image));
2916 if (((MonoMethod*)method)->signature)
2917 g_assert (!signature_in_image (mono_method_signature ((MonoMethod*)method), image));
2923 * Run a consistency check on the image set data structures.
2925 static G_GNUC_UNUSED void
2926 check_image_sets (MonoImage *image)
2929 GSList *l = image->image_sets;
2934 for (i = 0; i < image_sets->len; ++i) {
2935 MonoImageSet *set = (MonoImageSet *)g_ptr_array_index (image_sets, i);
2937 if (!g_slist_find (l, set)) {
2938 g_hash_table_foreach (set->gmethod_cache, check_gmethod, image);
2944 mono_metadata_clean_for_image (MonoImage *image)
2946 CleanForImageUserData ginst_data, gclass_data;
2947 GSList *l, *set_list;
2949 //check_image_sets (image);
2952 * The data structures could reference each other so we delete them in two phases.
2953 * This is required because of the hashing functions in gclass/ginst_cache.
2955 ginst_data.image = gclass_data.image = image;
2956 ginst_data.list = gclass_data.list = NULL;
2958 /* Collect the items to delete */
2959 /* delete_image_set () modifies the lists so make a copy */
2960 for (l = image->image_sets; l; l = l->next) {
2961 MonoImageSet *set = (MonoImageSet *)l->data;
2963 mono_image_set_lock (set);
2964 mono_conc_hashtable_foreach_steal (set->gclass_cache, steal_gclass_in_image, &gclass_data);
2965 g_hash_table_foreach_steal (set->ginst_cache, steal_ginst_in_image, &ginst_data);
2966 g_hash_table_foreach_remove (set->gmethod_cache, inflated_method_in_image, image);
2967 g_hash_table_foreach_remove (set->gsignature_cache, inflated_signature_in_image, image);
2968 mono_image_set_unlock (set);
2971 /* Delete the removed items */
2972 for (l = ginst_data.list; l; l = l->next)
2973 free_generic_inst ((MonoGenericInst *)l->data);
2974 for (l = gclass_data.list; l; l = l->next)
2975 free_generic_class ((MonoGenericClass *)l->data);
2976 g_slist_free (ginst_data.list);
2977 g_slist_free (gclass_data.list);
2978 /* delete_image_set () modifies the lists so make a copy */
2979 set_list = g_slist_copy (image->image_sets);
2980 for (l = set_list; l; l = l->next) {
2981 MonoImageSet *set = (MonoImageSet *)l->data;
2983 delete_image_set (set);
2985 g_slist_free (set_list);
2989 free_inflated_method (MonoMethodInflated *imethod)
2991 MonoMethod *method = (MonoMethod*)imethod;
2993 if (method->signature)
2994 mono_metadata_free_inflated_signature (method->signature);
2996 if (method->wrapper_type)
2997 g_free (((MonoMethodWrapper*)method)->method_data);
3003 free_generic_inst (MonoGenericInst *ginst)
3007 /* The ginst itself is allocated from the image set mempool */
3008 for (i = 0; i < ginst->type_argc; ++i)
3009 mono_metadata_free_type (ginst->type_argv [i]);
3013 free_generic_class (MonoGenericClass *gclass)
3015 /* The gclass itself is allocated from the image set mempool */
3016 if (gclass->cached_class && gclass->cached_class->interface_id)
3017 mono_unload_interface_id (gclass->cached_class);
3021 free_inflated_signature (MonoInflatedMethodSignature *sig)
3023 mono_metadata_free_inflated_signature (sig->sig);
3028 * mono_metadata_get_inflated_signature:
3030 * Given an inflated signature and a generic context, return a canonical copy of the
3031 * signature. The returned signature might be equal to SIG or it might be a cached copy.
3033 MonoMethodSignature *
3034 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context)
3036 MonoInflatedMethodSignature helper;
3037 MonoInflatedMethodSignature *res;
3042 helper.context.class_inst = context->class_inst;
3043 helper.context.method_inst = context->method_inst;
3045 collect_data_init (&data);
3047 collect_inflated_signature_images (&helper, &data);
3049 set = get_image_set (data.images, data.nimages);
3051 collect_data_free (&data);
3053 mono_image_set_lock (set);
3055 res = (MonoInflatedMethodSignature *)g_hash_table_lookup (set->gsignature_cache, &helper);
3057 res = g_new0 (MonoInflatedMethodSignature, 1);
3059 res->context.class_inst = context->class_inst;
3060 res->context.method_inst = context->method_inst;
3061 g_hash_table_insert (set->gsignature_cache, res, res);
3064 mono_image_set_unlock (set);
3070 mono_metadata_get_image_set_for_method (MonoMethodInflated *method)
3073 CollectData image_set_data;
3075 collect_data_init (&image_set_data);
3076 collect_method_images (method, &image_set_data);
3077 set = get_image_set (image_set_data.images, image_set_data.nimages);
3078 collect_data_free (&image_set_data);
3084 type_is_gtd (MonoType *type)
3086 switch (type->type) {
3087 case MONO_TYPE_CLASS:
3088 case MONO_TYPE_VALUETYPE:
3089 return mono_class_is_gtd (type->data.klass);
3096 * mono_metadata_get_generic_inst:
3098 * Given a list of types, return a MonoGenericInst that represents that list.
3099 * The returned MonoGenericInst has its own copy of the list of types. The list
3100 * passed in the argument can be freed, modified or disposed of.
3104 mono_metadata_get_generic_inst (int type_argc, MonoType **type_argv)
3106 MonoGenericInst *ginst;
3109 int size = MONO_SIZEOF_GENERIC_INST + type_argc * sizeof (MonoType *);
3111 for (i = 0; i < type_argc; ++i)
3112 if (mono_class_is_open_constructed_type (type_argv [i]))
3114 is_open = (i < type_argc);
3116 ginst = (MonoGenericInst *)g_alloca (size);
3117 memset (ginst, 0, sizeof (MonoGenericInst));
3118 ginst->is_open = is_open;
3119 ginst->type_argc = type_argc;
3120 memcpy (ginst->type_argv, type_argv, type_argc * sizeof (MonoType *));
3122 for (i = 0; i < type_argc; ++i) {
3123 MonoType *t = ginst->type_argv [i];
3124 if (type_is_gtd (t)) {
3125 ginst->type_argv [i] = mono_class_gtd_get_canonical_inst (t->data.klass);
3129 return mono_metadata_get_canonical_generic_inst (ginst);
3134 * mono_metadata_get_canonical_generic_inst:
3135 * \param candidate an arbitrary generic instantiation
3137 * \returns the canonical generic instantiation that represents the given
3138 * candidate by identifying the image set for the candidate instantiation and
3139 * finding the instance in the image set or adding a copy of the given instance
3142 * The returned MonoGenericInst has its own copy of the list of types. The list
3143 * passed in the argument can be freed, modified or disposed of.
3147 mono_metadata_get_canonical_generic_inst (MonoGenericInst *candidate)
3150 int type_argc = candidate->type_argc;
3151 gboolean is_open = candidate->is_open;
3154 collect_data_init (&data);
3156 collect_ginst_images (candidate, &data);
3158 set = get_image_set (data.images, data.nimages);
3160 collect_data_free (&data);
3162 mono_image_set_lock (set);
3164 MonoGenericInst *ginst = (MonoGenericInst *)g_hash_table_lookup (set->ginst_cache, candidate);
3166 int size = MONO_SIZEOF_GENERIC_INST + type_argc * sizeof (MonoType *);
3167 ginst = (MonoGenericInst *)mono_image_set_alloc0 (set, size);
3168 #ifndef MONO_SMALL_CONFIG
3169 ginst->id = ++next_generic_inst_id;
3171 ginst->is_open = is_open;
3172 ginst->type_argc = type_argc;
3174 for (int i = 0; i < type_argc; ++i)
3175 ginst->type_argv [i] = mono_metadata_type_dup (NULL, candidate->type_argv [i]);
3177 g_hash_table_insert (set->ginst_cache, ginst, ginst);
3180 mono_image_set_unlock (set);
3185 mono_metadata_is_type_builder_generic_type_definition (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
3187 MonoGenericContainer *container = mono_class_get_generic_container (container_class);
3189 if (!is_dynamic || container_class->wastypebuilder || container->type_argc != inst->type_argc)
3191 return inst == container->context.class_inst;
3195 * mono_metadata_lookup_generic_class:
3197 * Returns a MonoGenericClass with the given properties.
3201 mono_metadata_lookup_generic_class (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
3203 MonoGenericClass *gclass;
3204 MonoGenericClass helper;
3205 gboolean is_tb_open = mono_metadata_is_type_builder_generic_type_definition (container_class, inst, is_dynamic);
3209 g_assert (mono_class_get_generic_container (container_class)->type_argc == inst->type_argc);
3211 memset (&helper, 0, sizeof(helper)); // act like g_new0
3212 helper.container_class = container_class;
3213 helper.context.class_inst = inst;
3214 helper.is_dynamic = is_dynamic; /* We use this in a hash lookup, which does not attempt to downcast the pointer */
3215 helper.is_tb_open = is_tb_open;
3217 collect_data_init (&data);
3219 collect_gclass_images (&helper, &data);
3221 set = get_image_set (data.images, data.nimages);
3223 collect_data_free (&data);
3225 gclass = (MonoGenericClass *)mono_conc_hashtable_lookup (set->gclass_cache, &helper);
3227 /* A tripwire just to keep us honest */
3228 g_assert (!helper.cached_class);
3233 gclass = mono_image_set_new0 (set, MonoGenericClass, 1);
3235 gclass->is_dynamic = 1;
3237 gclass->is_tb_open = is_tb_open;
3238 gclass->container_class = container_class;
3239 gclass->context.class_inst = inst;
3240 gclass->context.method_inst = NULL;
3241 gclass->owner = set;
3242 if (inst == mono_class_get_generic_container (container_class)->context.class_inst && !is_tb_open)
3243 gclass->cached_class = container_class;
3245 mono_image_set_lock (set);
3247 MonoGenericClass *gclass2 = mono_conc_hashtable_insert (set->gclass_cache, gclass, gclass);
3251 // g_hash_table_insert (set->gclass_cache, gclass, gclass);
3253 mono_image_set_unlock (set);
3259 * mono_metadata_inflate_generic_inst:
3261 * Instantiate the generic instance @ginst with the context @context.
3262 * Check @error for success.
3266 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error)
3268 MonoType **type_argv;
3269 MonoGenericInst *nginst = NULL;
3274 if (!ginst->is_open)
3277 type_argv = g_new0 (MonoType*, ginst->type_argc);
3279 for (i = 0; i < ginst->type_argc; i++) {
3280 type_argv [i] = mono_class_inflate_generic_type_checked (ginst->type_argv [i], context, error);
3281 if (!mono_error_ok (error))
3286 nginst = mono_metadata_get_generic_inst (ginst->type_argc, type_argv);
3289 for (i = 0; i < count; i++)
3290 mono_metadata_free_type (type_argv [i]);
3297 mono_metadata_parse_generic_inst (MonoImage *m, MonoGenericContainer *container,
3298 int count, const char *ptr, const char **rptr, MonoError *error)
3300 MonoType **type_argv;
3301 MonoGenericInst *ginst;
3305 type_argv = g_new0 (MonoType*, count);
3307 for (i = 0; i < count; i++) {
3308 MonoType *t = mono_metadata_parse_type_checked (m, container, 0, FALSE, ptr, &ptr, error);
3319 ginst = mono_metadata_get_generic_inst (count, type_argv);
3327 do_mono_metadata_parse_generic_class (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3328 const char *ptr, const char **rptr, MonoError *error)
3330 MonoGenericInst *inst;
3337 // XXX how about transient?
3338 gtype = mono_metadata_parse_type_checked (m, NULL, 0, FALSE, ptr, &ptr, error);
3342 gklass = mono_class_from_mono_type (gtype);
3343 if (!mono_class_is_gtd (gklass)) {
3344 mono_error_set_bad_image (error, m, "Generic instance with non-generic definition");
3348 count = mono_metadata_decode_value (ptr, &ptr);
3349 inst = mono_metadata_parse_generic_inst (m, container, count, ptr, &ptr, error);
3356 type->data.generic_class = mono_metadata_lookup_generic_class (gklass, inst, FALSE);
3362 * @gc: The generic container to normalize
3363 * @type: The kind of generic parameters the resulting generic-container should contain
3366 static MonoGenericContainer *
3367 select_container (MonoGenericContainer *gc, MonoTypeEnum type)
3369 gboolean is_var = (type == MONO_TYPE_VAR);
3373 g_assert (is_var || type == MONO_TYPE_MVAR);
3376 if (gc->is_method || gc->parent)
3378 * The current MonoGenericContainer is a generic method -> its `parent'
3379 * points to the containing class'es container.
3387 MonoGenericContainer *
3388 get_anonymous_container_for_image (MonoImage *image, gboolean is_mvar)
3390 MonoGenericContainer **container_pointer;
3392 container_pointer = &image->anonymous_generic_method_container;
3394 container_pointer = &image->anonymous_generic_class_container;
3395 MonoGenericContainer *result = *container_pointer;
3397 // This container has never been created; make it now.
3400 // Note this is never deallocated anywhere-- it exists for the lifetime of the image it's allocated from
3401 result = (MonoGenericContainer *)mono_image_alloc0 (image, sizeof (MonoGenericContainer));
3402 result->owner.image = image;
3403 result->is_anonymous = TRUE;
3404 result->is_small_param = TRUE;
3405 result->is_method = is_mvar;
3407 // If another thread already made a container, use that and leak this new one.
3408 // (Technically it would currently be safe to just assign instead of CASing.)
3409 MonoGenericContainer *exchange = (MonoGenericContainer *)InterlockedCompareExchangePointer ((volatile gpointer *)container_pointer, result, NULL);
3417 * mono_metadata_parse_generic_param:
3418 * @generic_container: Our MonoClass's or MonoMethod's MonoGenericContainer;
3419 * see mono_metadata_parse_type_checked() for details.
3420 * Internal routine to parse a generic type parameter.
3421 * LOCKING: Acquires the loader lock
3423 static MonoGenericParam *
3424 mono_metadata_parse_generic_param (MonoImage *m, MonoGenericContainer *generic_container,
3425 MonoTypeEnum type, const char *ptr, const char **rptr, MonoError *error)
3427 int index = mono_metadata_decode_value (ptr, &ptr);
3433 generic_container = select_container (generic_container, type);
3434 if (!generic_container) {
3435 gboolean is_mvar = FALSE;
3440 case MONO_TYPE_MVAR:
3444 g_error ("Cerating generic param object with invalid MonoType"); // This is not a generic param
3447 /* Create dummy MonoGenericParam */
3448 MonoGenericParam *param;
3450 param = (MonoGenericParam *)mono_image_alloc0 (m, sizeof (MonoGenericParam));
3452 param->owner = get_anonymous_container_for_image (m, is_mvar);
3457 if (index >= generic_container->type_argc) {
3458 mono_error_set_bad_image (error, m, "Invalid generic %s parameter index %d, max index is %d",
3459 generic_container->is_method ? "method" : "type",
3460 index, generic_container->type_argc);
3464 //This can't return NULL
3465 return mono_generic_container_get_param (generic_container, index);
3469 * mono_metadata_get_shared_type:
3471 * Return a shared instance of TYPE, if available, NULL otherwise.
3472 * Shared MonoType instances help save memory. Their contents should not be modified
3473 * by the caller. They do not need to be freed as their lifetime is bound by either
3474 * the lifetime of the runtime (builtin types), or the lifetime of the MonoClass
3475 * instance they are embedded in. If they are freed, they should be freed using
3476 * mono_metadata_free_type () instead of g_free ().
3479 mono_metadata_get_shared_type (MonoType *type)
3483 /* No need to use locking since nobody is modifying the hash table */
3484 if ((cached = (MonoType *)g_hash_table_lookup (type_cache, type)))
3487 switch (type->type){
3488 case MONO_TYPE_CLASS:
3489 case MONO_TYPE_VALUETYPE:
3490 if (type == &type->data.klass->byval_arg)
3492 if (type == &type->data.klass->this_arg)
3503 compare_type_literals (MonoImage *image, int class_type, int type_type, MonoError *error)
3507 /* byval_arg.type can be zero if we're decoding a type that references a class been loading.
3508 * See mcs/test/gtest-440. and #650936.
3509 * FIXME This better be moved to the metadata verifier as it can catch more cases.
3513 /* NET 1.1 assemblies might encode string and object in a denormalized way.
3516 if (class_type == type_type)
3519 if (type_type == MONO_TYPE_CLASS) {
3520 if (class_type == MONO_TYPE_STRING || class_type == MONO_TYPE_OBJECT)
3522 //XXX stringify this argument
3523 mono_error_set_bad_image (error, image, "Expected reference type but got type kind %d", class_type);
3527 g_assert (type_type == MONO_TYPE_VALUETYPE);
3528 switch (class_type) {
3529 case MONO_TYPE_BOOLEAN:
3530 case MONO_TYPE_CHAR:
3543 case MONO_TYPE_CLASS:
3546 //XXX stringify this argument
3547 mono_error_set_bad_image (error, image, "Expected value type but got type kind %d", class_type);
3553 verify_var_type_and_container (MonoImage *image, int var_type, MonoGenericContainer *container, MonoError *error)
3556 if (var_type == MONO_TYPE_MVAR) {
3557 if (!container->is_method) { //MVAR and a method container
3558 mono_error_set_bad_image (error, image, "MVAR parsed in a context without a method container");
3562 if (!(!container->is_method || //VAR and class container
3563 (container->is_method && container->parent))) { //VAR and method container with parent
3564 mono_error_set_bad_image (error, image, "VAR parsed in a context without a class container");
3572 * do_mono_metadata_parse_type:
3573 * @type: MonoType to be filled in with the return value
3575 * @generic_context: generics_context
3576 * @transient: whenever to allocate data from the heap
3577 * @ptr: pointer to the encoded type
3578 * @rptr: pointer where the end of the encoded type is saved
3580 * Internal routine used to "fill" the contents of @type from an
3581 * allocated pointer. This is done this way to avoid doing too
3582 * many mini-allocations (particularly for the MonoFieldType which
3583 * most of the time is just a MonoType, but sometimes might be augmented).
3585 * This routine is used by mono_metadata_parse_type and
3586 * mono_metadata_parse_field_type
3588 * This extracts a Type as specified in Partition II (22.2.12)
3590 * Returns: FALSE if the type could not be loaded
3593 do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3594 gboolean transient, const char *ptr, const char **rptr, MonoError *error)
3598 type->type = (MonoTypeEnum)mono_metadata_decode_value (ptr, &ptr);
3600 switch (type->type){
3601 case MONO_TYPE_VOID:
3602 case MONO_TYPE_BOOLEAN:
3603 case MONO_TYPE_CHAR:
3616 case MONO_TYPE_STRING:
3617 case MONO_TYPE_OBJECT:
3618 case MONO_TYPE_TYPEDBYREF:
3620 case MONO_TYPE_VALUETYPE:
3621 case MONO_TYPE_CLASS: {
3624 token = mono_metadata_parse_typedef_or_ref (m, ptr, &ptr);
3625 klass = mono_class_get_checked (m, token, error);
3626 type->data.klass = klass;
3630 if (!compare_type_literals (m, klass->byval_arg.type, type->type, error))
3635 case MONO_TYPE_SZARRAY: {
3636 MonoType *etype = mono_metadata_parse_type_checked (m, container, 0, transient, ptr, &ptr, error);
3640 type->data.klass = mono_class_from_mono_type (etype);
3643 mono_metadata_free_type (etype);
3645 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.
3648 case MONO_TYPE_PTR: {
3649 type->data.type = mono_metadata_parse_type_checked (m, container, 0, transient, ptr, &ptr, error);
3650 if (!type->data.type)
3654 case MONO_TYPE_FNPTR: {
3655 type->data.method = mono_metadata_parse_method_signature_full (m, container, 0, ptr, &ptr, error);
3656 if (!type->data.method)
3660 case MONO_TYPE_ARRAY: {
3661 type->data.array = mono_metadata_parse_array_internal (m, container, transient, ptr, &ptr, error);
3662 if (!type->data.array)
3666 case MONO_TYPE_MVAR:
3667 case MONO_TYPE_VAR: {
3668 if (container && !verify_var_type_and_container (m, type->type, container, error))
3671 type->data.generic_param = mono_metadata_parse_generic_param (m, container, type->type, ptr, &ptr, error);
3672 if (!type->data.generic_param)
3677 case MONO_TYPE_GENERICINST: {
3678 if (!do_mono_metadata_parse_generic_class (type, m, container, ptr, &ptr, error))
3683 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);
3693 * mono_metadata_free_type:
3694 * \param type type to free
3696 * Free the memory allocated for type \p type which is allocated on the heap.
3699 mono_metadata_free_type (MonoType *type)
3701 if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
3704 switch (type->type){
3705 case MONO_TYPE_OBJECT:
3706 case MONO_TYPE_STRING:
3707 if (!type->data.klass)
3710 case MONO_TYPE_CLASS:
3711 case MONO_TYPE_VALUETYPE:
3712 if (type == &type->data.klass->byval_arg || type == &type->data.klass->this_arg)
3716 mono_metadata_free_type (type->data.type);
3718 case MONO_TYPE_FNPTR:
3719 mono_metadata_free_method_signature (type->data.method);
3721 case MONO_TYPE_ARRAY:
3722 mono_metadata_free_array (type->data.array);
3733 hex_dump (const char *buffer, int base, int count)
3735 int show_header = 1;
3743 for (i = 0; i < count; i++){
3746 printf ("\n0x%08x: ", (unsigned char) base + i);
3748 printf ("%02x ", (unsigned char) (buffer [i]));
3755 * @ptr: Points to the beginning of the Section Data (25.3)
3757 static MonoExceptionClause*
3758 parse_section_data (MonoImage *m, int *num_clauses, const unsigned char *ptr, MonoError *error)
3760 unsigned char sect_data_flags;
3762 guint32 sect_data_len;
3763 MonoExceptionClause* clauses = NULL;
3768 /* align on 32-bit boundary */
3769 ptr = dword_align (ptr);
3770 sect_data_flags = *ptr;
3773 is_fat = sect_data_flags & METHOD_HEADER_SECTION_FAT_FORMAT;
3775 sect_data_len = (ptr [2] << 16) | (ptr [1] << 8) | ptr [0];
3778 sect_data_len = ptr [0];
3782 if (sect_data_flags & METHOD_HEADER_SECTION_EHTABLE) {
3783 const unsigned char *p = dword_align (ptr);
3785 *num_clauses = is_fat ? sect_data_len / 24: sect_data_len / 12;
3786 /* we could just store a pointer if we don't need to byteswap */
3787 clauses = (MonoExceptionClause *)g_malloc0 (sizeof (MonoExceptionClause) * (*num_clauses));
3788 for (i = 0; i < *num_clauses; ++i) {
3789 MonoExceptionClause *ec = &clauses [i];
3792 ec->flags = read32 (p);
3793 ec->try_offset = read32 (p + 4);
3794 ec->try_len = read32 (p + 8);
3795 ec->handler_offset = read32 (p + 12);
3796 ec->handler_len = read32 (p + 16);
3797 tof_value = read32 (p + 20);
3800 ec->flags = read16 (p);
3801 ec->try_offset = read16 (p + 2);
3802 ec->try_len = *(p + 4);
3803 ec->handler_offset = read16 (p + 5);
3804 ec->handler_len = *(p + 7);
3805 tof_value = read32 (p + 8);
3808 if (ec->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3809 ec->data.filter_offset = tof_value;
3810 } else if (ec->flags == MONO_EXCEPTION_CLAUSE_NONE) {
3811 ec->data.catch_class = NULL;
3813 ec->data.catch_class = mono_class_get_checked (m, tof_value, error);
3814 if (!is_ok (error)) {
3820 ec->data.catch_class = NULL;
3822 /* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
3826 if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
3827 ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
3834 * mono_method_get_header_summary:
3835 * @method: The method to get the header.
3836 * @summary: Where to store the header
3839 * Returns: TRUE if the header was properly decoded.
3842 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary)
3848 unsigned char flags, format;
3851 /*Only the GMD has a pointer to the metadata.*/
3852 while (method->is_inflated)
3853 method = ((MonoMethodInflated*)method)->declaring;
3855 summary->code_size = 0;
3856 summary->has_clauses = FALSE;
3858 /*FIXME extract this into a MACRO and share it with mono_method_get_header*/
3859 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))
3862 if (method->wrapper_type != MONO_WRAPPER_NONE || method->sre_method) {
3863 MonoMethodHeader *header = ((MonoMethodWrapper *)method)->header;
3866 summary->code_size = header->code_size;
3867 summary->has_clauses = header->num_clauses > 0;
3872 idx = mono_metadata_token_index (method->token);
3873 img = method->klass->image;
3874 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
3876 /*We must run the verifier since we'll be decoding it.*/
3877 if (!mono_verifier_verify_method_header (img, rva, NULL))
3880 ptr = mono_image_rva_map (img, rva);
3884 flags = *(const unsigned char *)ptr;
3885 format = flags & METHOD_HEADER_FORMAT_MASK;
3888 case METHOD_HEADER_TINY_FORMAT:
3890 summary->code_size = flags >> 2;
3892 case METHOD_HEADER_FAT_FORMAT:
3893 fat_flags = read16 (ptr);
3895 summary->code_size = read32 (ptr);
3896 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3897 summary->has_clauses = TRUE;
3906 * mono_metadata_parse_mh_full:
3907 * @m: metadata context
3908 * @generic_context: generics context
3909 * @ptr: pointer to the method header.
3911 * Decode the method header at @ptr, including pointer to the IL code,
3912 * info about local variables and optional exception tables.
3913 * This is a Mono runtime internal function.
3915 * LOCKING: Acquires the loader lock.
3917 * Returns: a transient MonoMethodHeader allocated from the heap.
3920 mono_metadata_parse_mh_full (MonoImage *m, MonoGenericContainer *container, const char *ptr, MonoError *error)
3922 MonoMethodHeader *mh = NULL;
3923 unsigned char flags = *(const unsigned char *) ptr;
3924 unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
3926 guint32 local_var_sig_tok, max_stack, code_size, init_locals;
3927 const unsigned char *code;
3928 MonoExceptionClause* clauses = NULL;
3929 int num_clauses = 0;
3930 MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
3931 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
3936 mono_error_set_bad_image (error, m, "Method header with null pointer");
3941 case METHOD_HEADER_TINY_FORMAT:
3942 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER);
3945 mh->is_transient = TRUE;
3946 local_var_sig_tok = 0;
3947 mh->code_size = flags >> 2;
3948 mh->code = (unsigned char*)ptr;
3950 case METHOD_HEADER_FAT_FORMAT:
3951 fat_flags = read16 (ptr);
3953 max_stack = read16 (ptr);
3955 code_size = read32 (ptr);
3957 local_var_sig_tok = read32 (ptr);
3960 if (fat_flags & METHOD_HEADER_INIT_LOCALS)
3965 code = (unsigned char*)ptr;
3967 if (!(fat_flags & METHOD_HEADER_MORE_SECTS))
3971 * There are more sections
3973 ptr = (char*)code + code_size;
3976 mono_error_set_bad_image (error, m, "Invalid method header format %d", format);
3980 if (local_var_sig_tok) {
3981 int idx = (local_var_sig_tok & 0xffffff)-1;
3982 if (idx >= t->rows || idx < 0) {
3983 mono_error_set_bad_image (error, m, "Invalid method header local vars signature token 0x%8x", idx);
3986 mono_metadata_decode_row (t, idx, cols, 1);
3988 if (!mono_verifier_verify_standalone_signature (m, cols [MONO_STAND_ALONE_SIGNATURE], NULL)) {
3989 mono_error_set_bad_image (error, m, "Method header locals signature 0x%8x verification failed", idx);
3993 if (fat_flags & METHOD_HEADER_MORE_SECTS) {
3994 clauses = parse_section_data (m, &num_clauses, (const unsigned char*)ptr, error);
3998 if (local_var_sig_tok) {
3999 const char *locals_ptr;
4002 locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
4003 mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
4004 if (*locals_ptr != 0x07)
4005 g_warning ("wrong signature for locals blob");
4007 len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
4008 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER + len * sizeof (MonoType*) + num_clauses * sizeof (MonoExceptionClause));
4009 mh->num_locals = len;
4010 for (i = 0; i < len; ++i) {
4011 mh->locals [i] = mono_metadata_parse_type_internal (m, container, 0, TRUE, locals_ptr, &locals_ptr, error);
4016 mh = (MonoMethodHeader *)g_malloc0 (MONO_SIZEOF_METHOD_HEADER + num_clauses * sizeof (MonoExceptionClause));
4019 mh->code_size = code_size;
4020 mh->max_stack = max_stack;
4021 mh->is_transient = TRUE;
4022 mh->init_locals = init_locals;
4024 MonoExceptionClause* clausesp = (MonoExceptionClause*)&mh->locals [mh->num_locals];
4025 memcpy (clausesp, clauses, num_clauses * sizeof (MonoExceptionClause));
4027 mh->clauses = clausesp;
4028 mh->num_clauses = num_clauses;
4039 * mono_metadata_parse_mh:
4040 * \param generic_context generics context
4041 * \param ptr pointer to the method header.
4043 * Decode the method header at \p ptr, including pointer to the IL code,
4044 * info about local variables and optional exception tables.
4046 * \returns a transient \c MonoMethodHeader allocated from the heap.
4049 mono_metadata_parse_mh (MonoImage *m, const char *ptr)
4052 MonoMethodHeader *header = mono_metadata_parse_mh_full (m, NULL, ptr, &error);
4053 mono_error_cleanup (&error);
4058 * mono_metadata_free_mh:
4059 * \param mh a method header
4061 * Free the memory allocated for the method header.
4064 mono_metadata_free_mh (MonoMethodHeader *mh)
4068 /* If it is not transient it means it's part of a wrapper method,
4069 * or a SRE-generated method, so the lifetime in that case is
4070 * dictated by the method's own lifetime
4072 if (mh->is_transient) {
4073 for (i = 0; i < mh->num_locals; ++i)
4074 mono_metadata_free_type (mh->locals [i]);
4080 * mono_method_header_get_code:
4081 * \param header a \c MonoMethodHeader pointer
4082 * \param code_size memory location for returning the code size
4083 * \param max_stack memory location for returning the max stack
4085 * Method header accessor to retreive info about the IL code properties:
4086 * a pointer to the IL code itself, the size of the code and the max number
4087 * of stack slots used by the code.
4089 * \returns pointer to the IL code represented by the method header.
4091 const unsigned char*
4092 mono_method_header_get_code (MonoMethodHeader *header, guint32* code_size, guint32* max_stack)
4095 *code_size = header->code_size;
4097 *max_stack = header->max_stack;
4098 return header->code;
4102 * mono_method_header_get_locals:
4103 * \param header a \c MonoMethodHeader pointer
4104 * \param num_locals memory location for returning the number of local variables
4105 * \param init_locals memory location for returning the init_locals flag
4107 * Method header accessor to retreive info about the local variables:
4108 * an array of local types, the number of locals and whether the locals
4109 * are supposed to be initialized to 0 on method entry
4111 * \returns pointer to an array of types of the local variables
4114 mono_method_header_get_locals (MonoMethodHeader *header, guint32* num_locals, gboolean *init_locals)
4117 *num_locals = header->num_locals;
4119 *init_locals = header->init_locals;
4120 return header->locals;
4124 * mono_method_header_get_num_clauses:
4125 * @header: a MonoMethodHeader pointer
4127 * Method header accessor to retreive the number of exception clauses.
4129 * Returns: the number of exception clauses present
4132 mono_method_header_get_num_clauses (MonoMethodHeader *header)
4134 return header->num_clauses;
4138 * mono_method_header_get_clauses:
4139 * \param header a \c MonoMethodHeader pointer
4140 * \param method \c MonoMethod the header belongs to
4141 * \param iter pointer to a iterator
4142 * \param clause pointer to a \c MonoExceptionClause structure which will be filled with the info
4144 * Get the info about the exception clauses in the method. Set \c *iter to NULL to
4145 * initiate the iteration, then call the method repeatedly until it returns FALSE.
4146 * At each iteration, the structure pointed to by clause if filled with the
4147 * exception clause information.
4149 * \returns TRUE if clause was filled with info, FALSE if there are no more exception
4153 mono_method_header_get_clauses (MonoMethodHeader *header, MonoMethod *method, gpointer *iter, MonoExceptionClause *clause)
4155 MonoExceptionClause *sc;
4156 /* later we'll be able to use this interface to parse the clause info on demand,
4157 * without allocating anything.
4159 if (!iter || !header->num_clauses)
4162 *iter = sc = header->clauses;
4166 sc = (MonoExceptionClause *)*iter;
4168 if (sc < header->clauses + header->num_clauses) {
4177 * mono_metadata_parse_field_type:
4178 * \param m metadata context to extract information from
4179 * \param ptr pointer to the field signature
4180 * \param rptr pointer updated to match the end of the decoded stream
4182 * Parses the field signature, and returns the type information for it.
4184 * \returns The \c MonoType that was extracted from \p ptr .
4187 mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
4190 MonoType * type = mono_metadata_parse_type_internal (m, NULL, field_flags, FALSE, ptr, rptr, &error);
4191 mono_error_cleanup (&error);
4196 * mono_metadata_parse_param:
4197 * \param m metadata context to extract information from
4198 * \param ptr pointer to the param signature
4199 * \param rptr pointer updated to match the end of the decoded stream
4201 * Parses the param signature, and returns the type information for it.
4203 * \returns The \c MonoType that was extracted from \p ptr .
4206 mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
4209 MonoType * type = mono_metadata_parse_type_internal (m, NULL, 0, FALSE, ptr, rptr, &error);
4210 mono_error_cleanup (&error);
4215 * mono_metadata_token_from_dor:
4216 * \param dor_token A \c TypeDefOrRef coded index
4218 * \p dor_token is a \c TypeDefOrRef coded index: it contains either
4219 * a \c TypeDef, \c TypeRef or \c TypeSpec in the lower bits, and the upper
4220 * bits contain an index into the table.
4222 * \returns an expanded token
4225 mono_metadata_token_from_dor (guint32 dor_index)
4229 table = dor_index & 0x03;
4230 idx = dor_index >> 2;
4233 case 0: /* TypeDef */
4234 return MONO_TOKEN_TYPE_DEF | idx;
4235 case 1: /* TypeRef */
4236 return MONO_TOKEN_TYPE_REF | idx;
4237 case 2: /* TypeSpec */
4238 return MONO_TOKEN_TYPE_SPEC | idx;
4240 g_assert_not_reached ();
4247 * We use this to pass context information to the row locator
4250 int idx; /* The index that we are trying to locate */
4251 int col_idx; /* The index in the row where idx may be stored */
4252 MonoTableInfo *t; /* pointer to the table */
4257 * How the row locator works.
4262 * ___|___------> _______
4265 * A column in the rows of table A references an index in table B.
4266 * For example A may be the TYPEDEF table and B the METHODDEF table.
4268 * Given an index in table B we want to get the row in table A
4269 * where the column n references our index in B.
4271 * In the locator_t structure:
4273 * col_idx is the column number
4274 * index is the index in table B
4275 * result will be the index in table A
4278 * Table A Table B column (in table A)
4279 * TYPEDEF METHODDEF MONO_TYPEDEF_METHOD_LIST
4280 * TYPEDEF FIELD MONO_TYPEDEF_FIELD_LIST
4281 * PROPERTYMAP PROPERTY MONO_PROPERTY_MAP_PROPERTY_LIST
4282 * INTERFIMPL TYPEDEF MONO_INTERFACEIMPL_CLASS
4283 * METHODSEM PROPERTY ASSOCIATION (encoded index)
4285 * Note that we still don't support encoded indexes.
4289 typedef_locator (const void *a, const void *b)
4291 locator_t *loc = (locator_t *) a;
4292 const char *bb = (const char *) b;
4293 int typedef_index = (bb - loc->t->base) / loc->t->row_size;
4294 guint32 col, col_next;
4296 col = mono_metadata_decode_row_col (loc->t, typedef_index, loc->col_idx);
4302 * Need to check that the next row is valid.
4304 if (typedef_index + 1 < loc->t->rows) {
4305 col_next = mono_metadata_decode_row_col (loc->t, typedef_index + 1, loc->col_idx);
4306 if (loc->idx >= col_next)
4309 if (col == col_next)
4313 loc->result = typedef_index;
4319 table_locator (const void *a, const void *b)
4321 locator_t *loc = (locator_t *) a;
4322 const char *bb = (const char *) b;
4323 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
4326 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
4328 if (loc->idx == col) {
4329 loc->result = table_index;
4339 declsec_locator (const void *a, const void *b)
4341 locator_t *loc = (locator_t *) a;
4342 const char *bb = (const char *) b;
4343 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
4346 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
4348 if (loc->idx == col) {
4349 loc->result = table_index;
4361 * Return the 1-based row index in TABLE, which must be one of the *Ptr tables,
4362 * which contains IDX.
4365 search_ptr_table (MonoImage *image, int table, int idx)
4367 MonoTableInfo *ptrdef = &image->tables [table];
4370 /* Use a linear search to find our index in the table */
4371 for (i = 0; i < ptrdef->rows; i ++)
4372 /* All the Ptr tables have the same structure */
4373 if (mono_metadata_decode_row_col (ptrdef, i, 0) == idx)
4376 if (i < ptrdef->rows)
4383 * mono_metadata_typedef_from_field:
4384 * \param meta metadata context
4385 * \param index FieldDef token
4387 * \returns the 1-based index into the \c TypeDef table of the type that
4388 * declared the field described by \p index, or 0 if not found.
4391 mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
4393 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
4399 loc.idx = mono_metadata_token_index (index);
4400 loc.col_idx = MONO_TYPEDEF_FIELD_LIST;
4403 if (meta->uncompressed_metadata)
4404 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
4406 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
4409 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4410 return loc.result + 1;
4414 * mono_metadata_typedef_from_method:
4415 * \param meta metadata context
4416 * \param index \c MethodDef token
4417 * \returns the 1-based index into the \c TypeDef table of the type that
4418 * declared the method described by \p index. 0 if not found.
4421 mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
4423 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
4429 loc.idx = mono_metadata_token_index (index);
4430 loc.col_idx = MONO_TYPEDEF_METHOD_LIST;
4433 if (meta->uncompressed_metadata)
4434 loc.idx = search_ptr_table (meta, MONO_TABLE_METHOD_POINTER, loc.idx);
4436 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
4439 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4440 return loc.result + 1;
4444 * mono_metadata_interfaces_from_typedef_full:
4445 * @meta: metadata context
4446 * @index: typedef token
4447 * @interfaces: Out parameter used to store the interface array
4448 * @count: Out parameter used to store the number of interfaces
4449 * @heap_alloc_result: if TRUE the result array will be g_malloc'd
4450 * @context: The generic context
4452 * The array of interfaces that the @index typedef token implements is returned in
4453 * @interfaces. The number of elements in the array is returned in @count.
4456 * Returns: TRUE on success, FALSE on failure.
4459 mono_metadata_interfaces_from_typedef_full (MonoImage *meta, guint32 index, MonoClass ***interfaces, guint *count, gboolean heap_alloc_result, MonoGenericContext *context, MonoError *error)
4461 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
4464 guint32 cols [MONO_INTERFACEIMPL_SIZE];
4475 loc.idx = mono_metadata_token_index (index);
4476 loc.col_idx = MONO_INTERFACEIMPL_CLASS;
4479 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4484 * We may end up in the middle of the rows...
4487 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_INTERFACEIMPL_CLASS))
4493 while (pos < tdef->rows) {
4494 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4495 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4500 if (heap_alloc_result)
4501 result = g_new0 (MonoClass*, pos - start);
4503 result = (MonoClass **)mono_image_alloc0 (meta, sizeof (MonoClass*) * (pos - start));
4506 while (pos < tdef->rows) {
4509 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4510 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4512 iface = mono_class_get_and_inflate_typespec_checked (
4513 meta, mono_metadata_token_from_dor (cols [MONO_INTERFACEIMPL_INTERFACE]), context, error);
4516 result [pos - start] = iface;
4519 *count = pos - start;
4520 *interfaces = result;
4525 * mono_metadata_interfaces_from_typedef:
4526 * \param meta metadata context
4527 * \param index typedef token
4528 * \param count Out parameter used to store the number of interfaces
4530 * The array of interfaces that the \p index typedef token implements is returned in
4531 * \p interfaces. The number of elements in the array is returned in \p count. The returned
4532 * array is allocated with \c g_malloc and the caller must free it.
4534 * LOCKING: Acquires the loader lock .
4536 * \returns the interface array on success, NULL on failure.
4539 mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
4542 MonoClass **interfaces = NULL;
4545 rv = mono_metadata_interfaces_from_typedef_full (meta, index, &interfaces, count, TRUE, NULL, &error);
4546 g_assert (mono_error_ok (&error)); /* FIXME dont swallow the error */
4554 * mono_metadata_nested_in_typedef:
4555 * \param meta metadata context
4556 * \param index typedef token
4557 * \returns the 1-based index into the TypeDef table of the type
4558 * where the type described by \p index is nested.
4559 * Returns 0 if \p index describes a non-nested type.
4562 mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
4564 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4570 loc.idx = mono_metadata_token_index (index);
4571 loc.col_idx = MONO_NESTED_CLASS_NESTED;
4574 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4577 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4578 return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
4582 * mono_metadata_nesting_typedef:
4583 * \param meta metadata context
4584 * \param index typedef token
4585 * \returns the 1-based index into the \c TypeDef table of the first type
4586 * that is nested inside the type described by \p index. The search starts at
4587 * \p start_index. Returns 0 if no such type is found.
4590 mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
4592 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4594 guint32 class_index = mono_metadata_token_index (index);
4599 start = start_index;
4601 while (start <= tdef->rows) {
4602 if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
4608 if (start > tdef->rows)
4615 * mono_metadata_packing_from_typedef:
4616 * \param meta metadata context
4617 * \param index token representing a type
4618 * \returns the info stored in the \c ClassLayout table for the given typedef token
4619 * into the \p packing and \p size pointers.
4620 * Returns 0 if the info is not found.
4623 mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
4625 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
4627 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
4632 loc.idx = mono_metadata_token_index (index);
4633 loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
4636 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4639 mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
4641 *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
4643 *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
4645 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4646 return loc.result + 1;
4650 * mono_metadata_custom_attrs_from_index:
4651 * \param meta metadata context
4652 * \param index token representing the parent
4653 * \returns: the 1-based index into the \c CustomAttribute table of the first
4654 * attribute which belongs to the metadata object described by \p index.
4655 * Returns 0 if no such attribute is found.
4658 mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
4660 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
4667 loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
4670 /* FIXME: Index translation */
4672 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4675 /* Find the first entry by searching backwards */
4676 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
4679 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4680 return loc.result + 1;
4684 * mono_metadata_declsec_from_index:
4685 * \param meta metadata context
4686 * \param index token representing the parent
4687 * \returns the 0-based index into the \c DeclarativeSecurity table of the first
4688 * attribute which belongs to the metadata object described by \p index.
4689 * Returns \c -1 if no such attribute is found.
4692 mono_metadata_declsec_from_index (MonoImage *meta, guint32 index)
4694 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_DECLSECURITY];
4701 loc.col_idx = MONO_DECL_SECURITY_PARENT;
4704 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, declsec_locator))
4707 /* Find the first entry by searching backwards */
4708 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_DECL_SECURITY_PARENT) == index))
4715 * mono_metadata_localscope_from_methoddef:
4716 * @meta: metadata context
4717 * @index: methoddef index
4719 * Returns: the 1-based index into the LocalScope table of the first
4720 * scope which belongs to the method described by @index.
4721 * Returns 0 if no such row is found.
4724 mono_metadata_localscope_from_methoddef (MonoImage *meta, guint32 index)
4726 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_LOCALSCOPE];
4733 loc.col_idx = MONO_LOCALSCOPE_METHOD;
4736 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4739 /* Find the first entry by searching backwards */
4740 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_LOCALSCOPE_METHOD) == index))
4743 return loc.result + 1;
4748 mono_backtrace (int limit)
4753 backtrace (array, limit);
4754 names = backtrace_symbols (array, limit);
4755 for (i =0; i < limit; ++i) {
4756 g_print ("\t%s\n", names [i]);
4762 static int i8_align;
4765 * mono_type_set_alignment:
4767 * Set the alignment used by runtime to layout fields etc. of type TYPE to ALIGN.
4768 * This should only be used in AOT mode since the resulting layout will not match the
4772 mono_type_set_alignment (MonoTypeEnum type, int align)
4774 /* Support only a few types whose alignment is abi dependent */
4780 g_assert_not_reached ();
4787 * \param t the type to return the size of
4788 * \returns The number of bytes required to hold an instance of this
4792 mono_type_size (MonoType *t, int *align)
4794 MonoTypeEnum simple_type;
4801 *align = MONO_ABI_ALIGNOF (gpointer);
4802 return MONO_ABI_SIZEOF (gpointer);
4805 simple_type = t->type;
4807 switch (simple_type) {
4808 case MONO_TYPE_VOID:
4811 case MONO_TYPE_BOOLEAN:
4812 *align = MONO_ABI_ALIGNOF (gint8);
4816 *align = MONO_ABI_ALIGNOF (gint8);
4818 case MONO_TYPE_CHAR:
4821 *align = MONO_ABI_ALIGNOF (gint16);
4825 *align = MONO_ABI_ALIGNOF (gint32);
4828 *align = MONO_ABI_ALIGNOF (float);
4832 *align = MONO_ABI_ALIGNOF (gint64);
4835 *align = MONO_ABI_ALIGNOF (double);
4839 *align = MONO_ABI_ALIGNOF (gpointer);
4840 return MONO_ABI_SIZEOF (gpointer);
4841 case MONO_TYPE_VALUETYPE: {
4842 if (t->data.klass->enumtype)
4843 return mono_type_size (mono_class_enum_basetype (t->data.klass), align);
4845 return mono_class_value_size (t->data.klass, (guint32*)align);
4847 case MONO_TYPE_STRING:
4848 case MONO_TYPE_OBJECT:
4849 case MONO_TYPE_CLASS:
4850 case MONO_TYPE_SZARRAY:
4852 case MONO_TYPE_FNPTR:
4853 case MONO_TYPE_ARRAY:
4854 *align = MONO_ABI_ALIGNOF (gpointer);
4855 return MONO_ABI_SIZEOF (gpointer);
4856 case MONO_TYPE_TYPEDBYREF:
4857 return mono_class_value_size (mono_defaults.typed_reference_class, (guint32*)align);
4858 case MONO_TYPE_GENERICINST: {
4859 MonoGenericClass *gclass = t->data.generic_class;
4860 MonoClass *container_class = gclass->container_class;
4862 // g_assert (!gclass->inst->is_open);
4864 if (container_class->valuetype) {
4865 if (container_class->enumtype)
4866 return mono_type_size (mono_class_enum_basetype (container_class), align);
4868 return mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4870 *align = MONO_ABI_ALIGNOF (gpointer);
4871 return MONO_ABI_SIZEOF (gpointer);
4875 case MONO_TYPE_MVAR:
4876 if (!t->data.generic_param->gshared_constraint || t->data.generic_param->gshared_constraint->type == MONO_TYPE_VALUETYPE) {
4877 *align = MONO_ABI_ALIGNOF (gpointer);
4878 return MONO_ABI_SIZEOF (gpointer);
4880 /* The gparam can only match types given by gshared_constraint */
4881 return mono_type_size (t->data.generic_param->gshared_constraint, align);
4885 g_error ("mono_type_size: type 0x%02x unknown", t->type);
4891 * mono_type_stack_size:
4892 * \param t the type to return the size it uses on the stack
4893 * \returns The number of bytes required to hold an instance of this
4894 * type on the runtime stack
4897 mono_type_stack_size (MonoType *t, int *align)
4899 return mono_type_stack_size_internal (t, align, FALSE);
4903 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open)
4906 MonoTypeEnum simple_type;
4907 #if SIZEOF_VOID_P == SIZEOF_REGISTER
4908 int stack_slot_size = MONO_ABI_SIZEOF (gpointer);
4909 int stack_slot_align = MONO_ABI_ALIGNOF (gpointer);
4910 #elif SIZEOF_VOID_P < SIZEOF_REGISTER
4911 int stack_slot_size = SIZEOF_REGISTER;
4912 int stack_slot_align = SIZEOF_REGISTER;
4915 g_assert (t != NULL);
4921 *align = stack_slot_align;
4922 return stack_slot_size;
4925 simple_type = t->type;
4926 switch (simple_type) {
4927 case MONO_TYPE_BOOLEAN:
4928 case MONO_TYPE_CHAR:
4937 case MONO_TYPE_STRING:
4938 case MONO_TYPE_OBJECT:
4939 case MONO_TYPE_CLASS:
4940 case MONO_TYPE_SZARRAY:
4942 case MONO_TYPE_FNPTR:
4943 case MONO_TYPE_ARRAY:
4944 *align = stack_slot_align;
4945 return stack_slot_size;
4947 case MONO_TYPE_MVAR:
4948 g_assert (allow_open);
4949 if (!t->data.generic_param->gshared_constraint || t->data.generic_param->gshared_constraint->type == MONO_TYPE_VALUETYPE) {
4950 *align = stack_slot_align;
4951 return stack_slot_size;
4953 /* The gparam can only match types given by gshared_constraint */
4954 return mono_type_stack_size_internal (t->data.generic_param->gshared_constraint, align, allow_open);
4956 case MONO_TYPE_TYPEDBYREF:
4957 *align = stack_slot_align;
4958 return stack_slot_size * 3;
4960 *align = MONO_ABI_ALIGNOF (float);
4961 return sizeof (float);
4964 *align = MONO_ABI_ALIGNOF (gint64);
4965 return sizeof (gint64);
4967 *align = MONO_ABI_ALIGNOF (double);
4968 return sizeof (double);
4969 case MONO_TYPE_VALUETYPE: {
4972 if (t->data.klass->enumtype)
4973 return mono_type_stack_size_internal (mono_class_enum_basetype (t->data.klass), align, allow_open);
4975 size = mono_class_value_size (t->data.klass, (guint32*)align);
4977 *align = *align + stack_slot_align - 1;
4978 *align &= ~(stack_slot_align - 1);
4980 size += stack_slot_size - 1;
4981 size &= ~(stack_slot_size - 1);
4986 case MONO_TYPE_GENERICINST: {
4987 MonoGenericClass *gclass = t->data.generic_class;
4988 MonoClass *container_class = gclass->container_class;
4991 g_assert (!gclass->context.class_inst->is_open);
4993 if (container_class->valuetype) {
4994 if (container_class->enumtype)
4995 return mono_type_stack_size_internal (mono_class_enum_basetype (container_class), align, allow_open);
4997 guint32 size = mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4999 *align = *align + stack_slot_align - 1;
5000 *align &= ~(stack_slot_align - 1);
5002 size += stack_slot_size - 1;
5003 size &= ~(stack_slot_size - 1);
5008 *align = stack_slot_align;
5009 return stack_slot_size;
5013 g_error ("type 0x%02x unknown", t->type);
5019 mono_type_generic_inst_is_valuetype (MonoType *type)
5021 g_assert (type->type == MONO_TYPE_GENERICINST);
5022 return type->data.generic_class->container_class->valuetype;
5026 * mono_metadata_generic_class_is_valuetype:
5029 mono_metadata_generic_class_is_valuetype (MonoGenericClass *gclass)
5031 return gclass->container_class->valuetype;
5035 _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2, gboolean signature_only)
5037 MonoGenericInst *i1 = g1->context.class_inst;
5038 MonoGenericInst *i2 = g2->context.class_inst;
5040 if (g1->is_dynamic != g2->is_dynamic)
5042 if (!mono_metadata_class_equal (g1->container_class, g2->container_class, signature_only))
5044 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
5046 return g1->is_tb_open == g2->is_tb_open;
5050 _mono_metadata_generic_class_container_equal (const MonoGenericClass *g1, MonoClass *c2, gboolean signature_only)
5052 MonoGenericInst *i1 = g1->context.class_inst;
5053 MonoGenericInst *i2 = mono_class_get_generic_container (c2)->context.class_inst;
5055 if (!mono_metadata_class_equal (g1->container_class, c2, signature_only))
5057 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
5059 return !g1->is_tb_open;
5063 mono_metadata_generic_context_hash (const MonoGenericContext *context)
5065 /* FIXME: check if this seed is good enough */
5066 guint hash = 0xc01dfee7;
5067 if (context->class_inst)
5068 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->class_inst);
5069 if (context->method_inst)
5070 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->method_inst);
5075 mono_metadata_generic_context_equal (const MonoGenericContext *g1, const MonoGenericContext *g2)
5077 return g1->class_inst == g2->class_inst && g1->method_inst == g2->method_inst;
5081 * mono_metadata_str_hash:
5083 * This should be used instead of g_str_hash for computing hash codes visible
5084 * outside this module, since g_str_hash () is not guaranteed to be stable
5085 * (its not the same in eglib for example).
5088 mono_metadata_str_hash (gconstpointer v1)
5090 /* Same as g_str_hash () in glib */
5091 char *p = (char *) v1;
5096 hash = (hash << 5) - hash + *p;
5103 * mono_metadata_type_hash:
5105 * Computes a hash value for \p t1 to be used in \c GHashTable.
5106 * The returned hash is guaranteed to be the same across executions.
5109 mono_metadata_type_hash (MonoType *t1)
5111 guint hash = t1->type;
5113 hash |= t1->byref << 6; /* do not collide with t1->type values */
5115 case MONO_TYPE_VALUETYPE:
5116 case MONO_TYPE_CLASS:
5117 case MONO_TYPE_SZARRAY: {
5118 MonoClass *klass = t1->data.klass;
5120 * Dynamic classes must not be hashed on their type since it can change
5121 * during runtime. For example, if we hash a reference type that is
5122 * later made into a valuetype.
5124 * This is specially problematic with generic instances since they are
5125 * inserted in a bunch of hash tables before been finished.
5127 if (image_is_dynamic (klass->image))
5128 return (t1->byref << 6) | mono_metadata_str_hash (klass->name);
5129 return ((hash << 5) - hash) ^ mono_metadata_str_hash (klass->name);
5132 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
5133 case MONO_TYPE_ARRAY:
5134 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
5135 case MONO_TYPE_GENERICINST:
5136 return ((hash << 5) - hash) ^ mono_generic_class_hash (t1->data.generic_class);
5138 case MONO_TYPE_MVAR:
5139 return ((hash << 5) - hash) ^ mono_metadata_generic_param_hash (t1->data.generic_param);
5146 mono_metadata_generic_param_hash (MonoGenericParam *p)
5149 MonoGenericParamInfo *info;
5151 hash = (mono_generic_param_num (p) << 2);
5152 if (p->gshared_constraint)
5153 hash = ((hash << 5) - hash) ^ mono_metadata_type_hash (p->gshared_constraint);
5154 info = mono_generic_param_info (p);
5155 /* Can't hash on the owner klass/method, since those might not be set when this is called */
5157 hash = ((hash << 5) - hash) ^ info->token;
5162 mono_metadata_generic_param_equal_internal (MonoGenericParam *p1, MonoGenericParam *p2, gboolean signature_only)
5166 if (mono_generic_param_num (p1) != mono_generic_param_num (p2))
5168 if (p1->gshared_constraint && p2->gshared_constraint) {
5169 if (!mono_metadata_type_equal (p1->gshared_constraint, p2->gshared_constraint))
5172 if (p1->gshared_constraint != p2->gshared_constraint)
5177 * We have to compare the image as well because if we didn't,
5178 * the generic_inst_cache lookup wouldn't care about the image
5179 * of generic params, so what could happen is that a generic
5180 * inst with params from image A is put into the cache, then
5181 * image B gets that generic inst from the cache, image A is
5182 * unloaded, so the inst is deleted, but image B still retains
5185 if (mono_generic_param_owner (p1) == mono_generic_param_owner (p2))
5189 * If `signature_only' is true, we're comparing two (method) signatures.
5190 * In this case, the owner of two type parameters doesn't need to match.
5193 return signature_only;
5197 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2)
5199 return mono_metadata_generic_param_equal_internal (p1, p2, TRUE);
5203 mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only)
5207 if (mono_class_is_ginst (c1) && mono_class_is_ginst (c2))
5208 return _mono_metadata_generic_class_equal (mono_class_get_generic_class (c1), mono_class_get_generic_class (c2), signature_only);
5209 if (mono_class_is_ginst (c1) && mono_class_is_gtd (c2))
5210 return _mono_metadata_generic_class_container_equal (mono_class_get_generic_class (c1), c2, signature_only);
5211 if (mono_class_is_gtd (c1) && mono_class_is_ginst (c2))
5212 return _mono_metadata_generic_class_container_equal (mono_class_get_generic_class (c2), c1, signature_only);
5213 if ((c1->byval_arg.type == MONO_TYPE_VAR) && (c2->byval_arg.type == MONO_TYPE_VAR))
5214 return mono_metadata_generic_param_equal_internal (
5215 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
5216 if ((c1->byval_arg.type == MONO_TYPE_MVAR) && (c2->byval_arg.type == MONO_TYPE_MVAR))
5217 return mono_metadata_generic_param_equal_internal (
5218 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
5219 if (signature_only &&
5220 (c1->byval_arg.type == MONO_TYPE_SZARRAY) && (c2->byval_arg.type == MONO_TYPE_SZARRAY))
5221 return mono_metadata_class_equal (c1->byval_arg.data.klass, c2->byval_arg.data.klass, signature_only);
5222 if (signature_only &&
5223 (c1->byval_arg.type == MONO_TYPE_ARRAY) && (c2->byval_arg.type == MONO_TYPE_ARRAY))
5224 return do_mono_metadata_type_equal (&c1->byval_arg, &c2->byval_arg, signature_only);
5229 mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only)
5231 gpointer iter1 = 0, iter2 = 0;
5235 if (s1->call_convention != s2->call_convention)
5237 if (s1->sentinelpos != s2->sentinelpos)
5239 if (s1->hasthis != s2->hasthis)
5241 if (s1->explicit_this != s2->explicit_this)
5243 if (! do_mono_metadata_type_equal (s1->ret, s2->ret, signature_only))
5245 if (s1->param_count != s2->param_count)
5249 MonoType *t1 = mono_signature_get_params (s1, &iter1);
5250 MonoType *t2 = mono_signature_get_params (s2, &iter2);
5252 if (t1 == NULL || t2 == NULL)
5254 if (! do_mono_metadata_type_equal (t1, t2, signature_only))
5260 * mono_metadata_type_equal:
5263 * @signature_only: If true, treat ginsts as equal which are instantiated separately but have equal positional value
5265 * Determine if @t1 and @t2 represent the same type.
5266 * Returns: #TRUE if @t1 and @t2 are equal.
5269 do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only)
5271 if (t1->type != t2->type || t1->byref != t2->byref)
5275 case MONO_TYPE_VOID:
5276 case MONO_TYPE_BOOLEAN:
5277 case MONO_TYPE_CHAR:
5288 case MONO_TYPE_STRING:
5291 case MONO_TYPE_OBJECT:
5292 case MONO_TYPE_TYPEDBYREF:
5294 case MONO_TYPE_VALUETYPE:
5295 case MONO_TYPE_CLASS:
5296 case MONO_TYPE_SZARRAY:
5297 return mono_metadata_class_equal (t1->data.klass, t2->data.klass, signature_only);
5299 return do_mono_metadata_type_equal (t1->data.type, t2->data.type, signature_only);
5300 case MONO_TYPE_ARRAY:
5301 if (t1->data.array->rank != t2->data.array->rank)
5303 return mono_metadata_class_equal (t1->data.array->eklass, t2->data.array->eklass, signature_only);
5304 case MONO_TYPE_GENERICINST:
5305 return _mono_metadata_generic_class_equal (
5306 t1->data.generic_class, t2->data.generic_class, signature_only);
5308 return mono_metadata_generic_param_equal_internal (
5309 t1->data.generic_param, t2->data.generic_param, signature_only);
5310 case MONO_TYPE_MVAR:
5311 return mono_metadata_generic_param_equal_internal (
5312 t1->data.generic_param, t2->data.generic_param, signature_only);
5313 case MONO_TYPE_FNPTR:
5314 return mono_metadata_fnptr_equal (t1->data.method, t2->data.method, signature_only);
5316 g_error ("implement type compare for %0x!", t1->type);
5324 * mono_metadata_type_equal:
5327 mono_metadata_type_equal (MonoType *t1, MonoType *t2)
5329 return do_mono_metadata_type_equal (t1, t2, FALSE);
5333 * mono_metadata_type_equal_full:
5335 * \param t2 another type
5336 * \param signature_only if signature only comparison should be made
5338 * Determine if \p t1 and \p t2 are signature compatible if \p signature_only is TRUE, otherwise
5339 * behaves the same way as mono_metadata_type_equal.
5340 * The function mono_metadata_type_equal(a, b) is just a shortcut for mono_metadata_type_equal_full(a, b, FALSE).
5341 * \returns TRUE if \p t1 and \p t2 are equal taking \p signature_only into account.
5344 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only)
5346 return do_mono_metadata_type_equal (t1, t2, signature_only);
5350 * mono_metadata_signature_equal:
5351 * \param sig1 a signature
5352 * \param sig2 another signature
5354 * Determine if \p sig1 and \p sig2 represent the same signature, with the
5355 * same number of arguments and the same types.
5356 * \returns TRUE if \p sig1 and \p sig2 are equal.
5359 mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
5363 if (sig1->hasthis != sig2->hasthis || sig1->param_count != sig2->param_count)
5366 if (sig1->generic_param_count != sig2->generic_param_count)
5370 * We're just comparing the signatures of two methods here:
5372 * If we have two generic methods `void Foo<U> (U u)' and `void Bar<V> (V v)',
5373 * U and V are equal here.
5375 * That's what the `signature_only' argument of do_mono_metadata_type_equal() is for.
5378 for (i = 0; i < sig1->param_count; i++) {
5379 MonoType *p1 = sig1->params[i];
5380 MonoType *p2 = sig2->params[i];
5382 /* if (p1->attrs != p2->attrs)
5385 if (!do_mono_metadata_type_equal (p1, p2, TRUE))
5389 if (!do_mono_metadata_type_equal (sig1->ret, sig2->ret, TRUE))
5395 * mono_metadata_type_dup:
5396 * \param image image to alloc memory from
5397 * \param original type to duplicate
5398 * \returns copy of type allocated from the image's mempool (or from the heap, if \p image is null).
5401 mono_metadata_type_dup (MonoImage *image, const MonoType *o)
5404 int sizeof_o = MONO_SIZEOF_TYPE;
5406 sizeof_o += o->num_mods * sizeof (MonoCustomMod);
5408 r = image ? (MonoType *)mono_image_alloc0 (image, sizeof_o) : (MonoType *)g_malloc (sizeof_o);
5410 memcpy (r, o, sizeof_o);
5412 if (o->type == MONO_TYPE_PTR) {
5413 r->data.type = mono_metadata_type_dup (image, o->data.type);
5414 } else if (o->type == MONO_TYPE_ARRAY) {
5415 r->data.array = mono_dup_array_type (image, o->data.array);
5416 } else if (o->type == MONO_TYPE_FNPTR) {
5417 /*FIXME the dup'ed signature is leaked mono_metadata_free_type*/
5418 r->data.method = mono_metadata_signature_deep_dup (image, o->data.method);
5424 * mono_signature_hash:
5427 mono_signature_hash (MonoMethodSignature *sig)
5429 guint i, res = sig->ret->type;
5431 for (i = 0; i < sig->param_count; i++)
5432 res = (res << 5) - res + mono_type_hash (sig->params[i]);
5438 * mono_metadata_encode_value:
5439 * @value: value to encode
5440 * @buf: buffer where to write the compressed representation
5441 * @endbuf: pointer updated to point at the end of the encoded output
5443 * Encodes the value @value in the compressed representation used
5444 * in metadata and stores the result in @buf. @buf needs to be big
5445 * enough to hold the data (4 bytes).
5448 mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
5454 else if (value < 0x4000) {
5455 p [0] = 0x80 | (value >> 8);
5456 p [1] = value & 0xff;
5459 p [0] = (value >> 24) | 0xc0;
5460 p [1] = (value >> 16) & 0xff;
5461 p [2] = (value >> 8) & 0xff;
5462 p [3] = value & 0xff;
5470 * mono_metadata_field_info:
5471 * \param meta the Image the field is defined in
5472 * \param index the index in the field table representing the field
5473 * \param offset a pointer to an integer where to store the offset that may have been specified for the field in a FieldLayout table
5474 * \param rva a pointer to the RVA of the field data in the image that may have been defined in a \c FieldRVA table
5475 * \param marshal_spec a pointer to the marshal spec that may have been defined for the field in a \c FieldMarshal table.
5477 * Gather info for field \p index that may have been defined in the \c FieldLayout,
5478 * \c FieldRVA and \c FieldMarshal tables.
5479 * Either of \p offset, \p rva and \p marshal_spec can be NULL if you're not interested
5483 mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5484 MonoMarshalSpec **marshal_spec)
5486 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, FALSE);
5490 mono_metadata_field_info_with_mempool (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5491 MonoMarshalSpec **marshal_spec)
5493 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, TRUE);
5497 mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5498 MonoMarshalSpec **marshal_spec, gboolean alloc_from_image)
5500 MonoTableInfo *tdef;
5503 loc.idx = index + 1;
5504 if (meta->uncompressed_metadata)
5505 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
5508 tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
5510 loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
5513 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5514 *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
5516 *offset = (guint32)-1;
5520 tdef = &meta->tables [MONO_TABLE_FIELDRVA];
5522 loc.col_idx = MONO_FIELD_RVA_FIELD;
5525 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5527 * LAMESPEC: There is no signature, no nothing, just the raw data.
5529 *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
5537 if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
5538 *marshal_spec = mono_metadata_parse_marshal_spec_full (alloc_from_image ? meta : NULL, meta, p);
5545 * mono_metadata_get_constant_index:
5546 * \param meta the Image the field is defined in
5547 * \param index the token that may have a row defined in the constants table
5548 * \param hint possible position for the row
5550 * \p token must be a \c FieldDef, \c ParamDef or \c PropertyDef token.
5552 * \returns the index into the \c Constants table or 0 if not found.
5555 mono_metadata_get_constant_index (MonoImage *meta, guint32 token, guint32 hint)
5557 MonoTableInfo *tdef;
5559 guint32 index = mono_metadata_token_index (token);
5561 tdef = &meta->tables [MONO_TABLE_CONSTANT];
5562 index <<= MONO_HASCONSTANT_BITS;
5563 switch (mono_metadata_token_table (token)) {
5564 case MONO_TABLE_FIELD:
5565 index |= MONO_HASCONSTANT_FIEDDEF;
5567 case MONO_TABLE_PARAM:
5568 index |= MONO_HASCONSTANT_PARAM;
5570 case MONO_TABLE_PROPERTY:
5571 index |= MONO_HASCONSTANT_PROPERTY;
5574 g_warning ("Not a valid token for the constant table: 0x%08x", token);
5578 loc.col_idx = MONO_CONSTANT_PARENT;
5581 /* FIXME: Index translation */
5583 if ((hint > 0) && (hint < tdef->rows) && (mono_metadata_decode_row_col (tdef, hint - 1, MONO_CONSTANT_PARENT) == index))
5586 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5587 return loc.result + 1;
5593 * mono_metadata_events_from_typedef:
5594 * \param meta metadata context
5595 * \param index 0-based index (in the \c TypeDef table) describing a type
5596 * \returns the 0-based index in the \c Event table for the events in the
5597 * type. The last event that belongs to the type (plus 1) is stored
5598 * in the \p end_idx pointer.
5601 mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5605 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
5613 loc.col_idx = MONO_EVENT_MAP_PARENT;
5614 loc.idx = index + 1;
5616 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5619 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
5620 if (loc.result + 1 < tdef->rows) {
5621 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
5623 end = meta->tables [MONO_TABLE_EVENT].rows;
5631 * mono_metadata_methods_from_event:
5632 * \param meta metadata context
5633 * \param index 0-based index (in the \c Event table) describing a event
5634 * \returns the 0-based index in the \c MethodDef table for the methods in the
5635 * event. The last method that belongs to the event (plus 1) is stored
5636 * in the \p end_idx pointer.
5639 mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
5643 guint32 cols [MONO_METHOD_SEMA_SIZE];
5644 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5650 if (meta->uncompressed_metadata)
5651 index = search_ptr_table (meta, MONO_TABLE_EVENT_POINTER, index + 1) - 1;
5654 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5655 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_EVENT; /* Method association coded index */
5657 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5662 * We may end up in the middle of the rows...
5665 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5671 while (end < msemt->rows) {
5672 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5673 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5682 * mono_metadata_properties_from_typedef:
5683 * \param meta metadata context
5684 * \param index 0-based index (in the \c TypeDef table) describing a type
5685 * \returns the 0-based index in the \c Property table for the properties in the
5686 * type. The last property that belongs to the type (plus 1) is stored
5687 * in the \p end_idx pointer.
5690 mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5694 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
5702 loc.col_idx = MONO_PROPERTY_MAP_PARENT;
5703 loc.idx = index + 1;
5705 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5708 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
5709 if (loc.result + 1 < tdef->rows) {
5710 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
5712 end = meta->tables [MONO_TABLE_PROPERTY].rows;
5720 * mono_metadata_methods_from_property:
5721 * \param meta metadata context
5722 * \param index 0-based index (in the \c PropertyDef table) describing a property
5723 * \returns the 0-based index in the \c MethodDef table for the methods in the
5724 * property. The last method that belongs to the property (plus 1) is stored
5725 * in the \p end_idx pointer.
5728 mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
5732 guint32 cols [MONO_METHOD_SEMA_SIZE];
5733 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5739 if (meta->uncompressed_metadata)
5740 index = search_ptr_table (meta, MONO_TABLE_PROPERTY_POINTER, index + 1) - 1;
5743 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5744 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_PROPERTY; /* Method association coded index */
5746 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5751 * We may end up in the middle of the rows...
5754 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5760 while (end < msemt->rows) {
5761 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5762 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5771 * mono_metadata_implmap_from_method:
5774 mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
5777 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
5782 /* No index translation seems to be needed */
5785 loc.col_idx = MONO_IMPLMAP_MEMBER;
5786 loc.idx = ((method_idx + 1) << MONO_MEMBERFORWD_BITS) | MONO_MEMBERFORWD_METHODDEF;
5788 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5791 return loc.result + 1;
5795 * mono_type_create_from_typespec:
5796 * \param image context where the image is created
5797 * \param type_spec typespec token
5798 * \deprecated use \c mono_type_create_from_typespec_checked that has proper error handling
5800 * Creates a \c MonoType representing the \c TypeSpec indexed by the \p type_spec
5804 mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
5807 MonoType *type = mono_type_create_from_typespec_checked (image, type_spec, &error);
5809 g_error ("Could not create typespec %x due to %s", type_spec, mono_error_get_message (&error));
5814 mono_type_create_from_typespec_checked (MonoImage *image, guint32 type_spec, MonoError *error)
5817 guint32 idx = mono_metadata_token_index (type_spec);
5819 guint32 cols [MONO_TYPESPEC_SIZE];
5821 MonoType *type, *type2;
5825 type = (MonoType *)mono_conc_hashtable_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5829 t = &image->tables [MONO_TABLE_TYPESPEC];
5831 mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
5832 ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
5834 if (!mono_verifier_verify_typespec_signature (image, cols [MONO_TYPESPEC_SIGNATURE], type_spec, NULL)) {
5835 mono_error_set_bad_image (error, image, "Could not verify type spec %08x.", type_spec);
5839 mono_metadata_decode_value (ptr, &ptr);
5841 type = mono_metadata_parse_type_checked (image, NULL, 0, TRUE, ptr, &ptr, error);
5845 type2 = mono_metadata_type_dup (image, type);
5846 mono_metadata_free_type (type);
5848 mono_image_lock (image);
5850 /* We might leak some data in the image mempool if found */
5851 type = mono_conc_hashtable_insert (image->typespec_cache, GUINT_TO_POINTER (type_spec), type2);
5855 mono_image_unlock (image);
5862 mono_image_strndup (MonoImage *image, const char *data, guint len)
5866 return g_strndup (data, len);
5867 res = (char *)mono_image_alloc (image, len + 1);
5868 memcpy (res, data, len);
5874 * mono_metadata_parse_marshal_spec:
5877 mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
5879 return mono_metadata_parse_marshal_spec_full (NULL, image, ptr);
5883 * If IMAGE is non-null, memory will be allocated from its mempool, otherwise it will be allocated using malloc.
5884 * PARENT_IMAGE is the image containing the marshal spec.
5887 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr)
5889 MonoMarshalSpec *res;
5891 const char *start = ptr;
5893 /* fixme: this is incomplete, but I cant find more infos in the specs */
5896 res = (MonoMarshalSpec *)mono_image_alloc0 (image, sizeof (MonoMarshalSpec));
5898 res = g_new0 (MonoMarshalSpec, 1);
5900 len = mono_metadata_decode_value (ptr, &ptr);
5901 res->native = (MonoMarshalNative)*ptr++;
5903 if (res->native == MONO_NATIVE_LPARRAY) {
5904 res->data.array_data.param_num = -1;
5905 res->data.array_data.num_elem = -1;
5906 res->data.array_data.elem_mult = -1;
5908 if (ptr - start <= len)
5909 res->data.array_data.elem_type = (MonoMarshalNative)*ptr++;
5910 if (ptr - start <= len)
5911 res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
5912 if (ptr - start <= len)
5913 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5914 if (ptr - start <= len) {
5916 * LAMESPEC: Older spec versions say this parameter comes before
5917 * num_elem. Never spec versions don't talk about elem_mult at
5918 * all, but csc still emits it, and it is used to distinguish
5919 * between param_num being 0, and param_num being omitted.
5920 * So if (param_num == 0) && (num_elem > 0), then
5921 * elem_mult == 0 -> the array size is num_elem
5922 * elem_mult == 1 -> the array size is @param_num + num_elem
5924 res->data.array_data.elem_mult = mono_metadata_decode_value (ptr, &ptr);
5928 if (res->native == MONO_NATIVE_BYVALTSTR) {
5929 if (ptr - start <= len)
5930 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5933 if (res->native == MONO_NATIVE_BYVALARRAY) {
5934 if (ptr - start <= len)
5935 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5938 if (res->native == MONO_NATIVE_CUSTOM) {
5939 /* skip unused type guid */
5940 len = mono_metadata_decode_value (ptr, &ptr);
5942 /* skip unused native type name */
5943 len = mono_metadata_decode_value (ptr, &ptr);
5945 /* read custom marshaler type name */
5946 len = mono_metadata_decode_value (ptr, &ptr);
5947 res->data.custom_data.custom_name = mono_image_strndup (image, ptr, len);
5949 /* read cookie string */
5950 len = mono_metadata_decode_value (ptr, &ptr);
5951 res->data.custom_data.cookie = mono_image_strndup (image, ptr, len);
5952 res->data.custom_data.image = parent_image;
5955 if (res->native == MONO_NATIVE_SAFEARRAY) {
5956 res->data.safearray_data.elem_type = (MonoMarshalVariant)0;
5957 res->data.safearray_data.num_elem = 0;
5958 if (ptr - start <= len)
5959 res->data.safearray_data.elem_type = (MonoMarshalVariant)*ptr++;
5960 if (ptr - start <= len)
5961 res->data.safearray_data.num_elem = *ptr++;
5967 * mono_metadata_free_marshal_spec:
5970 mono_metadata_free_marshal_spec (MonoMarshalSpec *spec)
5972 if (spec->native == MONO_NATIVE_CUSTOM) {
5973 g_free (spec->data.custom_data.custom_name);
5974 g_free (spec->data.custom_data.cookie);
5980 * mono_type_to_unmanaged:
5981 * The value pointed to by \p conv will contain the kind of marshalling required for this
5982 * particular type one of the \c MONO_MARSHAL_CONV_ enumeration values.
5983 * \returns A \c MonoMarshalNative enumeration value (<code>MONO_NATIVE_</code>) value
5984 * describing the underlying native reprensetation of the type.
5987 mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
5988 gboolean unicode, MonoMarshalConv *conv)
5990 MonoMarshalConv dummy_conv;
5996 *conv = MONO_MARSHAL_CONV_NONE;
5999 return MONO_NATIVE_UINT;
6003 case MONO_TYPE_BOOLEAN:
6005 switch (mspec->native) {
6006 case MONO_NATIVE_VARIANTBOOL:
6007 *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
6008 return MONO_NATIVE_VARIANTBOOL;
6009 case MONO_NATIVE_BOOLEAN:
6010 *conv = MONO_MARSHAL_CONV_BOOL_I4;
6011 return MONO_NATIVE_BOOLEAN;
6012 case MONO_NATIVE_I1:
6013 case MONO_NATIVE_U1:
6014 return mspec->native;
6016 g_error ("cant marshal bool to native type %02x", mspec->native);
6019 *conv = MONO_MARSHAL_CONV_BOOL_I4;
6020 return MONO_NATIVE_BOOLEAN;
6021 case MONO_TYPE_CHAR:
6023 switch (mspec->native) {
6024 case MONO_NATIVE_U2:
6025 case MONO_NATIVE_U1:
6026 return mspec->native;
6028 g_error ("cant marshal char to native type %02x", mspec->native);
6031 return unicode ? MONO_NATIVE_U2 : MONO_NATIVE_U1;
6032 case MONO_TYPE_I1: return MONO_NATIVE_I1;
6033 case MONO_TYPE_U1: return MONO_NATIVE_U1;
6034 case MONO_TYPE_I2: return MONO_NATIVE_I2;
6035 case MONO_TYPE_U2: return MONO_NATIVE_U2;
6036 case MONO_TYPE_I4: return MONO_NATIVE_I4;
6037 case MONO_TYPE_U4: return MONO_NATIVE_U4;
6038 case MONO_TYPE_I8: return MONO_NATIVE_I8;
6039 case MONO_TYPE_U8: return MONO_NATIVE_U8;
6040 case MONO_TYPE_R4: return MONO_NATIVE_R4;
6041 case MONO_TYPE_R8: return MONO_NATIVE_R8;
6042 case MONO_TYPE_STRING:
6044 switch (mspec->native) {
6045 case MONO_NATIVE_BSTR:
6046 *conv = MONO_MARSHAL_CONV_STR_BSTR;
6047 return MONO_NATIVE_BSTR;
6048 case MONO_NATIVE_LPSTR:
6049 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
6050 return MONO_NATIVE_LPSTR;
6051 case MONO_NATIVE_LPWSTR:
6052 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
6053 return MONO_NATIVE_LPWSTR;
6054 case MONO_NATIVE_LPTSTR:
6055 *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
6056 return MONO_NATIVE_LPTSTR;
6057 case MONO_NATIVE_ANSIBSTR:
6058 *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
6059 return MONO_NATIVE_ANSIBSTR;
6060 case MONO_NATIVE_TBSTR:
6061 *conv = MONO_MARSHAL_CONV_STR_TBSTR;
6062 return MONO_NATIVE_TBSTR;
6063 case MONO_NATIVE_UTF8STR:
6064 *conv = MONO_MARSHAL_CONV_STR_UTF8STR;
6065 return MONO_NATIVE_UTF8STR;
6066 case MONO_NATIVE_BYVALTSTR:
6068 *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
6070 *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
6071 return MONO_NATIVE_BYVALTSTR;
6073 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);
6077 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
6078 return MONO_NATIVE_LPWSTR;
6081 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
6082 return MONO_NATIVE_LPSTR;
6084 case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
6085 case MONO_TYPE_VALUETYPE: /*FIXME*/
6086 if (type->data.klass->enumtype) {
6087 t = mono_class_enum_basetype (type->data.klass)->type;
6090 if (type->data.klass == mono_defaults.handleref_class){
6091 *conv = MONO_MARSHAL_CONV_HANDLEREF;
6092 return MONO_NATIVE_INT;
6094 return MONO_NATIVE_STRUCT;
6095 case MONO_TYPE_SZARRAY:
6096 case MONO_TYPE_ARRAY:
6098 switch (mspec->native) {
6099 case MONO_NATIVE_BYVALARRAY:
6100 if ((type->data.klass->element_class == mono_defaults.char_class) && !unicode)
6101 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY;
6103 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
6104 return MONO_NATIVE_BYVALARRAY;
6105 case MONO_NATIVE_SAFEARRAY:
6106 *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
6107 return MONO_NATIVE_SAFEARRAY;
6108 case MONO_NATIVE_LPARRAY:
6109 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
6110 return MONO_NATIVE_LPARRAY;
6112 g_error ("cant marshal array as native type %02x", mspec->native);
6116 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
6117 return MONO_NATIVE_LPARRAY;
6118 case MONO_TYPE_I: return MONO_NATIVE_INT;
6119 case MONO_TYPE_U: return MONO_NATIVE_UINT;
6120 case MONO_TYPE_CLASS:
6121 case MONO_TYPE_OBJECT: {
6122 /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
6124 switch (mspec->native) {
6125 case MONO_NATIVE_STRUCT:
6126 return MONO_NATIVE_STRUCT;
6127 case MONO_NATIVE_CUSTOM:
6128 return MONO_NATIVE_CUSTOM;
6129 case MONO_NATIVE_INTERFACE:
6130 *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
6131 return MONO_NATIVE_INTERFACE;
6132 case MONO_NATIVE_IDISPATCH:
6133 *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
6134 return MONO_NATIVE_IDISPATCH;
6135 case MONO_NATIVE_IUNKNOWN:
6136 *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
6137 return MONO_NATIVE_IUNKNOWN;
6138 case MONO_NATIVE_FUNC:
6139 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
6140 type->data.klass == mono_defaults.delegate_class ||
6141 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
6142 *conv = MONO_MARSHAL_CONV_DEL_FTN;
6143 return MONO_NATIVE_FUNC;
6147 g_error ("cant marshal object as native type %02x", mspec->native);
6150 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
6151 type->data.klass == mono_defaults.delegate_class ||
6152 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
6153 *conv = MONO_MARSHAL_CONV_DEL_FTN;
6154 return MONO_NATIVE_FUNC;
6156 if (mono_class_try_get_safehandle_class () && type->data.klass == mono_class_try_get_safehandle_class ()){
6157 *conv = MONO_MARSHAL_CONV_SAFEHANDLE;
6158 return MONO_NATIVE_INT;
6160 *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
6161 return MONO_NATIVE_STRUCT;
6163 case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
6164 case MONO_TYPE_GENERICINST:
6165 type = &type->data.generic_class->container_class->byval_arg;
6168 case MONO_TYPE_TYPEDBYREF:
6170 g_error ("type 0x%02x not handled in marshal", t);
6172 return MONO_NATIVE_MAX;
6176 * mono_metadata_get_marshal_info:
6179 mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
6182 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
6188 loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
6189 loc.idx = ((idx + 1) << MONO_HAS_FIELD_MARSHAL_BITS) | (is_field? MONO_HAS_FIELD_MARSHAL_FIELDSREF: MONO_HAS_FIELD_MARSHAL_PARAMDEF);
6191 /* FIXME: Index translation */
6193 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6196 return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
6200 method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context, MonoError *error)
6202 MonoMethod *result = NULL;
6203 guint32 idx = tok >> MONO_METHODDEFORREF_BITS;
6207 switch (tok & MONO_METHODDEFORREF_MASK) {
6208 case MONO_METHODDEFORREF_METHODDEF:
6209 result = mono_get_method_checked (m, MONO_TOKEN_METHOD_DEF | idx, NULL, context, error);
6211 case MONO_METHODDEFORREF_METHODREF:
6212 result = mono_get_method_checked (m, MONO_TOKEN_MEMBER_REF | idx, NULL, context, error);
6215 mono_error_set_bad_image (error, m, "Invalid MethodDefOfRef token %x", tok);
6222 * mono_class_get_overrides_full:
6224 * Return the method overrides belonging to class @type_token in @overrides, and
6225 * the number of overrides in @num_overrides.
6227 * Returns: TRUE on success, FALSE on failure.
6230 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
6231 MonoGenericContext *generic_context)
6235 MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
6238 guint32 cols [MONO_METHODIMPL_SIZE];
6239 MonoMethod **result;
6250 loc.col_idx = MONO_METHODIMPL_CLASS;
6251 loc.idx = mono_metadata_token_index (type_token);
6253 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6259 * We may end up in the middle of the rows...
6262 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
6267 while (end < tdef->rows) {
6268 if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
6274 result = g_new (MonoMethod*, num * 2);
6275 for (i = 0; i < num; ++i) {
6278 if (!mono_verifier_verify_methodimpl_row (image, start + i, &error)) {
6279 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6284 mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
6285 method = method_from_method_def_or_ref (
6286 image, cols [MONO_METHODIMPL_DECLARATION], generic_context, &error);
6287 if (method == NULL) {
6288 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6291 result [i * 2] = method;
6292 method = method_from_method_def_or_ref (
6293 image, cols [MONO_METHODIMPL_BODY], generic_context, &error);
6294 if (method == NULL) {
6295 mono_error_cleanup (&error); /* FIXME don't swallow the error */
6298 result [i * 2 + 1] = method;
6301 *overrides = result;
6303 *num_overrides = num;
6308 * mono_guid_to_string:
6310 * Converts a 16 byte Microsoft GUID to the standard string representation.
6313 mono_guid_to_string (const guint8 *guid)
6315 return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
6316 guid[3], guid[2], guid[1], guid[0],
6320 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
6324 * mono_guid_to_string_minimal:
6326 * Converts a 16 byte Microsoft GUID to lower case no '-' representation..
6329 mono_guid_to_string_minimal (const guint8 *guid)
6331 return g_strdup_printf ("%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
6332 guid[3], guid[2], guid[1], guid[0],
6336 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
6339 get_constraints (MonoImage *image, int owner, MonoClass ***constraints, MonoGenericContainer *container, MonoError *error)
6341 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
6342 guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
6343 guint32 i, token, found;
6344 MonoClass *klass, **res;
6345 GSList *cons = NULL, *tmp;
6346 MonoGenericContext *context = &container->context;
6350 *constraints = NULL;
6352 for (i = 0; i < tdef->rows; ++i) {
6353 mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
6354 if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
6355 token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
6356 klass = mono_class_get_and_inflate_typespec_checked (image, token, context, error);
6358 g_slist_free (cons);
6361 cons = g_slist_append (cons, klass);
6364 /* contiguous list finished */
6371 res = (MonoClass **)mono_image_alloc0 (image, sizeof (MonoClass*) * (found + 1));
6372 for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
6373 res [i] = (MonoClass *)tmp->data;
6375 g_slist_free (cons);
6381 * mono_metadata_get_generic_param_row:
6384 * @token: TypeOrMethodDef token, owner for GenericParam
6385 * @owner: coded token, set on return
6387 * Returns: 1-based row-id in the GenericParam table whose
6388 * owner is @token. 0 if not found.
6391 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner)
6393 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
6400 if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
6401 *owner = MONO_TYPEORMETHOD_TYPE;
6402 else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
6403 *owner = MONO_TYPEORMETHOD_METHOD;
6405 g_error ("wrong token %x to get_generic_param_row", token);
6408 *owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
6411 loc.col_idx = MONO_GENERICPARAM_OWNER;
6414 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
6417 /* Find the first entry by searching backwards */
6418 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_GENERICPARAM_OWNER) == loc.idx))
6421 return loc.result + 1;
6425 mono_metadata_has_generic_params (MonoImage *image, guint32 token)
6428 return mono_metadata_get_generic_param_row (image, token, &owner);
6432 * Memory is allocated from IMAGE's mempool.
6435 mono_metadata_load_generic_param_constraints_checked (MonoImage *image, guint32 token,
6436 MonoGenericContainer *container, MonoError *error)
6439 guint32 start_row, i, owner;
6442 if (! (start_row = mono_metadata_get_generic_param_row (image, token, &owner)))
6444 for (i = 0; i < container->type_argc; i++) {
6445 if (!get_constraints (image, start_row + i, &mono_generic_container_get_param_info (container, i)->constraints, container, error)) {
6453 * mono_metadata_load_generic_params:
6455 * Load the type parameters from the type or method definition @token.
6457 * Use this method after parsing a type or method definition to figure out whether it's a generic
6458 * type / method. When parsing a method definition, @parent_container points to the generic container
6459 * of the current class, if any.
6461 * Note: This method does not load the constraints: for typedefs, this has to be done after fully
6462 * creating the type.
6464 * Returns: NULL if @token is not a generic type or method definition or the new generic container.
6466 * LOCKING: Acquires the loader lock
6469 MonoGenericContainer *
6470 mono_metadata_load_generic_params (MonoImage *image, guint32 token, MonoGenericContainer *parent_container)
6472 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
6473 guint32 cols [MONO_GENERICPARAM_SIZE];
6474 guint32 i, owner = 0, n;
6475 MonoGenericContainer *container;
6476 MonoGenericParamFull *params;
6477 MonoGenericContext *context;
6479 if (!(i = mono_metadata_get_generic_param_row (image, token, &owner)))
6481 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
6484 container = (MonoGenericContainer *)mono_image_alloc0 (image, sizeof (MonoGenericContainer));
6485 container->owner.image = image; // Temporarily mark as anonymous, but this will be overriden by caller
6486 container->is_anonymous = TRUE;
6489 params = (MonoGenericParamFull *)g_realloc (params, sizeof (MonoGenericParamFull) * n);
6490 memset (¶ms [n - 1], 0, sizeof (MonoGenericParamFull));
6491 params [n - 1].param.owner = container;
6492 params [n - 1].param.num = cols [MONO_GENERICPARAM_NUMBER];
6493 params [n - 1].info.token = i | MONO_TOKEN_GENERIC_PARAM;
6494 params [n - 1].info.flags = cols [MONO_GENERICPARAM_FLAGS];
6495 params [n - 1].info.name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
6496 if (params [n - 1].param.num != n - 1)
6497 g_warning ("GenericParam table unsorted or hole in generic param sequence: token %d", i);
6498 if (++i > tdef->rows)
6500 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
6501 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
6503 container->type_argc = n;
6504 container->type_params = (MonoGenericParamFull *)mono_image_alloc0 (image, sizeof (MonoGenericParamFull) * n);
6505 memcpy (container->type_params, params, sizeof (MonoGenericParamFull) * n);
6507 container->parent = parent_container;
6509 if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
6510 container->is_method = 1;
6512 g_assert (container->parent == NULL || container->is_method);
6514 context = &container->context;
6515 if (container->is_method) {
6516 context->class_inst = container->parent ? container->parent->context.class_inst : NULL;
6517 context->method_inst = mono_get_shared_generic_inst (container);
6519 context->class_inst = mono_get_shared_generic_inst (container);
6526 mono_get_shared_generic_inst (MonoGenericContainer *container)
6528 MonoType **type_argv;
6530 MonoGenericInst *nginst;
6533 type_argv = g_new0 (MonoType *, container->type_argc);
6534 helper = g_new0 (MonoType, container->type_argc);
6536 for (i = 0; i < container->type_argc; i++) {
6537 MonoType *t = &helper [i];
6539 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
6540 t->data.generic_param = mono_generic_container_get_param (container, i);
6545 nginst = mono_metadata_get_generic_inst (container->type_argc, type_argv);
6554 * mono_type_is_byref:
6555 * \param type the \c MonoType operated on
6556 * \returns TRUE if \p type represents a type passed by reference,
6560 mono_type_is_byref (MonoType *type)
6566 * mono_type_get_type:
6567 * \param type the \c MonoType operated on
6568 * \returns the IL type value for \p type. This is one of the \c MonoTypeEnum
6569 * enum members like \c MONO_TYPE_I4 or \c MONO_TYPE_STRING.
6572 mono_type_get_type (MonoType *type)
6578 * mono_type_get_signature:
6579 * \param type the \c MonoType operated on
6580 * It is only valid to call this function if \p type is a \c MONO_TYPE_FNPTR .
6581 * \returns the \c MonoMethodSignature pointer that describes the signature
6582 * of the function pointer \p type represents.
6584 MonoMethodSignature*
6585 mono_type_get_signature (MonoType *type)
6587 g_assert (type->type == MONO_TYPE_FNPTR);
6588 return type->data.method;
6592 * mono_type_get_class:
6593 * \param type the \c MonoType operated on
6594 * It is only valid to call this function if \p type is a \c MONO_TYPE_CLASS or a
6595 * \c MONO_TYPE_VALUETYPE . For more general functionality, use \c mono_class_from_mono_type,
6597 * \returns the \c MonoClass pointer that describes the class that \p type represents.
6600 mono_type_get_class (MonoType *type)
6602 /* FIXME: review the runtime users before adding the assert here */
6603 return type->data.klass;
6607 * mono_type_get_array_type:
6608 * \param type the \c MonoType operated on
6609 * It is only valid to call this function if \p type is a \c MONO_TYPE_ARRAY .
6610 * \returns a \c MonoArrayType struct describing the array type that \p type
6611 * represents. The info includes details such as rank, array element type
6612 * and the sizes and bounds of multidimensional arrays.
6615 mono_type_get_array_type (MonoType *type)
6617 return type->data.array;
6621 * mono_type_get_ptr_type:
6622 * \pararm type the \c MonoType operated on
6623 * It is only valid to call this function if \p type is a \c MONO_TYPE_PTR .
6624 * \returns the \c MonoType pointer that describes the type that \p type
6625 * represents a pointer to.
6628 mono_type_get_ptr_type (MonoType *type)
6630 g_assert (type->type == MONO_TYPE_PTR);
6631 return type->data.type;
6635 * mono_type_get_modifiers:
6638 mono_type_get_modifiers (MonoType *type, gboolean *is_required, gpointer *iter)
6640 /* FIXME: implement */
6645 * mono_type_is_struct:
6646 * \param type the \c MonoType operated on
6647 * \returns TRUE if \p type is a struct, that is a \c ValueType but not an enum
6648 * or a basic type like \c System.Int32 . FALSE otherwise.
6651 mono_type_is_struct (MonoType *type)
6653 return (!type->byref && ((type->type == MONO_TYPE_VALUETYPE &&
6654 !type->data.klass->enumtype) || (type->type == MONO_TYPE_TYPEDBYREF) ||
6655 ((type->type == MONO_TYPE_GENERICINST) &&
6656 mono_metadata_generic_class_is_valuetype (type->data.generic_class) &&
6657 !type->data.generic_class->container_class->enumtype)));
6661 * mono_type_is_void:
6662 * \param type the \c MonoType operated on
6663 * \returns TRUE if \p type is \c System.Void . FALSE otherwise.
6666 mono_type_is_void (MonoType *type)
6668 return (type && (type->type == MONO_TYPE_VOID) && !type->byref);
6672 * mono_type_is_pointer:
6673 * \param type the \c MonoType operated on
6674 * \returns TRUE if \p type is a managed or unmanaged pointer type. FALSE otherwise.
6677 mono_type_is_pointer (MonoType *type)
6679 return (type && ((type->byref || (type->type == MONO_TYPE_I) || type->type == MONO_TYPE_STRING)
6680 || (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6681 (type->type == MONO_TYPE_U) || (type->type == MONO_TYPE_OBJECT) ||
6682 (type->type == MONO_TYPE_ARRAY) || (type->type == MONO_TYPE_PTR) ||
6683 (type->type == MONO_TYPE_FNPTR)));
6687 * mono_type_is_reference:
6688 * \param type the \c MonoType operated on
6689 * \returns TRUE if \p type represents an object reference. FALSE otherwise.
6692 mono_type_is_reference (MonoType *type)
6694 return (type && (((type->type == MONO_TYPE_STRING) ||
6695 (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6696 (type->type == MONO_TYPE_OBJECT) || (type->type == MONO_TYPE_ARRAY)) ||
6697 ((type->type == MONO_TYPE_GENERICINST) &&
6698 !mono_metadata_generic_class_is_valuetype (type->data.generic_class))));
6702 mono_type_is_generic_parameter (MonoType *type)
6704 return !type->byref && (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR);
6708 * mono_signature_get_return_type:
6709 * \param sig the method signature inspected
6710 * \returns the return type of the method signature \p sig
6713 mono_signature_get_return_type (MonoMethodSignature *sig)
6719 * mono_signature_get_params:
6720 * \param sig the method signature inspected
6721 * \param iter pointer to an iterator
6722 * Iterates over the parameters for the method signature \p sig.
6723 * A \c void* pointer must be initialized to NULL to start the iteration
6724 * and its address is passed to this function repeteadly until it returns
6726 * \returns the next parameter type of the method signature \p sig,
6727 * NULL when finished.
6730 mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
6736 /* start from the first */
6737 if (sig->param_count) {
6738 *iter = &sig->params [0];
6739 return sig->params [0];
6745 type = (MonoType **)*iter;
6747 if (type < &sig->params [sig->param_count]) {
6755 * mono_signature_get_param_count:
6756 * \param sig the method signature inspected
6757 * \returns the number of parameters in the method signature \p sig.
6760 mono_signature_get_param_count (MonoMethodSignature *sig)
6762 return sig->param_count;
6766 * mono_signature_get_call_conv:
6767 * \param sig the method signature inspected
6768 * \returns the call convention of the method signature \p sig.
6771 mono_signature_get_call_conv (MonoMethodSignature *sig)
6773 return sig->call_convention;
6777 * mono_signature_vararg_start:
6778 * \param sig the method signature inspected
6779 * \returns the number of the first vararg parameter in the
6780 * method signature \param sig. \c -1 if this is not a vararg signature.
6783 mono_signature_vararg_start (MonoMethodSignature *sig)
6785 return sig->sentinelpos;
6789 * mono_signature_is_instance:
6790 * \param sig the method signature inspected
6791 * \returns TRUE if this the method signature \p sig has an implicit
6792 * first instance argument. FALSE otherwise.
6795 mono_signature_is_instance (MonoMethodSignature *sig)
6797 return sig->hasthis;
6801 * mono_signature_param_is_out
6802 * \param sig the method signature inspected
6803 * \param param_num the 0-based index of the inspected parameter
6804 * \returns TRUE if the parameter is an out parameter, FALSE
6808 mono_signature_param_is_out (MonoMethodSignature *sig, int param_num)
6810 g_assert (param_num >= 0 && param_num < sig->param_count);
6811 return (sig->params [param_num]->attrs & PARAM_ATTRIBUTE_OUT) != 0;
6815 * mono_signature_explicit_this:
6816 * \param sig the method signature inspected
6817 * \returns TRUE if this the method signature \p sig has an explicit
6818 * instance argument. FALSE otherwise.
6821 mono_signature_explicit_this (MonoMethodSignature *sig)
6823 return sig->explicit_this;
6826 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
6828 mono_aligned_addr_hash (gconstpointer ptr)
6830 /* Same hashing we use for objects */
6831 return (GPOINTER_TO_UINT (ptr) >> 3) * 2654435761u;
6835 * If @field belongs to an inflated generic class, return the corresponding field of the
6836 * generic type definition class.
6839 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field)
6844 if (!mono_class_is_ginst (field->parent))
6847 gtd = mono_class_get_generic_class (field->parent)->container_class;
6848 offset = field - field->parent->fields;
6849 return gtd->fields + offset;
6853 * If @event belongs to an inflated generic class, return the corresponding event of the
6854 * generic type definition class.
6857 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event)
6862 if (!mono_class_is_ginst (event->parent))
6865 gtd = mono_class_get_generic_class (event->parent)->container_class;
6866 offset = event - mono_class_get_event_info (event->parent)->events;
6867 return mono_class_get_event_info (gtd)->events + offset;
6871 * If @property belongs to an inflated generic class, return the corresponding property of the
6872 * generic type definition class.
6875 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property)
6877 MonoClassPropertyInfo *info;
6881 if (!mono_class_is_ginst (property->parent))
6884 info = mono_class_get_property_info (property->parent);
6885 gtd = mono_class_get_generic_class (property->parent)->container_class;
6886 offset = property - info->properties;
6887 return mono_class_get_property_info (gtd)->properties + offset;
6891 mono_method_get_wrapper_cache (MonoMethod *method)
6893 if (method->is_inflated) {
6894 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
6895 return &imethod->owner->wrapper_caches;
6897 return &method->klass->image->wrapper_caches;
6901 // 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.
6904 * mono_find_image_set_owner:
6906 * Find the imageset, if any, which a given pointer is located in the memory of.
6909 mono_find_image_set_owner (void *ptr)
6911 MonoImageSet *owner = NULL;
6918 for (i = 0; !owner && i < image_sets->len; ++i) {
6919 MonoImageSet *set = (MonoImageSet *)g_ptr_array_index (image_sets, i);
6920 if (mono_mempool_contains_addr (set->mempool, ptr))
6925 image_sets_unlock ();
6931 mono_loader_set_strict_strong_names (gboolean enabled)
6933 check_strong_names_strictly = enabled;
6937 mono_loader_get_strict_strong_names (void)
6939 return check_strong_names_strictly;