2 * metadata.c: Routines for accessing the metadata
5 * Miguel de Icaza (miguel@ximian.com)
6 * Paolo Molaro (lupus@ximian.com)
8 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
9 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
18 #include "tabledefs.h"
19 #include "mono-endian.h"
21 #include "tokentype.h"
22 #include "metadata-internals.h"
23 #include "class-internals.h"
24 #include "verify-internals.h"
27 #include "debug-helpers.h"
28 #include "abi-details.h"
29 #include <mono/utils/mono-error-internals.h>
30 #include <mono/utils/bsearch.h>
32 /* Auxiliary structure used for caching inflated signatures */
34 MonoMethodSignature *sig;
35 MonoGenericContext context;
36 } MonoInflatedMethodSignature;
38 static gboolean do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container, gboolean transient,
39 const char *ptr, const char **rptr);
41 static gboolean do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only);
42 static gboolean mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only);
43 static gboolean mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only);
44 static gboolean _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2,
45 gboolean signature_only);
46 static void free_generic_inst (MonoGenericInst *ginst);
47 static void free_generic_class (MonoGenericClass *ginst);
48 static void free_inflated_method (MonoMethodInflated *method);
49 static void free_inflated_signature (MonoInflatedMethodSignature *sig);
50 static void mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva, MonoMarshalSpec **marshal_spec, gboolean alloc_from_image);
51 static guint mono_metadata_generic_param_hash (MonoGenericParam *p);
54 * This enumeration is used to describe the data types in the metadata
65 /* Index into Blob heap */
68 /* Index into String heap */
74 /* Pointer into a table */
77 /* HasConstant:Parent pointer (Param, Field or Property) */
80 /* HasCustomAttribute index. Indexes any table except CustomAttribute */
83 /* CustomAttributeType encoded index */
86 /* HasDeclSecurity index: TypeDef Method or Assembly */
89 /* Implementation coded index: File, Export AssemblyRef */
92 /* HasFieldMarshal coded index: Field or Param table */
95 /* MemberForwardedIndex: Field or Method */
98 /* TypeDefOrRef coded index: typedef, typeref, typespec */
101 /* MemberRefParent coded index: typeref, moduleref, method, memberref, typesepc, typedef */
104 /* MethodDefOrRef coded index: Method or Member Ref table */
107 /* HasSemantic coded index: Event or Property */
110 /* ResolutionScope coded index: Module, ModuleRef, AssemblytRef, TypeRef */
114 const static unsigned char TableSchemas [] = {
115 #define ASSEMBLY_SCHEMA_OFFSET 0
116 MONO_MT_UINT32, /* "HashId" }, */
117 MONO_MT_UINT16, /* "Major" }, */
118 MONO_MT_UINT16, /* "Minor" }, */
119 MONO_MT_UINT16, /* "BuildNumber" }, */
120 MONO_MT_UINT16, /* "RevisionNumber" }, */
121 MONO_MT_UINT32, /* "Flags" }, */
122 MONO_MT_BLOB_IDX, /* "PublicKey" }, */
123 MONO_MT_STRING_IDX, /* "Name" }, */
124 MONO_MT_STRING_IDX, /* "Culture" }, */
127 #define ASSEMBLYOS_SCHEMA_OFFSET ASSEMBLY_SCHEMA_OFFSET + 10
128 MONO_MT_UINT32, /* "OSPlatformID" }, */
129 MONO_MT_UINT32, /* "OSMajor" }, */
130 MONO_MT_UINT32, /* "OSMinor" }, */
133 #define ASSEMBLYPROC_SCHEMA_OFFSET ASSEMBLYOS_SCHEMA_OFFSET + 4
134 MONO_MT_UINT32, /* "Processor" }, */
137 #define ASSEMBLYREF_SCHEMA_OFFSET ASSEMBLYPROC_SCHEMA_OFFSET + 2
138 MONO_MT_UINT16, /* "Major" }, */
139 MONO_MT_UINT16, /* "Minor" }, */
140 MONO_MT_UINT16, /* "Build" }, */
141 MONO_MT_UINT16, /* "Revision" }, */
142 MONO_MT_UINT32, /* "Flags" }, */
143 MONO_MT_BLOB_IDX, /* "PublicKeyOrToken" }, */
144 MONO_MT_STRING_IDX, /* "Name" }, */
145 MONO_MT_STRING_IDX, /* "Culture" }, */
146 MONO_MT_BLOB_IDX, /* "HashValue" }, */
149 #define ASSEMBLYREFOS_SCHEMA_OFFSET ASSEMBLYREF_SCHEMA_OFFSET + 10
150 MONO_MT_UINT32, /* "OSPlatformID" }, */
151 MONO_MT_UINT32, /* "OSMajorVersion" }, */
152 MONO_MT_UINT32, /* "OSMinorVersion" }, */
153 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
156 #define ASSEMBLYREFPROC_SCHEMA_OFFSET ASSEMBLYREFOS_SCHEMA_OFFSET + 5
157 MONO_MT_UINT32, /* "Processor" }, */
158 MONO_MT_TABLE_IDX, /* "AssemblyRef:AssemblyRef" }, */
161 #define CLASS_LAYOUT_SCHEMA_OFFSET ASSEMBLYREFPROC_SCHEMA_OFFSET + 3
162 MONO_MT_UINT16, /* "PackingSize" }, */
163 MONO_MT_UINT32, /* "ClassSize" }, */
164 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
167 #define CONSTANT_SCHEMA_OFFSET CLASS_LAYOUT_SCHEMA_OFFSET + 4
168 MONO_MT_UINT8, /* "Type" }, */
169 MONO_MT_UINT8, /* "PaddingZero" }, */
170 MONO_MT_CONST_IDX, /* "Parent" }, */
171 MONO_MT_BLOB_IDX, /* "Value" }, */
174 #define CUSTOM_ATTR_SCHEMA_OFFSET CONSTANT_SCHEMA_OFFSET + 5
175 MONO_MT_HASCAT_IDX, /* "Parent" }, */
176 MONO_MT_CAT_IDX, /* "Type" }, */
177 MONO_MT_BLOB_IDX, /* "Value" }, */
180 #define DECL_SEC_SCHEMA_OFFSET CUSTOM_ATTR_SCHEMA_OFFSET + 4
181 MONO_MT_UINT16, /* "Action" }, */
182 MONO_MT_HASDEC_IDX, /* "Parent" }, */
183 MONO_MT_BLOB_IDX, /* "PermissionSet" }, */
186 #define EVENTMAP_SCHEMA_OFFSET DECL_SEC_SCHEMA_OFFSET + 4
187 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
188 MONO_MT_TABLE_IDX, /* "EventList:Event" }, */
191 #define EVENT_SCHEMA_OFFSET EVENTMAP_SCHEMA_OFFSET + 3
192 MONO_MT_UINT16, /* "EventFlags#EventAttribute" }, */
193 MONO_MT_STRING_IDX, /* "Name" }, */
194 MONO_MT_TDOR_IDX, /* "EventType" }, TypeDef or TypeRef or TypeSpec */
197 #define EVENT_POINTER_SCHEMA_OFFSET EVENT_SCHEMA_OFFSET + 4
198 MONO_MT_TABLE_IDX, /* "Event" }, */
201 #define EXPORTED_TYPE_SCHEMA_OFFSET EVENT_POINTER_SCHEMA_OFFSET + 2
202 MONO_MT_UINT32, /* "Flags" }, */
203 MONO_MT_TABLE_IDX, /* "TypeDefId" }, */
204 MONO_MT_STRING_IDX, /* "TypeName" }, */
205 MONO_MT_STRING_IDX, /* "TypeNameSpace" }, */
206 MONO_MT_IMPL_IDX, /* "Implementation" }, */
209 #define FIELD_SCHEMA_OFFSET EXPORTED_TYPE_SCHEMA_OFFSET + 6
210 MONO_MT_UINT16, /* "Flags" }, */
211 MONO_MT_STRING_IDX, /* "Name" }, */
212 MONO_MT_BLOB_IDX, /* "Signature" }, */
215 #define FIELD_LAYOUT_SCHEMA_OFFSET FIELD_SCHEMA_OFFSET + 4
216 MONO_MT_UINT32, /* "Offset" }, */
217 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
220 #define FIELD_MARSHAL_SCHEMA_OFFSET FIELD_LAYOUT_SCHEMA_OFFSET + 3
221 MONO_MT_HFM_IDX, /* "Parent" }, */
222 MONO_MT_BLOB_IDX, /* "NativeType" }, */
225 #define FIELD_RVA_SCHEMA_OFFSET FIELD_MARSHAL_SCHEMA_OFFSET + 3
226 MONO_MT_UINT32, /* "RVA" }, */
227 MONO_MT_TABLE_IDX, /* "Field:Field" }, */
230 #define FIELD_POINTER_SCHEMA_OFFSET FIELD_RVA_SCHEMA_OFFSET + 3
231 MONO_MT_TABLE_IDX, /* "Field" }, */
234 #define FILE_SCHEMA_OFFSET FIELD_POINTER_SCHEMA_OFFSET + 2
235 MONO_MT_UINT32, /* "Flags" }, */
236 MONO_MT_STRING_IDX, /* "Name" }, */
237 MONO_MT_BLOB_IDX, /* "Value" }, */
240 #define IMPLMAP_SCHEMA_OFFSET FILE_SCHEMA_OFFSET + 4
241 MONO_MT_UINT16, /* "MappingFlag" }, */
242 MONO_MT_MF_IDX, /* "MemberForwarded" }, */
243 MONO_MT_STRING_IDX, /* "ImportName" }, */
244 MONO_MT_TABLE_IDX, /* "ImportScope:ModuleRef" }, */
247 #define IFACEMAP_SCHEMA_OFFSET IMPLMAP_SCHEMA_OFFSET + 5
248 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
249 MONO_MT_TDOR_IDX, /* "Interface=TypeDefOrRef" }, */
252 #define MANIFEST_SCHEMA_OFFSET IFACEMAP_SCHEMA_OFFSET + 3
253 MONO_MT_UINT32, /* "Offset" }, */
254 MONO_MT_UINT32, /* "Flags" }, */
255 MONO_MT_STRING_IDX, /* "Name" }, */
256 MONO_MT_IMPL_IDX, /* "Implementation" }, */
259 #define MEMBERREF_SCHEMA_OFFSET MANIFEST_SCHEMA_OFFSET + 5
260 MONO_MT_MRP_IDX, /* "Class" }, */
261 MONO_MT_STRING_IDX, /* "Name" }, */
262 MONO_MT_BLOB_IDX, /* "Signature" }, */
265 #define METHOD_SCHEMA_OFFSET MEMBERREF_SCHEMA_OFFSET + 4
266 MONO_MT_UINT32, /* "RVA" }, */
267 MONO_MT_UINT16, /* "ImplFlags#MethodImplAttributes" }, */
268 MONO_MT_UINT16, /* "Flags#MethodAttribute" }, */
269 MONO_MT_STRING_IDX, /* "Name" }, */
270 MONO_MT_BLOB_IDX, /* "Signature" }, */
271 MONO_MT_TABLE_IDX, /* "ParamList:Param" }, */
274 #define METHOD_IMPL_SCHEMA_OFFSET METHOD_SCHEMA_OFFSET + 7
275 MONO_MT_TABLE_IDX, /* "Class:TypeDef" }, */
276 MONO_MT_MDOR_IDX, /* "MethodBody" }, */
277 MONO_MT_MDOR_IDX, /* "MethodDeclaration" }, */
280 #define METHOD_SEMA_SCHEMA_OFFSET METHOD_IMPL_SCHEMA_OFFSET + 4
281 MONO_MT_UINT16, /* "MethodSemantic" }, */
282 MONO_MT_TABLE_IDX, /* "Method:Method" }, */
283 MONO_MT_HS_IDX, /* "Association" }, */
286 #define METHOD_POINTER_SCHEMA_OFFSET METHOD_SEMA_SCHEMA_OFFSET + 4
287 MONO_MT_TABLE_IDX, /* "Method" }, */
290 #define MODULE_SCHEMA_OFFSET METHOD_POINTER_SCHEMA_OFFSET + 2
291 MONO_MT_UINT16, /* "Generation" }, */
292 MONO_MT_STRING_IDX, /* "Name" }, */
293 MONO_MT_GUID_IDX, /* "MVID" }, */
294 MONO_MT_GUID_IDX, /* "EncID" }, */
295 MONO_MT_GUID_IDX, /* "EncBaseID" }, */
298 #define MODULEREF_SCHEMA_OFFSET MODULE_SCHEMA_OFFSET + 6
299 MONO_MT_STRING_IDX, /* "Name" }, */
302 #define NESTED_CLASS_SCHEMA_OFFSET MODULEREF_SCHEMA_OFFSET + 2
303 MONO_MT_TABLE_IDX, /* "NestedClass:TypeDef" }, */
304 MONO_MT_TABLE_IDX, /* "EnclosingClass:TypeDef" }, */
307 #define PARAM_SCHEMA_OFFSET NESTED_CLASS_SCHEMA_OFFSET + 3
308 MONO_MT_UINT16, /* "Flags" }, */
309 MONO_MT_UINT16, /* "Sequence" }, */
310 MONO_MT_STRING_IDX, /* "Name" }, */
313 #define PARAM_POINTER_SCHEMA_OFFSET PARAM_SCHEMA_OFFSET + 4
314 MONO_MT_TABLE_IDX, /* "Param" }, */
317 #define PROPERTY_SCHEMA_OFFSET PARAM_POINTER_SCHEMA_OFFSET + 2
318 MONO_MT_UINT16, /* "Flags" }, */
319 MONO_MT_STRING_IDX, /* "Name" }, */
320 MONO_MT_BLOB_IDX, /* "Type" }, */
323 #define PROPERTY_POINTER_SCHEMA_OFFSET PROPERTY_SCHEMA_OFFSET + 4
324 MONO_MT_TABLE_IDX, /* "Property" }, */
327 #define PROPERTY_MAP_SCHEMA_OFFSET PROPERTY_POINTER_SCHEMA_OFFSET + 2
328 MONO_MT_TABLE_IDX, /* "Parent:TypeDef" }, */
329 MONO_MT_TABLE_IDX, /* "PropertyList:Property" }, */
332 #define STDALON_SIG_SCHEMA_OFFSET PROPERTY_MAP_SCHEMA_OFFSET + 3
333 MONO_MT_BLOB_IDX, /* "Signature" }, */
336 #define TYPEDEF_SCHEMA_OFFSET STDALON_SIG_SCHEMA_OFFSET + 2
337 MONO_MT_UINT32, /* "Flags" }, */
338 MONO_MT_STRING_IDX, /* "Name" }, */
339 MONO_MT_STRING_IDX, /* "Namespace" }, */
340 MONO_MT_TDOR_IDX, /* "Extends" }, */
341 MONO_MT_TABLE_IDX, /* "FieldList:Field" }, */
342 MONO_MT_TABLE_IDX, /* "MethodList:Method" }, */
345 #define TYPEREF_SCHEMA_OFFSET TYPEDEF_SCHEMA_OFFSET + 7
346 MONO_MT_RS_IDX, /* "ResolutionScope=ResolutionScope" }, */
347 MONO_MT_STRING_IDX, /* "Name" }, */
348 MONO_MT_STRING_IDX, /* "Namespace" }, */
351 #define TYPESPEC_SCHEMA_OFFSET TYPEREF_SCHEMA_OFFSET + 4
352 MONO_MT_BLOB_IDX, /* "Signature" }, */
355 #define GENPARAM_SCHEMA_OFFSET TYPESPEC_SCHEMA_OFFSET + 2
356 MONO_MT_UINT16, /* "Number" }, */
357 MONO_MT_UINT16, /* "Flags" }, */
358 MONO_MT_TABLE_IDX, /* "Owner" }, TypeDef or MethodDef */
359 MONO_MT_STRING_IDX, /* "Name" }, */
362 #define METHOD_SPEC_SCHEMA_OFFSET GENPARAM_SCHEMA_OFFSET + 5
363 MONO_MT_MDOR_IDX, /* "Method" }, */
364 MONO_MT_BLOB_IDX, /* "Signature" }, */
367 #define GEN_CONSTRAINT_SCHEMA_OFFSET METHOD_SPEC_SCHEMA_OFFSET + 3
368 MONO_MT_TABLE_IDX, /* "GenericParam" }, */
369 MONO_MT_TDOR_IDX, /* "Constraint" }, */
372 #define NULL_SCHEMA_OFFSET GEN_CONSTRAINT_SCHEMA_OFFSET + 3
376 /* Must be the same order as MONO_TABLE_* */
377 const static unsigned char
378 table_description [] = {
379 MODULE_SCHEMA_OFFSET,
380 TYPEREF_SCHEMA_OFFSET,
381 TYPEDEF_SCHEMA_OFFSET,
382 FIELD_POINTER_SCHEMA_OFFSET,
384 METHOD_POINTER_SCHEMA_OFFSET,
385 METHOD_SCHEMA_OFFSET,
386 PARAM_POINTER_SCHEMA_OFFSET,
388 IFACEMAP_SCHEMA_OFFSET,
389 MEMBERREF_SCHEMA_OFFSET, /* 0xa */
390 CONSTANT_SCHEMA_OFFSET,
391 CUSTOM_ATTR_SCHEMA_OFFSET,
392 FIELD_MARSHAL_SCHEMA_OFFSET,
393 DECL_SEC_SCHEMA_OFFSET,
394 CLASS_LAYOUT_SCHEMA_OFFSET,
395 FIELD_LAYOUT_SCHEMA_OFFSET, /* 0x10 */
396 STDALON_SIG_SCHEMA_OFFSET,
397 EVENTMAP_SCHEMA_OFFSET,
398 EVENT_POINTER_SCHEMA_OFFSET,
400 PROPERTY_MAP_SCHEMA_OFFSET,
401 PROPERTY_POINTER_SCHEMA_OFFSET,
402 PROPERTY_SCHEMA_OFFSET,
403 METHOD_SEMA_SCHEMA_OFFSET,
404 METHOD_IMPL_SCHEMA_OFFSET,
405 MODULEREF_SCHEMA_OFFSET, /* 0x1a */
406 TYPESPEC_SCHEMA_OFFSET,
407 IMPLMAP_SCHEMA_OFFSET,
408 FIELD_RVA_SCHEMA_OFFSET,
411 ASSEMBLY_SCHEMA_OFFSET, /* 0x20 */
412 ASSEMBLYPROC_SCHEMA_OFFSET,
413 ASSEMBLYOS_SCHEMA_OFFSET,
414 ASSEMBLYREF_SCHEMA_OFFSET,
415 ASSEMBLYREFPROC_SCHEMA_OFFSET,
416 ASSEMBLYREFOS_SCHEMA_OFFSET,
418 EXPORTED_TYPE_SCHEMA_OFFSET,
419 MANIFEST_SCHEMA_OFFSET,
420 NESTED_CLASS_SCHEMA_OFFSET,
421 GENPARAM_SCHEMA_OFFSET, /* 0x2a */
422 METHOD_SPEC_SCHEMA_OFFSET,
423 GEN_CONSTRAINT_SCHEMA_OFFSET
426 #ifdef HAVE_ARRAY_ELEM_INIT
427 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
428 #define MSGSTRFIELD1(line) str##line
429 static const struct msgstr_t {
430 #define TABLEDEF(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
431 #include "mono/cil/tables.def"
434 #define TABLEDEF(a,b) b,
435 #include "mono/cil/tables.def"
438 static const gint16 tableidx [] = {
439 #define TABLEDEF(a,b) [a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
440 #include "mono/cil/tables.def"
445 #define TABLEDEF(a,b) b,
446 static const char* const
447 mono_tables_names [] = {
448 #include "mono/cil/tables.def"
455 * mono_meta_table_name:
456 * @table: table index
458 * Returns the name of the given ECMA metadata logical format table
459 * as described in ECMA 335, Partition II, Section 22.
461 * Returns: the name for the @table index
464 mono_meta_table_name (int table)
466 if ((table < 0) || (table > MONO_TABLE_LAST))
469 #ifdef HAVE_ARRAY_ELEM_INIT
470 return (const char*)&tablestr + tableidx [table];
472 return mono_tables_names [table];
476 /* The guy who wrote the spec for this should not be allowed near a
479 If e is a coded token(see clause 23.1.7) that points into table ti out of n possible tables t0, .. tn-1,
480 then it is stored as e << (log n) & tag{ t0, .. tn-1}[ ti] using 2 bytes if the maximum number of
481 rows of tables t0, ..tn-1, is less than 2^16 - (log n), and using 4 bytes otherwise. The family of
482 finite maps tag{ t0, ..tn-1} is defined below. Note that to decode a physical row, you need the
483 inverse of this mapping.
486 #define rtsize(s,b) (((s) < (1 << (b)) ? 2 : 4))
487 #define idx_size(tableidx) (meta->tables [(tableidx)].rows < 65536 ? 2 : 4)
489 /* Reference: Partition II - 23.2.6 */
491 * mono_metadata_compute_size:
492 * @meta: metadata context
493 * @tableindex: metadata table number
494 * @result_bitfield: pointer to guint32 where to store additional info
496 * mono_metadata_compute_size() computes the lenght in bytes of a single
497 * row in a metadata table. The size of each column is encoded in the
498 * @result_bitfield return value along with the number of columns in the table.
499 * the resulting bitfield should be handed to the mono_metadata_table_size()
500 * and mono_metadata_table_count() macros.
501 * This is a Mono runtime internal only function.
504 mono_metadata_compute_size (MonoImage *meta, int tableindex, guint32 *result_bitfield)
506 guint32 bitfield = 0;
507 int size = 0, field_size = 0;
510 const unsigned char *description = TableSchemas + table_description [tableindex];
512 for (i = 0; (code = description [i]) != MONO_MT_END; i++){
515 field_size = 4; break;
518 field_size = 2; break;
521 field_size = 1; break;
523 case MONO_MT_BLOB_IDX:
524 field_size = meta->idx_blob_wide ? 4 : 2; break;
526 case MONO_MT_STRING_IDX:
527 field_size = meta->idx_string_wide ? 4 : 2; break;
529 case MONO_MT_GUID_IDX:
530 field_size = meta->idx_guid_wide ? 4 : 2; break;
532 case MONO_MT_TABLE_IDX:
533 /* Uhm, a table index can point to other tables besides the current one
534 * so, it's not correct to use the rowcount of the current table to
535 * get the size for this column - lupus
537 switch (tableindex) {
538 case MONO_TABLE_ASSEMBLYREFOS:
540 field_size = idx_size (MONO_TABLE_ASSEMBLYREF); break;
541 case MONO_TABLE_ASSEMBLYREFPROCESSOR:
543 field_size = idx_size (MONO_TABLE_ASSEMBLYREF); break;
544 case MONO_TABLE_CLASSLAYOUT:
546 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
547 case MONO_TABLE_EVENTMAP:
548 g_assert (i == 0 || i == 1);
549 field_size = i ? idx_size (MONO_TABLE_EVENT):
550 idx_size(MONO_TABLE_TYPEDEF);
552 case MONO_TABLE_EVENT_POINTER:
554 field_size = idx_size (MONO_TABLE_EVENT); break;
555 case MONO_TABLE_EXPORTEDTYPE:
557 /* the index is in another metadata file, so it must be 4 */
558 field_size = 4; break;
559 case MONO_TABLE_FIELDLAYOUT:
561 field_size = idx_size (MONO_TABLE_FIELD); break;
562 case MONO_TABLE_FIELDRVA:
564 field_size = idx_size (MONO_TABLE_FIELD); break;
565 case MONO_TABLE_FIELD_POINTER:
567 field_size = idx_size (MONO_TABLE_FIELD); break;
568 case MONO_TABLE_IMPLMAP:
570 field_size = idx_size (MONO_TABLE_MODULEREF); break;
571 case MONO_TABLE_INTERFACEIMPL:
573 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
574 case MONO_TABLE_METHOD:
576 field_size = idx_size (MONO_TABLE_PARAM); break;
577 case MONO_TABLE_METHODIMPL:
579 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
580 case MONO_TABLE_METHODSEMANTICS:
582 field_size = idx_size (MONO_TABLE_METHOD); break;
583 case MONO_TABLE_METHOD_POINTER:
585 field_size = idx_size (MONO_TABLE_METHOD); break;
586 case MONO_TABLE_NESTEDCLASS:
587 g_assert (i == 0 || i == 1);
588 field_size = idx_size (MONO_TABLE_TYPEDEF); break;
589 case MONO_TABLE_PARAM_POINTER:
591 field_size = idx_size (MONO_TABLE_PARAM); break;
592 case MONO_TABLE_PROPERTYMAP:
593 g_assert (i == 0 || i == 1);
594 field_size = i ? idx_size (MONO_TABLE_PROPERTY):
595 idx_size(MONO_TABLE_TYPEDEF);
597 case MONO_TABLE_PROPERTY_POINTER:
599 field_size = idx_size (MONO_TABLE_PROPERTY); break;
600 case MONO_TABLE_TYPEDEF:
601 g_assert (i == 4 || i == 5);
602 field_size = i == 4 ? idx_size (MONO_TABLE_FIELD):
603 idx_size(MONO_TABLE_METHOD);
605 case MONO_TABLE_GENERICPARAM:
607 n = MAX (meta->tables [MONO_TABLE_METHOD].rows, meta->tables [MONO_TABLE_TYPEDEF].rows);
608 /*This is a coded token for 2 tables, so takes 1 bit */
609 field_size = rtsize (n, 16 - MONO_TYPEORMETHOD_BITS);
611 case MONO_TABLE_GENERICPARAMCONSTRAINT:
613 field_size = idx_size (MONO_TABLE_GENERICPARAM);
617 g_error ("Can't handle MONO_MT_TABLE_IDX for table %d element %d", tableindex, i);
622 * HasConstant: ParamDef, FieldDef, Property
624 case MONO_MT_CONST_IDX:
625 n = MAX (meta->tables [MONO_TABLE_PARAM].rows,
626 meta->tables [MONO_TABLE_FIELD].rows);
627 n = MAX (n, meta->tables [MONO_TABLE_PROPERTY].rows);
629 /* 2 bits to encode tag */
630 field_size = rtsize (n, 16-2);
634 * HasCustomAttribute: points to any table but
637 case MONO_MT_HASCAT_IDX:
639 * We believe that since the signature and
640 * permission are indexing the Blob heap,
641 * we should consider the blob size first
643 /* I'm not a believer - lupus
644 if (meta->idx_blob_wide){
649 n = MAX (meta->tables [MONO_TABLE_METHOD].rows,
650 meta->tables [MONO_TABLE_FIELD].rows);
651 n = MAX (n, meta->tables [MONO_TABLE_TYPEREF].rows);
652 n = MAX (n, meta->tables [MONO_TABLE_TYPEDEF].rows);
653 n = MAX (n, meta->tables [MONO_TABLE_PARAM].rows);
654 n = MAX (n, meta->tables [MONO_TABLE_INTERFACEIMPL].rows);
655 n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
656 n = MAX (n, meta->tables [MONO_TABLE_MODULE].rows);
657 n = MAX (n, meta->tables [MONO_TABLE_DECLSECURITY].rows);
658 n = MAX (n, meta->tables [MONO_TABLE_PROPERTY].rows);
659 n = MAX (n, meta->tables [MONO_TABLE_EVENT].rows);
660 n = MAX (n, meta->tables [MONO_TABLE_STANDALONESIG].rows);
661 n = MAX (n, meta->tables [MONO_TABLE_MODULEREF].rows);
662 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
663 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLY].rows);
664 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
665 n = MAX (n, meta->tables [MONO_TABLE_FILE].rows);
666 n = MAX (n, meta->tables [MONO_TABLE_EXPORTEDTYPE].rows);
667 n = MAX (n, meta->tables [MONO_TABLE_MANIFESTRESOURCE].rows);
669 /* 5 bits to encode */
670 field_size = rtsize (n, 16-5);
674 * CustomAttributeType: TypeDef, TypeRef, MethodDef,
675 * MemberRef and String.
677 case MONO_MT_CAT_IDX:
678 /* String is a heap, if it is wide, we know the size */
680 if (meta->idx_string_wide){
685 n = MAX (meta->tables [MONO_TABLE_TYPEREF].rows,
686 meta->tables [MONO_TABLE_TYPEDEF].rows);
687 n = MAX (n, meta->tables [MONO_TABLE_METHOD].rows);
688 n = MAX (n, meta->tables [MONO_TABLE_MEMBERREF].rows);
690 /* 3 bits to encode */
691 field_size = rtsize (n, 16-3);
695 * HasDeclSecurity: Typedef, MethodDef, Assembly
697 case MONO_MT_HASDEC_IDX:
698 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
699 meta->tables [MONO_TABLE_METHOD].rows);
700 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLY].rows);
702 /* 2 bits to encode */
703 field_size = rtsize (n, 16-2);
707 * Implementation: File, AssemblyRef, ExportedType
709 case MONO_MT_IMPL_IDX:
710 n = MAX (meta->tables [MONO_TABLE_FILE].rows,
711 meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
712 n = MAX (n, meta->tables [MONO_TABLE_EXPORTEDTYPE].rows);
714 /* 2 bits to encode tag */
715 field_size = rtsize (n, 16-2);
719 * HasFieldMarshall: FieldDef, ParamDef
721 case MONO_MT_HFM_IDX:
722 n = MAX (meta->tables [MONO_TABLE_FIELD].rows,
723 meta->tables [MONO_TABLE_PARAM].rows);
725 /* 1 bit used to encode tag */
726 field_size = rtsize (n, 16-1);
730 * MemberForwarded: FieldDef, MethodDef
733 n = MAX (meta->tables [MONO_TABLE_FIELD].rows,
734 meta->tables [MONO_TABLE_METHOD].rows);
736 /* 1 bit used to encode tag */
737 field_size = rtsize (n, 16-1);
741 * TypeDefOrRef: TypeDef, ParamDef, TypeSpec
743 * It is TypeDef, _TypeRef_, TypeSpec, instead.
745 case MONO_MT_TDOR_IDX:
746 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
747 meta->tables [MONO_TABLE_TYPEREF].rows);
748 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
750 /* 2 bits to encode */
751 field_size = rtsize (n, 16-2);
755 * MemberRefParent: TypeDef, TypeRef, MethodDef, ModuleRef, TypeSpec, MemberRef
757 case MONO_MT_MRP_IDX:
758 n = MAX (meta->tables [MONO_TABLE_TYPEDEF].rows,
759 meta->tables [MONO_TABLE_TYPEREF].rows);
760 n = MAX (n, meta->tables [MONO_TABLE_METHOD].rows);
761 n = MAX (n, meta->tables [MONO_TABLE_MODULEREF].rows);
762 n = MAX (n, meta->tables [MONO_TABLE_TYPESPEC].rows);
764 /* 3 bits to encode */
765 field_size = rtsize (n, 16 - 3);
769 * MethodDefOrRef: MethodDef, MemberRef
771 case MONO_MT_MDOR_IDX:
772 n = MAX (meta->tables [MONO_TABLE_METHOD].rows,
773 meta->tables [MONO_TABLE_MEMBERREF].rows);
775 /* 1 bit used to encode tag */
776 field_size = rtsize (n, 16-1);
780 * HasSemantics: Property, Event
783 n = MAX (meta->tables [MONO_TABLE_PROPERTY].rows,
784 meta->tables [MONO_TABLE_EVENT].rows);
786 /* 1 bit used to encode tag */
787 field_size = rtsize (n, 16-1);
791 * ResolutionScope: Module, ModuleRef, AssemblyRef, TypeRef
794 n = MAX (meta->tables [MONO_TABLE_MODULE].rows,
795 meta->tables [MONO_TABLE_MODULEREF].rows);
796 n = MAX (n, meta->tables [MONO_TABLE_ASSEMBLYREF].rows);
797 n = MAX (n, meta->tables [MONO_TABLE_TYPEREF].rows);
799 /* 2 bits used to encode tag (ECMA spec claims 3) */
800 field_size = rtsize (n, 16 - 2);
805 * encode field size as follows (we just need to
812 bitfield |= (field_size-1) << shift;
815 /*g_print ("table %02x field %d size %d\n", tableindex, i, field_size);*/
818 *result_bitfield = (i << 24) | bitfield;
823 * mono_metadata_compute_table_bases:
824 * @meta: metadata context to compute table values
826 * Computes the table bases for the metadata structure.
827 * This is an internal function used by the image loader code.
830 mono_metadata_compute_table_bases (MonoImage *meta)
833 const char *base = meta->tables_base;
835 for (i = 0; i < MONO_TABLE_NUM; i++) {
836 MonoTableInfo *table = &meta->tables [i];
837 if (table->rows == 0)
840 table->row_size = mono_metadata_compute_size (meta, i, &table->size_bitfield);
842 base += table->rows * table->row_size;
847 * mono_metadata_locate:
848 * @meta: metadata context
849 * @table: table code.
850 * @idx: index of element to retrieve from @table.
852 * Returns: a pointer to the @idx element in the metadata table
853 * whose code is @table.
856 mono_metadata_locate (MonoImage *meta, int table, int idx)
858 /* idx == 0 refers always to NULL */
859 g_return_val_if_fail (idx > 0 && idx <= meta->tables [table].rows, ""); /*FIXME shouldn't we return NULL here?*/
861 return meta->tables [table].base + (meta->tables [table].row_size * (idx - 1));
865 * mono_metadata_locate_token:
866 * @meta: metadata context
867 * @token: metadata token
869 * Returns: a pointer to the data in the metadata represented by the
873 mono_metadata_locate_token (MonoImage *meta, guint32 token)
875 return mono_metadata_locate (meta, token >> 24, token & 0xffffff);
879 * mono_metadata_string_heap:
880 * @meta: metadata context
881 * @index: index into the string heap.
883 * Returns: an in-memory pointer to the @index in the string heap.
886 mono_metadata_string_heap (MonoImage *meta, guint32 index)
888 g_assert (index < meta->heap_strings.size);
889 g_return_val_if_fail (index < meta->heap_strings.size, "");
890 return meta->heap_strings.data + index;
894 * mono_metadata_user_string:
895 * @meta: metadata context
896 * @index: index into the user string heap.
898 * Returns: an in-memory pointer to the @index in the user string heap ("#US").
901 mono_metadata_user_string (MonoImage *meta, guint32 index)
903 g_assert (index < meta->heap_us.size);
904 g_return_val_if_fail (index < meta->heap_us.size, "");
905 return meta->heap_us.data + index;
909 * mono_metadata_blob_heap:
910 * @meta: metadata context
911 * @index: index into the blob.
913 * Returns: an in-memory pointer to the @index in the Blob heap.
916 mono_metadata_blob_heap (MonoImage *meta, guint32 index)
918 g_assert (index < meta->heap_blob.size);
919 g_return_val_if_fail (index < meta->heap_blob.size, "");/*FIXME shouldn't we return NULL and check for index == 0?*/
920 return meta->heap_blob.data + index;
924 * mono_metadata_guid_heap:
925 * @meta: metadata context
926 * @index: index into the guid heap.
928 * Returns: an in-memory pointer to the @index in the guid heap.
931 mono_metadata_guid_heap (MonoImage *meta, guint32 index)
934 index *= 16; /* adjust for guid size and 1-based index */
935 g_return_val_if_fail (index < meta->heap_guid.size, "");
936 return meta->heap_guid.data + index;
939 static const unsigned char *
940 dword_align (const unsigned char *ptr)
942 #if SIZEOF_VOID_P == 8
943 return (const unsigned char *) (((guint64) (ptr + 3)) & ~3);
945 return (const unsigned char *) (((guint32) (ptr + 3)) & ~3);
950 * mono_metadata_decode_row:
951 * @t: table to extract information from.
952 * @idx: index in table.
953 * @res: array of @res_size cols to store the results in
955 * This decompresses the metadata element @idx in table @t
956 * into the guint32 @res array that has res_size elements
959 mono_metadata_decode_row (const MonoTableInfo *t, int idx, guint32 *res, int res_size)
961 guint32 bitfield = t->size_bitfield;
962 int i, count = mono_metadata_table_count (bitfield);
965 g_assert (idx < t->rows);
967 data = t->base + idx * t->row_size;
969 g_assert (res_size == count);
971 for (i = 0; i < count; i++) {
972 int n = mono_metadata_table_size (bitfield, i);
976 res [i] = *data; break;
978 res [i] = read16 (data); break;
980 res [i] = read32 (data); break;
982 g_assert_not_reached ();
989 * mono_metadata_decode_row_col:
990 * @t: table to extract information from.
991 * @idx: index for row in table.
992 * @col: column in the row.
994 * This function returns the value of column @col from the @idx
995 * row in the table @t.
998 mono_metadata_decode_row_col (const MonoTableInfo *t, int idx, guint col)
1000 guint32 bitfield = t->size_bitfield;
1002 register const char *data;
1005 g_assert (idx < t->rows);
1006 g_assert (col < mono_metadata_table_count (bitfield));
1007 data = t->base + idx * t->row_size;
1009 n = mono_metadata_table_size (bitfield, 0);
1010 for (i = 0; i < col; ++i) {
1012 n = mono_metadata_table_size (bitfield, i + 1);
1018 return read16 (data);
1020 return read32 (data);
1022 g_assert_not_reached ();
1028 * mono_metadata_decode_blob_size:
1029 * @ptr: pointer to a blob object
1030 * @rptr: the new position of the pointer
1032 * This decodes a compressed size as described by 23.1.4 (a blob or user string object)
1034 * Returns: the size of the blob object
1037 mono_metadata_decode_blob_size (const char *xptr, const char **rptr)
1039 const unsigned char *ptr = (const unsigned char *)xptr;
1042 if ((*ptr & 0x80) == 0){
1043 size = ptr [0] & 0x7f;
1045 } else if ((*ptr & 0x40) == 0){
1046 size = ((ptr [0] & 0x3f) << 8) + ptr [1];
1049 size = ((ptr [0] & 0x1f) << 24) +
1061 * mono_metadata_decode_value:
1062 * @ptr: pointer to decode from
1063 * @rptr: the new position of the pointer
1065 * This routine decompresses 32-bit values as specified in the "Blob and
1066 * Signature" section (22.2)
1068 * Returns: the decoded value
1071 mono_metadata_decode_value (const char *_ptr, const char **rptr)
1073 const unsigned char *ptr = (const unsigned char *) _ptr;
1074 unsigned char b = *ptr;
1077 if ((b & 0x80) == 0){
1080 } else if ((b & 0x40) == 0){
1081 len = ((b & 0x3f) << 8 | ptr [1]);
1084 len = ((b & 0x1f) << 24) |
1097 * mono_metadata_decode_signed_value:
1098 * @ptr: pointer to decode from
1099 * @rptr: the new position of the pointer
1101 * This routine decompresses 32-bit signed values
1102 * (not specified in the spec)
1104 * Returns: the decoded value
1107 mono_metadata_decode_signed_value (const char *ptr, const char **rptr)
1109 guint32 uval = mono_metadata_decode_value (ptr, rptr);
1110 gint32 ival = uval >> 1;
1113 /* ival is a truncated 2's complement negative number. */
1115 /* 6 bits = 7 bits for compressed representation (top bit is '0') - 1 sign bit */
1118 /* 13 bits = 14 bits for compressed representation (top bits are '10') - 1 sign bit */
1119 return ival - 0x2000;
1120 if (ival < 0x10000000)
1121 /* 28 bits = 29 bits for compressed representation (top bits are '110') - 1 sign bit */
1122 return ival - 0x10000000;
1123 g_assert (ival < 0x20000000);
1124 g_warning ("compressed signed value appears to use 29 bits for compressed representation: %x (raw: %8x)", ival, uval);
1125 return ival - 0x20000000;
1129 * Translates the given 1-based index into the Method, Field, Event, or Param tables
1130 * using the *Ptr tables in uncompressed metadata, if they are available.
1132 * FIXME: The caller is not forced to call this function, which is error-prone, since
1133 * forgetting to call it would only show up as a bug on uncompressed metadata.
1136 mono_metadata_translate_token_index (MonoImage *image, int table, guint32 idx)
1138 if (!image->uncompressed_metadata)
1142 case MONO_TABLE_METHOD:
1143 if (image->tables [MONO_TABLE_METHOD_POINTER].rows)
1144 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_METHOD_POINTER], idx - 1, MONO_METHOD_POINTER_METHOD);
1147 case MONO_TABLE_FIELD:
1148 if (image->tables [MONO_TABLE_FIELD_POINTER].rows)
1149 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_FIELD_POINTER], idx - 1, MONO_FIELD_POINTER_FIELD);
1152 case MONO_TABLE_EVENT:
1153 if (image->tables [MONO_TABLE_EVENT_POINTER].rows)
1154 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_EVENT_POINTER], idx - 1, MONO_EVENT_POINTER_EVENT);
1157 case MONO_TABLE_PROPERTY:
1158 if (image->tables [MONO_TABLE_PROPERTY_POINTER].rows)
1159 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PROPERTY_POINTER], idx - 1, MONO_PROPERTY_POINTER_PROPERTY);
1162 case MONO_TABLE_PARAM:
1163 if (image->tables [MONO_TABLE_PARAM_POINTER].rows)
1164 return mono_metadata_decode_row_col (&image->tables [MONO_TABLE_PARAM_POINTER], idx - 1, MONO_PARAM_POINTER_PARAM);
1173 * mono_metadata_decode_table_row:
1175 * Same as mono_metadata_decode_row, but takes an IMAGE+TABLE ID pair, and takes
1176 * uncompressed metadata into account, so it should be used to access the
1177 * Method, Field, Param and Event tables when the access is made from metadata, i.e.
1178 * IDX is retrieved from a metadata table, like MONO_TYPEDEF_FIELD_LIST.
1181 mono_metadata_decode_table_row (MonoImage *image, int table, int idx, guint32 *res, int res_size)
1183 if (image->uncompressed_metadata)
1184 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1186 mono_metadata_decode_row (&image->tables [table], idx, res, res_size);
1190 * mono_metadata_decode_table_row_col:
1192 * Same as mono_metadata_decode_row_col, but takes an IMAGE+TABLE ID pair, and takes
1193 * uncompressed metadata into account, so it should be used to access the
1194 * Method, Field, Param and Event tables.
1196 guint32 mono_metadata_decode_table_row_col (MonoImage *image, int table, int idx, guint col)
1198 if (image->uncompressed_metadata)
1199 idx = mono_metadata_translate_token_index (image, table, idx + 1) - 1;
1201 return mono_metadata_decode_row_col (&image->tables [table], idx, col);
1205 * mono_metadata_parse_typedef_or_ref:
1206 * @m: a metadata context.
1207 * @ptr: a pointer to an encoded TypedefOrRef in @m
1208 * @rptr: pointer updated to match the end of the decoded stream
1210 * Returns: a token valid in the @m metadata decoded from
1211 * the compressed representation.
1214 mono_metadata_parse_typedef_or_ref (MonoImage *m, const char *ptr, const char **rptr)
1217 token = mono_metadata_decode_value (ptr, &ptr);
1220 return mono_metadata_token_from_dor (token);
1224 * mono_metadata_parse_custom_mod:
1225 * @m: a metadata context.
1226 * @dest: storage where the info about the custom modifier is stored (may be NULL)
1227 * @ptr: a pointer to (possibly) the start of a custom modifier list
1228 * @rptr: pointer updated to match the end of the decoded stream
1230 * Checks if @ptr points to a type custom modifier compressed representation.
1232 * Returns: #TRUE if a custom modifier was found, #FALSE if not.
1235 mono_metadata_parse_custom_mod (MonoImage *m, MonoCustomMod *dest, const char *ptr, const char **rptr)
1237 MonoCustomMod local;
1238 if ((*ptr == MONO_TYPE_CMOD_OPT) || (*ptr == MONO_TYPE_CMOD_REQD)) {
1241 dest->required = *ptr == MONO_TYPE_CMOD_REQD ? 1 : 0;
1242 dest->token = mono_metadata_parse_typedef_or_ref (m, ptr + 1, rptr);
1249 * mono_metadata_parse_array_internal:
1250 * @m: a metadata context.
1251 * @transient: whenever to allocate data from the heap
1252 * @ptr: a pointer to an encoded array description.
1253 * @rptr: pointer updated to match the end of the decoded stream
1255 * Decodes the compressed array description found in the metadata @m at @ptr.
1257 * Returns: a #MonoArrayType structure describing the array type
1258 * and dimensions. Memory is allocated from the heap or from the image mempool, depending
1259 * on the value of @transient.
1261 * LOCKING: Acquires the loader lock
1263 static MonoArrayType *
1264 mono_metadata_parse_array_internal (MonoImage *m, MonoGenericContainer *container,
1265 gboolean transient, const char *ptr, const char **rptr)
1268 MonoArrayType *array;
1271 array = transient ? g_malloc0 (sizeof (MonoArrayType)) : mono_image_alloc0 (m, sizeof (MonoArrayType));
1272 etype = mono_metadata_parse_type_full (m, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
1275 array->eklass = mono_class_from_mono_type (etype);
1276 array->rank = mono_metadata_decode_value (ptr, &ptr);
1278 array->numsizes = mono_metadata_decode_value (ptr, &ptr);
1279 if (array->numsizes)
1280 array->sizes = transient ? g_malloc0 (sizeof (int) * array->numsizes) : mono_image_alloc0 (m, sizeof (int) * array->numsizes);
1281 for (i = 0; i < array->numsizes; ++i)
1282 array->sizes [i] = mono_metadata_decode_value (ptr, &ptr);
1284 array->numlobounds = mono_metadata_decode_value (ptr, &ptr);
1285 if (array->numlobounds)
1286 array->lobounds = transient ? g_malloc0 (sizeof (int) * array->numlobounds) : mono_image_alloc0 (m, sizeof (int) * array->numlobounds);
1287 for (i = 0; i < array->numlobounds; ++i)
1288 array->lobounds [i] = mono_metadata_decode_signed_value (ptr, &ptr);
1296 mono_metadata_parse_array_full (MonoImage *m, MonoGenericContainer *container,
1297 const char *ptr, const char **rptr)
1299 return mono_metadata_parse_array_internal (m, container, FALSE, ptr, rptr);
1303 mono_metadata_parse_array (MonoImage *m, const char *ptr, const char **rptr)
1305 return mono_metadata_parse_array_full (m, NULL, ptr, rptr);
1309 * mono_metadata_free_array:
1310 * @array: array description
1312 * Frees the array description returned from mono_metadata_parse_array().
1315 mono_metadata_free_array (MonoArrayType *array)
1317 g_free (array->sizes);
1318 g_free (array->lobounds);
1323 * need to add common field and param attributes combinations:
1326 * public static literal
1329 * private static literal
1331 static const MonoType
1333 /* data, attrs, type, nmods, byref, pinned */
1334 {{NULL}, 0, MONO_TYPE_VOID, 0, 0, 0},
1335 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 0, 0},
1336 {{NULL}, 0, MONO_TYPE_BOOLEAN, 0, 1, 0},
1337 {{NULL}, 0, MONO_TYPE_CHAR, 0, 0, 0},
1338 {{NULL}, 0, MONO_TYPE_CHAR, 0, 1, 0},
1339 {{NULL}, 0, MONO_TYPE_I1, 0, 0, 0},
1340 {{NULL}, 0, MONO_TYPE_I1, 0, 1, 0},
1341 {{NULL}, 0, MONO_TYPE_U1, 0, 0, 0},
1342 {{NULL}, 0, MONO_TYPE_U1, 0, 1, 0},
1343 {{NULL}, 0, MONO_TYPE_I2, 0, 0, 0},
1344 {{NULL}, 0, MONO_TYPE_I2, 0, 1, 0},
1345 {{NULL}, 0, MONO_TYPE_U2, 0, 0, 0},
1346 {{NULL}, 0, MONO_TYPE_U2, 0, 1, 0},
1347 {{NULL}, 0, MONO_TYPE_I4, 0, 0, 0},
1348 {{NULL}, 0, MONO_TYPE_I4, 0, 1, 0},
1349 {{NULL}, 0, MONO_TYPE_U4, 0, 0, 0},
1350 {{NULL}, 0, MONO_TYPE_U4, 0, 1, 0},
1351 {{NULL}, 0, MONO_TYPE_I8, 0, 0, 0},
1352 {{NULL}, 0, MONO_TYPE_I8, 0, 1, 0},
1353 {{NULL}, 0, MONO_TYPE_U8, 0, 0, 0},
1354 {{NULL}, 0, MONO_TYPE_U8, 0, 1, 0},
1355 {{NULL}, 0, MONO_TYPE_R4, 0, 0, 0},
1356 {{NULL}, 0, MONO_TYPE_R4, 0, 1, 0},
1357 {{NULL}, 0, MONO_TYPE_R8, 0, 0, 0},
1358 {{NULL}, 0, MONO_TYPE_R8, 0, 1, 0},
1359 {{NULL}, 0, MONO_TYPE_STRING, 0, 0, 0},
1360 {{NULL}, 0, MONO_TYPE_STRING, 0, 1, 0},
1361 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 0, 0},
1362 {{NULL}, 0, MONO_TYPE_OBJECT, 0, 1, 0},
1363 {{NULL}, 0, MONO_TYPE_TYPEDBYREF, 0, 0, 0},
1364 {{NULL}, 0, MONO_TYPE_I, 0, 0, 0},
1365 {{NULL}, 0, MONO_TYPE_I, 0, 1, 0},
1366 {{NULL}, 0, MONO_TYPE_U, 0, 0, 0},
1367 {{NULL}, 0, MONO_TYPE_U, 0, 1, 0},
1370 #define NBUILTIN_TYPES() (sizeof (builtin_types) / sizeof (builtin_types [0]))
1372 static GHashTable *type_cache = NULL;
1373 static int next_generic_inst_id = 0;
1375 /* Protected by image_sets_mutex */
1376 static MonoImageSet *mscorlib_image_set;
1377 /* Protected by image_sets_mutex */
1378 static GPtrArray *image_sets;
1379 static mono_mutex_t image_sets_mutex;
1381 static guint mono_generic_class_hash (gconstpointer data);
1384 * MonoTypes with modifies are never cached, so we never check or use that field.
1387 mono_type_hash (gconstpointer data)
1389 const MonoType *type = (const MonoType *) data;
1390 if (type->type == MONO_TYPE_GENERICINST)
1391 return mono_generic_class_hash (type->data.generic_class);
1393 return type->type | (type->byref << 8) | (type->attrs << 9);
1397 mono_type_equal (gconstpointer ka, gconstpointer kb)
1399 const MonoType *a = (const MonoType *) ka;
1400 const MonoType *b = (const MonoType *) kb;
1402 if (a->type != b->type || a->byref != b->byref || a->attrs != b->attrs || a->pinned != b->pinned)
1404 /* need other checks */
1409 mono_metadata_generic_inst_hash (gconstpointer data)
1411 const MonoGenericInst *ginst = (const MonoGenericInst *) data;
1415 for (i = 0; i < ginst->type_argc; ++i) {
1417 hash += mono_metadata_type_hash (ginst->type_argv [i]);
1420 return hash ^ (ginst->is_open << 8);
1424 mono_generic_inst_equal_full (const MonoGenericInst *a, const MonoGenericInst *b, gboolean signature_only)
1428 #ifndef MONO_SMALL_CONFIG
1429 if (a->id && b->id) {
1432 if (!signature_only)
1437 if (a->is_open != b->is_open || a->type_argc != b->type_argc)
1439 for (i = 0; i < a->type_argc; ++i) {
1440 if (!do_mono_metadata_type_equal (a->type_argv [i], b->type_argv [i], signature_only))
1447 mono_metadata_generic_inst_equal (gconstpointer ka, gconstpointer kb)
1449 const MonoGenericInst *a = (const MonoGenericInst *) ka;
1450 const MonoGenericInst *b = (const MonoGenericInst *) kb;
1452 return mono_generic_inst_equal_full (a, b, FALSE);
1456 mono_generic_class_hash (gconstpointer data)
1458 const MonoGenericClass *gclass = (const MonoGenericClass *) data;
1459 guint hash = mono_metadata_type_hash (&gclass->container_class->byval_arg);
1462 hash += gclass->is_tb_open;
1463 hash += mono_metadata_generic_context_hash (&gclass->context);
1469 mono_generic_class_equal (gconstpointer ka, gconstpointer kb)
1471 const MonoGenericClass *a = (const MonoGenericClass *) ka;
1472 const MonoGenericClass *b = (const MonoGenericClass *) kb;
1474 return _mono_metadata_generic_class_equal (a, b, FALSE);
1478 * mono_metadata_init:
1480 * Initialize the global variables of this module.
1481 * This is a Mono runtime internal function.
1484 mono_metadata_init (void)
1488 type_cache = g_hash_table_new (mono_type_hash, mono_type_equal);
1490 for (i = 0; i < NBUILTIN_TYPES (); ++i)
1491 g_hash_table_insert (type_cache, (gpointer) &builtin_types [i], (gpointer) &builtin_types [i]);
1493 mono_mutex_init_recursive (&image_sets_mutex);
1497 * mono_metadata_cleanup:
1499 * Free all resources used by this module.
1500 * This is a Mono runtime internal function.
1503 mono_metadata_cleanup (void)
1505 g_hash_table_destroy (type_cache);
1507 g_ptr_array_free (image_sets, TRUE);
1509 mono_mutex_destroy (&image_sets_mutex);
1513 * mono_metadata_parse_type:
1514 * @m: metadata context
1515 * @mode: king of type that may be found at @ptr
1516 * @opt_attrs: optional attributes to store in the returned type
1517 * @ptr: pointer to the type representation
1518 * @rptr: pointer updated to match the end of the decoded stream
1519 * @transient: whenever to allocate the result from the heap or from a mempool
1521 * Decode a compressed type description found at @ptr in @m.
1522 * @mode can be one of MONO_PARSE_MOD_TYPE, MONO_PARSE_PARAM, MONO_PARSE_RET,
1523 * MONO_PARSE_FIELD, MONO_PARSE_LOCAL, MONO_PARSE_TYPE.
1524 * This function can be used to decode type descriptions in method signatures,
1525 * field signatures, locals signatures etc.
1527 * To parse a generic type, `generic_container' points to the current class'es
1528 * (the `generic_container' field in the MonoClass) or the current generic method's
1529 * (stored in image->property_hash) generic container.
1530 * When we encounter any MONO_TYPE_VAR or MONO_TYPE_MVAR's, they're looked up in
1531 * this MonoGenericContainer.
1533 * LOCKING: Acquires the loader lock.
1535 * Returns: a #MonoType structure representing the decoded type.
1538 mono_metadata_parse_type_internal (MonoImage *m, MonoGenericContainer *container, MonoParseTypeMode mode,
1539 short opt_attrs, gboolean transient, const char *ptr, const char **rptr)
1541 MonoType *type, *cached;
1543 gboolean byref = FALSE;
1544 gboolean pinned = FALSE;
1545 const char *tmp_ptr;
1550 * According to the spec, custom modifiers should come before the byref
1551 * flag, but the IL produced by ilasm from the following signature:
1552 * object modopt(...) &
1553 * starts with a byref flag, followed by the modifiers. (bug #49802)
1554 * Also, this type seems to be different from 'object & modopt(...)'. Maybe
1555 * it would be better to treat byref as real type constructor instead of
1557 * Also, pinned should come before anything else, but some MSV++ produced
1558 * assemblies violate this (#bug 61990).
1561 /* Count the modifiers first */
1566 case MONO_TYPE_PINNED:
1567 case MONO_TYPE_BYREF:
1570 case MONO_TYPE_CMOD_REQD:
1571 case MONO_TYPE_CMOD_OPT:
1573 mono_metadata_parse_custom_mod (m, NULL, tmp_ptr, &tmp_ptr);
1583 size = MONO_SIZEOF_TYPE + ((gint32)count) * sizeof (MonoCustomMod);
1584 type = transient ? g_malloc0 (size) : mono_image_alloc0 (m, size);
1585 type->num_mods = count;
1587 g_warning ("got more than 64 modifiers in type");
1590 memset (type, 0, MONO_SIZEOF_TYPE);
1593 /* Parse pinned, byref and custom modifiers */
1598 case MONO_TYPE_PINNED:
1602 case MONO_TYPE_BYREF:
1606 case MONO_TYPE_CMOD_REQD:
1607 case MONO_TYPE_CMOD_OPT:
1608 mono_metadata_parse_custom_mod (m, &(type->modifiers [count]), ptr, &ptr);
1616 type->attrs = opt_attrs;
1617 type->byref = byref;
1618 type->pinned = pinned ? 1 : 0;
1620 if (!do_mono_metadata_parse_type (type, m, container, transient, ptr, &ptr)) {
1627 if (!type->num_mods && !transient) {
1628 /* no need to free type here, because it is on the stack */
1629 if ((type->type == MONO_TYPE_CLASS || type->type == MONO_TYPE_VALUETYPE) && !type->pinned && !type->attrs) {
1630 MonoType *ret = type->byref ? &type->data.klass->this_arg : &type->data.klass->byval_arg;
1632 /* Consider the case:
1634 class Foo<T> { class Bar {} }
1635 class Test : Foo<Test>.Bar {}
1637 When Foo<Test> is being expanded, 'Test' isn't yet initialized. It's actually in
1638 a really pristine state: it doesn't even know whether 'Test' is a reference or a value type.
1640 We ensure that the MonoClass is in a state that we can canonicalize to:
1642 klass->byval_arg.data.klass == klass
1643 klass->this_arg.data.klass == klass
1645 If we can't canonicalize 'type', it doesn't matter, since later users of 'type' will do it.
1647 LOCKING: even though we don't explicitly hold a lock, in the problematic case 'ret' is a field
1648 of a MonoClass which currently holds the loader lock. 'type' is local.
1650 if (ret->data.klass == type->data.klass) {
1654 /* No need to use locking since nobody is modifying the hash table */
1655 if ((cached = g_hash_table_lookup (type_cache, type))) {
1660 /* printf ("%x %x %c %s\n", type->attrs, type->num_mods, type->pinned ? 'p' : ' ', mono_type_full_name (type)); */
1662 if (type == &stype) {
1663 type = transient ? g_malloc (MONO_SIZEOF_TYPE) : mono_image_alloc (m, MONO_SIZEOF_TYPE);
1664 memcpy (type, &stype, MONO_SIZEOF_TYPE);
1670 mono_metadata_parse_type_full (MonoImage *m, MonoGenericContainer *container, MonoParseTypeMode mode,
1671 short opt_attrs, const char *ptr, const char **rptr)
1673 return mono_metadata_parse_type_internal (m, container, mode, opt_attrs, FALSE, ptr, rptr);
1677 * LOCKING: Acquires the loader lock.
1680 mono_metadata_parse_type (MonoImage *m, MonoParseTypeMode mode, short opt_attrs,
1681 const char *ptr, const char **rptr)
1683 return mono_metadata_parse_type_full (m, NULL, mode, opt_attrs, ptr, rptr);
1687 mono_metadata_method_has_param_attrs (MonoImage *m, int def)
1689 MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
1690 MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
1691 guint lastp, i, param_index = mono_metadata_decode_row_col (methodt, def - 1, MONO_METHOD_PARAMLIST);
1693 if (def < methodt->rows)
1694 lastp = mono_metadata_decode_row_col (methodt, def, MONO_METHOD_PARAMLIST);
1696 lastp = m->tables [MONO_TABLE_PARAM].rows + 1;
1698 for (i = param_index; i < lastp; ++i) {
1699 guint32 flags = mono_metadata_decode_row_col (paramt, i - 1, MONO_PARAM_FLAGS);
1708 * mono_metadata_get_param_attrs:
1710 * @m The image to loader parameter attributes from
1711 * @def method def token (one based)
1712 * @param_count number of params to decode including the return value
1714 * Return the parameter attributes for the method whose MethodDef index is DEF. The
1715 * returned memory needs to be freed by the caller. If all the param attributes are
1716 * 0, then NULL is returned.
1719 mono_metadata_get_param_attrs (MonoImage *m, int def, int param_count)
1721 MonoTableInfo *paramt = &m->tables [MONO_TABLE_PARAM];
1722 MonoTableInfo *methodt = &m->tables [MONO_TABLE_METHOD];
1723 guint32 cols [MONO_PARAM_SIZE];
1724 guint lastp, i, param_index = mono_metadata_decode_row_col (methodt, def - 1, MONO_METHOD_PARAMLIST);
1727 if (def < methodt->rows)
1728 lastp = mono_metadata_decode_row_col (methodt, def, MONO_METHOD_PARAMLIST);
1730 lastp = paramt->rows + 1;
1732 for (i = param_index; i < lastp; ++i) {
1733 mono_metadata_decode_row (paramt, i - 1, cols, MONO_PARAM_SIZE);
1734 if (cols [MONO_PARAM_FLAGS]) {
1736 pattrs = g_new0 (int, param_count);
1737 /* at runtime we just ignore this kind of malformed file:
1738 * the verifier can signal the error to the user
1740 if (cols [MONO_PARAM_SEQUENCE] >= param_count)
1742 pattrs [cols [MONO_PARAM_SEQUENCE]] = cols [MONO_PARAM_FLAGS];
1750 * mono_metadata_parse_signature_full:
1751 * @image: metadata context
1752 * @generic_container: generic container
1753 * @toke: metadata token
1755 * Decode a method signature stored in the STANDALONESIG table
1757 * LOCKING: Assumes the loader lock is held.
1759 * Returns: a MonoMethodSignature describing the signature.
1761 MonoMethodSignature*
1762 mono_metadata_parse_signature_full (MonoImage *image, MonoGenericContainer *generic_container, guint32 token)
1764 MonoTableInfo *tables = image->tables;
1765 guint32 idx = mono_metadata_token_index (token);
1769 if (image_is_dynamic (image))
1770 return mono_lookup_dynamic_token (image, token, NULL);
1772 g_assert (mono_metadata_token_table(token) == MONO_TABLE_STANDALONESIG);
1774 sig = mono_metadata_decode_row_col (&tables [MONO_TABLE_STANDALONESIG], idx - 1, 0);
1776 ptr = mono_metadata_blob_heap (image, sig);
1777 mono_metadata_decode_blob_size (ptr, &ptr);
1779 return mono_metadata_parse_method_signature_full (image, generic_container, 0, ptr, NULL);
1783 * mono_metadata_parse_signature:
1784 * @image: metadata context
1785 * @toke: metadata token
1787 * Decode a method signature stored in the STANDALONESIG table
1789 * Returns: a MonoMethodSignature describing the signature.
1791 MonoMethodSignature*
1792 mono_metadata_parse_signature (MonoImage *image, guint32 token)
1794 return mono_metadata_parse_signature_full (image, NULL, token);
1798 * mono_metadata_signature_alloc:
1799 * @image: metadata context
1800 * @nparmas: number of parameters in the signature
1802 * Allocate a MonoMethodSignature structure with the specified number of params.
1803 * The return type and the params types need to be filled later.
1804 * This is a Mono runtime internal function.
1806 * LOCKING: Assumes the loader lock is held.
1808 * Returns: the new MonoMethodSignature structure.
1810 MonoMethodSignature*
1811 mono_metadata_signature_alloc (MonoImage *m, guint32 nparams)
1813 MonoMethodSignature *sig;
1815 sig = mono_image_alloc0 (m, MONO_SIZEOF_METHOD_SIGNATURE + ((gint32)nparams) * sizeof (MonoType*));
1816 sig->param_count = nparams;
1817 sig->sentinelpos = -1;
1822 static MonoMethodSignature*
1823 mono_metadata_signature_dup_internal (MonoImage *image, MonoMemPool *mp, MonoMethodSignature *sig)
1826 MonoMethodSignature *ret;
1827 sigsize = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
1830 ret = mono_image_alloc (image, sigsize);
1832 ret = mono_mempool_alloc (mp, sigsize);
1834 ret = g_malloc (sigsize);
1836 memcpy (ret, sig, sigsize);
1840 MonoMethodSignature*
1841 mono_metadata_signature_dup_full (MonoImage *image, MonoMethodSignature *sig)
1843 return mono_metadata_signature_dup_internal (image, NULL, sig);
1846 /*The mempool is accessed without synchronization*/
1847 MonoMethodSignature*
1848 mono_metadata_signature_dup_mempool (MonoMemPool *mp, MonoMethodSignature *sig)
1850 return mono_metadata_signature_dup_internal (NULL, mp, sig);
1854 * mono_metadata_signature_dup:
1855 * @sig: method signature
1857 * Duplicate an existing MonoMethodSignature so it can be modified.
1858 * This is a Mono runtime internal function.
1860 * Returns: the new MonoMethodSignature structure.
1862 MonoMethodSignature*
1863 mono_metadata_signature_dup (MonoMethodSignature *sig)
1865 return mono_metadata_signature_dup_full (NULL, sig);
1869 * mono_metadata_signature_size:
1871 * Return the amount of memory allocated to SIG.
1874 mono_metadata_signature_size (MonoMethodSignature *sig)
1876 return MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
1880 * mono_metadata_parse_method_signature:
1881 * @m: metadata context
1882 * @generic_container: generics container
1883 * @def: the MethodDef index or 0 for Ref signatures.
1884 * @ptr: pointer to the signature metadata representation
1885 * @rptr: pointer updated to match the end of the decoded stream
1887 * Decode a method signature stored at @ptr.
1888 * This is a Mono runtime internal function.
1890 * LOCKING: Assumes the loader lock is held.
1892 * Returns: a MonoMethodSignature describing the signature.
1894 MonoMethodSignature *
1895 mono_metadata_parse_method_signature_full (MonoImage *m, MonoGenericContainer *container,
1896 int def, const char *ptr, const char **rptr)
1898 MonoMethodSignature *method;
1899 int i, *pattrs = NULL;
1900 guint32 hasthis = 0, explicit_this = 0, call_convention, param_count;
1901 guint32 gen_param_count = 0;
1902 gboolean is_open = FALSE;
1905 gen_param_count = 1;
1910 call_convention = *ptr & 0x0F;
1912 if (gen_param_count)
1913 gen_param_count = mono_metadata_decode_value (ptr, &ptr);
1914 param_count = mono_metadata_decode_value (ptr, &ptr);
1917 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 */
1919 method = mono_metadata_signature_alloc (m, param_count);
1920 method->hasthis = hasthis;
1921 method->explicit_this = explicit_this;
1922 method->call_convention = call_convention;
1923 method->generic_param_count = gen_param_count;
1925 if (call_convention != 0xa) {
1926 method->ret = mono_metadata_parse_type_full (m, container, MONO_PARSE_RET, pattrs ? pattrs [0] : 0, ptr, &ptr);
1928 mono_metadata_free_method_signature (method);
1932 is_open = mono_class_is_open_constructed_type (method->ret);
1935 for (i = 0; i < method->param_count; ++i) {
1936 if (*ptr == MONO_TYPE_SENTINEL) {
1937 if (method->call_convention != MONO_CALL_VARARG || def) {
1938 g_warning ("found sentinel for methoddef or no vararg method 0x%08x on image %s", def, m->name);
1942 if (method->sentinelpos >= 0) {
1943 g_warning ("found sentinel twice in the same signature for method 0x%08x on image %s", def, m->name);
1947 method->sentinelpos = i;
1950 method->params [i] = mono_metadata_parse_type_full (m, container, MONO_PARSE_PARAM, pattrs ? pattrs [i+1] : 0, ptr, &ptr);
1951 if (!method->params [i]) {
1952 mono_metadata_free_method_signature (method);
1957 is_open = mono_class_is_open_constructed_type (method->params [i]);
1960 /* The sentinel could be missing if the caller does not pass any additional arguments */
1961 if (!def && method->call_convention == MONO_CALL_VARARG && method->sentinelpos < 0)
1962 method->sentinelpos = method->param_count;
1964 method->has_type_parameters = is_open;
1966 if (def && (method->call_convention == MONO_CALL_VARARG))
1967 method->sentinelpos = method->param_count;
1974 * Add signature to a cache and increase ref count...
1981 * mono_metadata_parse_method_signature:
1982 * @m: metadata context
1983 * @def: the MethodDef index or 0 for Ref signatures.
1984 * @ptr: pointer to the signature metadata representation
1985 * @rptr: pointer updated to match the end of the decoded stream
1987 * Decode a method signature stored at @ptr.
1988 * This is a Mono runtime internal function.
1990 * LOCKING: Assumes the loader lock is held.
1992 * Returns: a MonoMethodSignature describing the signature.
1994 MonoMethodSignature *
1995 mono_metadata_parse_method_signature (MonoImage *m, int def, const char *ptr, const char **rptr)
1997 return mono_metadata_parse_method_signature_full (m, NULL, def, ptr, rptr);
2001 * mono_metadata_free_method_signature:
2002 * @sig: signature to destroy
2004 * Free the memory allocated in the signature @sig.
2005 * This method needs to be robust and work also on partially-built
2006 * signatures, so it does extra checks.
2009 mono_metadata_free_method_signature (MonoMethodSignature *sig)
2011 /* Everything is allocated from mempools */
2015 mono_metadata_free_type (sig->ret);
2016 for (i = 0; i < sig->param_count; ++i) {
2017 if (sig->params [i])
2018 mono_metadata_free_type (sig->params [i]);
2024 mono_metadata_free_inflated_signature (MonoMethodSignature *sig)
2028 /* Allocated in inflate_generic_signature () */
2030 mono_metadata_free_type (sig->ret);
2031 for (i = 0; i < sig->param_count; ++i) {
2032 if (sig->params [i])
2033 mono_metadata_free_type (sig->params [i]);
2039 inflated_method_equal (gconstpointer a, gconstpointer b)
2041 const MonoMethodInflated *ma = a;
2042 const MonoMethodInflated *mb = b;
2043 if (ma->declaring != mb->declaring)
2045 if (ma->method.method.is_mb_open != mb->method.method.is_mb_open)
2047 return mono_metadata_generic_context_equal (&ma->context, &mb->context);
2051 inflated_method_hash (gconstpointer a)
2053 const MonoMethodInflated *ma = a;
2054 return (mono_metadata_generic_context_hash (&ma->context) ^ mono_aligned_addr_hash (ma->declaring)) + ma->method.method.is_mb_open;
2058 inflated_signature_equal (gconstpointer a, gconstpointer b)
2060 const MonoInflatedMethodSignature *sig1 = a;
2061 const MonoInflatedMethodSignature *sig2 = b;
2063 /* sig->sig is assumed to be canonized */
2064 if (sig1->sig != sig2->sig)
2066 /* The generic instances are canonized */
2067 return mono_metadata_generic_context_equal (&sig1->context, &sig2->context);
2071 inflated_signature_hash (gconstpointer a)
2073 const MonoInflatedMethodSignature *sig = a;
2075 /* sig->sig is assumed to be canonized */
2076 return mono_metadata_generic_context_hash (&sig->context) ^ mono_aligned_addr_hash (sig->sig);
2080 dump_ginst (MonoGenericInst *ginst)
2085 g_print ("Ginst: <");
2086 for (i = 0; i < ginst->type_argc; ++i) {
2089 name = mono_type_get_name (ginst->type_argv [i]);
2090 g_print ("%s", name);
2096 static gboolean type_in_image (MonoType *type, MonoImage *image);
2099 signature_in_image (MonoMethodSignature *sig, MonoImage *image)
2101 gpointer iter = NULL;
2104 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2105 if (type_in_image (p, image))
2108 return type_in_image (mono_signature_get_return_type (sig), image);
2112 ginst_in_image (MonoGenericInst *ginst, MonoImage *image)
2116 for (i = 0; i < ginst->type_argc; ++i) {
2117 if (type_in_image (ginst->type_argv [i], image))
2125 gclass_in_image (MonoGenericClass *gclass, MonoImage *image)
2127 return gclass->container_class->image == image ||
2128 ginst_in_image (gclass->context.class_inst, image);
2132 type_in_image (MonoType *type, MonoImage *image)
2135 switch (type->type) {
2136 case MONO_TYPE_GENERICINST:
2137 return gclass_in_image (type->data.generic_class, image);
2139 type = type->data.type;
2141 case MONO_TYPE_SZARRAY:
2142 type = &type->data.klass->byval_arg;
2144 case MONO_TYPE_ARRAY:
2145 type = &type->data.array->eklass->byval_arg;
2147 case MONO_TYPE_FNPTR:
2148 return signature_in_image (type->data.method, image);
2149 case MONO_TYPE_VAR: {
2150 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2152 g_assert (!container->is_method);
2154 * FIXME: The following check is here solely
2155 * for monodis, which uses the internal
2157 * mono_metadata_load_generic_params(). The
2158 * caller of that function needs to fill in
2159 * owner->klass or owner->method of the
2160 * returned struct, but monodis doesn't do
2161 * that. The image unloading depends on that,
2162 * however, so a crash results without this
2165 if (!container->owner.klass)
2166 return container->image == image;
2167 return container->owner.klass->image == image;
2169 return type->data.generic_param->image == image;
2172 case MONO_TYPE_MVAR: {
2173 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2174 if (type->data.generic_param->image == image)
2177 g_assert (container->is_method);
2178 if (!container->owner.method)
2179 /* RefEmit created generic param whose method is not finished */
2180 return container->image == image;
2181 return container->owner.method->klass->image == image;
2183 return type->data.generic_param->image == image;
2187 /* At this point, we should've avoided all potential allocations in mono_class_from_mono_type () */
2188 return image == mono_class_from_mono_type (type)->image;
2193 image_sets_lock (void)
2195 mono_mutex_lock (&image_sets_mutex);
2199 image_sets_unlock (void)
2201 mono_mutex_unlock (&image_sets_mutex);
2207 * Return a MonoImageSet representing the set of images in IMAGES.
2209 static MonoImageSet*
2210 get_image_set (MonoImage **images, int nimages)
2217 if (nimages == 1 && images [0] == mono_defaults.corlib && mscorlib_image_set)
2218 return mscorlib_image_set;
2220 /* Happens with empty generic instances */
2222 return mscorlib_image_set;
2227 image_sets = g_ptr_array_new ();
2229 if (images [0] == mono_defaults.corlib && nimages > 1)
2230 l = images [1]->image_sets;
2232 l = images [0]->image_sets;
2235 for (; l; l = l->next) {
2238 if (set->nimages == nimages) {
2239 for (j = 0; j < nimages; ++j) {
2240 for (k = 0; k < nimages; ++k)
2241 if (set->images [k] == images [j])
2255 set = g_new0 (MonoImageSet, 1);
2256 set->nimages = nimages;
2257 set->images = g_new0 (MonoImage*, nimages);
2258 mono_mutex_init_recursive (&set->lock);
2259 for (i = 0; i < nimages; ++i)
2260 set->images [i] = images [i];
2261 set->gclass_cache = g_hash_table_new_full (mono_generic_class_hash, mono_generic_class_equal, NULL, (GDestroyNotify)free_generic_class);
2262 set->ginst_cache = g_hash_table_new_full (mono_metadata_generic_inst_hash, mono_metadata_generic_inst_equal, NULL, (GDestroyNotify)free_generic_inst);
2263 set->gmethod_cache = g_hash_table_new_full (inflated_method_hash, inflated_method_equal, NULL, (GDestroyNotify)free_inflated_method);
2264 set->gsignature_cache = g_hash_table_new_full (inflated_signature_hash, inflated_signature_equal, NULL, (GDestroyNotify)free_inflated_signature);
2266 for (i = 0; i < nimages; ++i)
2267 set->images [i]->image_sets = g_slist_prepend (set->images [i]->image_sets, set);
2269 g_ptr_array_add (image_sets, set);
2272 if (nimages == 1 && images [0] == mono_defaults.corlib) {
2273 mono_memory_barrier ();
2274 mscorlib_image_set = set;
2277 image_sets_unlock ();
2283 delete_image_set (MonoImageSet *set)
2287 g_hash_table_destroy (set->gclass_cache);
2288 g_hash_table_destroy (set->ginst_cache);
2289 g_hash_table_destroy (set->gmethod_cache);
2290 g_hash_table_destroy (set->gsignature_cache);
2294 for (i = 0; i < set->nimages; ++i)
2295 set->images [i]->image_sets = g_slist_remove (set->images [i]->image_sets, set);
2297 g_ptr_array_remove (image_sets, set);
2299 image_sets_unlock ();
2302 mono_mempool_destroy (set->mempool);
2303 g_free (set->images);
2304 mono_mutex_destroy (&set->lock);
2309 mono_image_set_lock (MonoImageSet *set)
2311 mono_mutex_lock (&set->lock);
2315 mono_image_set_unlock (MonoImageSet *set)
2317 mono_mutex_unlock (&set->lock);
2321 mono_image_set_alloc (MonoImageSet *set, guint size)
2325 mono_image_set_lock (set);
2327 set->mempool = mono_mempool_new_size (1024);
2328 res = mono_mempool_alloc (set->mempool, size);
2329 mono_image_set_unlock (set);
2335 mono_image_set_alloc0 (MonoImageSet *set, guint size)
2339 mono_image_set_lock (set);
2341 set->mempool = mono_mempool_new_size (1024);
2342 res = mono_mempool_alloc0 (set->mempool, size);
2343 mono_image_set_unlock (set);
2349 mono_image_set_strdup (MonoImageSet *set, const char *s)
2353 mono_image_set_lock (set);
2355 set->mempool = mono_mempool_new_size (1024);
2356 res = mono_mempool_strdup (set->mempool, s);
2357 mono_image_set_unlock (set);
2363 * Structure used by the collect_..._images functions to store the image list.
2366 MonoImage *image_buf [64];
2368 int nimages, images_len;
2372 collect_data_init (CollectData *data)
2374 data->images = data->image_buf;
2375 data->images_len = 64;
2380 collect_data_free (CollectData *data)
2382 if (data->images != data->image_buf)
2383 g_free (data->images);
2387 enlarge_data (CollectData *data)
2389 int new_len = data->images_len < 16 ? 16 : data->images_len * 2;
2390 MonoImage **d = g_new (MonoImage *, new_len);
2393 g_assert_not_reached ();
2394 memcpy (d, data->images, data->images_len);
2395 if (data->images != data->image_buf)
2396 g_free (data->images);
2398 data->images_len = new_len;
2402 add_image (MonoImage *image, CollectData *data)
2406 /* The arrays are small, so use a linear search instead of a hash table */
2407 for (i = 0; i < data->nimages; ++i)
2408 if (data->images [i] == image)
2411 if (data->nimages == data->images_len)
2412 enlarge_data (data);
2414 data->images [data->nimages ++] = image;
2418 collect_type_images (MonoType *type, CollectData *data);
2421 collect_ginst_images (MonoGenericInst *ginst, CollectData *data)
2425 for (i = 0; i < ginst->type_argc; ++i) {
2426 collect_type_images (ginst->type_argv [i], data);
2431 collect_gclass_images (MonoGenericClass *gclass, CollectData *data)
2433 add_image (gclass->container_class->image, data);
2434 if (gclass->context.class_inst)
2435 collect_ginst_images (gclass->context.class_inst, data);
2439 collect_signature_images (MonoMethodSignature *sig, CollectData *data)
2441 gpointer iter = NULL;
2444 collect_type_images (mono_signature_get_return_type (sig), data);
2445 while ((p = mono_signature_get_params (sig, &iter)) != NULL)
2446 collect_type_images (p, data);
2450 collect_inflated_signature_images (MonoInflatedMethodSignature *sig, CollectData *data)
2452 collect_signature_images (sig->sig, data);
2453 if (sig->context.class_inst)
2454 collect_ginst_images (sig->context.class_inst, data);
2455 if (sig->context.method_inst)
2456 collect_ginst_images (sig->context.method_inst, data);
2460 collect_method_images (MonoMethodInflated *method, CollectData *data)
2462 MonoMethod *m = method->declaring;
2464 add_image (method->declaring->klass->image, data);
2465 if (method->context.class_inst)
2466 collect_ginst_images (method->context.class_inst, data);
2467 if (method->context.method_inst)
2468 collect_ginst_images (method->context.method_inst, data);
2470 * Dynamic assemblies have no references, so the images they depend on can be unloaded before them.
2472 if (image_is_dynamic (m->klass->image))
2473 collect_signature_images (mono_method_signature (m), data);
2477 collect_type_images (MonoType *type, CollectData *data)
2480 switch (type->type) {
2481 case MONO_TYPE_GENERICINST:
2482 collect_gclass_images (type->data.generic_class, data);
2485 type = type->data.type;
2487 case MONO_TYPE_SZARRAY:
2488 type = &type->data.klass->byval_arg;
2490 case MONO_TYPE_ARRAY:
2491 type = &type->data.array->eklass->byval_arg;
2493 case MONO_TYPE_FNPTR:
2494 //return signature_in_image (type->data.method, image);
2495 g_assert_not_reached ();
2496 case MONO_TYPE_VAR: {
2497 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2499 g_assert (!container->is_method);
2501 * FIXME: The following check is here solely
2502 * for monodis, which uses the internal
2504 * mono_metadata_load_generic_params(). The
2505 * caller of that function needs to fill in
2506 * owner->klass or owner->method of the
2507 * returned struct, but monodis doesn't do
2508 * that. The image unloading depends on that,
2509 * however, so a crash results without this
2512 if (!container->owner.klass)
2513 add_image (container->image, data);
2515 add_image (container->owner.klass->image, data);
2517 add_image (type->data.generic_param->image, data);
2521 case MONO_TYPE_MVAR: {
2522 MonoGenericContainer *container = mono_type_get_generic_param_owner (type);
2523 if (type->data.generic_param->image)
2524 add_image (type->data.generic_param->image, data);
2526 if (!container->owner.method) {
2527 /* RefEmit created generic param whose method is not finished */
2528 add_image (container->image, data);
2530 g_assert (container->is_method);
2531 add_image (container->owner.method->klass->image, data);
2534 add_image (type->data.generic_param->image, data);
2538 case MONO_TYPE_CLASS:
2539 case MONO_TYPE_VALUETYPE:
2540 add_image (mono_class_from_mono_type (type)->image, data);
2543 add_image (mono_defaults.corlib, data);
2550 } CleanForImageUserData;
2553 steal_gclass_in_image (gpointer key, gpointer value, gpointer data)
2555 MonoGenericClass *gclass = key;
2556 CleanForImageUserData *user_data = data;
2558 g_assert (gclass_in_image (gclass, user_data->image));
2560 user_data->list = g_slist_prepend (user_data->list, gclass);
2565 steal_ginst_in_image (gpointer key, gpointer value, gpointer data)
2567 MonoGenericInst *ginst = key;
2568 CleanForImageUserData *user_data = data;
2570 // This doesn't work during corlib compilation
2571 //g_assert (ginst_in_image (ginst, user_data->image));
2573 user_data->list = g_slist_prepend (user_data->list, ginst);
2578 inflated_method_in_image (gpointer key, gpointer value, gpointer data)
2580 MonoImage *image = data;
2581 MonoMethodInflated *method = key;
2584 // https://bugzilla.novell.com/show_bug.cgi?id=458168
2585 g_assert (method->declaring->klass->image == image ||
2586 (method->context.class_inst && ginst_in_image (method->context.class_inst, image)) ||
2587 (method->context.method_inst && ginst_in_image (method->context.method_inst, image)) || (((MonoMethod*)method)->signature && signature_in_image (mono_method_signature ((MonoMethod*)method), image)));
2593 inflated_signature_in_image (gpointer key, gpointer value, gpointer data)
2595 MonoImage *image = data;
2596 MonoInflatedMethodSignature *sig = key;
2598 return signature_in_image (sig->sig, image) ||
2599 (sig->context.class_inst && ginst_in_image (sig->context.class_inst, image)) ||
2600 (sig->context.method_inst && ginst_in_image (sig->context.method_inst, image));
2604 check_gmethod (gpointer key, gpointer value, gpointer data)
2606 MonoMethodInflated *method = key;
2607 MonoImage *image = data;
2609 if (method->context.class_inst)
2610 g_assert (!ginst_in_image (method->context.class_inst, image));
2611 if (method->context.method_inst)
2612 g_assert (!ginst_in_image (method->context.method_inst, image));
2613 if (((MonoMethod*)method)->signature)
2614 g_assert (!signature_in_image (mono_method_signature ((MonoMethod*)method), image));
2620 * Run a consistency check on the image set data structures.
2622 static G_GNUC_UNUSED void
2623 check_image_sets (MonoImage *image)
2626 GSList *l = image->image_sets;
2631 for (i = 0; i < image_sets->len; ++i) {
2632 MonoImageSet *set = g_ptr_array_index (image_sets, i);
2634 if (!g_slist_find (l, set)) {
2635 g_hash_table_foreach (set->gmethod_cache, check_gmethod, image);
2641 mono_metadata_clean_for_image (MonoImage *image)
2643 CleanForImageUserData ginst_data, gclass_data;
2644 GSList *l, *set_list;
2646 //check_image_sets (image);
2649 * The data structures could reference each other so we delete them in two phases.
2650 * This is required because of the hashing functions in gclass/ginst_cache.
2652 ginst_data.image = gclass_data.image = image;
2653 ginst_data.list = gclass_data.list = NULL;
2655 /* Collect the items to delete */
2656 /* delete_image_set () modifies the lists so make a copy */
2657 for (l = image->image_sets; l; l = l->next) {
2658 MonoImageSet *set = l->data;
2660 mono_image_set_lock (set);
2661 g_hash_table_foreach_steal (set->gclass_cache, steal_gclass_in_image, &gclass_data);
2662 g_hash_table_foreach_steal (set->ginst_cache, steal_ginst_in_image, &ginst_data);
2663 g_hash_table_foreach_remove (set->gmethod_cache, inflated_method_in_image, image);
2664 g_hash_table_foreach_remove (set->gsignature_cache, inflated_signature_in_image, image);
2665 mono_image_set_unlock (set);
2668 /* Delete the removed items */
2669 for (l = ginst_data.list; l; l = l->next)
2670 free_generic_inst (l->data);
2671 for (l = gclass_data.list; l; l = l->next)
2672 free_generic_class (l->data);
2673 g_slist_free (ginst_data.list);
2674 g_slist_free (gclass_data.list);
2675 /* delete_image_set () modifies the lists so make a copy */
2676 set_list = g_slist_copy (image->image_sets);
2677 for (l = set_list; l; l = l->next) {
2678 MonoImageSet *set = l->data;
2680 delete_image_set (set);
2682 g_slist_free (set_list);
2686 free_inflated_method (MonoMethodInflated *imethod)
2689 MonoMethod *method = (MonoMethod*)imethod;
2691 mono_marshal_free_inflated_wrappers (method);
2693 if (method->signature)
2694 mono_metadata_free_inflated_signature (method->signature);
2696 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))) {
2697 MonoMethodHeader *header = imethod->header;
2700 /* Allocated in inflate_generic_header () */
2701 for (i = 0; i < header->num_locals; ++i)
2702 mono_metadata_free_type (header->locals [i]);
2703 g_free (header->clauses);
2712 free_generic_inst (MonoGenericInst *ginst)
2716 /* The ginst itself is allocated from the image set mempool */
2717 for (i = 0; i < ginst->type_argc; ++i)
2718 mono_metadata_free_type (ginst->type_argv [i]);
2722 free_generic_class (MonoGenericClass *gclass)
2724 /* The gclass itself is allocated from the image set mempool */
2725 if (gclass->is_dynamic)
2726 mono_reflection_free_dynamic_generic_class (gclass);
2727 if (gclass->cached_class && gclass->cached_class->interface_id)
2728 mono_unload_interface_id (gclass->cached_class);
2732 free_inflated_signature (MonoInflatedMethodSignature *sig)
2734 mono_metadata_free_inflated_signature (sig->sig);
2739 * LOCKING: assumes the loader lock is held.
2742 mono_method_inflated_lookup (MonoMethodInflated* method, gboolean cache)
2748 collect_data_init (&data);
2750 collect_method_images (method, &data);
2752 set = get_image_set (data.images, data.nimages);
2754 collect_data_free (&data);
2757 mono_image_set_lock (set);
2758 g_hash_table_insert (set->gmethod_cache, method, method);
2759 mono_image_set_unlock (set);
2763 mono_image_set_lock (set);
2764 res = g_hash_table_lookup (set->gmethod_cache, method);
2765 mono_image_set_unlock (set);
2772 * mono_metadata_get_inflated_signature:
2774 * Given an inflated signature and a generic context, return a canonical copy of the
2775 * signature. The returned signature might be equal to SIG or it might be a cached copy.
2777 MonoMethodSignature *
2778 mono_metadata_get_inflated_signature (MonoMethodSignature *sig, MonoGenericContext *context)
2780 MonoInflatedMethodSignature helper;
2781 MonoInflatedMethodSignature *res;
2786 helper.context.class_inst = context->class_inst;
2787 helper.context.method_inst = context->method_inst;
2789 collect_data_init (&data);
2791 collect_inflated_signature_images (&helper, &data);
2793 set = get_image_set (data.images, data.nimages);
2795 collect_data_free (&data);
2797 mono_image_set_lock (set);
2799 res = g_hash_table_lookup (set->gsignature_cache, &helper);
2801 res = g_new0 (MonoInflatedMethodSignature, 1);
2803 res->context.class_inst = context->class_inst;
2804 res->context.method_inst = context->method_inst;
2805 g_hash_table_insert (set->gsignature_cache, res, res);
2808 mono_image_set_unlock (set);
2814 * mono_metadata_get_generic_inst:
2816 * Given a list of types, return a MonoGenericInst that represents that list.
2817 * The returned MonoGenericInst has its own copy of the list of types. The list
2818 * passed in the argument can be freed, modified or disposed of.
2822 mono_metadata_get_generic_inst (int type_argc, MonoType **type_argv)
2824 MonoGenericInst *ginst;
2827 int size = MONO_SIZEOF_GENERIC_INST + type_argc * sizeof (MonoType *);
2831 for (i = 0; i < type_argc; ++i)
2832 if (mono_class_is_open_constructed_type (type_argv [i]))
2834 is_open = (i < type_argc);
2836 ginst = g_alloca (size);
2837 memset (ginst, 0, sizeof (MonoGenericInst));
2838 ginst->is_open = is_open;
2839 ginst->type_argc = type_argc;
2840 memcpy (ginst->type_argv, type_argv, type_argc * sizeof (MonoType *));
2842 collect_data_init (&data);
2844 collect_ginst_images (ginst, &data);
2846 set = get_image_set (data.images, data.nimages);
2848 collect_data_free (&data);
2850 mono_image_set_lock (set);
2852 ginst = g_hash_table_lookup (set->ginst_cache, ginst);
2854 ginst = mono_image_set_alloc0 (set, size);
2855 #ifndef MONO_SMALL_CONFIG
2856 ginst->id = ++next_generic_inst_id;
2858 ginst->is_open = is_open;
2859 ginst->type_argc = type_argc;
2861 for (i = 0; i < type_argc; ++i)
2862 ginst->type_argv [i] = mono_metadata_type_dup (NULL, type_argv [i]);
2864 g_hash_table_insert (set->ginst_cache, ginst, ginst);
2867 mono_image_set_unlock (set);
2872 mono_metadata_is_type_builder_generic_type_definition (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
2874 MonoGenericContainer *container = container_class->generic_container;
2876 if (!is_dynamic || container_class->wastypebuilder || container->type_argc != inst->type_argc)
2878 return inst == container->context.class_inst;
2882 * mono_metadata_lookup_generic_class:
2884 * Returns a MonoGenericClass with the given properties.
2888 mono_metadata_lookup_generic_class (MonoClass *container_class, MonoGenericInst *inst, gboolean is_dynamic)
2890 MonoGenericClass *gclass;
2891 MonoGenericClass helper;
2892 gboolean is_tb_open = mono_metadata_is_type_builder_generic_type_definition (container_class, inst, is_dynamic);
2896 helper.container_class = container_class;
2897 helper.context.class_inst = inst;
2898 helper.context.method_inst = NULL;
2899 helper.is_dynamic = is_dynamic; /* We use this in a hash lookup, which does not attempt to downcast the pointer */
2900 helper.is_tb_open = is_tb_open;
2901 helper.cached_class = NULL;
2903 collect_data_init (&data);
2905 collect_gclass_images (&helper, &data);
2907 set = get_image_set (data.images, data.nimages);
2909 collect_data_free (&data);
2911 mono_image_set_lock (set);
2913 gclass = g_hash_table_lookup (set->gclass_cache, &helper);
2915 /* A tripwire just to keep us honest */
2916 g_assert (!helper.cached_class);
2919 mono_image_set_unlock (set);
2924 MonoDynamicGenericClass *dgclass = mono_image_set_new0 (set, MonoDynamicGenericClass, 1);
2925 gclass = &dgclass->generic_class;
2926 gclass->is_dynamic = 1;
2928 gclass = mono_image_set_new0 (set, MonoGenericClass, 1);
2931 gclass->is_tb_open = is_tb_open;
2932 gclass->container_class = container_class;
2933 gclass->context.class_inst = inst;
2934 gclass->context.method_inst = NULL;
2935 gclass->owner = set;
2936 if (inst == container_class->generic_container->context.class_inst && !is_tb_open)
2937 gclass->cached_class = container_class;
2939 g_hash_table_insert (set->gclass_cache, gclass, gclass);
2941 mono_image_set_unlock (set);
2947 * mono_metadata_inflate_generic_inst:
2949 * Instantiate the generic instance @ginst with the context @context.
2950 * Check @error for success.
2954 mono_metadata_inflate_generic_inst (MonoGenericInst *ginst, MonoGenericContext *context, MonoError *error)
2956 MonoType **type_argv;
2957 MonoGenericInst *nginst = NULL;
2960 mono_error_init (error);
2962 if (!ginst->is_open)
2965 type_argv = g_new0 (MonoType*, ginst->type_argc);
2967 for (i = 0; i < ginst->type_argc; i++) {
2968 type_argv [i] = mono_class_inflate_generic_type_checked (ginst->type_argv [i], context, error);
2969 if (!mono_error_ok (error))
2974 nginst = mono_metadata_get_generic_inst (ginst->type_argc, type_argv);
2977 for (i = 0; i < count; i++)
2978 mono_metadata_free_type (type_argv [i]);
2985 mono_metadata_parse_generic_inst (MonoImage *m, MonoGenericContainer *container,
2986 int count, const char *ptr, const char **rptr)
2988 MonoType **type_argv;
2989 MonoGenericInst *ginst;
2992 type_argv = g_new0 (MonoType*, count);
2994 for (i = 0; i < count; i++) {
2995 MonoType *t = mono_metadata_parse_type_full (m, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
3006 ginst = mono_metadata_get_generic_inst (count, type_argv);
3014 do_mono_metadata_parse_generic_class (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3015 const char *ptr, const char **rptr)
3017 MonoGenericInst *inst;
3022 gtype = mono_metadata_parse_type (m, MONO_PARSE_TYPE, 0, ptr, &ptr);
3026 gklass = mono_class_from_mono_type (gtype);
3027 if (!gklass->generic_container)
3030 count = mono_metadata_decode_value (ptr, &ptr);
3031 inst = mono_metadata_parse_generic_inst (m, container, count, ptr, &ptr);
3038 type->data.generic_class = mono_metadata_lookup_generic_class (gklass, inst, FALSE);
3044 * @gc: The generic container to normalize
3045 * @type: The kind of generic parameters the resulting generic-container should contain
3048 static MonoGenericContainer *
3049 select_container (MonoGenericContainer *gc, MonoTypeEnum type)
3051 gboolean is_var = (type == MONO_TYPE_VAR);
3055 g_assert (is_var || type == MONO_TYPE_MVAR);
3058 if (gc->is_method || gc->parent)
3060 * The current MonoGenericContainer is a generic method -> its `parent'
3061 * points to the containing class'es container.
3070 * mono_metadata_parse_generic_param:
3071 * @generic_container: Our MonoClass's or MonoMethod's MonoGenericContainer;
3072 * see mono_metadata_parse_type_full() for details.
3073 * Internal routine to parse a generic type parameter.
3074 * LOCKING: Acquires the loader lock
3076 static MonoGenericParam *
3077 mono_metadata_parse_generic_param (MonoImage *m, MonoGenericContainer *generic_container,
3078 MonoTypeEnum type, const char *ptr, const char **rptr)
3080 int index = mono_metadata_decode_value (ptr, &ptr);
3084 generic_container = select_container (generic_container, type);
3085 if (!generic_container) {
3086 /* Create dummy MonoGenericParam */
3087 MonoGenericParam *param;
3089 param = mono_image_alloc0 (m, sizeof (MonoGenericParam));
3096 if (index >= generic_container->type_argc)
3099 return mono_generic_container_get_param (generic_container, index);
3103 * mono_metadata_get_shared_type:
3105 * Return a shared instance of TYPE, if available, NULL otherwise.
3106 * Shared MonoType instances help save memory. Their contents should not be modified
3107 * by the caller. They do not need to be freed as their lifetime is bound by either
3108 * the lifetime of the runtime (builtin types), or the lifetime of the MonoClass
3109 * instance they are embedded in. If they are freed, they should be freed using
3110 * mono_metadata_free_type () instead of g_free ().
3113 mono_metadata_get_shared_type (MonoType *type)
3117 /* No need to use locking since nobody is modifying the hash table */
3118 if ((cached = g_hash_table_lookup (type_cache, type)))
3121 switch (type->type){
3122 case MONO_TYPE_CLASS:
3123 case MONO_TYPE_VALUETYPE:
3124 if (type == &type->data.klass->byval_arg)
3126 if (type == &type->data.klass->this_arg)
3135 compare_type_literals (int class_type, int type_type)
3137 /* byval_arg.type can be zero if we're decoding a type that references a class been loading.
3138 * See mcs/test/gtest-440. and #650936.
3139 * FIXME This better be moved to the metadata verifier as it can catch more cases.
3143 /* NET 1.1 assemblies might encode string and object in a denormalized way.
3146 if (type_type == MONO_TYPE_CLASS && (class_type == MONO_TYPE_STRING || class_type == MONO_TYPE_OBJECT))
3148 return class_type == type_type;
3152 * do_mono_metadata_parse_type:
3153 * @type: MonoType to be filled in with the return value
3155 * @generic_context: generics_context
3156 * @transient: whenever to allocate data from the heap
3157 * @ptr: pointer to the encoded type
3158 * @rptr: pointer where the end of the encoded type is saved
3160 * Internal routine used to "fill" the contents of @type from an
3161 * allocated pointer. This is done this way to avoid doing too
3162 * many mini-allocations (particularly for the MonoFieldType which
3163 * most of the time is just a MonoType, but sometimes might be augmented).
3165 * This routine is used by mono_metadata_parse_type and
3166 * mono_metadata_parse_field_type
3168 * This extracts a Type as specified in Partition II (22.2.12)
3170 * Returns: FALSE if the type could not be loaded
3173 do_mono_metadata_parse_type (MonoType *type, MonoImage *m, MonoGenericContainer *container,
3174 gboolean transient, const char *ptr, const char **rptr)
3177 type->type = mono_metadata_decode_value (ptr, &ptr);
3179 switch (type->type){
3180 case MONO_TYPE_VOID:
3181 case MONO_TYPE_BOOLEAN:
3182 case MONO_TYPE_CHAR:
3195 case MONO_TYPE_STRING:
3196 case MONO_TYPE_OBJECT:
3197 case MONO_TYPE_TYPEDBYREF:
3199 case MONO_TYPE_VALUETYPE:
3200 case MONO_TYPE_CLASS: {
3203 token = mono_metadata_parse_typedef_or_ref (m, ptr, &ptr);
3204 class = mono_class_get (m, token);
3205 type->data.klass = class;
3208 if (!compare_type_literals (class->byval_arg.type, type->type))
3212 case MONO_TYPE_SZARRAY: {
3213 MonoType *etype = mono_metadata_parse_type_full (m, container, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
3216 type->data.klass = mono_class_from_mono_type (etype);
3217 if (!type->data.klass)
3222 type->data.type = mono_metadata_parse_type_internal (m, container, MONO_PARSE_MOD_TYPE, 0, transient, ptr, &ptr);
3223 if (!type->data.type)
3226 case MONO_TYPE_FNPTR:
3227 type->data.method = mono_metadata_parse_method_signature_full (m, container, 0, ptr, &ptr);
3228 if (!type->data.method)
3231 case MONO_TYPE_ARRAY:
3232 type->data.array = mono_metadata_parse_array_internal (m, container, transient, ptr, &ptr);
3233 if (!type->data.array)
3236 case MONO_TYPE_MVAR:
3237 if (container && !container->is_method)
3240 type->data.generic_param = mono_metadata_parse_generic_param (m, container, type->type, ptr, &ptr);
3241 if (!type->data.generic_param)
3244 case MONO_TYPE_GENERICINST:
3245 ok = do_mono_metadata_parse_generic_class (type, m, container, ptr, &ptr);
3248 g_warning ("type 0x%02x not handled in do_mono_metadata_parse_type on image %s", type->type, m->name);
3258 * mono_metadata_free_type:
3259 * @type: type to free
3261 * Free the memory allocated for type @type which is allocated on the heap.
3264 mono_metadata_free_type (MonoType *type)
3266 if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
3269 switch (type->type){
3270 case MONO_TYPE_OBJECT:
3271 case MONO_TYPE_STRING:
3272 if (!type->data.klass)
3275 case MONO_TYPE_CLASS:
3276 case MONO_TYPE_VALUETYPE:
3277 if (type == &type->data.klass->byval_arg || type == &type->data.klass->this_arg)
3281 mono_metadata_free_type (type->data.type);
3283 case MONO_TYPE_FNPTR:
3284 mono_metadata_free_method_signature (type->data.method);
3286 case MONO_TYPE_ARRAY:
3287 mono_metadata_free_array (type->data.array);
3296 hex_dump (const char *buffer, int base, int count)
3298 int show_header = 1;
3306 for (i = 0; i < count; i++){
3309 printf ("\n0x%08x: ", (unsigned char) base + i);
3311 printf ("%02x ", (unsigned char) (buffer [i]));
3318 * @ptr: Points to the beginning of the Section Data (25.3)
3320 static MonoExceptionClause*
3321 parse_section_data (MonoImage *m, int *num_clauses, const unsigned char *ptr)
3323 unsigned char sect_data_flags;
3324 const unsigned char *sptr;
3326 guint32 sect_data_len;
3327 MonoExceptionClause* clauses = NULL;
3330 /* align on 32-bit boundary */
3331 sptr = ptr = dword_align (ptr);
3332 sect_data_flags = *ptr;
3335 is_fat = sect_data_flags & METHOD_HEADER_SECTION_FAT_FORMAT;
3337 sect_data_len = (ptr [2] << 16) | (ptr [1] << 8) | ptr [0];
3340 sect_data_len = ptr [0];
3344 g_print ("flags: %02x, len: %d\n", sect_data_flags, sect_data_len);
3345 hex_dump (sptr, 0, sect_data_len+8);
3346 g_print ("\nheader: ");
3347 hex_dump (sptr-4, 0, 4);
3351 if (sect_data_flags & METHOD_HEADER_SECTION_EHTABLE) {
3352 const unsigned char *p = dword_align (ptr);
3354 *num_clauses = is_fat ? sect_data_len / 24: sect_data_len / 12;
3355 /* we could just store a pointer if we don't need to byteswap */
3356 clauses = g_malloc0 (sizeof (MonoExceptionClause) * (*num_clauses));
3357 for (i = 0; i < *num_clauses; ++i) {
3358 MonoExceptionClause *ec = &clauses [i];
3361 ec->flags = read32 (p);
3362 ec->try_offset = read32 (p + 4);
3363 ec->try_len = read32 (p + 8);
3364 ec->handler_offset = read32 (p + 12);
3365 ec->handler_len = read32 (p + 16);
3366 tof_value = read32 (p + 20);
3369 ec->flags = read16 (p);
3370 ec->try_offset = read16 (p + 2);
3371 ec->try_len = *(p + 4);
3372 ec->handler_offset = read16 (p + 5);
3373 ec->handler_len = *(p + 7);
3374 tof_value = read32 (p + 8);
3377 if (ec->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3378 ec->data.filter_offset = tof_value;
3379 } else if (ec->flags == MONO_EXCEPTION_CLAUSE_NONE) {
3380 ec->data.catch_class = tof_value? mono_class_get (m, tof_value): 0;
3382 ec->data.catch_class = NULL;
3384 /* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
3388 if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
3389 ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
3396 * mono_method_get_header_summary:
3397 * @method: The method to get the header.
3398 * @summary: Where to store the header
3401 * Returns: true if the header was properly decoded.
3404 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary)
3410 unsigned char flags, format;
3413 /*Only the GMD has a pointer to the metadata.*/
3414 while (method->is_inflated)
3415 method = ((MonoMethodInflated*)method)->declaring;
3417 summary->code_size = 0;
3418 summary->has_clauses = FALSE;
3420 /*FIXME extract this into a MACRO and share it with mono_method_get_header*/
3421 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))
3424 if (method->wrapper_type != MONO_WRAPPER_NONE || method->sre_method) {
3425 MonoMethodHeader *header = ((MonoMethodWrapper *)method)->header;
3428 summary->code_size = header->code_size;
3429 summary->has_clauses = header->num_clauses > 0;
3434 idx = mono_metadata_token_index (method->token);
3435 img = method->klass->image;
3436 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
3438 /*We must run the verifier since we'll be decoding it.*/
3439 if (!mono_verifier_verify_method_header (img, rva, NULL))
3442 ptr = mono_image_rva_map (img, rva);
3445 flags = *(const unsigned char *)ptr;
3446 format = flags & METHOD_HEADER_FORMAT_MASK;
3449 case METHOD_HEADER_TINY_FORMAT:
3451 summary->code_size = flags >> 2;
3453 case METHOD_HEADER_FAT_FORMAT:
3454 fat_flags = read16 (ptr);
3456 summary->code_size = read32 (ptr);
3457 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3458 summary->has_clauses = TRUE;
3467 * mono_metadata_parse_mh_full:
3468 * @m: metadata context
3469 * @generic_context: generics context
3470 * @ptr: pointer to the method header.
3472 * Decode the method header at @ptr, including pointer to the IL code,
3473 * info about local variables and optional exception tables.
3474 * This is a Mono runtime internal function.
3476 * LOCKING: Acquires the loader lock.
3478 * Returns: a transient MonoMethodHeader allocated from the heap.
3481 mono_metadata_parse_mh_full (MonoImage *m, MonoGenericContainer *container, const char *ptr)
3483 MonoMethodHeader *mh;
3484 unsigned char flags = *(const unsigned char *) ptr;
3485 unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
3487 guint32 local_var_sig_tok, max_stack, code_size, init_locals;
3488 const unsigned char *code;
3489 MonoExceptionClause* clauses = NULL;
3490 int hsize, num_clauses = 0;
3491 MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
3492 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
3494 g_return_val_if_fail (ptr != NULL, NULL);
3497 case METHOD_HEADER_TINY_FORMAT:
3498 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER);
3501 mh->is_transient = TRUE;
3502 local_var_sig_tok = 0;
3503 mh->code_size = flags >> 2;
3504 mh->code = (unsigned char*)ptr;
3506 case METHOD_HEADER_FAT_FORMAT:
3507 fat_flags = read16 (ptr);
3509 hsize = (fat_flags >> 12) & 0xf;
3510 max_stack = read16 (ptr);
3512 code_size = read32 (ptr);
3514 local_var_sig_tok = read32 (ptr);
3517 if (fat_flags & METHOD_HEADER_INIT_LOCALS)
3522 code = (unsigned char*)ptr;
3524 if (!(fat_flags & METHOD_HEADER_MORE_SECTS))
3528 * There are more sections
3530 ptr = (char*)code + code_size;
3536 if (local_var_sig_tok) {
3537 int idx = (local_var_sig_tok & 0xffffff)-1;
3538 if (idx >= t->rows || idx < 0)
3540 mono_metadata_decode_row (t, idx, cols, 1);
3542 if (!mono_verifier_verify_standalone_signature (m, cols [MONO_STAND_ALONE_SIGNATURE], NULL))
3545 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3546 clauses = parse_section_data (m, &num_clauses, (const unsigned char*)ptr);
3547 if (local_var_sig_tok) {
3548 const char *locals_ptr;
3549 int len=0, i, bsize;
3551 locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
3552 bsize = mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
3553 if (*locals_ptr != 0x07)
3554 g_warning ("wrong signature for locals blob");
3556 len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
3557 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER + len * sizeof (MonoType*) + num_clauses * sizeof (MonoExceptionClause));
3558 mh->num_locals = len;
3559 for (i = 0; i < len; ++i) {
3560 mh->locals [i] = mono_metadata_parse_type_internal (m, container,
3561 MONO_PARSE_LOCAL, 0, TRUE, locals_ptr, &locals_ptr);
3562 if (!mh->locals [i]) {
3569 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER + num_clauses * sizeof (MonoExceptionClause));
3572 mh->code_size = code_size;
3573 mh->max_stack = max_stack;
3574 mh->is_transient = TRUE;
3575 mh->init_locals = init_locals;
3577 MonoExceptionClause* clausesp = (MonoExceptionClause*)&mh->locals [mh->num_locals];
3578 memcpy (clausesp, clauses, num_clauses * sizeof (MonoExceptionClause));
3580 mh->clauses = clausesp;
3581 mh->num_clauses = num_clauses;
3587 * mono_metadata_parse_mh:
3588 * @generic_context: generics context
3589 * @ptr: pointer to the method header.
3591 * Decode the method header at @ptr, including pointer to the IL code,
3592 * info about local variables and optional exception tables.
3594 * Returns: a transient MonoMethodHeader allocated from the heap.
3597 mono_metadata_parse_mh (MonoImage *m, const char *ptr)
3599 return mono_metadata_parse_mh_full (m, NULL, ptr);
3603 * mono_metadata_free_mh:
3604 * @mh: a method header
3606 * Free the memory allocated for the method header.
3609 mono_metadata_free_mh (MonoMethodHeader *mh)
3613 /* If it is not transient it means it's part of a wrapper method,
3614 * or a SRE-generated method, so the lifetime in that case is
3615 * dictated by the method's own lifetime
3617 if (mh->is_transient) {
3618 for (i = 0; i < mh->num_locals; ++i)
3619 mono_metadata_free_type (mh->locals [i]);
3625 * mono_method_header_get_code:
3626 * @header: a MonoMethodHeader pointer
3627 * @code_size: memory location for returning the code size
3628 * @max_stack: memory location for returning the max stack
3630 * Method header accessor to retreive info about the IL code properties:
3631 * a pointer to the IL code itself, the size of the code and the max number
3632 * of stack slots used by the code.
3634 * Returns: pointer to the IL code represented by the method header.
3636 const unsigned char*
3637 mono_method_header_get_code (MonoMethodHeader *header, guint32* code_size, guint32* max_stack)
3640 *code_size = header->code_size;
3642 *max_stack = header->max_stack;
3643 return header->code;
3647 * mono_method_header_get_locals:
3648 * @header: a MonoMethodHeader pointer
3649 * @num_locals: memory location for returning the number of local variables
3650 * @init_locals: memory location for returning the init_locals flag
3652 * Method header accessor to retreive info about the local variables:
3653 * an array of local types, the number of locals and whether the locals
3654 * are supposed to be initialized to 0 on method entry
3656 * Returns: pointer to an array of types of the local variables
3659 mono_method_header_get_locals (MonoMethodHeader *header, guint32* num_locals, gboolean *init_locals)
3662 *num_locals = header->num_locals;
3664 *init_locals = header->init_locals;
3665 return header->locals;
3669 * mono_method_header_get_num_clauses:
3670 * @header: a MonoMethodHeader pointer
3672 * Method header accessor to retreive the number of exception clauses.
3674 * Returns: the number of exception clauses present
3677 mono_method_header_get_num_clauses (MonoMethodHeader *header)
3679 return header->num_clauses;
3683 * mono_method_header_get_clauses:
3684 * @header: a MonoMethodHeader pointer
3685 * @method: MonoMethod the header belongs to
3686 * @iter: pointer to a iterator
3687 * @clause: pointer to a MonoExceptionClause structure which will be filled with the info
3689 * Get the info about the exception clauses in the method. Set *iter to NULL to
3690 * initiate the iteration, then call the method repeatedly until it returns FALSE.
3691 * At each iteration, the structure pointed to by clause if filled with the
3692 * exception clause information.
3694 * Returns: TRUE if clause was filled with info, FALSE if there are no more exception
3698 mono_method_header_get_clauses (MonoMethodHeader *header, MonoMethod *method, gpointer *iter, MonoExceptionClause *clause)
3700 MonoExceptionClause *sc;
3701 /* later we'll be able to use this interface to parse the clause info on demand,
3702 * without allocating anything.
3704 if (!iter || !header->num_clauses)
3707 *iter = sc = header->clauses;
3713 if (sc < header->clauses + header->num_clauses) {
3722 * mono_metadata_parse_field_type:
3723 * @m: metadata context to extract information from
3724 * @ptr: pointer to the field signature
3725 * @rptr: pointer updated to match the end of the decoded stream
3727 * Parses the field signature, and returns the type information for it.
3729 * Returns: The MonoType that was extracted from @ptr.
3732 mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
3734 return mono_metadata_parse_type (m, MONO_PARSE_FIELD, field_flags, ptr, rptr);
3738 * mono_metadata_parse_param:
3739 * @m: metadata context to extract information from
3740 * @ptr: pointer to the param signature
3741 * @rptr: pointer updated to match the end of the decoded stream
3743 * Parses the param signature, and returns the type information for it.
3745 * Returns: The MonoType that was extracted from @ptr.
3748 mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
3750 return mono_metadata_parse_type (m, MONO_PARSE_PARAM, 0, ptr, rptr);
3754 * mono_metadata_token_from_dor:
3755 * @dor_token: A TypeDefOrRef coded index
3757 * dor_token is a TypeDefOrRef coded index: it contains either
3758 * a TypeDef, TypeRef or TypeSpec in the lower bits, and the upper
3759 * bits contain an index into the table.
3761 * Returns: an expanded token
3764 mono_metadata_token_from_dor (guint32 dor_index)
3768 table = dor_index & 0x03;
3769 idx = dor_index >> 2;
3772 case 0: /* TypeDef */
3773 return MONO_TOKEN_TYPE_DEF | idx;
3774 case 1: /* TypeRef */
3775 return MONO_TOKEN_TYPE_REF | idx;
3776 case 2: /* TypeSpec */
3777 return MONO_TOKEN_TYPE_SPEC | idx;
3779 g_assert_not_reached ();
3786 * We use this to pass context information to the row locator
3789 int idx; /* The index that we are trying to locate */
3790 int col_idx; /* The index in the row where idx may be stored */
3791 MonoTableInfo *t; /* pointer to the table */
3796 * How the row locator works.
3801 * ___|___------> _______
3804 * A column in the rows of table A references an index in table B.
3805 * For example A may be the TYPEDEF table and B the METHODDEF table.
3807 * Given an index in table B we want to get the row in table A
3808 * where the column n references our index in B.
3810 * In the locator_t structure:
3812 * col_idx is the column number
3813 * index is the index in table B
3814 * result will be the index in table A
3817 * Table A Table B column (in table A)
3818 * TYPEDEF METHODDEF MONO_TYPEDEF_METHOD_LIST
3819 * TYPEDEF FIELD MONO_TYPEDEF_FIELD_LIST
3820 * PROPERTYMAP PROPERTY MONO_PROPERTY_MAP_PROPERTY_LIST
3821 * INTERFIMPL TYPEDEF MONO_INTERFACEIMPL_CLASS
3822 * METHODSEM PROPERTY ASSOCIATION (encoded index)
3824 * Note that we still don't support encoded indexes.
3828 typedef_locator (const void *a, const void *b)
3830 locator_t *loc = (locator_t *) a;
3831 const char *bb = (const char *) b;
3832 int typedef_index = (bb - loc->t->base) / loc->t->row_size;
3833 guint32 col, col_next;
3835 col = mono_metadata_decode_row_col (loc->t, typedef_index, loc->col_idx);
3841 * Need to check that the next row is valid.
3843 if (typedef_index + 1 < loc->t->rows) {
3844 col_next = mono_metadata_decode_row_col (loc->t, typedef_index + 1, loc->col_idx);
3845 if (loc->idx >= col_next)
3848 if (col == col_next)
3852 loc->result = typedef_index;
3858 table_locator (const void *a, const void *b)
3860 locator_t *loc = (locator_t *) a;
3861 const char *bb = (const char *) b;
3862 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3865 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3867 if (loc->idx == col) {
3868 loc->result = table_index;
3878 declsec_locator (const void *a, const void *b)
3880 locator_t *loc = (locator_t *) a;
3881 const char *bb = (const char *) b;
3882 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3885 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3887 if (loc->idx == col) {
3888 loc->result = table_index;
3900 * Return the 1-based row index in TABLE, which must be one of the *Ptr tables,
3901 * which contains IDX.
3904 search_ptr_table (MonoImage *image, int table, int idx)
3906 MonoTableInfo *ptrdef = &image->tables [table];
3909 /* Use a linear search to find our index in the table */
3910 for (i = 0; i < ptrdef->rows; i ++)
3911 /* All the Ptr tables have the same structure */
3912 if (mono_metadata_decode_row_col (ptrdef, i, 0) == idx)
3915 if (i < ptrdef->rows)
3922 * mono_metadata_typedef_from_field:
3923 * @meta: metadata context
3924 * @index: FieldDef token
3926 * Returns: the 1-based index into the TypeDef table of the type that
3927 * declared the field described by @index, or 0 if not found.
3930 mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
3932 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3938 loc.idx = mono_metadata_token_index (index);
3939 loc.col_idx = MONO_TYPEDEF_FIELD_LIST;
3942 if (meta->uncompressed_metadata)
3943 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
3945 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3948 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3949 return loc.result + 1;
3953 * mono_metadata_typedef_from_method:
3954 * @meta: metadata context
3955 * @index: MethodDef token
3957 * Returns: the 1-based index into the TypeDef table of the type that
3958 * declared the method described by @index. 0 if not found.
3961 mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
3963 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3969 loc.idx = mono_metadata_token_index (index);
3970 loc.col_idx = MONO_TYPEDEF_METHOD_LIST;
3973 if (meta->uncompressed_metadata)
3974 loc.idx = search_ptr_table (meta, MONO_TABLE_METHOD_POINTER, loc.idx);
3976 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3979 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3980 return loc.result + 1;
3984 * mono_metadata_interfaces_from_typedef_full:
3985 * @meta: metadata context
3986 * @index: typedef token
3987 * @interfaces: Out parameter used to store the interface array
3988 * @count: Out parameter used to store the number of interfaces
3989 * @heap_alloc_result: if TRUE the result array will be g_malloc'd
3990 * @context: The generic context
3992 * The array of interfaces that the @index typedef token implements is returned in
3993 * @interfaces. The number of elements in the array is returned in @count.
3996 * Returns: TRUE on success, FALSE on failure.
3999 mono_metadata_interfaces_from_typedef_full (MonoImage *meta, guint32 index, MonoClass ***interfaces, guint *count, gboolean heap_alloc_result, MonoGenericContext *context)
4001 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
4004 guint32 cols [MONO_INTERFACEIMPL_SIZE];
4013 loc.idx = mono_metadata_token_index (index);
4014 loc.col_idx = MONO_INTERFACEIMPL_CLASS;
4017 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4022 * We may end up in the middle of the rows...
4025 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_INTERFACEIMPL_CLASS))
4031 while (pos < tdef->rows) {
4032 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4033 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4038 if (heap_alloc_result)
4039 result = g_new0 (MonoClass*, pos - start);
4041 result = mono_image_alloc0 (meta, sizeof (MonoClass*) * (pos - start));
4044 while (pos < tdef->rows) {
4047 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4048 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4050 iface = mono_class_get_full (
4051 meta, mono_metadata_token_from_dor (cols [MONO_INTERFACEIMPL_INTERFACE]), context);
4054 result [pos - start] = iface;
4057 *count = pos - start;
4058 *interfaces = result;
4063 * @meta: metadata context
4064 * @index: typedef token
4065 * @count: Out parameter used to store the number of interfaces
4067 * The array of interfaces that the @index typedef token implements is returned in
4068 * @interfaces. The number of elements in the array is returned in @count. The returned
4069 * array is g_malloc'd and the caller must free it.
4071 * LOCKING: Acquires the loader lock .
4073 * Returns: the interface array on success, NULL on failure.
4077 mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
4079 MonoClass **interfaces;
4082 rv = mono_metadata_interfaces_from_typedef_full (meta, index, &interfaces, count, TRUE, NULL);
4090 * mono_metadata_nested_in_typedef:
4091 * @meta: metadata context
4092 * @index: typedef token
4094 * Returns: the 1-based index into the TypeDef table of the type
4095 * where the type described by @index is nested.
4096 * Returns 0 if @index describes a non-nested type.
4099 mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
4101 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4107 loc.idx = mono_metadata_token_index (index);
4108 loc.col_idx = MONO_NESTED_CLASS_NESTED;
4111 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4114 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4115 return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
4119 * mono_metadata_nesting_typedef:
4120 * @meta: metadata context
4121 * @index: typedef token
4123 * Returns: the 1-based index into the TypeDef table of the first type
4124 * that is nested inside the type described by @index. The search starts at
4125 * @start_index. returns 0 if no such type is found.
4128 mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
4130 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4132 guint32 class_index = mono_metadata_token_index (index);
4137 start = start_index;
4139 while (start <= tdef->rows) {
4140 if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
4146 if (start > tdef->rows)
4153 * mono_metadata_packing_from_typedef:
4154 * @meta: metadata context
4155 * @index: token representing a type
4157 * Returns: the info stored in the ClassLAyout table for the given typedef token
4158 * into the @packing and @size pointers.
4159 * Returns 0 if the info is not found.
4162 mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
4164 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
4166 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
4171 loc.idx = mono_metadata_token_index (index);
4172 loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
4175 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4178 mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
4180 *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
4182 *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
4184 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4185 return loc.result + 1;
4189 * mono_metadata_custom_attrs_from_index:
4190 * @meta: metadata context
4191 * @index: token representing the parent
4193 * Returns: the 1-based index into the CustomAttribute table of the first
4194 * attribute which belongs to the metadata object described by @index.
4195 * Returns 0 if no such attribute is found.
4198 mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
4200 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
4207 loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
4210 /* FIXME: Index translation */
4212 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4215 /* Find the first entry by searching backwards */
4216 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
4219 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4220 return loc.result + 1;
4224 * mono_metadata_declsec_from_index:
4225 * @meta: metadata context
4226 * @index: token representing the parent
4228 * Returns: the 0-based index into the DeclarativeSecurity table of the first
4229 * attribute which belongs to the metadata object described by @index.
4230 * Returns -1 if no such attribute is found.
4233 mono_metadata_declsec_from_index (MonoImage *meta, guint32 index)
4235 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_DECLSECURITY];
4242 loc.col_idx = MONO_DECL_SECURITY_PARENT;
4245 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, declsec_locator))
4248 /* Find the first entry by searching backwards */
4249 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_DECL_SECURITY_PARENT) == index))
4257 mono_backtrace (int limit)
4262 backtrace (array, limit);
4263 names = backtrace_symbols (array, limit);
4264 for (i =0; i < limit; ++i) {
4265 g_print ("\t%s\n", names [i]);
4271 static int i8_align;
4274 * mono_type_set_alignment:
4276 * Set the alignment used by runtime to layout fields etc. of type TYPE to ALIGN.
4277 * This should only be used in AOT mode since the resulting layout will not match the
4281 mono_type_set_alignment (MonoTypeEnum type, int align)
4283 /* Support only a few types whose alignment is abi dependent */
4289 g_assert_not_reached ();
4296 * @t: the type to return the size of
4298 * Returns: the number of bytes required to hold an instance of this
4302 mono_type_size (MonoType *t, int *align)
4309 *align = MONO_ABI_ALIGNOF (gpointer);
4310 return sizeof (gpointer);
4314 case MONO_TYPE_VOID:
4317 case MONO_TYPE_BOOLEAN:
4318 *align = MONO_ABI_ALIGNOF (gint8);
4322 *align = MONO_ABI_ALIGNOF (gint8);
4324 case MONO_TYPE_CHAR:
4327 *align = MONO_ABI_ALIGNOF (gint16);
4331 *align = MONO_ABI_ALIGNOF (gint32);
4334 *align = MONO_ABI_ALIGNOF (float);
4338 *align = MONO_ABI_ALIGNOF (gint64);
4341 *align = MONO_ABI_ALIGNOF (double);
4345 *align = MONO_ABI_ALIGNOF (gpointer);
4346 return sizeof (gpointer);
4347 case MONO_TYPE_STRING:
4348 *align = MONO_ABI_ALIGNOF (gpointer);
4349 return sizeof (gpointer);
4350 case MONO_TYPE_OBJECT:
4351 *align = MONO_ABI_ALIGNOF (gpointer);
4352 return sizeof (gpointer);
4353 case MONO_TYPE_VALUETYPE: {
4354 if (t->data.klass->enumtype)
4355 return mono_type_size (mono_class_enum_basetype (t->data.klass), align);
4357 return mono_class_value_size (t->data.klass, (guint32*)align);
4359 case MONO_TYPE_CLASS:
4360 case MONO_TYPE_SZARRAY:
4362 case MONO_TYPE_FNPTR:
4363 case MONO_TYPE_ARRAY:
4364 *align = MONO_ABI_ALIGNOF (gpointer);
4365 return sizeof (gpointer);
4366 case MONO_TYPE_TYPEDBYREF:
4367 return mono_class_value_size (mono_defaults.typed_reference_class, (guint32*)align);
4368 case MONO_TYPE_GENERICINST: {
4369 MonoGenericClass *gclass = t->data.generic_class;
4370 MonoClass *container_class = gclass->container_class;
4372 // g_assert (!gclass->inst->is_open);
4374 if (container_class->valuetype) {
4375 if (container_class->enumtype)
4376 return mono_type_size (mono_class_enum_basetype (container_class), align);
4378 return mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4380 *align = MONO_ABI_ALIGNOF (gpointer);
4381 return sizeof (gpointer);
4385 case MONO_TYPE_MVAR:
4386 /* FIXME: Martin, this is wrong. */
4387 *align = MONO_ABI_ALIGNOF (gpointer);
4388 return sizeof (gpointer);
4390 g_error ("mono_type_size: type 0x%02x unknown", t->type);
4396 * mono_type_stack_size:
4397 * @t: the type to return the size it uses on the stack
4399 * Returns: the number of bytes required to hold an instance of this
4400 * type on the runtime stack
4403 mono_type_stack_size (MonoType *t, int *align)
4405 return mono_type_stack_size_internal (t, align, FALSE);
4409 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open)
4412 #if SIZEOF_VOID_P == SIZEOF_REGISTER
4413 int stack_slot_size = sizeof (gpointer);
4414 int stack_slot_align = MONO_ABI_ALIGNOF (gpointer);
4415 #elif SIZEOF_VOID_P < SIZEOF_REGISTER
4416 int stack_slot_size = SIZEOF_REGISTER;
4417 int stack_slot_align = SIZEOF_REGISTER;
4420 g_assert (t != NULL);
4426 *align = stack_slot_align;
4427 return stack_slot_size;
4431 case MONO_TYPE_BOOLEAN:
4432 case MONO_TYPE_CHAR:
4441 case MONO_TYPE_STRING:
4442 case MONO_TYPE_OBJECT:
4443 case MONO_TYPE_CLASS:
4444 case MONO_TYPE_SZARRAY:
4446 case MONO_TYPE_FNPTR:
4447 case MONO_TYPE_ARRAY:
4448 *align = stack_slot_align;
4449 return stack_slot_size;
4451 case MONO_TYPE_MVAR:
4452 g_assert (allow_open);
4453 *align = stack_slot_align;
4454 return stack_slot_size;
4455 case MONO_TYPE_TYPEDBYREF:
4456 *align = stack_slot_align;
4457 return stack_slot_size * 3;
4459 *align = MONO_ABI_ALIGNOF (float);
4460 return sizeof (float);
4463 *align = MONO_ABI_ALIGNOF (gint64);
4464 return sizeof (gint64);
4466 *align = MONO_ABI_ALIGNOF (double);
4467 return sizeof (double);
4468 case MONO_TYPE_VALUETYPE: {
4471 if (t->data.klass->enumtype)
4472 return mono_type_stack_size_internal (mono_class_enum_basetype (t->data.klass), align, allow_open);
4474 size = mono_class_value_size (t->data.klass, (guint32*)align);
4476 *align = *align + stack_slot_align - 1;
4477 *align &= ~(stack_slot_align - 1);
4479 size += stack_slot_size - 1;
4480 size &= ~(stack_slot_size - 1);
4485 case MONO_TYPE_GENERICINST: {
4486 MonoGenericClass *gclass = t->data.generic_class;
4487 MonoClass *container_class = gclass->container_class;
4490 g_assert (!gclass->context.class_inst->is_open);
4492 if (container_class->valuetype) {
4493 if (container_class->enumtype)
4494 return mono_type_stack_size_internal (mono_class_enum_basetype (container_class), align, allow_open);
4496 guint32 size = mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4498 *align = *align + stack_slot_align - 1;
4499 *align &= ~(stack_slot_align - 1);
4501 size += stack_slot_size - 1;
4502 size &= ~(stack_slot_size - 1);
4507 *align = stack_slot_align;
4508 return stack_slot_size;
4512 g_error ("type 0x%02x unknown", t->type);
4518 mono_type_generic_inst_is_valuetype (MonoType *type)
4520 g_assert (type->type == MONO_TYPE_GENERICINST);
4521 return type->data.generic_class->container_class->valuetype;
4525 mono_metadata_generic_class_is_valuetype (MonoGenericClass *gclass)
4527 return gclass->container_class->valuetype;
4531 _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2, gboolean signature_only)
4533 MonoGenericInst *i1 = g1->context.class_inst;
4534 MonoGenericInst *i2 = g2->context.class_inst;
4536 if (g1->is_dynamic != g2->is_dynamic)
4538 if (!mono_metadata_class_equal (g1->container_class, g2->container_class, signature_only))
4540 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
4542 return g1->is_tb_open == g2->is_tb_open;
4546 _mono_metadata_generic_class_container_equal (const MonoGenericClass *g1, MonoClass *c2, gboolean signature_only)
4548 MonoGenericInst *i1 = g1->context.class_inst;
4549 MonoGenericInst *i2 = c2->generic_container->context.class_inst;
4551 if (!mono_metadata_class_equal (g1->container_class, c2, signature_only))
4553 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
4555 return !g1->is_tb_open;
4559 mono_metadata_generic_context_hash (const MonoGenericContext *context)
4561 /* FIXME: check if this seed is good enough */
4562 guint hash = 0xc01dfee7;
4563 if (context->class_inst)
4564 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->class_inst);
4565 if (context->method_inst)
4566 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->method_inst);
4571 mono_metadata_generic_context_equal (const MonoGenericContext *g1, const MonoGenericContext *g2)
4573 return g1->class_inst == g2->class_inst && g1->method_inst == g2->method_inst;
4577 * mono_metadata_str_hash:
4579 * This should be used instead of g_str_hash for computing hash codes visible
4580 * outside this module, since g_str_hash () is not guaranteed to be stable
4581 * (its not the same in eglib for example).
4584 mono_metadata_str_hash (gconstpointer v1)
4586 /* Same as g_str_hash () in glib */
4587 char *p = (char *) v1;
4592 hash = (hash << 5) - hash + *p;
4599 * mono_metadata_type_hash:
4602 * Computes an hash value for @t1 to be used in GHashTable.
4603 * The returned hash is guaranteed to be the same across executions.
4606 mono_metadata_type_hash (MonoType *t1)
4608 guint hash = t1->type;
4610 hash |= t1->byref << 6; /* do not collide with t1->type values */
4612 case MONO_TYPE_VALUETYPE:
4613 case MONO_TYPE_CLASS:
4614 case MONO_TYPE_SZARRAY: {
4615 MonoClass *class = t1->data.klass;
4617 * Dynamic classes must not be hashed on their type since it can change
4618 * during runtime. For example, if we hash a reference type that is
4619 * later made into a valuetype.
4621 * This is specially problematic with generic instances since they are
4622 * inserted in a bunch of hash tables before been finished.
4624 if (image_is_dynamic (class->image))
4625 return (t1->byref << 6) | mono_metadata_str_hash (class->name);
4626 return ((hash << 5) - hash) ^ mono_metadata_str_hash (class->name);
4629 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
4630 case MONO_TYPE_ARRAY:
4631 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
4632 case MONO_TYPE_GENERICINST:
4633 return ((hash << 5) - hash) ^ mono_generic_class_hash (t1->data.generic_class);
4635 case MONO_TYPE_MVAR:
4636 return ((hash << 5) - hash) ^ mono_metadata_generic_param_hash (t1->data.generic_param);
4642 mono_metadata_generic_param_hash (MonoGenericParam *p)
4645 MonoGenericParamInfo *info;
4647 hash = (mono_generic_param_num (p) << 2) | p->serial;
4648 info = mono_generic_param_info (p);
4649 /* Can't hash on the owner klass/method, since those might not be set when this is called */
4651 hash = ((hash << 5) - hash) ^ info->token;
4656 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2, gboolean signature_only)
4660 if (mono_generic_param_num (p1) != mono_generic_param_num (p2))
4662 if (p1->serial != p2->serial)
4666 * We have to compare the image as well because if we didn't,
4667 * the generic_inst_cache lookup wouldn't care about the image
4668 * of generic params, so what could happen is that a generic
4669 * inst with params from image A is put into the cache, then
4670 * image B gets that generic inst from the cache, image A is
4671 * unloaded, so the inst is deleted, but image B still retains
4674 * The AOT runtime doesn't set the image when it's decoding
4675 * types, so we only compare it when the owner is NULL.
4677 if (mono_generic_param_owner (p1) == mono_generic_param_owner (p2) &&
4678 (mono_generic_param_owner (p1) || p1->image == p2->image))
4682 * If `signature_only' is true, we're comparing two (method) signatures.
4683 * In this case, the owner of two type parameters doesn't need to match.
4686 return signature_only;
4690 mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only)
4694 if (c1->generic_class && c2->generic_class)
4695 return _mono_metadata_generic_class_equal (c1->generic_class, c2->generic_class, signature_only);
4696 if (c1->generic_class && c2->generic_container)
4697 return _mono_metadata_generic_class_container_equal (c1->generic_class, c2, signature_only);
4698 if (c1->generic_container && c2->generic_class)
4699 return _mono_metadata_generic_class_container_equal (c2->generic_class, c1, signature_only);
4700 if ((c1->byval_arg.type == MONO_TYPE_VAR) && (c2->byval_arg.type == MONO_TYPE_VAR))
4701 return mono_metadata_generic_param_equal (
4702 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4703 if ((c1->byval_arg.type == MONO_TYPE_MVAR) && (c2->byval_arg.type == MONO_TYPE_MVAR))
4704 return mono_metadata_generic_param_equal (
4705 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4706 if (signature_only &&
4707 (c1->byval_arg.type == MONO_TYPE_SZARRAY) && (c2->byval_arg.type == MONO_TYPE_SZARRAY))
4708 return mono_metadata_class_equal (c1->byval_arg.data.klass, c2->byval_arg.data.klass, signature_only);
4709 if (signature_only &&
4710 (c1->byval_arg.type == MONO_TYPE_ARRAY) && (c2->byval_arg.type == MONO_TYPE_ARRAY))
4711 return do_mono_metadata_type_equal (&c1->byval_arg, &c2->byval_arg, signature_only);
4716 mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only)
4718 gpointer iter1 = 0, iter2 = 0;
4722 if (s1->call_convention != s2->call_convention)
4724 if (s1->sentinelpos != s2->sentinelpos)
4726 if (s1->hasthis != s2->hasthis)
4728 if (s1->explicit_this != s2->explicit_this)
4730 if (! do_mono_metadata_type_equal (s1->ret, s2->ret, signature_only))
4732 if (s1->param_count != s2->param_count)
4736 MonoType *t1 = mono_signature_get_params (s1, &iter1);
4737 MonoType *t2 = mono_signature_get_params (s2, &iter2);
4739 if (t1 == NULL || t2 == NULL)
4741 if (! do_mono_metadata_type_equal (t1, t2, signature_only))
4747 * mono_metadata_type_equal:
4751 * Determine if @t1 and @t2 represent the same type.
4752 * Returns: #TRUE if @t1 and @t2 are equal.
4755 do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only)
4757 if (t1->type != t2->type || t1->byref != t2->byref)
4761 case MONO_TYPE_VOID:
4762 case MONO_TYPE_BOOLEAN:
4763 case MONO_TYPE_CHAR:
4774 case MONO_TYPE_STRING:
4777 case MONO_TYPE_OBJECT:
4778 case MONO_TYPE_TYPEDBYREF:
4780 case MONO_TYPE_VALUETYPE:
4781 case MONO_TYPE_CLASS:
4782 case MONO_TYPE_SZARRAY:
4783 return mono_metadata_class_equal (t1->data.klass, t2->data.klass, signature_only);
4785 return do_mono_metadata_type_equal (t1->data.type, t2->data.type, signature_only);
4786 case MONO_TYPE_ARRAY:
4787 if (t1->data.array->rank != t2->data.array->rank)
4789 return mono_metadata_class_equal (t1->data.array->eklass, t2->data.array->eklass, signature_only);
4790 case MONO_TYPE_GENERICINST:
4791 return _mono_metadata_generic_class_equal (
4792 t1->data.generic_class, t2->data.generic_class, signature_only);
4794 return mono_metadata_generic_param_equal (
4795 t1->data.generic_param, t2->data.generic_param, signature_only);
4796 case MONO_TYPE_MVAR:
4797 return mono_metadata_generic_param_equal (
4798 t1->data.generic_param, t2->data.generic_param, signature_only);
4799 case MONO_TYPE_FNPTR:
4800 return mono_metadata_fnptr_equal (t1->data.method, t2->data.method, signature_only);
4802 g_error ("implement type compare for %0x!", t1->type);
4810 mono_metadata_type_equal (MonoType *t1, MonoType *t2)
4812 return do_mono_metadata_type_equal (t1, t2, FALSE);
4816 * mono_metadata_type_equal_full:
4819 * @signature_only: if signature only comparison should be made
4821 * Determine if @t1 and @t2 are signature compatible if @signature_only is #TRUE, otherwise
4822 * behaves the same way as mono_metadata_type_equal.
4823 * The function mono_metadata_type_equal(a, b) is just a shortcut for mono_metadata_type_equal_full(a, b, FALSE).
4824 * Returns: #TRUE if @t1 and @t2 are equal taking @signature_only into account.
4827 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only)
4829 return do_mono_metadata_type_equal (t1, t2, signature_only);
4833 * mono_metadata_signature_equal:
4834 * @sig1: a signature
4835 * @sig2: another signature
4837 * Determine if @sig1 and @sig2 represent the same signature, with the
4838 * same number of arguments and the same types.
4839 * Returns: #TRUE if @sig1 and @sig2 are equal.
4842 mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4846 if (sig1->hasthis != sig2->hasthis || sig1->param_count != sig2->param_count)
4849 if (sig1->generic_param_count != sig2->generic_param_count)
4853 * We're just comparing the signatures of two methods here:
4855 * If we have two generic methods `void Foo<U> (U u)' and `void Bar<V> (V v)',
4856 * U and V are equal here.
4858 * That's what the `signature_only' argument of do_mono_metadata_type_equal() is for.
4861 for (i = 0; i < sig1->param_count; i++) {
4862 MonoType *p1 = sig1->params[i];
4863 MonoType *p2 = sig2->params[i];
4865 /* if (p1->attrs != p2->attrs)
4868 if (!do_mono_metadata_type_equal (p1, p2, TRUE))
4872 if (!do_mono_metadata_type_equal (sig1->ret, sig2->ret, TRUE))
4878 * mono_metadata_type_dup:
4879 * @image: image to alloc memory from
4880 * @original: type to duplicate
4882 * Returns: copy of type allocated from the image's mempool (or from the heap, if @image is null).
4885 mono_metadata_type_dup (MonoImage *image, const MonoType *o)
4888 int sizeof_o = MONO_SIZEOF_TYPE;
4890 sizeof_o += o->num_mods * sizeof (MonoCustomMod);
4892 r = image ? mono_image_alloc0 (image, sizeof_o) : g_malloc (sizeof_o);
4894 memcpy (r, o, sizeof_o);
4896 if (o->type == MONO_TYPE_PTR) {
4897 r->data.type = mono_metadata_type_dup (image, o->data.type);
4898 } else if (o->type == MONO_TYPE_ARRAY) {
4899 r->data.array = mono_dup_array_type (image, o->data.array);
4900 } else if (o->type == MONO_TYPE_FNPTR) {
4901 /*FIXME the dup'ed signature is leaked mono_metadata_free_type*/
4902 r->data.method = mono_metadata_signature_deep_dup (image, o->data.method);
4908 mono_signature_hash (MonoMethodSignature *sig)
4910 guint i, res = sig->ret->type;
4912 for (i = 0; i < sig->param_count; i++)
4913 res = (res << 5) - res + mono_type_hash (sig->params[i]);
4919 * mono_metadata_encode_value:
4920 * @value: value to encode
4921 * @buf: buffer where to write the compressed representation
4922 * @endbuf: pointer updated to point at the end of the encoded output
4924 * Encodes the value @value in the compressed representation used
4925 * in metadata and stores the result in @buf. @buf needs to be big
4926 * enough to hold the data (4 bytes).
4929 mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
4935 else if (value < 0x4000) {
4936 p [0] = 0x80 | (value >> 8);
4937 p [1] = value & 0xff;
4940 p [0] = (value >> 24) | 0xc0;
4941 p [1] = (value >> 16) & 0xff;
4942 p [2] = (value >> 8) & 0xff;
4943 p [3] = value & 0xff;
4951 * mono_metadata_field_info:
4952 * @meta: the Image the field is defined in
4953 * @index: the index in the field table representing the field
4954 * @offset: a pointer to an integer where to store the offset that
4955 * may have been specified for the field in a FieldLayout table
4956 * @rva: a pointer to the RVA of the field data in the image that
4957 * may have been defined in a FieldRVA table
4958 * @marshal_spec: a pointer to the marshal spec that may have been
4959 * defined for the field in a FieldMarshal table.
4961 * Gather info for field @index that may have been defined in the FieldLayout,
4962 * FieldRVA and FieldMarshal tables.
4963 * Either of offset, rva and marshal_spec can be NULL if you're not interested
4967 mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4968 MonoMarshalSpec **marshal_spec)
4970 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, FALSE);
4974 mono_metadata_field_info_with_mempool (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4975 MonoMarshalSpec **marshal_spec)
4977 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, TRUE);
4981 mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4982 MonoMarshalSpec **marshal_spec, gboolean alloc_from_image)
4984 MonoTableInfo *tdef;
4987 loc.idx = index + 1;
4988 if (meta->uncompressed_metadata)
4989 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
4992 tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
4994 loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
4997 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
4998 *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
5000 *offset = (guint32)-1;
5004 tdef = &meta->tables [MONO_TABLE_FIELDRVA];
5006 loc.col_idx = MONO_FIELD_RVA_FIELD;
5009 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5011 * LAMESPEC: There is no signature, no nothing, just the raw data.
5013 *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
5021 if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
5022 *marshal_spec = mono_metadata_parse_marshal_spec_full (alloc_from_image ? meta : NULL, meta, p);
5029 * mono_metadata_get_constant_index:
5030 * @meta: the Image the field is defined in
5031 * @index: the token that may have a row defined in the constants table
5032 * @hint: possible position for the row
5034 * @token must be a FieldDef, ParamDef or PropertyDef token.
5036 * Returns: the index into the Constants table or 0 if not found.
5039 mono_metadata_get_constant_index (MonoImage *meta, guint32 token, guint32 hint)
5041 MonoTableInfo *tdef;
5043 guint32 index = mono_metadata_token_index (token);
5045 tdef = &meta->tables [MONO_TABLE_CONSTANT];
5046 index <<= MONO_HASCONSTANT_BITS;
5047 switch (mono_metadata_token_table (token)) {
5048 case MONO_TABLE_FIELD:
5049 index |= MONO_HASCONSTANT_FIEDDEF;
5051 case MONO_TABLE_PARAM:
5052 index |= MONO_HASCONSTANT_PARAM;
5054 case MONO_TABLE_PROPERTY:
5055 index |= MONO_HASCONSTANT_PROPERTY;
5058 g_warning ("Not a valid token for the constant table: 0x%08x", token);
5062 loc.col_idx = MONO_CONSTANT_PARENT;
5065 /* FIXME: Index translation */
5067 if ((hint > 0) && (hint < tdef->rows) && (mono_metadata_decode_row_col (tdef, hint - 1, MONO_CONSTANT_PARENT) == index))
5070 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5071 return loc.result + 1;
5077 * mono_metadata_events_from_typedef:
5078 * @meta: metadata context
5079 * @index: 0-based index (in the TypeDef table) describing a type
5081 * Returns: the 0-based index in the Event table for the events in the
5082 * type. The last event that belongs to the type (plus 1) is stored
5083 * in the @end_idx pointer.
5086 mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5090 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
5098 loc.col_idx = MONO_EVENT_MAP_PARENT;
5099 loc.idx = index + 1;
5101 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5104 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
5105 if (loc.result + 1 < tdef->rows) {
5106 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
5108 end = meta->tables [MONO_TABLE_EVENT].rows;
5116 * mono_metadata_methods_from_event:
5117 * @meta: metadata context
5118 * @index: 0-based index (in the Event table) describing a event
5120 * Returns: the 0-based index in the MethodDef table for the methods in the
5121 * event. The last method that belongs to the event (plus 1) is stored
5122 * in the @end_idx pointer.
5125 mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
5129 guint32 cols [MONO_METHOD_SEMA_SIZE];
5130 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5136 if (meta->uncompressed_metadata)
5137 index = search_ptr_table (meta, MONO_TABLE_EVENT_POINTER, index + 1) - 1;
5140 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5141 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_EVENT; /* Method association coded index */
5143 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5148 * We may end up in the middle of the rows...
5151 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5157 while (end < msemt->rows) {
5158 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5159 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5168 * mono_metadata_properties_from_typedef:
5169 * @meta: metadata context
5170 * @index: 0-based index (in the TypeDef table) describing a type
5172 * Returns: the 0-based index in the Property table for the properties in the
5173 * type. The last property that belongs to the type (plus 1) is stored
5174 * in the @end_idx pointer.
5177 mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5181 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
5189 loc.col_idx = MONO_PROPERTY_MAP_PARENT;
5190 loc.idx = index + 1;
5192 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5195 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
5196 if (loc.result + 1 < tdef->rows) {
5197 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
5199 end = meta->tables [MONO_TABLE_PROPERTY].rows;
5207 * mono_metadata_methods_from_property:
5208 * @meta: metadata context
5209 * @index: 0-based index (in the PropertyDef table) describing a property
5211 * Returns: the 0-based index in the MethodDef table for the methods in the
5212 * property. The last method that belongs to the property (plus 1) is stored
5213 * in the @end_idx pointer.
5216 mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
5220 guint32 cols [MONO_METHOD_SEMA_SIZE];
5221 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5227 if (meta->uncompressed_metadata)
5228 index = search_ptr_table (meta, MONO_TABLE_PROPERTY_POINTER, index + 1) - 1;
5231 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5232 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_PROPERTY; /* Method association coded index */
5234 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5239 * We may end up in the middle of the rows...
5242 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5248 while (end < msemt->rows) {
5249 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5250 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5259 mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
5262 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
5267 /* No index translation seems to be needed */
5270 loc.col_idx = MONO_IMPLMAP_MEMBER;
5271 loc.idx = ((method_idx + 1) << MONO_MEMBERFORWD_BITS) | MONO_MEMBERFORWD_METHODDEF;
5273 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5276 return loc.result + 1;
5280 * @image: context where the image is created
5281 * @type_spec: typespec token
5283 * Creates a MonoType representing the TypeSpec indexed by the @type_spec
5287 mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
5289 guint32 idx = mono_metadata_token_index (type_spec);
5291 guint32 cols [MONO_TYPESPEC_SIZE];
5294 MonoType *type, *type2;
5296 mono_loader_lock ();
5298 type = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5300 mono_loader_unlock ();
5304 t = &image->tables [MONO_TABLE_TYPESPEC];
5306 mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
5307 ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
5309 if (!mono_verifier_verify_typespec_signature (image, cols [MONO_TYPESPEC_SIGNATURE], type_spec, NULL)) {
5310 mono_loader_unlock ();
5314 len = mono_metadata_decode_value (ptr, &ptr);
5316 type = mono_metadata_parse_type_internal (image, NULL, MONO_PARSE_TYPE, 0, TRUE, ptr, &ptr);
5318 mono_loader_unlock ();
5322 type2 = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5325 mono_loader_unlock ();
5329 type2 = mono_metadata_type_dup (image, type);
5330 g_hash_table_insert (image->typespec_cache, GUINT_TO_POINTER (type_spec), type2);
5331 mono_metadata_free_type (type);
5333 mono_loader_unlock ();
5340 mono_image_strndup (MonoImage *image, const char *data, guint len)
5344 return g_strndup (data, len);
5345 res = mono_image_alloc (image, len + 1);
5346 memcpy (res, data, len);
5352 mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
5354 return mono_metadata_parse_marshal_spec_full (NULL, image, ptr);
5358 * If IMAGE is non-null, memory will be allocated from its mempool, otherwise it will be allocated using malloc.
5359 * PARENT_IMAGE is the image containing the marshal spec.
5362 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr)
5364 MonoMarshalSpec *res;
5366 const char *start = ptr;
5368 /* fixme: this is incomplete, but I cant find more infos in the specs */
5371 res = mono_image_alloc0 (image, sizeof (MonoMarshalSpec));
5373 res = g_new0 (MonoMarshalSpec, 1);
5375 len = mono_metadata_decode_value (ptr, &ptr);
5376 res->native = *ptr++;
5378 if (res->native == MONO_NATIVE_LPARRAY) {
5379 res->data.array_data.param_num = -1;
5380 res->data.array_data.num_elem = -1;
5381 res->data.array_data.elem_mult = -1;
5383 if (ptr - start <= len)
5384 res->data.array_data.elem_type = *ptr++;
5385 if (ptr - start <= len)
5386 res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
5387 if (ptr - start <= len)
5388 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5389 if (ptr - start <= len) {
5391 * LAMESPEC: Older spec versions say this parameter comes before
5392 * num_elem. Never spec versions don't talk about elem_mult at
5393 * all, but csc still emits it, and it is used to distinguish
5394 * between param_num being 0, and param_num being omitted.
5395 * So if (param_num == 0) && (num_elem > 0), then
5396 * elem_mult == 0 -> the array size is num_elem
5397 * elem_mult == 1 -> the array size is @param_num + num_elem
5399 res->data.array_data.elem_mult = mono_metadata_decode_value (ptr, &ptr);
5403 if (res->native == MONO_NATIVE_BYVALTSTR) {
5404 if (ptr - start <= len)
5405 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5408 if (res->native == MONO_NATIVE_BYVALARRAY) {
5409 if (ptr - start <= len)
5410 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5413 if (res->native == MONO_NATIVE_CUSTOM) {
5414 /* skip unused type guid */
5415 len = mono_metadata_decode_value (ptr, &ptr);
5417 /* skip unused native type name */
5418 len = mono_metadata_decode_value (ptr, &ptr);
5420 /* read custom marshaler type name */
5421 len = mono_metadata_decode_value (ptr, &ptr);
5422 res->data.custom_data.custom_name = mono_image_strndup (image, ptr, len);
5424 /* read cookie string */
5425 len = mono_metadata_decode_value (ptr, &ptr);
5426 res->data.custom_data.cookie = mono_image_strndup (image, ptr, len);
5427 res->data.custom_data.image = parent_image;
5430 if (res->native == MONO_NATIVE_SAFEARRAY) {
5431 res->data.safearray_data.elem_type = 0;
5432 res->data.safearray_data.num_elem = 0;
5433 if (ptr - start <= len)
5434 res->data.safearray_data.elem_type = *ptr++;
5435 if (ptr - start <= len)
5436 res->data.safearray_data.num_elem = *ptr++;
5442 mono_metadata_free_marshal_spec (MonoMarshalSpec *spec)
5444 if (spec->native == MONO_NATIVE_CUSTOM) {
5445 g_free (spec->data.custom_data.custom_name);
5446 g_free (spec->data.custom_data.cookie);
5452 * mono_type_to_unmanaged:
5454 * Returns: A MonoMarshalNative enumeration value (MONO_NATIVE_) value
5455 * describing the underlying native reprensetation of the type.
5457 * In addition the value pointed by
5458 * "conv" will contain the kind of marshalling required for this
5459 * particular type one of the MONO_MARSHAL_CONV_ enumeration values.
5462 mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
5463 gboolean unicode, MonoMarshalConv *conv)
5465 MonoMarshalConv dummy_conv;
5471 *conv = MONO_MARSHAL_CONV_NONE;
5474 return MONO_NATIVE_UINT;
5478 case MONO_TYPE_BOOLEAN:
5480 switch (mspec->native) {
5481 case MONO_NATIVE_VARIANTBOOL:
5482 *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
5483 return MONO_NATIVE_VARIANTBOOL;
5484 case MONO_NATIVE_BOOLEAN:
5485 *conv = MONO_MARSHAL_CONV_BOOL_I4;
5486 return MONO_NATIVE_BOOLEAN;
5487 case MONO_NATIVE_I1:
5488 case MONO_NATIVE_U1:
5489 return mspec->native;
5491 g_error ("cant marshal bool to native type %02x", mspec->native);
5494 *conv = MONO_MARSHAL_CONV_BOOL_I4;
5495 return MONO_NATIVE_BOOLEAN;
5496 case MONO_TYPE_CHAR:
5498 switch (mspec->native) {
5499 case MONO_NATIVE_U2:
5500 case MONO_NATIVE_U1:
5501 return mspec->native;
5503 g_error ("cant marshal char to native type %02x", mspec->native);
5506 return unicode ? MONO_NATIVE_U2 : MONO_NATIVE_U1;
5507 case MONO_TYPE_I1: return MONO_NATIVE_I1;
5508 case MONO_TYPE_U1: return MONO_NATIVE_U1;
5509 case MONO_TYPE_I2: return MONO_NATIVE_I2;
5510 case MONO_TYPE_U2: return MONO_NATIVE_U2;
5511 case MONO_TYPE_I4: return MONO_NATIVE_I4;
5512 case MONO_TYPE_U4: return MONO_NATIVE_U4;
5513 case MONO_TYPE_I8: return MONO_NATIVE_I8;
5514 case MONO_TYPE_U8: return MONO_NATIVE_U8;
5515 case MONO_TYPE_R4: return MONO_NATIVE_R4;
5516 case MONO_TYPE_R8: return MONO_NATIVE_R8;
5517 case MONO_TYPE_STRING:
5519 switch (mspec->native) {
5520 case MONO_NATIVE_BSTR:
5521 *conv = MONO_MARSHAL_CONV_STR_BSTR;
5522 return MONO_NATIVE_BSTR;
5523 case MONO_NATIVE_LPSTR:
5524 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
5525 return MONO_NATIVE_LPSTR;
5526 case MONO_NATIVE_LPWSTR:
5527 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
5528 return MONO_NATIVE_LPWSTR;
5529 case MONO_NATIVE_LPTSTR:
5530 *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
5531 return MONO_NATIVE_LPTSTR;
5532 case MONO_NATIVE_ANSIBSTR:
5533 *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
5534 return MONO_NATIVE_ANSIBSTR;
5535 case MONO_NATIVE_TBSTR:
5536 *conv = MONO_MARSHAL_CONV_STR_TBSTR;
5537 return MONO_NATIVE_TBSTR;
5538 case MONO_NATIVE_BYVALTSTR:
5540 *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
5542 *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
5543 return MONO_NATIVE_BYVALTSTR;
5545 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);
5549 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
5550 return MONO_NATIVE_LPWSTR;
5553 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
5554 return MONO_NATIVE_LPSTR;
5556 case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
5557 case MONO_TYPE_VALUETYPE: /*FIXME*/
5558 if (type->data.klass->enumtype) {
5559 t = mono_class_enum_basetype (type->data.klass)->type;
5562 if (type->data.klass == mono_defaults.handleref_class){
5563 *conv = MONO_MARSHAL_CONV_HANDLEREF;
5564 return MONO_NATIVE_INT;
5566 return MONO_NATIVE_STRUCT;
5567 case MONO_TYPE_SZARRAY:
5568 case MONO_TYPE_ARRAY:
5570 switch (mspec->native) {
5571 case MONO_NATIVE_BYVALARRAY:
5572 if ((type->data.klass->element_class == mono_defaults.char_class) && !unicode)
5573 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY;
5575 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
5576 return MONO_NATIVE_BYVALARRAY;
5577 case MONO_NATIVE_SAFEARRAY:
5578 *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
5579 return MONO_NATIVE_SAFEARRAY;
5580 case MONO_NATIVE_LPARRAY:
5581 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
5582 return MONO_NATIVE_LPARRAY;
5584 g_error ("cant marshal array as native type %02x", mspec->native);
5588 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
5589 return MONO_NATIVE_LPARRAY;
5590 case MONO_TYPE_I: return MONO_NATIVE_INT;
5591 case MONO_TYPE_U: return MONO_NATIVE_UINT;
5592 case MONO_TYPE_CLASS:
5593 case MONO_TYPE_OBJECT: {
5594 /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
5596 switch (mspec->native) {
5597 case MONO_NATIVE_STRUCT:
5598 return MONO_NATIVE_STRUCT;
5599 case MONO_NATIVE_CUSTOM:
5600 return MONO_NATIVE_CUSTOM;
5601 case MONO_NATIVE_INTERFACE:
5602 *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
5603 return MONO_NATIVE_INTERFACE;
5604 case MONO_NATIVE_IDISPATCH:
5605 *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
5606 return MONO_NATIVE_IDISPATCH;
5607 case MONO_NATIVE_IUNKNOWN:
5608 *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
5609 return MONO_NATIVE_IUNKNOWN;
5610 case MONO_NATIVE_FUNC:
5611 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
5612 type->data.klass == mono_defaults.delegate_class ||
5613 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
5614 *conv = MONO_MARSHAL_CONV_DEL_FTN;
5615 return MONO_NATIVE_FUNC;
5619 g_error ("cant marshal object as native type %02x", mspec->native);
5622 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
5623 type->data.klass == mono_defaults.delegate_class ||
5624 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
5625 *conv = MONO_MARSHAL_CONV_DEL_FTN;
5626 return MONO_NATIVE_FUNC;
5628 if (mono_defaults.safehandle_class && type->data.klass == mono_defaults.safehandle_class){
5629 *conv = MONO_MARSHAL_CONV_SAFEHANDLE;
5630 return MONO_NATIVE_INT;
5632 *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
5633 return MONO_NATIVE_STRUCT;
5635 case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
5636 case MONO_TYPE_GENERICINST:
5637 type = &type->data.generic_class->container_class->byval_arg;
5640 case MONO_TYPE_TYPEDBYREF:
5642 g_error ("type 0x%02x not handled in marshal", t);
5644 return MONO_NATIVE_MAX;
5648 mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
5651 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
5657 loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
5658 loc.idx = ((idx + 1) << MONO_HAS_FIELD_MARSHAL_BITS) | (is_field? MONO_HAS_FIELD_MARSHAL_FIELDSREF: MONO_HAS_FIELD_MARSHAL_PARAMDEF);
5660 /* FIXME: Index translation */
5662 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5665 return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
5669 method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context)
5671 guint32 idx = tok >> MONO_METHODDEFORREF_BITS;
5673 switch (tok & MONO_METHODDEFORREF_MASK) {
5674 case MONO_METHODDEFORREF_METHODDEF:
5675 return mono_get_method_full (m, MONO_TOKEN_METHOD_DEF | idx, NULL, context);
5676 case MONO_METHODDEFORREF_METHODREF:
5677 return mono_get_method_full (m, MONO_TOKEN_MEMBER_REF | idx, NULL, context);
5679 g_assert_not_reached ();
5684 * mono_class_get_overrides_full:
5686 * Return the method overrides belonging to class @type_token in @overrides, and
5687 * the number of overrides in @num_overrides.
5689 * Returns: TRUE on success, FALSE on failure.
5692 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
5693 MonoGenericContext *generic_context)
5697 MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
5700 guint32 cols [MONO_METHODIMPL_SIZE];
5701 MonoMethod **result;
5712 loc.col_idx = MONO_METHODIMPL_CLASS;
5713 loc.idx = mono_metadata_token_index (type_token);
5715 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5721 * We may end up in the middle of the rows...
5724 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
5729 while (end < tdef->rows) {
5730 if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
5736 result = g_new (MonoMethod*, num * 2);
5737 for (i = 0; i < num; ++i) {
5740 if (!mono_verifier_verify_methodimpl_row (image, start + i, &error)) {
5741 mono_error_cleanup (&error);
5746 mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
5747 method = method_from_method_def_or_ref (
5748 image, cols [MONO_METHODIMPL_DECLARATION], generic_context);
5751 result [i * 2] = method;
5752 method = method_from_method_def_or_ref (
5753 image, cols [MONO_METHODIMPL_BODY], generic_context);
5756 result [i * 2 + 1] = method;
5759 *overrides = result;
5761 *num_overrides = num;
5766 * mono_guid_to_string:
5768 * Converts a 16 byte Microsoft GUID to the standard string representation.
5771 mono_guid_to_string (const guint8 *guid)
5773 return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
5774 guid[3], guid[2], guid[1], guid[0],
5778 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
5782 get_constraints (MonoImage *image, int owner, MonoClass ***constraints, MonoGenericContainer *container)
5784 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
5785 guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
5786 guint32 i, token, found;
5787 MonoClass *klass, **res;
5788 GSList *cons = NULL, *tmp;
5789 MonoGenericContext *context = &container->context;
5791 *constraints = NULL;
5793 for (i = 0; i < tdef->rows; ++i) {
5794 mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
5795 if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
5796 token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
5797 klass = mono_class_get_full (image, token, context);
5799 g_slist_free (cons);
5802 cons = g_slist_append (cons, klass);
5805 /* contiguous list finished */
5812 res = mono_image_alloc0 (image, sizeof (MonoClass*) * (found + 1));
5813 for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
5814 res [i] = tmp->data;
5816 g_slist_free (cons);
5822 * mono_metadata_get_generic_param_row:
5825 * @token: TypeOrMethodDef token, owner for GenericParam
5826 * @owner: coded token, set on return
5828 * Returns: 1-based row-id in the GenericParam table whose
5829 * owner is @token. 0 if not found.
5832 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner)
5834 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5841 if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
5842 *owner = MONO_TYPEORMETHOD_TYPE;
5843 else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5844 *owner = MONO_TYPEORMETHOD_METHOD;
5846 g_error ("wrong token %x to get_generic_param_row", token);
5849 *owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
5852 loc.col_idx = MONO_GENERICPARAM_OWNER;
5855 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5858 /* Find the first entry by searching backwards */
5859 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_GENERICPARAM_OWNER) == loc.idx))
5862 return loc.result + 1;
5866 mono_metadata_has_generic_params (MonoImage *image, guint32 token)
5869 return mono_metadata_get_generic_param_row (image, token, &owner);
5873 * Memory is allocated from IMAGE's mempool.
5876 mono_metadata_load_generic_param_constraints_full (MonoImage *image, guint32 token,
5877 MonoGenericContainer *container)
5880 guint32 start_row, i, owner;
5881 if (! (start_row = mono_metadata_get_generic_param_row (image, token, &owner)))
5883 for (i = 0; i < container->type_argc; i++) {
5884 if (!get_constraints (image, start_row + i, &mono_generic_container_get_param_info (container, i)->constraints, container))
5891 * mono_metadata_load_generic_param_constraints:
5893 * @image: metadata context
5894 * @token: metadata token to load the contraints, can be methodef or typedef.
5895 * @container: generic container to load into.
5897 * Load the generic parameter constraints for the newly created generic type or method
5898 * represented by @token and @container. The @container is the new container which has
5899 * been returned by a call to mono_metadata_load_generic_params() with this @token.
5900 * Memory is allocated from IMAGE's mempool.
5903 mono_metadata_load_generic_param_constraints (MonoImage *image, guint32 token,
5904 MonoGenericContainer *container)
5906 mono_metadata_load_generic_param_constraints_full (image, token, container);
5907 /*FIXME this function can potentially exit with a pending loader error and cause all sort of havok */
5911 * mono_metadata_load_generic_params:
5913 * Load the type parameters from the type or method definition @token.
5915 * Use this method after parsing a type or method definition to figure out whether it's a generic
5916 * type / method. When parsing a method definition, @parent_container points to the generic container
5917 * of the current class, if any.
5919 * Note: This method does not load the constraints: for typedefs, this has to be done after fully
5920 * creating the type.
5922 * Returns: NULL if @token is not a generic type or method definition or the new generic container.
5924 * LOCKING: Acquires the loader lock
5927 MonoGenericContainer *
5928 mono_metadata_load_generic_params (MonoImage *image, guint32 token, MonoGenericContainer *parent_container)
5930 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5931 guint32 cols [MONO_GENERICPARAM_SIZE];
5932 guint32 i, owner = 0, n;
5933 MonoGenericContainer *container;
5934 MonoGenericParamFull *params;
5935 MonoGenericContext *context;
5937 if (!(i = mono_metadata_get_generic_param_row (image, token, &owner)))
5939 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5942 container = mono_image_alloc0 (image, sizeof (MonoGenericContainer));
5943 container->image = image;
5946 params = g_realloc (params, sizeof (MonoGenericParamFull) * n);
5947 memset (¶ms [n - 1], 0, sizeof (MonoGenericParamFull));
5948 params [n - 1].param.owner = container;
5949 params [n - 1].param.num = cols [MONO_GENERICPARAM_NUMBER];
5950 params [n - 1].info.token = i | MONO_TOKEN_GENERIC_PARAM;
5951 params [n - 1].info.flags = cols [MONO_GENERICPARAM_FLAGS];
5952 params [n - 1].info.name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
5953 if (params [n - 1].param.num != n - 1)
5954 g_warning ("GenericParam table unsorted or hole in generic param sequence: token %d", i);
5955 if (++i > tdef->rows)
5957 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5958 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
5960 container->type_argc = n;
5961 container->type_params = mono_image_alloc0 (image, sizeof (MonoGenericParamFull) * n);
5962 memcpy (container->type_params, params, sizeof (MonoGenericParamFull) * n);
5964 container->parent = parent_container;
5966 if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5967 container->is_method = 1;
5969 g_assert (container->parent == NULL || container->is_method);
5971 context = &container->context;
5972 if (container->is_method) {
5973 context->class_inst = container->parent ? container->parent->context.class_inst : NULL;
5974 context->method_inst = mono_get_shared_generic_inst (container);
5976 context->class_inst = mono_get_shared_generic_inst (container);
5983 mono_get_shared_generic_inst (MonoGenericContainer *container)
5985 MonoType **type_argv;
5987 MonoGenericInst *nginst;
5990 type_argv = g_new0 (MonoType *, container->type_argc);
5991 helper = g_new0 (MonoType, container->type_argc);
5993 for (i = 0; i < container->type_argc; i++) {
5994 MonoType *t = &helper [i];
5996 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
5997 t->data.generic_param = mono_generic_container_get_param (container, i);
6002 nginst = mono_metadata_get_generic_inst (container->type_argc, type_argv);
6011 * mono_type_is_byref:
6012 * @type: the MonoType operated on
6014 * Returns: #TRUE if @type represents a type passed by reference,
6018 mono_type_is_byref (MonoType *type)
6024 * mono_type_get_type:
6025 * @type: the MonoType operated on
6027 * Returns: the IL type value for @type. This is one of the MonoTypeEnum
6028 * enum members like MONO_TYPE_I4 or MONO_TYPE_STRING.
6031 mono_type_get_type (MonoType *type)
6037 * mono_type_get_signature:
6038 * @type: the MonoType operated on
6040 * It is only valid to call this function if @type is a MONO_TYPE_FNPTR.
6042 * Returns: the MonoMethodSignature pointer that describes the signature
6043 * of the function pointer @type represents.
6045 MonoMethodSignature*
6046 mono_type_get_signature (MonoType *type)
6048 g_assert (type->type == MONO_TYPE_FNPTR);
6049 return type->data.method;
6053 * mono_type_get_class:
6054 * @type: the MonoType operated on
6056 * It is only valid to call this function if @type is a MONO_TYPE_CLASS or a
6057 * MONO_TYPE_VALUETYPE. For more general functionality, use mono_class_from_mono_type (),
6060 * Returns: the MonoClass pointer that describes the class that @type represents.
6063 mono_type_get_class (MonoType *type)
6065 /* FIXME: review the runtime users before adding the assert here */
6066 return type->data.klass;
6070 * mono_type_get_array_type:
6071 * @type: the MonoType operated on
6073 * It is only valid to call this function if @type is a MONO_TYPE_ARRAY.
6075 * Returns: a MonoArrayType struct describing the array type that @type
6076 * represents. The info includes details such as rank, array element type
6077 * and the sizes and bounds of multidimensional arrays.
6080 mono_type_get_array_type (MonoType *type)
6082 return type->data.array;
6086 * mono_type_get_ptr_type:
6087 * @type: the MonoType operated on
6089 * It is only valid to call this function if @type is a MONO_TYPE_PTR.
6092 * Returns: the MonoType pointer that describes the type that @type
6093 * represents a pointer to.
6096 mono_type_get_ptr_type (MonoType *type)
6098 g_assert (type->type == MONO_TYPE_PTR);
6099 return type->data.type;
6103 mono_type_get_modifiers (MonoType *type, gboolean *is_required, gpointer *iter)
6105 /* FIXME: implement */
6110 * mono_type_is_struct:
6111 * @type: the MonoType operated on
6113 * Returns: #TRUE is @type is a struct, that is a ValueType but not en enum
6114 * or a basic type like System.Int32. #FALSE otherwise.
6117 mono_type_is_struct (MonoType *type)
6119 return (!type->byref && ((type->type == MONO_TYPE_VALUETYPE &&
6120 !type->data.klass->enumtype) || (type->type == MONO_TYPE_TYPEDBYREF) ||
6121 ((type->type == MONO_TYPE_GENERICINST) &&
6122 mono_metadata_generic_class_is_valuetype (type->data.generic_class) &&
6123 !type->data.generic_class->container_class->enumtype)));
6127 * mono_type_is_void:
6128 * @type: the MonoType operated on
6130 * Returns: #TRUE is @type is System.Void. #FALSE otherwise.
6133 mono_type_is_void (MonoType *type)
6135 return (type && (type->type == MONO_TYPE_VOID) && !type->byref);
6139 * mono_type_is_pointer:
6140 * @type: the MonoType operated on
6142 * Returns: #TRUE is @type is a managed or unmanaged pointer type. #FALSE otherwise.
6145 mono_type_is_pointer (MonoType *type)
6147 return (type && ((type->byref || (type->type == MONO_TYPE_I) || type->type == MONO_TYPE_STRING)
6148 || (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6149 (type->type == MONO_TYPE_U) || (type->type == MONO_TYPE_OBJECT) ||
6150 (type->type == MONO_TYPE_ARRAY) || (type->type == MONO_TYPE_PTR) ||
6151 (type->type == MONO_TYPE_FNPTR)));
6155 * mono_type_is_reference:
6156 * @type: the MonoType operated on
6158 * Returns: #TRUE is @type represents an object reference . #FALSE otherwise.
6161 mono_type_is_reference (MonoType *type)
6163 return (type && (((type->type == MONO_TYPE_STRING) ||
6164 (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6165 (type->type == MONO_TYPE_OBJECT) || (type->type == MONO_TYPE_ARRAY)) ||
6166 ((type->type == MONO_TYPE_GENERICINST) &&
6167 !mono_metadata_generic_class_is_valuetype (type->data.generic_class))));
6171 * mono_signature_get_return_type:
6172 * @sig: the method signature inspected
6174 * Returns: the return type of the method signature @sig
6177 mono_signature_get_return_type (MonoMethodSignature *sig)
6183 * mono_signature_get_params:
6184 * @sig: the method signature inspected
6185 * #iter: pointer to an iterator
6187 * Iterates over the parameters for the method signature @sig.
6188 * A void* pointer must be initualized to #NULL to start the iteration
6189 * and it's address is passed to this function repeteadly until it returns
6192 * Returns: the next parameter type of the method signature @sig,
6193 * #NULL when finished.
6196 mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
6202 /* start from the first */
6203 if (sig->param_count) {
6204 *iter = &sig->params [0];
6205 return sig->params [0];
6213 if (type < &sig->params [sig->param_count]) {
6221 * mono_signature_get_param_count:
6222 * @sig: the method signature inspected
6224 * Returns: the number of parameters in the method signature @sig.
6227 mono_signature_get_param_count (MonoMethodSignature *sig)
6229 return sig->param_count;
6233 * mono_signature_get_call_conv:
6234 * @sig: the method signature inspected
6236 * Returns: the call convention of the method signature @sig.
6239 mono_signature_get_call_conv (MonoMethodSignature *sig)
6241 return sig->call_convention;
6245 * mono_signature_vararg_start:
6246 * @sig: the method signature inspected
6248 * Returns: the number of the first vararg parameter in the
6249 * method signature @sig. -1 if this is not a vararg signature.
6252 mono_signature_vararg_start (MonoMethodSignature *sig)
6254 return sig->sentinelpos;
6258 * mono_signature_is_instance:
6259 * @sig: the method signature inspected
6261 * Returns: #TRUE if this the method signature @sig has an implicit
6262 * first instance argument. #FALSE otherwise.
6265 mono_signature_is_instance (MonoMethodSignature *sig)
6267 return sig->hasthis;
6271 * mono_signature_param_is_out
6272 * @sig: the method signature inspected
6273 * @param_num: the 0-based index of the inspected parameter
6275 * Returns: #TRUE if the parameter is an out parameter, #FALSE
6279 mono_signature_param_is_out (MonoMethodSignature *sig, int param_num)
6281 g_assert (param_num >= 0 && param_num < sig->param_count);
6282 return (sig->params [param_num]->attrs & PARAM_ATTRIBUTE_OUT) != 0;
6286 * mono_signature_explicit_this:
6287 * @sig: the method signature inspected
6289 * Returns: #TRUE if this the method signature @sig has an explicit
6290 * instance argument. #FALSE otherwise.
6293 mono_signature_explicit_this (MonoMethodSignature *sig)
6295 return sig->explicit_this;
6298 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
6300 mono_aligned_addr_hash (gconstpointer ptr)
6302 return GPOINTER_TO_UINT (ptr) >> 3;
6306 * If @field belongs to an inflated generic class, return the corresponding field of the
6307 * generic type definition class.
6310 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field)
6315 if (!field->parent->generic_class)
6318 gtd = field->parent->generic_class->container_class;
6319 offset = field - field->parent->fields;
6320 return gtd->fields + offset;
6324 * If @event belongs to an inflated generic class, return the corresponding event of the
6325 * generic type definition class.
6328 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event)
6333 if (!event->parent->generic_class)
6336 gtd = event->parent->generic_class->container_class;
6337 offset = event - event->parent->ext->events;
6338 return gtd->ext->events + offset;
6342 * If @property belongs to an inflated generic class, return the corresponding property of the
6343 * generic type definition class.
6346 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property)
6351 if (!property->parent->generic_class)
6354 gtd = property->parent->generic_class->container_class;
6355 offset = property - property->parent->ext->properties;
6356 return gtd->ext->properties + offset;