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: {
3204 token = mono_metadata_parse_typedef_or_ref (m, ptr, &ptr);
3205 class = mono_class_get_checked (m, token, &error);
3206 type->data.klass = class;
3208 mono_loader_set_error_from_mono_error (&error);
3209 mono_error_cleanup (&error); /*FIXME don't swallow the error message*/
3212 if (!compare_type_literals (class->byval_arg.type, type->type))
3216 case MONO_TYPE_SZARRAY: {
3217 MonoType *etype = mono_metadata_parse_type_full (m, container, MONO_PARSE_MOD_TYPE, 0, ptr, &ptr);
3220 type->data.klass = mono_class_from_mono_type (etype);
3221 if (!type->data.klass)
3226 type->data.type = mono_metadata_parse_type_internal (m, container, MONO_PARSE_MOD_TYPE, 0, transient, ptr, &ptr);
3227 if (!type->data.type)
3230 case MONO_TYPE_FNPTR:
3231 type->data.method = mono_metadata_parse_method_signature_full (m, container, 0, ptr, &ptr);
3232 if (!type->data.method)
3235 case MONO_TYPE_ARRAY:
3236 type->data.array = mono_metadata_parse_array_internal (m, container, transient, ptr, &ptr);
3237 if (!type->data.array)
3240 case MONO_TYPE_MVAR:
3241 if (container && !container->is_method)
3244 type->data.generic_param = mono_metadata_parse_generic_param (m, container, type->type, ptr, &ptr);
3245 if (!type->data.generic_param)
3248 case MONO_TYPE_GENERICINST:
3249 ok = do_mono_metadata_parse_generic_class (type, m, container, ptr, &ptr);
3252 g_warning ("type 0x%02x not handled in do_mono_metadata_parse_type on image %s", type->type, m->name);
3262 * mono_metadata_free_type:
3263 * @type: type to free
3265 * Free the memory allocated for type @type which is allocated on the heap.
3268 mono_metadata_free_type (MonoType *type)
3270 if (type >= builtin_types && type < builtin_types + NBUILTIN_TYPES ())
3273 switch (type->type){
3274 case MONO_TYPE_OBJECT:
3275 case MONO_TYPE_STRING:
3276 if (!type->data.klass)
3279 case MONO_TYPE_CLASS:
3280 case MONO_TYPE_VALUETYPE:
3281 if (type == &type->data.klass->byval_arg || type == &type->data.klass->this_arg)
3285 mono_metadata_free_type (type->data.type);
3287 case MONO_TYPE_FNPTR:
3288 mono_metadata_free_method_signature (type->data.method);
3290 case MONO_TYPE_ARRAY:
3291 mono_metadata_free_array (type->data.array);
3300 hex_dump (const char *buffer, int base, int count)
3302 int show_header = 1;
3310 for (i = 0; i < count; i++){
3313 printf ("\n0x%08x: ", (unsigned char) base + i);
3315 printf ("%02x ", (unsigned char) (buffer [i]));
3322 * @ptr: Points to the beginning of the Section Data (25.3)
3324 static MonoExceptionClause*
3325 parse_section_data (MonoImage *m, int *num_clauses, const unsigned char *ptr)
3327 unsigned char sect_data_flags;
3328 const unsigned char *sptr;
3330 guint32 sect_data_len;
3331 MonoExceptionClause* clauses = NULL;
3334 /* align on 32-bit boundary */
3335 sptr = ptr = dword_align (ptr);
3336 sect_data_flags = *ptr;
3339 is_fat = sect_data_flags & METHOD_HEADER_SECTION_FAT_FORMAT;
3341 sect_data_len = (ptr [2] << 16) | (ptr [1] << 8) | ptr [0];
3344 sect_data_len = ptr [0];
3348 g_print ("flags: %02x, len: %d\n", sect_data_flags, sect_data_len);
3349 hex_dump (sptr, 0, sect_data_len+8);
3350 g_print ("\nheader: ");
3351 hex_dump (sptr-4, 0, 4);
3355 if (sect_data_flags & METHOD_HEADER_SECTION_EHTABLE) {
3356 const unsigned char *p = dword_align (ptr);
3358 *num_clauses = is_fat ? sect_data_len / 24: sect_data_len / 12;
3359 /* we could just store a pointer if we don't need to byteswap */
3360 clauses = g_malloc0 (sizeof (MonoExceptionClause) * (*num_clauses));
3361 for (i = 0; i < *num_clauses; ++i) {
3362 MonoExceptionClause *ec = &clauses [i];
3365 ec->flags = read32 (p);
3366 ec->try_offset = read32 (p + 4);
3367 ec->try_len = read32 (p + 8);
3368 ec->handler_offset = read32 (p + 12);
3369 ec->handler_len = read32 (p + 16);
3370 tof_value = read32 (p + 20);
3373 ec->flags = read16 (p);
3374 ec->try_offset = read16 (p + 2);
3375 ec->try_len = *(p + 4);
3376 ec->handler_offset = read16 (p + 5);
3377 ec->handler_len = *(p + 7);
3378 tof_value = read32 (p + 8);
3381 if (ec->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
3382 ec->data.filter_offset = tof_value;
3383 } else if (ec->flags == MONO_EXCEPTION_CLAUSE_NONE) {
3384 ec->data.catch_class = NULL;
3387 ec->data.catch_class = mono_class_get_checked (m, tof_value, &error);
3388 if (!mono_error_ok (&error)) {
3389 mono_error_cleanup (&error); /* FIXME don't swallow the error */
3395 ec->data.catch_class = NULL;
3397 /* g_print ("try %d: %x %04x-%04x %04x\n", i, ec->flags, ec->try_offset, ec->try_offset+ec->try_len, ec->try_len); */
3401 if (sect_data_flags & METHOD_HEADER_SECTION_MORE_SECTS)
3402 ptr += sect_data_len - 4; /* LAMESPEC: it seems the size includes the header */
3409 * mono_method_get_header_summary:
3410 * @method: The method to get the header.
3411 * @summary: Where to store the header
3414 * Returns: true if the header was properly decoded.
3417 mono_method_get_header_summary (MonoMethod *method, MonoMethodHeaderSummary *summary)
3423 unsigned char flags, format;
3426 /*Only the GMD has a pointer to the metadata.*/
3427 while (method->is_inflated)
3428 method = ((MonoMethodInflated*)method)->declaring;
3430 summary->code_size = 0;
3431 summary->has_clauses = FALSE;
3433 /*FIXME extract this into a MACRO and share it with mono_method_get_header*/
3434 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))
3437 if (method->wrapper_type != MONO_WRAPPER_NONE || method->sre_method) {
3438 MonoMethodHeader *header = ((MonoMethodWrapper *)method)->header;
3441 summary->code_size = header->code_size;
3442 summary->has_clauses = header->num_clauses > 0;
3447 idx = mono_metadata_token_index (method->token);
3448 img = method->klass->image;
3449 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
3451 /*We must run the verifier since we'll be decoding it.*/
3452 if (!mono_verifier_verify_method_header (img, rva, NULL))
3455 ptr = mono_image_rva_map (img, rva);
3458 flags = *(const unsigned char *)ptr;
3459 format = flags & METHOD_HEADER_FORMAT_MASK;
3462 case METHOD_HEADER_TINY_FORMAT:
3464 summary->code_size = flags >> 2;
3466 case METHOD_HEADER_FAT_FORMAT:
3467 fat_flags = read16 (ptr);
3469 summary->code_size = read32 (ptr);
3470 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3471 summary->has_clauses = TRUE;
3480 * mono_metadata_parse_mh_full:
3481 * @m: metadata context
3482 * @generic_context: generics context
3483 * @ptr: pointer to the method header.
3485 * Decode the method header at @ptr, including pointer to the IL code,
3486 * info about local variables and optional exception tables.
3487 * This is a Mono runtime internal function.
3489 * LOCKING: Acquires the loader lock.
3491 * Returns: a transient MonoMethodHeader allocated from the heap.
3494 mono_metadata_parse_mh_full (MonoImage *m, MonoGenericContainer *container, const char *ptr)
3496 MonoMethodHeader *mh = NULL;
3497 unsigned char flags = *(const unsigned char *) ptr;
3498 unsigned char format = flags & METHOD_HEADER_FORMAT_MASK;
3500 guint32 local_var_sig_tok, max_stack, code_size, init_locals;
3501 const unsigned char *code;
3502 MonoExceptionClause* clauses = NULL;
3503 int hsize, num_clauses = 0;
3504 MonoTableInfo *t = &m->tables [MONO_TABLE_STANDALONESIG];
3505 guint32 cols [MONO_STAND_ALONE_SIGNATURE_SIZE];
3507 g_return_val_if_fail (ptr != NULL, NULL);
3510 case METHOD_HEADER_TINY_FORMAT:
3511 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER);
3514 mh->is_transient = TRUE;
3515 local_var_sig_tok = 0;
3516 mh->code_size = flags >> 2;
3517 mh->code = (unsigned char*)ptr;
3519 case METHOD_HEADER_FAT_FORMAT:
3520 fat_flags = read16 (ptr);
3522 hsize = (fat_flags >> 12) & 0xf;
3523 max_stack = read16 (ptr);
3525 code_size = read32 (ptr);
3527 local_var_sig_tok = read32 (ptr);
3530 if (fat_flags & METHOD_HEADER_INIT_LOCALS)
3535 code = (unsigned char*)ptr;
3537 if (!(fat_flags & METHOD_HEADER_MORE_SECTS))
3541 * There are more sections
3543 ptr = (char*)code + code_size;
3549 if (local_var_sig_tok) {
3550 int idx = (local_var_sig_tok & 0xffffff)-1;
3551 if (idx >= t->rows || idx < 0)
3553 mono_metadata_decode_row (t, idx, cols, 1);
3555 if (!mono_verifier_verify_standalone_signature (m, cols [MONO_STAND_ALONE_SIGNATURE], NULL))
3558 if (fat_flags & METHOD_HEADER_MORE_SECTS)
3559 clauses = parse_section_data (m, &num_clauses, (const unsigned char*)ptr);
3560 if (local_var_sig_tok) {
3561 const char *locals_ptr;
3562 int len=0, i, bsize;
3564 locals_ptr = mono_metadata_blob_heap (m, cols [MONO_STAND_ALONE_SIGNATURE]);
3565 bsize = mono_metadata_decode_blob_size (locals_ptr, &locals_ptr);
3566 if (*locals_ptr != 0x07)
3567 g_warning ("wrong signature for locals blob");
3569 len = mono_metadata_decode_value (locals_ptr, &locals_ptr);
3570 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER + len * sizeof (MonoType*) + num_clauses * sizeof (MonoExceptionClause));
3571 mh->num_locals = len;
3572 for (i = 0; i < len; ++i) {
3573 mh->locals [i] = mono_metadata_parse_type_internal (m, container,
3574 MONO_PARSE_LOCAL, 0, TRUE, locals_ptr, &locals_ptr);
3575 if (!mh->locals [i])
3579 mh = g_malloc0 (MONO_SIZEOF_METHOD_HEADER + num_clauses * sizeof (MonoExceptionClause));
3582 mh->code_size = code_size;
3583 mh->max_stack = max_stack;
3584 mh->is_transient = TRUE;
3585 mh->init_locals = init_locals;
3587 MonoExceptionClause* clausesp = (MonoExceptionClause*)&mh->locals [mh->num_locals];
3588 memcpy (clausesp, clauses, num_clauses * sizeof (MonoExceptionClause));
3590 mh->clauses = clausesp;
3591 mh->num_clauses = num_clauses;
3602 * mono_metadata_parse_mh:
3603 * @generic_context: generics context
3604 * @ptr: pointer to the method header.
3606 * Decode the method header at @ptr, including pointer to the IL code,
3607 * info about local variables and optional exception tables.
3609 * Returns: a transient MonoMethodHeader allocated from the heap.
3612 mono_metadata_parse_mh (MonoImage *m, const char *ptr)
3614 return mono_metadata_parse_mh_full (m, NULL, ptr);
3618 * mono_metadata_free_mh:
3619 * @mh: a method header
3621 * Free the memory allocated for the method header.
3624 mono_metadata_free_mh (MonoMethodHeader *mh)
3628 /* If it is not transient it means it's part of a wrapper method,
3629 * or a SRE-generated method, so the lifetime in that case is
3630 * dictated by the method's own lifetime
3632 if (mh->is_transient) {
3633 for (i = 0; i < mh->num_locals; ++i)
3634 mono_metadata_free_type (mh->locals [i]);
3640 * mono_method_header_get_code:
3641 * @header: a MonoMethodHeader pointer
3642 * @code_size: memory location for returning the code size
3643 * @max_stack: memory location for returning the max stack
3645 * Method header accessor to retreive info about the IL code properties:
3646 * a pointer to the IL code itself, the size of the code and the max number
3647 * of stack slots used by the code.
3649 * Returns: pointer to the IL code represented by the method header.
3651 const unsigned char*
3652 mono_method_header_get_code (MonoMethodHeader *header, guint32* code_size, guint32* max_stack)
3655 *code_size = header->code_size;
3657 *max_stack = header->max_stack;
3658 return header->code;
3662 * mono_method_header_get_locals:
3663 * @header: a MonoMethodHeader pointer
3664 * @num_locals: memory location for returning the number of local variables
3665 * @init_locals: memory location for returning the init_locals flag
3667 * Method header accessor to retreive info about the local variables:
3668 * an array of local types, the number of locals and whether the locals
3669 * are supposed to be initialized to 0 on method entry
3671 * Returns: pointer to an array of types of the local variables
3674 mono_method_header_get_locals (MonoMethodHeader *header, guint32* num_locals, gboolean *init_locals)
3677 *num_locals = header->num_locals;
3679 *init_locals = header->init_locals;
3680 return header->locals;
3684 * mono_method_header_get_num_clauses:
3685 * @header: a MonoMethodHeader pointer
3687 * Method header accessor to retreive the number of exception clauses.
3689 * Returns: the number of exception clauses present
3692 mono_method_header_get_num_clauses (MonoMethodHeader *header)
3694 return header->num_clauses;
3698 * mono_method_header_get_clauses:
3699 * @header: a MonoMethodHeader pointer
3700 * @method: MonoMethod the header belongs to
3701 * @iter: pointer to a iterator
3702 * @clause: pointer to a MonoExceptionClause structure which will be filled with the info
3704 * Get the info about the exception clauses in the method. Set *iter to NULL to
3705 * initiate the iteration, then call the method repeatedly until it returns FALSE.
3706 * At each iteration, the structure pointed to by clause if filled with the
3707 * exception clause information.
3709 * Returns: TRUE if clause was filled with info, FALSE if there are no more exception
3713 mono_method_header_get_clauses (MonoMethodHeader *header, MonoMethod *method, gpointer *iter, MonoExceptionClause *clause)
3715 MonoExceptionClause *sc;
3716 /* later we'll be able to use this interface to parse the clause info on demand,
3717 * without allocating anything.
3719 if (!iter || !header->num_clauses)
3722 *iter = sc = header->clauses;
3728 if (sc < header->clauses + header->num_clauses) {
3737 * mono_metadata_parse_field_type:
3738 * @m: metadata context to extract information from
3739 * @ptr: pointer to the field signature
3740 * @rptr: pointer updated to match the end of the decoded stream
3742 * Parses the field signature, and returns the type information for it.
3744 * Returns: The MonoType that was extracted from @ptr.
3747 mono_metadata_parse_field_type (MonoImage *m, short field_flags, const char *ptr, const char **rptr)
3749 return mono_metadata_parse_type (m, MONO_PARSE_FIELD, field_flags, ptr, rptr);
3753 * mono_metadata_parse_param:
3754 * @m: metadata context to extract information from
3755 * @ptr: pointer to the param signature
3756 * @rptr: pointer updated to match the end of the decoded stream
3758 * Parses the param signature, and returns the type information for it.
3760 * Returns: The MonoType that was extracted from @ptr.
3763 mono_metadata_parse_param (MonoImage *m, const char *ptr, const char **rptr)
3765 return mono_metadata_parse_type (m, MONO_PARSE_PARAM, 0, ptr, rptr);
3769 * mono_metadata_token_from_dor:
3770 * @dor_token: A TypeDefOrRef coded index
3772 * dor_token is a TypeDefOrRef coded index: it contains either
3773 * a TypeDef, TypeRef or TypeSpec in the lower bits, and the upper
3774 * bits contain an index into the table.
3776 * Returns: an expanded token
3779 mono_metadata_token_from_dor (guint32 dor_index)
3783 table = dor_index & 0x03;
3784 idx = dor_index >> 2;
3787 case 0: /* TypeDef */
3788 return MONO_TOKEN_TYPE_DEF | idx;
3789 case 1: /* TypeRef */
3790 return MONO_TOKEN_TYPE_REF | idx;
3791 case 2: /* TypeSpec */
3792 return MONO_TOKEN_TYPE_SPEC | idx;
3794 g_assert_not_reached ();
3801 * We use this to pass context information to the row locator
3804 int idx; /* The index that we are trying to locate */
3805 int col_idx; /* The index in the row where idx may be stored */
3806 MonoTableInfo *t; /* pointer to the table */
3811 * How the row locator works.
3816 * ___|___------> _______
3819 * A column in the rows of table A references an index in table B.
3820 * For example A may be the TYPEDEF table and B the METHODDEF table.
3822 * Given an index in table B we want to get the row in table A
3823 * where the column n references our index in B.
3825 * In the locator_t structure:
3827 * col_idx is the column number
3828 * index is the index in table B
3829 * result will be the index in table A
3832 * Table A Table B column (in table A)
3833 * TYPEDEF METHODDEF MONO_TYPEDEF_METHOD_LIST
3834 * TYPEDEF FIELD MONO_TYPEDEF_FIELD_LIST
3835 * PROPERTYMAP PROPERTY MONO_PROPERTY_MAP_PROPERTY_LIST
3836 * INTERFIMPL TYPEDEF MONO_INTERFACEIMPL_CLASS
3837 * METHODSEM PROPERTY ASSOCIATION (encoded index)
3839 * Note that we still don't support encoded indexes.
3843 typedef_locator (const void *a, const void *b)
3845 locator_t *loc = (locator_t *) a;
3846 const char *bb = (const char *) b;
3847 int typedef_index = (bb - loc->t->base) / loc->t->row_size;
3848 guint32 col, col_next;
3850 col = mono_metadata_decode_row_col (loc->t, typedef_index, loc->col_idx);
3856 * Need to check that the next row is valid.
3858 if (typedef_index + 1 < loc->t->rows) {
3859 col_next = mono_metadata_decode_row_col (loc->t, typedef_index + 1, loc->col_idx);
3860 if (loc->idx >= col_next)
3863 if (col == col_next)
3867 loc->result = typedef_index;
3873 table_locator (const void *a, const void *b)
3875 locator_t *loc = (locator_t *) a;
3876 const char *bb = (const char *) b;
3877 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3880 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3882 if (loc->idx == col) {
3883 loc->result = table_index;
3893 declsec_locator (const void *a, const void *b)
3895 locator_t *loc = (locator_t *) a;
3896 const char *bb = (const char *) b;
3897 guint32 table_index = (bb - loc->t->base) / loc->t->row_size;
3900 col = mono_metadata_decode_row_col (loc->t, table_index, loc->col_idx);
3902 if (loc->idx == col) {
3903 loc->result = table_index;
3915 * Return the 1-based row index in TABLE, which must be one of the *Ptr tables,
3916 * which contains IDX.
3919 search_ptr_table (MonoImage *image, int table, int idx)
3921 MonoTableInfo *ptrdef = &image->tables [table];
3924 /* Use a linear search to find our index in the table */
3925 for (i = 0; i < ptrdef->rows; i ++)
3926 /* All the Ptr tables have the same structure */
3927 if (mono_metadata_decode_row_col (ptrdef, i, 0) == idx)
3930 if (i < ptrdef->rows)
3937 * mono_metadata_typedef_from_field:
3938 * @meta: metadata context
3939 * @index: FieldDef token
3941 * Returns: the 1-based index into the TypeDef table of the type that
3942 * declared the field described by @index, or 0 if not found.
3945 mono_metadata_typedef_from_field (MonoImage *meta, guint32 index)
3947 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3953 loc.idx = mono_metadata_token_index (index);
3954 loc.col_idx = MONO_TYPEDEF_FIELD_LIST;
3957 if (meta->uncompressed_metadata)
3958 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
3960 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3963 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3964 return loc.result + 1;
3968 * mono_metadata_typedef_from_method:
3969 * @meta: metadata context
3970 * @index: MethodDef token
3972 * Returns: the 1-based index into the TypeDef table of the type that
3973 * declared the method described by @index. 0 if not found.
3976 mono_metadata_typedef_from_method (MonoImage *meta, guint32 index)
3978 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_TYPEDEF];
3984 loc.idx = mono_metadata_token_index (index);
3985 loc.col_idx = MONO_TYPEDEF_METHOD_LIST;
3988 if (meta->uncompressed_metadata)
3989 loc.idx = search_ptr_table (meta, MONO_TABLE_METHOD_POINTER, loc.idx);
3991 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, typedef_locator))
3994 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
3995 return loc.result + 1;
3999 * mono_metadata_interfaces_from_typedef_full:
4000 * @meta: metadata context
4001 * @index: typedef token
4002 * @interfaces: Out parameter used to store the interface array
4003 * @count: Out parameter used to store the number of interfaces
4004 * @heap_alloc_result: if TRUE the result array will be g_malloc'd
4005 * @context: The generic context
4007 * The array of interfaces that the @index typedef token implements is returned in
4008 * @interfaces. The number of elements in the array is returned in @count.
4011 * Returns: TRUE on success, FALSE on failure.
4014 mono_metadata_interfaces_from_typedef_full (MonoImage *meta, guint32 index, MonoClass ***interfaces, guint *count, gboolean heap_alloc_result, MonoGenericContext *context)
4016 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_INTERFACEIMPL];
4019 guint32 cols [MONO_INTERFACEIMPL_SIZE];
4028 loc.idx = mono_metadata_token_index (index);
4029 loc.col_idx = MONO_INTERFACEIMPL_CLASS;
4032 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4037 * We may end up in the middle of the rows...
4040 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_INTERFACEIMPL_CLASS))
4046 while (pos < tdef->rows) {
4047 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4048 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4053 if (heap_alloc_result)
4054 result = g_new0 (MonoClass*, pos - start);
4056 result = mono_image_alloc0 (meta, sizeof (MonoClass*) * (pos - start));
4059 while (pos < tdef->rows) {
4063 mono_metadata_decode_row (tdef, pos, cols, MONO_INTERFACEIMPL_SIZE);
4064 if (cols [MONO_INTERFACEIMPL_CLASS] != loc.idx)
4066 iface = mono_class_get_and_inflate_typespec_checked (
4067 meta, mono_metadata_token_from_dor (cols [MONO_INTERFACEIMPL_INTERFACE]), context, &error);
4068 if (iface == NULL) {
4069 mono_loader_set_error_from_mono_error (&error);
4070 mono_error_cleanup (&error); /* FIXME Don't swallow the error */
4073 result [pos - start] = iface;
4076 *count = pos - start;
4077 *interfaces = result;
4082 * @meta: metadata context
4083 * @index: typedef token
4084 * @count: Out parameter used to store the number of interfaces
4086 * The array of interfaces that the @index typedef token implements is returned in
4087 * @interfaces. The number of elements in the array is returned in @count. The returned
4088 * array is g_malloc'd and the caller must free it.
4090 * LOCKING: Acquires the loader lock .
4092 * Returns: the interface array on success, NULL on failure.
4096 mono_metadata_interfaces_from_typedef (MonoImage *meta, guint32 index, guint *count)
4098 MonoClass **interfaces;
4101 rv = mono_metadata_interfaces_from_typedef_full (meta, index, &interfaces, count, TRUE, NULL);
4109 * mono_metadata_nested_in_typedef:
4110 * @meta: metadata context
4111 * @index: typedef token
4113 * Returns: the 1-based index into the TypeDef table of the type
4114 * where the type described by @index is nested.
4115 * Returns 0 if @index describes a non-nested type.
4118 mono_metadata_nested_in_typedef (MonoImage *meta, guint32 index)
4120 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4126 loc.idx = mono_metadata_token_index (index);
4127 loc.col_idx = MONO_NESTED_CLASS_NESTED;
4130 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4133 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4134 return mono_metadata_decode_row_col (tdef, loc.result, MONO_NESTED_CLASS_ENCLOSING) | MONO_TOKEN_TYPE_DEF;
4138 * mono_metadata_nesting_typedef:
4139 * @meta: metadata context
4140 * @index: typedef token
4142 * Returns: the 1-based index into the TypeDef table of the first type
4143 * that is nested inside the type described by @index. The search starts at
4144 * @start_index. returns 0 if no such type is found.
4147 mono_metadata_nesting_typedef (MonoImage *meta, guint32 index, guint32 start_index)
4149 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_NESTEDCLASS];
4151 guint32 class_index = mono_metadata_token_index (index);
4156 start = start_index;
4158 while (start <= tdef->rows) {
4159 if (class_index == mono_metadata_decode_row_col (tdef, start - 1, MONO_NESTED_CLASS_ENCLOSING))
4165 if (start > tdef->rows)
4172 * mono_metadata_packing_from_typedef:
4173 * @meta: metadata context
4174 * @index: token representing a type
4176 * Returns: the info stored in the ClassLAyout table for the given typedef token
4177 * into the @packing and @size pointers.
4178 * Returns 0 if the info is not found.
4181 mono_metadata_packing_from_typedef (MonoImage *meta, guint32 index, guint32 *packing, guint32 *size)
4183 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CLASSLAYOUT];
4185 guint32 cols [MONO_CLASS_LAYOUT_SIZE];
4190 loc.idx = mono_metadata_token_index (index);
4191 loc.col_idx = MONO_CLASS_LAYOUT_PARENT;
4194 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4197 mono_metadata_decode_row (tdef, loc.result, cols, MONO_CLASS_LAYOUT_SIZE);
4199 *packing = cols [MONO_CLASS_LAYOUT_PACKING_SIZE];
4201 *size = cols [MONO_CLASS_LAYOUT_CLASS_SIZE];
4203 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4204 return loc.result + 1;
4208 * mono_metadata_custom_attrs_from_index:
4209 * @meta: metadata context
4210 * @index: token representing the parent
4212 * Returns: the 1-based index into the CustomAttribute table of the first
4213 * attribute which belongs to the metadata object described by @index.
4214 * Returns 0 if no such attribute is found.
4217 mono_metadata_custom_attrs_from_index (MonoImage *meta, guint32 index)
4219 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_CUSTOMATTRIBUTE];
4226 loc.col_idx = MONO_CUSTOM_ATTR_PARENT;
4229 /* FIXME: Index translation */
4231 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
4234 /* Find the first entry by searching backwards */
4235 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_CUSTOM_ATTR_PARENT) == index))
4238 /* loc_result is 0..1, needs to be mapped to table index (that is +1) */
4239 return loc.result + 1;
4243 * mono_metadata_declsec_from_index:
4244 * @meta: metadata context
4245 * @index: token representing the parent
4247 * Returns: the 0-based index into the DeclarativeSecurity table of the first
4248 * attribute which belongs to the metadata object described by @index.
4249 * Returns -1 if no such attribute is found.
4252 mono_metadata_declsec_from_index (MonoImage *meta, guint32 index)
4254 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_DECLSECURITY];
4261 loc.col_idx = MONO_DECL_SECURITY_PARENT;
4264 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, declsec_locator))
4267 /* Find the first entry by searching backwards */
4268 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_DECL_SECURITY_PARENT) == index))
4276 mono_backtrace (int limit)
4281 backtrace (array, limit);
4282 names = backtrace_symbols (array, limit);
4283 for (i =0; i < limit; ++i) {
4284 g_print ("\t%s\n", names [i]);
4290 static int i8_align;
4293 * mono_type_set_alignment:
4295 * Set the alignment used by runtime to layout fields etc. of type TYPE to ALIGN.
4296 * This should only be used in AOT mode since the resulting layout will not match the
4300 mono_type_set_alignment (MonoTypeEnum type, int align)
4302 /* Support only a few types whose alignment is abi dependent */
4308 g_assert_not_reached ();
4315 * @t: the type to return the size of
4317 * Returns: the number of bytes required to hold an instance of this
4321 mono_type_size (MonoType *t, int *align)
4328 *align = MONO_ABI_ALIGNOF (gpointer);
4329 return sizeof (gpointer);
4333 case MONO_TYPE_VOID:
4336 case MONO_TYPE_BOOLEAN:
4337 *align = MONO_ABI_ALIGNOF (gint8);
4341 *align = MONO_ABI_ALIGNOF (gint8);
4343 case MONO_TYPE_CHAR:
4346 *align = MONO_ABI_ALIGNOF (gint16);
4350 *align = MONO_ABI_ALIGNOF (gint32);
4353 *align = MONO_ABI_ALIGNOF (float);
4357 *align = MONO_ABI_ALIGNOF (gint64);
4360 *align = MONO_ABI_ALIGNOF (double);
4364 *align = MONO_ABI_ALIGNOF (gpointer);
4365 return sizeof (gpointer);
4366 case MONO_TYPE_STRING:
4367 *align = MONO_ABI_ALIGNOF (gpointer);
4368 return sizeof (gpointer);
4369 case MONO_TYPE_OBJECT:
4370 *align = MONO_ABI_ALIGNOF (gpointer);
4371 return sizeof (gpointer);
4372 case MONO_TYPE_VALUETYPE: {
4373 if (t->data.klass->enumtype)
4374 return mono_type_size (mono_class_enum_basetype (t->data.klass), align);
4376 return mono_class_value_size (t->data.klass, (guint32*)align);
4378 case MONO_TYPE_CLASS:
4379 case MONO_TYPE_SZARRAY:
4381 case MONO_TYPE_FNPTR:
4382 case MONO_TYPE_ARRAY:
4383 *align = MONO_ABI_ALIGNOF (gpointer);
4384 return sizeof (gpointer);
4385 case MONO_TYPE_TYPEDBYREF:
4386 return mono_class_value_size (mono_defaults.typed_reference_class, (guint32*)align);
4387 case MONO_TYPE_GENERICINST: {
4388 MonoGenericClass *gclass = t->data.generic_class;
4389 MonoClass *container_class = gclass->container_class;
4391 // g_assert (!gclass->inst->is_open);
4393 if (container_class->valuetype) {
4394 if (container_class->enumtype)
4395 return mono_type_size (mono_class_enum_basetype (container_class), align);
4397 return mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4399 *align = MONO_ABI_ALIGNOF (gpointer);
4400 return sizeof (gpointer);
4404 case MONO_TYPE_MVAR:
4405 /* FIXME: Martin, this is wrong. */
4406 *align = MONO_ABI_ALIGNOF (gpointer);
4407 return sizeof (gpointer);
4409 g_error ("mono_type_size: type 0x%02x unknown", t->type);
4415 * mono_type_stack_size:
4416 * @t: the type to return the size it uses on the stack
4418 * Returns: the number of bytes required to hold an instance of this
4419 * type on the runtime stack
4422 mono_type_stack_size (MonoType *t, int *align)
4424 return mono_type_stack_size_internal (t, align, FALSE);
4428 mono_type_stack_size_internal (MonoType *t, int *align, gboolean allow_open)
4431 #if SIZEOF_VOID_P == SIZEOF_REGISTER
4432 int stack_slot_size = sizeof (gpointer);
4433 int stack_slot_align = MONO_ABI_ALIGNOF (gpointer);
4434 #elif SIZEOF_VOID_P < SIZEOF_REGISTER
4435 int stack_slot_size = SIZEOF_REGISTER;
4436 int stack_slot_align = SIZEOF_REGISTER;
4439 g_assert (t != NULL);
4445 *align = stack_slot_align;
4446 return stack_slot_size;
4450 case MONO_TYPE_BOOLEAN:
4451 case MONO_TYPE_CHAR:
4460 case MONO_TYPE_STRING:
4461 case MONO_TYPE_OBJECT:
4462 case MONO_TYPE_CLASS:
4463 case MONO_TYPE_SZARRAY:
4465 case MONO_TYPE_FNPTR:
4466 case MONO_TYPE_ARRAY:
4467 *align = stack_slot_align;
4468 return stack_slot_size;
4470 case MONO_TYPE_MVAR:
4471 g_assert (allow_open);
4472 *align = stack_slot_align;
4473 return stack_slot_size;
4474 case MONO_TYPE_TYPEDBYREF:
4475 *align = stack_slot_align;
4476 return stack_slot_size * 3;
4478 *align = MONO_ABI_ALIGNOF (float);
4479 return sizeof (float);
4482 *align = MONO_ABI_ALIGNOF (gint64);
4483 return sizeof (gint64);
4485 *align = MONO_ABI_ALIGNOF (double);
4486 return sizeof (double);
4487 case MONO_TYPE_VALUETYPE: {
4490 if (t->data.klass->enumtype)
4491 return mono_type_stack_size_internal (mono_class_enum_basetype (t->data.klass), align, allow_open);
4493 size = mono_class_value_size (t->data.klass, (guint32*)align);
4495 *align = *align + stack_slot_align - 1;
4496 *align &= ~(stack_slot_align - 1);
4498 size += stack_slot_size - 1;
4499 size &= ~(stack_slot_size - 1);
4504 case MONO_TYPE_GENERICINST: {
4505 MonoGenericClass *gclass = t->data.generic_class;
4506 MonoClass *container_class = gclass->container_class;
4509 g_assert (!gclass->context.class_inst->is_open);
4511 if (container_class->valuetype) {
4512 if (container_class->enumtype)
4513 return mono_type_stack_size_internal (mono_class_enum_basetype (container_class), align, allow_open);
4515 guint32 size = mono_class_value_size (mono_class_from_mono_type (t), (guint32*)align);
4517 *align = *align + stack_slot_align - 1;
4518 *align &= ~(stack_slot_align - 1);
4520 size += stack_slot_size - 1;
4521 size &= ~(stack_slot_size - 1);
4526 *align = stack_slot_align;
4527 return stack_slot_size;
4531 g_error ("type 0x%02x unknown", t->type);
4537 mono_type_generic_inst_is_valuetype (MonoType *type)
4539 g_assert (type->type == MONO_TYPE_GENERICINST);
4540 return type->data.generic_class->container_class->valuetype;
4544 mono_metadata_generic_class_is_valuetype (MonoGenericClass *gclass)
4546 return gclass->container_class->valuetype;
4550 _mono_metadata_generic_class_equal (const MonoGenericClass *g1, const MonoGenericClass *g2, gboolean signature_only)
4552 MonoGenericInst *i1 = g1->context.class_inst;
4553 MonoGenericInst *i2 = g2->context.class_inst;
4555 if (g1->is_dynamic != g2->is_dynamic)
4557 if (!mono_metadata_class_equal (g1->container_class, g2->container_class, signature_only))
4559 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
4561 return g1->is_tb_open == g2->is_tb_open;
4565 _mono_metadata_generic_class_container_equal (const MonoGenericClass *g1, MonoClass *c2, gboolean signature_only)
4567 MonoGenericInst *i1 = g1->context.class_inst;
4568 MonoGenericInst *i2 = c2->generic_container->context.class_inst;
4570 if (!mono_metadata_class_equal (g1->container_class, c2, signature_only))
4572 if (!mono_generic_inst_equal_full (i1, i2, signature_only))
4574 return !g1->is_tb_open;
4578 mono_metadata_generic_context_hash (const MonoGenericContext *context)
4580 /* FIXME: check if this seed is good enough */
4581 guint hash = 0xc01dfee7;
4582 if (context->class_inst)
4583 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->class_inst);
4584 if (context->method_inst)
4585 hash = ((hash << 5) - hash) ^ mono_metadata_generic_inst_hash (context->method_inst);
4590 mono_metadata_generic_context_equal (const MonoGenericContext *g1, const MonoGenericContext *g2)
4592 return g1->class_inst == g2->class_inst && g1->method_inst == g2->method_inst;
4596 * mono_metadata_str_hash:
4598 * This should be used instead of g_str_hash for computing hash codes visible
4599 * outside this module, since g_str_hash () is not guaranteed to be stable
4600 * (its not the same in eglib for example).
4603 mono_metadata_str_hash (gconstpointer v1)
4605 /* Same as g_str_hash () in glib */
4606 char *p = (char *) v1;
4611 hash = (hash << 5) - hash + *p;
4618 * mono_metadata_type_hash:
4621 * Computes an hash value for @t1 to be used in GHashTable.
4622 * The returned hash is guaranteed to be the same across executions.
4625 mono_metadata_type_hash (MonoType *t1)
4627 guint hash = t1->type;
4629 hash |= t1->byref << 6; /* do not collide with t1->type values */
4631 case MONO_TYPE_VALUETYPE:
4632 case MONO_TYPE_CLASS:
4633 case MONO_TYPE_SZARRAY: {
4634 MonoClass *class = t1->data.klass;
4636 * Dynamic classes must not be hashed on their type since it can change
4637 * during runtime. For example, if we hash a reference type that is
4638 * later made into a valuetype.
4640 * This is specially problematic with generic instances since they are
4641 * inserted in a bunch of hash tables before been finished.
4643 if (image_is_dynamic (class->image))
4644 return (t1->byref << 6) | mono_metadata_str_hash (class->name);
4645 return ((hash << 5) - hash) ^ mono_metadata_str_hash (class->name);
4648 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
4649 case MONO_TYPE_ARRAY:
4650 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
4651 case MONO_TYPE_GENERICINST:
4652 return ((hash << 5) - hash) ^ mono_generic_class_hash (t1->data.generic_class);
4654 case MONO_TYPE_MVAR:
4655 return ((hash << 5) - hash) ^ mono_metadata_generic_param_hash (t1->data.generic_param);
4661 mono_metadata_generic_param_hash (MonoGenericParam *p)
4664 MonoGenericParamInfo *info;
4666 hash = (mono_generic_param_num (p) << 2) | p->serial;
4667 info = mono_generic_param_info (p);
4668 /* Can't hash on the owner klass/method, since those might not be set when this is called */
4670 hash = ((hash << 5) - hash) ^ info->token;
4675 mono_metadata_generic_param_equal (MonoGenericParam *p1, MonoGenericParam *p2, gboolean signature_only)
4679 if (mono_generic_param_num (p1) != mono_generic_param_num (p2))
4681 if (p1->serial != p2->serial)
4685 * We have to compare the image as well because if we didn't,
4686 * the generic_inst_cache lookup wouldn't care about the image
4687 * of generic params, so what could happen is that a generic
4688 * inst with params from image A is put into the cache, then
4689 * image B gets that generic inst from the cache, image A is
4690 * unloaded, so the inst is deleted, but image B still retains
4693 * The AOT runtime doesn't set the image when it's decoding
4694 * types, so we only compare it when the owner is NULL.
4696 if (mono_generic_param_owner (p1) == mono_generic_param_owner (p2) &&
4697 (mono_generic_param_owner (p1) || p1->image == p2->image))
4701 * If `signature_only' is true, we're comparing two (method) signatures.
4702 * In this case, the owner of two type parameters doesn't need to match.
4705 return signature_only;
4709 mono_metadata_class_equal (MonoClass *c1, MonoClass *c2, gboolean signature_only)
4713 if (c1->generic_class && c2->generic_class)
4714 return _mono_metadata_generic_class_equal (c1->generic_class, c2->generic_class, signature_only);
4715 if (c1->generic_class && c2->generic_container)
4716 return _mono_metadata_generic_class_container_equal (c1->generic_class, c2, signature_only);
4717 if (c1->generic_container && c2->generic_class)
4718 return _mono_metadata_generic_class_container_equal (c2->generic_class, c1, signature_only);
4719 if ((c1->byval_arg.type == MONO_TYPE_VAR) && (c2->byval_arg.type == MONO_TYPE_VAR))
4720 return mono_metadata_generic_param_equal (
4721 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4722 if ((c1->byval_arg.type == MONO_TYPE_MVAR) && (c2->byval_arg.type == MONO_TYPE_MVAR))
4723 return mono_metadata_generic_param_equal (
4724 c1->byval_arg.data.generic_param, c2->byval_arg.data.generic_param, signature_only);
4725 if (signature_only &&
4726 (c1->byval_arg.type == MONO_TYPE_SZARRAY) && (c2->byval_arg.type == MONO_TYPE_SZARRAY))
4727 return mono_metadata_class_equal (c1->byval_arg.data.klass, c2->byval_arg.data.klass, signature_only);
4728 if (signature_only &&
4729 (c1->byval_arg.type == MONO_TYPE_ARRAY) && (c2->byval_arg.type == MONO_TYPE_ARRAY))
4730 return do_mono_metadata_type_equal (&c1->byval_arg, &c2->byval_arg, signature_only);
4735 mono_metadata_fnptr_equal (MonoMethodSignature *s1, MonoMethodSignature *s2, gboolean signature_only)
4737 gpointer iter1 = 0, iter2 = 0;
4741 if (s1->call_convention != s2->call_convention)
4743 if (s1->sentinelpos != s2->sentinelpos)
4745 if (s1->hasthis != s2->hasthis)
4747 if (s1->explicit_this != s2->explicit_this)
4749 if (! do_mono_metadata_type_equal (s1->ret, s2->ret, signature_only))
4751 if (s1->param_count != s2->param_count)
4755 MonoType *t1 = mono_signature_get_params (s1, &iter1);
4756 MonoType *t2 = mono_signature_get_params (s2, &iter2);
4758 if (t1 == NULL || t2 == NULL)
4760 if (! do_mono_metadata_type_equal (t1, t2, signature_only))
4766 * mono_metadata_type_equal:
4770 * Determine if @t1 and @t2 represent the same type.
4771 * Returns: #TRUE if @t1 and @t2 are equal.
4774 do_mono_metadata_type_equal (MonoType *t1, MonoType *t2, gboolean signature_only)
4776 if (t1->type != t2->type || t1->byref != t2->byref)
4780 case MONO_TYPE_VOID:
4781 case MONO_TYPE_BOOLEAN:
4782 case MONO_TYPE_CHAR:
4793 case MONO_TYPE_STRING:
4796 case MONO_TYPE_OBJECT:
4797 case MONO_TYPE_TYPEDBYREF:
4799 case MONO_TYPE_VALUETYPE:
4800 case MONO_TYPE_CLASS:
4801 case MONO_TYPE_SZARRAY:
4802 return mono_metadata_class_equal (t1->data.klass, t2->data.klass, signature_only);
4804 return do_mono_metadata_type_equal (t1->data.type, t2->data.type, signature_only);
4805 case MONO_TYPE_ARRAY:
4806 if (t1->data.array->rank != t2->data.array->rank)
4808 return mono_metadata_class_equal (t1->data.array->eklass, t2->data.array->eklass, signature_only);
4809 case MONO_TYPE_GENERICINST:
4810 return _mono_metadata_generic_class_equal (
4811 t1->data.generic_class, t2->data.generic_class, signature_only);
4813 return mono_metadata_generic_param_equal (
4814 t1->data.generic_param, t2->data.generic_param, signature_only);
4815 case MONO_TYPE_MVAR:
4816 return mono_metadata_generic_param_equal (
4817 t1->data.generic_param, t2->data.generic_param, signature_only);
4818 case MONO_TYPE_FNPTR:
4819 return mono_metadata_fnptr_equal (t1->data.method, t2->data.method, signature_only);
4821 g_error ("implement type compare for %0x!", t1->type);
4829 mono_metadata_type_equal (MonoType *t1, MonoType *t2)
4831 return do_mono_metadata_type_equal (t1, t2, FALSE);
4835 * mono_metadata_type_equal_full:
4838 * @signature_only: if signature only comparison should be made
4840 * Determine if @t1 and @t2 are signature compatible if @signature_only is #TRUE, otherwise
4841 * behaves the same way as mono_metadata_type_equal.
4842 * The function mono_metadata_type_equal(a, b) is just a shortcut for mono_metadata_type_equal_full(a, b, FALSE).
4843 * Returns: #TRUE if @t1 and @t2 are equal taking @signature_only into account.
4846 mono_metadata_type_equal_full (MonoType *t1, MonoType *t2, gboolean signature_only)
4848 return do_mono_metadata_type_equal (t1, t2, signature_only);
4852 * mono_metadata_signature_equal:
4853 * @sig1: a signature
4854 * @sig2: another signature
4856 * Determine if @sig1 and @sig2 represent the same signature, with the
4857 * same number of arguments and the same types.
4858 * Returns: #TRUE if @sig1 and @sig2 are equal.
4861 mono_metadata_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
4865 if (sig1->hasthis != sig2->hasthis || sig1->param_count != sig2->param_count)
4868 if (sig1->generic_param_count != sig2->generic_param_count)
4872 * We're just comparing the signatures of two methods here:
4874 * If we have two generic methods `void Foo<U> (U u)' and `void Bar<V> (V v)',
4875 * U and V are equal here.
4877 * That's what the `signature_only' argument of do_mono_metadata_type_equal() is for.
4880 for (i = 0; i < sig1->param_count; i++) {
4881 MonoType *p1 = sig1->params[i];
4882 MonoType *p2 = sig2->params[i];
4884 /* if (p1->attrs != p2->attrs)
4887 if (!do_mono_metadata_type_equal (p1, p2, TRUE))
4891 if (!do_mono_metadata_type_equal (sig1->ret, sig2->ret, TRUE))
4897 * mono_metadata_type_dup:
4898 * @image: image to alloc memory from
4899 * @original: type to duplicate
4901 * Returns: copy of type allocated from the image's mempool (or from the heap, if @image is null).
4904 mono_metadata_type_dup (MonoImage *image, const MonoType *o)
4907 int sizeof_o = MONO_SIZEOF_TYPE;
4909 sizeof_o += o->num_mods * sizeof (MonoCustomMod);
4911 r = image ? mono_image_alloc0 (image, sizeof_o) : g_malloc (sizeof_o);
4913 memcpy (r, o, sizeof_o);
4915 if (o->type == MONO_TYPE_PTR) {
4916 r->data.type = mono_metadata_type_dup (image, o->data.type);
4917 } else if (o->type == MONO_TYPE_ARRAY) {
4918 r->data.array = mono_dup_array_type (image, o->data.array);
4919 } else if (o->type == MONO_TYPE_FNPTR) {
4920 /*FIXME the dup'ed signature is leaked mono_metadata_free_type*/
4921 r->data.method = mono_metadata_signature_deep_dup (image, o->data.method);
4927 mono_signature_hash (MonoMethodSignature *sig)
4929 guint i, res = sig->ret->type;
4931 for (i = 0; i < sig->param_count; i++)
4932 res = (res << 5) - res + mono_type_hash (sig->params[i]);
4938 * mono_metadata_encode_value:
4939 * @value: value to encode
4940 * @buf: buffer where to write the compressed representation
4941 * @endbuf: pointer updated to point at the end of the encoded output
4943 * Encodes the value @value in the compressed representation used
4944 * in metadata and stores the result in @buf. @buf needs to be big
4945 * enough to hold the data (4 bytes).
4948 mono_metadata_encode_value (guint32 value, char *buf, char **endbuf)
4954 else if (value < 0x4000) {
4955 p [0] = 0x80 | (value >> 8);
4956 p [1] = value & 0xff;
4959 p [0] = (value >> 24) | 0xc0;
4960 p [1] = (value >> 16) & 0xff;
4961 p [2] = (value >> 8) & 0xff;
4962 p [3] = value & 0xff;
4970 * mono_metadata_field_info:
4971 * @meta: the Image the field is defined in
4972 * @index: the index in the field table representing the field
4973 * @offset: a pointer to an integer where to store the offset that
4974 * may have been specified for the field in a FieldLayout table
4975 * @rva: a pointer to the RVA of the field data in the image that
4976 * may have been defined in a FieldRVA table
4977 * @marshal_spec: a pointer to the marshal spec that may have been
4978 * defined for the field in a FieldMarshal table.
4980 * Gather info for field @index that may have been defined in the FieldLayout,
4981 * FieldRVA and FieldMarshal tables.
4982 * Either of offset, rva and marshal_spec can be NULL if you're not interested
4986 mono_metadata_field_info (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4987 MonoMarshalSpec **marshal_spec)
4989 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, FALSE);
4993 mono_metadata_field_info_with_mempool (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
4994 MonoMarshalSpec **marshal_spec)
4996 mono_metadata_field_info_full (meta, index, offset, rva, marshal_spec, TRUE);
5000 mono_metadata_field_info_full (MonoImage *meta, guint32 index, guint32 *offset, guint32 *rva,
5001 MonoMarshalSpec **marshal_spec, gboolean alloc_from_image)
5003 MonoTableInfo *tdef;
5006 loc.idx = index + 1;
5007 if (meta->uncompressed_metadata)
5008 loc.idx = search_ptr_table (meta, MONO_TABLE_FIELD_POINTER, loc.idx);
5011 tdef = &meta->tables [MONO_TABLE_FIELDLAYOUT];
5013 loc.col_idx = MONO_FIELD_LAYOUT_FIELD;
5016 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5017 *offset = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_LAYOUT_OFFSET);
5019 *offset = (guint32)-1;
5023 tdef = &meta->tables [MONO_TABLE_FIELDRVA];
5025 loc.col_idx = MONO_FIELD_RVA_FIELD;
5028 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5030 * LAMESPEC: There is no signature, no nothing, just the raw data.
5032 *rva = mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_RVA_RVA);
5040 if ((p = mono_metadata_get_marshal_info (meta, index, TRUE))) {
5041 *marshal_spec = mono_metadata_parse_marshal_spec_full (alloc_from_image ? meta : NULL, meta, p);
5048 * mono_metadata_get_constant_index:
5049 * @meta: the Image the field is defined in
5050 * @index: the token that may have a row defined in the constants table
5051 * @hint: possible position for the row
5053 * @token must be a FieldDef, ParamDef or PropertyDef token.
5055 * Returns: the index into the Constants table or 0 if not found.
5058 mono_metadata_get_constant_index (MonoImage *meta, guint32 token, guint32 hint)
5060 MonoTableInfo *tdef;
5062 guint32 index = mono_metadata_token_index (token);
5064 tdef = &meta->tables [MONO_TABLE_CONSTANT];
5065 index <<= MONO_HASCONSTANT_BITS;
5066 switch (mono_metadata_token_table (token)) {
5067 case MONO_TABLE_FIELD:
5068 index |= MONO_HASCONSTANT_FIEDDEF;
5070 case MONO_TABLE_PARAM:
5071 index |= MONO_HASCONSTANT_PARAM;
5073 case MONO_TABLE_PROPERTY:
5074 index |= MONO_HASCONSTANT_PROPERTY;
5077 g_warning ("Not a valid token for the constant table: 0x%08x", token);
5081 loc.col_idx = MONO_CONSTANT_PARENT;
5084 /* FIXME: Index translation */
5086 if ((hint > 0) && (hint < tdef->rows) && (mono_metadata_decode_row_col (tdef, hint - 1, MONO_CONSTANT_PARENT) == index))
5089 if (tdef->base && mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator)) {
5090 return loc.result + 1;
5096 * mono_metadata_events_from_typedef:
5097 * @meta: metadata context
5098 * @index: 0-based index (in the TypeDef table) describing a type
5100 * Returns: the 0-based index in the Event table for the events in the
5101 * type. The last event that belongs to the type (plus 1) is stored
5102 * in the @end_idx pointer.
5105 mono_metadata_events_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5109 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_EVENTMAP];
5117 loc.col_idx = MONO_EVENT_MAP_PARENT;
5118 loc.idx = index + 1;
5120 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5123 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_EVENT_MAP_EVENTLIST);
5124 if (loc.result + 1 < tdef->rows) {
5125 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_EVENT_MAP_EVENTLIST) - 1;
5127 end = meta->tables [MONO_TABLE_EVENT].rows;
5135 * mono_metadata_methods_from_event:
5136 * @meta: metadata context
5137 * @index: 0-based index (in the Event table) describing a event
5139 * Returns: the 0-based index in the MethodDef table for the methods in the
5140 * event. The last method that belongs to the event (plus 1) is stored
5141 * in the @end_idx pointer.
5144 mono_metadata_methods_from_event (MonoImage *meta, guint32 index, guint *end_idx)
5148 guint32 cols [MONO_METHOD_SEMA_SIZE];
5149 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5155 if (meta->uncompressed_metadata)
5156 index = search_ptr_table (meta, MONO_TABLE_EVENT_POINTER, index + 1) - 1;
5159 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5160 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_EVENT; /* Method association coded index */
5162 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5167 * We may end up in the middle of the rows...
5170 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5176 while (end < msemt->rows) {
5177 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5178 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5187 * mono_metadata_properties_from_typedef:
5188 * @meta: metadata context
5189 * @index: 0-based index (in the TypeDef table) describing a type
5191 * Returns: the 0-based index in the Property table for the properties in the
5192 * type. The last property that belongs to the type (plus 1) is stored
5193 * in the @end_idx pointer.
5196 mono_metadata_properties_from_typedef (MonoImage *meta, guint32 index, guint *end_idx)
5200 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_PROPERTYMAP];
5208 loc.col_idx = MONO_PROPERTY_MAP_PARENT;
5209 loc.idx = index + 1;
5211 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5214 start = mono_metadata_decode_row_col (tdef, loc.result, MONO_PROPERTY_MAP_PROPERTY_LIST);
5215 if (loc.result + 1 < tdef->rows) {
5216 end = mono_metadata_decode_row_col (tdef, loc.result + 1, MONO_PROPERTY_MAP_PROPERTY_LIST) - 1;
5218 end = meta->tables [MONO_TABLE_PROPERTY].rows;
5226 * mono_metadata_methods_from_property:
5227 * @meta: metadata context
5228 * @index: 0-based index (in the PropertyDef table) describing a property
5230 * Returns: the 0-based index in the MethodDef table for the methods in the
5231 * property. The last method that belongs to the property (plus 1) is stored
5232 * in the @end_idx pointer.
5235 mono_metadata_methods_from_property (MonoImage *meta, guint32 index, guint *end_idx)
5239 guint32 cols [MONO_METHOD_SEMA_SIZE];
5240 MonoTableInfo *msemt = &meta->tables [MONO_TABLE_METHODSEMANTICS];
5246 if (meta->uncompressed_metadata)
5247 index = search_ptr_table (meta, MONO_TABLE_PROPERTY_POINTER, index + 1) - 1;
5250 loc.col_idx = MONO_METHOD_SEMA_ASSOCIATION;
5251 loc.idx = ((index + 1) << MONO_HAS_SEMANTICS_BITS) | MONO_HAS_SEMANTICS_PROPERTY; /* Method association coded index */
5253 if (!mono_binary_search (&loc, msemt->base, msemt->rows, msemt->row_size, table_locator))
5258 * We may end up in the middle of the rows...
5261 if (loc.idx == mono_metadata_decode_row_col (msemt, start - 1, MONO_METHOD_SEMA_ASSOCIATION))
5267 while (end < msemt->rows) {
5268 mono_metadata_decode_row (msemt, end, cols, MONO_METHOD_SEMA_SIZE);
5269 if (cols [MONO_METHOD_SEMA_ASSOCIATION] != loc.idx)
5278 mono_metadata_implmap_from_method (MonoImage *meta, guint32 method_idx)
5281 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_IMPLMAP];
5286 /* No index translation seems to be needed */
5289 loc.col_idx = MONO_IMPLMAP_MEMBER;
5290 loc.idx = ((method_idx + 1) << MONO_MEMBERFORWD_BITS) | MONO_MEMBERFORWD_METHODDEF;
5292 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5295 return loc.result + 1;
5299 * @image: context where the image is created
5300 * @type_spec: typespec token
5301 * @deprecated use mono_type_create_from_typespec_checked that has proper error handling
5303 * Creates a MonoType representing the TypeSpec indexed by the @type_spec
5307 mono_type_create_from_typespec (MonoImage *image, guint32 type_spec)
5310 MonoType *type = mono_type_create_from_typespec_checked (image, type_spec, &error);
5312 mono_loader_set_error_from_mono_error (&error);
5313 mono_error_cleanup (&error); /* FIXME don't swallow error*/
5319 mono_type_create_from_typespec_checked (MonoImage *image, guint32 type_spec, MonoError *error)
5322 guint32 idx = mono_metadata_token_index (type_spec);
5324 guint32 cols [MONO_TYPESPEC_SIZE];
5327 MonoType *type, *type2;
5329 mono_error_init (error);
5331 mono_image_lock (image);
5332 type = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5333 mono_image_unlock (image);
5337 t = &image->tables [MONO_TABLE_TYPESPEC];
5339 mono_metadata_decode_row (t, idx-1, cols, MONO_TYPESPEC_SIZE);
5340 ptr = mono_metadata_blob_heap (image, cols [MONO_TYPESPEC_SIGNATURE]);
5342 if (!mono_verifier_verify_typespec_signature (image, cols [MONO_TYPESPEC_SIGNATURE], type_spec, NULL)) {
5343 mono_error_set_bad_image (error, image, "Could not verify type spec %08x.", type_spec);
5347 len = mono_metadata_decode_value (ptr, &ptr);
5349 type = mono_metadata_parse_type_internal (image, NULL, MONO_PARSE_TYPE, 0, TRUE, ptr, &ptr);
5351 if (mono_loader_get_last_error ())
5352 mono_error_set_from_loader_error (error);
5354 mono_error_set_bad_image (error, image, "Could not parse type spec %08x.", type_spec);
5358 type2 = mono_metadata_type_dup (image, type);
5359 mono_metadata_free_type (type);
5361 mono_image_lock (image);
5362 type = g_hash_table_lookup (image->typespec_cache, GUINT_TO_POINTER (type_spec));
5363 /* We might leak some data in the image mempool if found */
5365 g_hash_table_insert (image->typespec_cache, GUINT_TO_POINTER (type_spec), type2);
5368 mono_image_unlock (image);
5375 mono_image_strndup (MonoImage *image, const char *data, guint len)
5379 return g_strndup (data, len);
5380 res = mono_image_alloc (image, len + 1);
5381 memcpy (res, data, len);
5387 mono_metadata_parse_marshal_spec (MonoImage *image, const char *ptr)
5389 return mono_metadata_parse_marshal_spec_full (NULL, image, ptr);
5393 * If IMAGE is non-null, memory will be allocated from its mempool, otherwise it will be allocated using malloc.
5394 * PARENT_IMAGE is the image containing the marshal spec.
5397 mono_metadata_parse_marshal_spec_full (MonoImage *image, MonoImage *parent_image, const char *ptr)
5399 MonoMarshalSpec *res;
5401 const char *start = ptr;
5403 /* fixme: this is incomplete, but I cant find more infos in the specs */
5406 res = mono_image_alloc0 (image, sizeof (MonoMarshalSpec));
5408 res = g_new0 (MonoMarshalSpec, 1);
5410 len = mono_metadata_decode_value (ptr, &ptr);
5411 res->native = *ptr++;
5413 if (res->native == MONO_NATIVE_LPARRAY) {
5414 res->data.array_data.param_num = -1;
5415 res->data.array_data.num_elem = -1;
5416 res->data.array_data.elem_mult = -1;
5418 if (ptr - start <= len)
5419 res->data.array_data.elem_type = *ptr++;
5420 if (ptr - start <= len)
5421 res->data.array_data.param_num = mono_metadata_decode_value (ptr, &ptr);
5422 if (ptr - start <= len)
5423 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5424 if (ptr - start <= len) {
5426 * LAMESPEC: Older spec versions say this parameter comes before
5427 * num_elem. Never spec versions don't talk about elem_mult at
5428 * all, but csc still emits it, and it is used to distinguish
5429 * between param_num being 0, and param_num being omitted.
5430 * So if (param_num == 0) && (num_elem > 0), then
5431 * elem_mult == 0 -> the array size is num_elem
5432 * elem_mult == 1 -> the array size is @param_num + num_elem
5434 res->data.array_data.elem_mult = mono_metadata_decode_value (ptr, &ptr);
5438 if (res->native == MONO_NATIVE_BYVALTSTR) {
5439 if (ptr - start <= len)
5440 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5443 if (res->native == MONO_NATIVE_BYVALARRAY) {
5444 if (ptr - start <= len)
5445 res->data.array_data.num_elem = mono_metadata_decode_value (ptr, &ptr);
5448 if (res->native == MONO_NATIVE_CUSTOM) {
5449 /* skip unused type guid */
5450 len = mono_metadata_decode_value (ptr, &ptr);
5452 /* skip unused native type name */
5453 len = mono_metadata_decode_value (ptr, &ptr);
5455 /* read custom marshaler type name */
5456 len = mono_metadata_decode_value (ptr, &ptr);
5457 res->data.custom_data.custom_name = mono_image_strndup (image, ptr, len);
5459 /* read cookie string */
5460 len = mono_metadata_decode_value (ptr, &ptr);
5461 res->data.custom_data.cookie = mono_image_strndup (image, ptr, len);
5462 res->data.custom_data.image = parent_image;
5465 if (res->native == MONO_NATIVE_SAFEARRAY) {
5466 res->data.safearray_data.elem_type = 0;
5467 res->data.safearray_data.num_elem = 0;
5468 if (ptr - start <= len)
5469 res->data.safearray_data.elem_type = *ptr++;
5470 if (ptr - start <= len)
5471 res->data.safearray_data.num_elem = *ptr++;
5477 mono_metadata_free_marshal_spec (MonoMarshalSpec *spec)
5479 if (spec->native == MONO_NATIVE_CUSTOM) {
5480 g_free (spec->data.custom_data.custom_name);
5481 g_free (spec->data.custom_data.cookie);
5487 * mono_type_to_unmanaged:
5489 * Returns: A MonoMarshalNative enumeration value (MONO_NATIVE_) value
5490 * describing the underlying native reprensetation of the type.
5492 * In addition the value pointed by
5493 * "conv" will contain the kind of marshalling required for this
5494 * particular type one of the MONO_MARSHAL_CONV_ enumeration values.
5497 mono_type_to_unmanaged (MonoType *type, MonoMarshalSpec *mspec, gboolean as_field,
5498 gboolean unicode, MonoMarshalConv *conv)
5500 MonoMarshalConv dummy_conv;
5506 *conv = MONO_MARSHAL_CONV_NONE;
5509 return MONO_NATIVE_UINT;
5513 case MONO_TYPE_BOOLEAN:
5515 switch (mspec->native) {
5516 case MONO_NATIVE_VARIANTBOOL:
5517 *conv = MONO_MARSHAL_CONV_BOOL_VARIANTBOOL;
5518 return MONO_NATIVE_VARIANTBOOL;
5519 case MONO_NATIVE_BOOLEAN:
5520 *conv = MONO_MARSHAL_CONV_BOOL_I4;
5521 return MONO_NATIVE_BOOLEAN;
5522 case MONO_NATIVE_I1:
5523 case MONO_NATIVE_U1:
5524 return mspec->native;
5526 g_error ("cant marshal bool to native type %02x", mspec->native);
5529 *conv = MONO_MARSHAL_CONV_BOOL_I4;
5530 return MONO_NATIVE_BOOLEAN;
5531 case MONO_TYPE_CHAR:
5533 switch (mspec->native) {
5534 case MONO_NATIVE_U2:
5535 case MONO_NATIVE_U1:
5536 return mspec->native;
5538 g_error ("cant marshal char to native type %02x", mspec->native);
5541 return unicode ? MONO_NATIVE_U2 : MONO_NATIVE_U1;
5542 case MONO_TYPE_I1: return MONO_NATIVE_I1;
5543 case MONO_TYPE_U1: return MONO_NATIVE_U1;
5544 case MONO_TYPE_I2: return MONO_NATIVE_I2;
5545 case MONO_TYPE_U2: return MONO_NATIVE_U2;
5546 case MONO_TYPE_I4: return MONO_NATIVE_I4;
5547 case MONO_TYPE_U4: return MONO_NATIVE_U4;
5548 case MONO_TYPE_I8: return MONO_NATIVE_I8;
5549 case MONO_TYPE_U8: return MONO_NATIVE_U8;
5550 case MONO_TYPE_R4: return MONO_NATIVE_R4;
5551 case MONO_TYPE_R8: return MONO_NATIVE_R8;
5552 case MONO_TYPE_STRING:
5554 switch (mspec->native) {
5555 case MONO_NATIVE_BSTR:
5556 *conv = MONO_MARSHAL_CONV_STR_BSTR;
5557 return MONO_NATIVE_BSTR;
5558 case MONO_NATIVE_LPSTR:
5559 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
5560 return MONO_NATIVE_LPSTR;
5561 case MONO_NATIVE_LPWSTR:
5562 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
5563 return MONO_NATIVE_LPWSTR;
5564 case MONO_NATIVE_LPTSTR:
5565 *conv = MONO_MARSHAL_CONV_STR_LPTSTR;
5566 return MONO_NATIVE_LPTSTR;
5567 case MONO_NATIVE_ANSIBSTR:
5568 *conv = MONO_MARSHAL_CONV_STR_ANSIBSTR;
5569 return MONO_NATIVE_ANSIBSTR;
5570 case MONO_NATIVE_TBSTR:
5571 *conv = MONO_MARSHAL_CONV_STR_TBSTR;
5572 return MONO_NATIVE_TBSTR;
5573 case MONO_NATIVE_BYVALTSTR:
5575 *conv = MONO_MARSHAL_CONV_STR_BYVALWSTR;
5577 *conv = MONO_MARSHAL_CONV_STR_BYVALSTR;
5578 return MONO_NATIVE_BYVALTSTR;
5580 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);
5584 *conv = MONO_MARSHAL_CONV_STR_LPWSTR;
5585 return MONO_NATIVE_LPWSTR;
5588 *conv = MONO_MARSHAL_CONV_STR_LPSTR;
5589 return MONO_NATIVE_LPSTR;
5591 case MONO_TYPE_PTR: return MONO_NATIVE_UINT;
5592 case MONO_TYPE_VALUETYPE: /*FIXME*/
5593 if (type->data.klass->enumtype) {
5594 t = mono_class_enum_basetype (type->data.klass)->type;
5597 if (type->data.klass == mono_defaults.handleref_class){
5598 *conv = MONO_MARSHAL_CONV_HANDLEREF;
5599 return MONO_NATIVE_INT;
5601 return MONO_NATIVE_STRUCT;
5602 case MONO_TYPE_SZARRAY:
5603 case MONO_TYPE_ARRAY:
5605 switch (mspec->native) {
5606 case MONO_NATIVE_BYVALARRAY:
5607 if ((type->data.klass->element_class == mono_defaults.char_class) && !unicode)
5608 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY;
5610 *conv = MONO_MARSHAL_CONV_ARRAY_BYVALARRAY;
5611 return MONO_NATIVE_BYVALARRAY;
5612 case MONO_NATIVE_SAFEARRAY:
5613 *conv = MONO_MARSHAL_CONV_ARRAY_SAVEARRAY;
5614 return MONO_NATIVE_SAFEARRAY;
5615 case MONO_NATIVE_LPARRAY:
5616 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
5617 return MONO_NATIVE_LPARRAY;
5619 g_error ("cant marshal array as native type %02x", mspec->native);
5623 *conv = MONO_MARSHAL_CONV_ARRAY_LPARRAY;
5624 return MONO_NATIVE_LPARRAY;
5625 case MONO_TYPE_I: return MONO_NATIVE_INT;
5626 case MONO_TYPE_U: return MONO_NATIVE_UINT;
5627 case MONO_TYPE_CLASS:
5628 case MONO_TYPE_OBJECT: {
5629 /* FIXME : we need to handle ArrayList and StringBuilder here, probably */
5631 switch (mspec->native) {
5632 case MONO_NATIVE_STRUCT:
5633 return MONO_NATIVE_STRUCT;
5634 case MONO_NATIVE_CUSTOM:
5635 return MONO_NATIVE_CUSTOM;
5636 case MONO_NATIVE_INTERFACE:
5637 *conv = MONO_MARSHAL_CONV_OBJECT_INTERFACE;
5638 return MONO_NATIVE_INTERFACE;
5639 case MONO_NATIVE_IDISPATCH:
5640 *conv = MONO_MARSHAL_CONV_OBJECT_IDISPATCH;
5641 return MONO_NATIVE_IDISPATCH;
5642 case MONO_NATIVE_IUNKNOWN:
5643 *conv = MONO_MARSHAL_CONV_OBJECT_IUNKNOWN;
5644 return MONO_NATIVE_IUNKNOWN;
5645 case MONO_NATIVE_FUNC:
5646 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
5647 type->data.klass == mono_defaults.delegate_class ||
5648 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
5649 *conv = MONO_MARSHAL_CONV_DEL_FTN;
5650 return MONO_NATIVE_FUNC;
5654 g_error ("cant marshal object as native type %02x", mspec->native);
5657 if (t == MONO_TYPE_CLASS && (type->data.klass == mono_defaults.multicastdelegate_class ||
5658 type->data.klass == mono_defaults.delegate_class ||
5659 type->data.klass->parent == mono_defaults.multicastdelegate_class)) {
5660 *conv = MONO_MARSHAL_CONV_DEL_FTN;
5661 return MONO_NATIVE_FUNC;
5663 if (mono_defaults.safehandle_class && type->data.klass == mono_defaults.safehandle_class){
5664 *conv = MONO_MARSHAL_CONV_SAFEHANDLE;
5665 return MONO_NATIVE_INT;
5667 *conv = MONO_MARSHAL_CONV_OBJECT_STRUCT;
5668 return MONO_NATIVE_STRUCT;
5670 case MONO_TYPE_FNPTR: return MONO_NATIVE_FUNC;
5671 case MONO_TYPE_GENERICINST:
5672 type = &type->data.generic_class->container_class->byval_arg;
5675 case MONO_TYPE_TYPEDBYREF:
5677 g_error ("type 0x%02x not handled in marshal", t);
5679 return MONO_NATIVE_MAX;
5683 mono_metadata_get_marshal_info (MonoImage *meta, guint32 idx, gboolean is_field)
5686 MonoTableInfo *tdef = &meta->tables [MONO_TABLE_FIELDMARSHAL];
5692 loc.col_idx = MONO_FIELD_MARSHAL_PARENT;
5693 loc.idx = ((idx + 1) << MONO_HAS_FIELD_MARSHAL_BITS) | (is_field? MONO_HAS_FIELD_MARSHAL_FIELDSREF: MONO_HAS_FIELD_MARSHAL_PARAMDEF);
5695 /* FIXME: Index translation */
5697 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5700 return mono_metadata_blob_heap (meta, mono_metadata_decode_row_col (tdef, loc.result, MONO_FIELD_MARSHAL_NATIVE_TYPE));
5704 method_from_method_def_or_ref (MonoImage *m, guint32 tok, MonoGenericContext *context)
5706 guint32 idx = tok >> MONO_METHODDEFORREF_BITS;
5708 switch (tok & MONO_METHODDEFORREF_MASK) {
5709 case MONO_METHODDEFORREF_METHODDEF:
5710 return mono_get_method_full (m, MONO_TOKEN_METHOD_DEF | idx, NULL, context);
5711 case MONO_METHODDEFORREF_METHODREF:
5712 return mono_get_method_full (m, MONO_TOKEN_MEMBER_REF | idx, NULL, context);
5714 g_assert_not_reached ();
5719 * mono_class_get_overrides_full:
5721 * Return the method overrides belonging to class @type_token in @overrides, and
5722 * the number of overrides in @num_overrides.
5724 * Returns: TRUE on success, FALSE on failure.
5727 mono_class_get_overrides_full (MonoImage *image, guint32 type_token, MonoMethod ***overrides, gint32 *num_overrides,
5728 MonoGenericContext *generic_context)
5732 MonoTableInfo *tdef = &image->tables [MONO_TABLE_METHODIMPL];
5735 guint32 cols [MONO_METHODIMPL_SIZE];
5736 MonoMethod **result;
5747 loc.col_idx = MONO_METHODIMPL_CLASS;
5748 loc.idx = mono_metadata_token_index (type_token);
5750 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5756 * We may end up in the middle of the rows...
5759 if (loc.idx == mono_metadata_decode_row_col (tdef, start - 1, MONO_METHODIMPL_CLASS))
5764 while (end < tdef->rows) {
5765 if (loc.idx == mono_metadata_decode_row_col (tdef, end, MONO_METHODIMPL_CLASS))
5771 result = g_new (MonoMethod*, num * 2);
5772 for (i = 0; i < num; ++i) {
5775 if (!mono_verifier_verify_methodimpl_row (image, start + i, &error)) {
5776 mono_error_cleanup (&error);
5781 mono_metadata_decode_row (tdef, start + i, cols, MONO_METHODIMPL_SIZE);
5782 method = method_from_method_def_or_ref (
5783 image, cols [MONO_METHODIMPL_DECLARATION], generic_context);
5786 result [i * 2] = method;
5787 method = method_from_method_def_or_ref (
5788 image, cols [MONO_METHODIMPL_BODY], generic_context);
5791 result [i * 2 + 1] = method;
5794 *overrides = result;
5796 *num_overrides = num;
5801 * mono_guid_to_string:
5803 * Converts a 16 byte Microsoft GUID to the standard string representation.
5806 mono_guid_to_string (const guint8 *guid)
5808 return g_strdup_printf ("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
5809 guid[3], guid[2], guid[1], guid[0],
5813 guid[10], guid[11], guid[12], guid[13], guid[14], guid[15]);
5817 get_constraints (MonoImage *image, int owner, MonoClass ***constraints, MonoGenericContainer *container, MonoError *error)
5819 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAMCONSTRAINT];
5820 guint32 cols [MONO_GENPARCONSTRAINT_SIZE];
5821 guint32 i, token, found;
5822 MonoClass *klass, **res;
5823 GSList *cons = NULL, *tmp;
5824 MonoGenericContext *context = &container->context;
5826 mono_error_init (error);
5828 *constraints = NULL;
5830 for (i = 0; i < tdef->rows; ++i) {
5831 mono_metadata_decode_row (tdef, i, cols, MONO_GENPARCONSTRAINT_SIZE);
5832 if (cols [MONO_GENPARCONSTRAINT_GENERICPAR] == owner) {
5833 token = mono_metadata_token_from_dor (cols [MONO_GENPARCONSTRAINT_CONSTRAINT]);
5834 klass = mono_class_get_and_inflate_typespec_checked (image, token, context, error);
5836 g_slist_free (cons);
5839 cons = g_slist_append (cons, klass);
5842 /* contiguous list finished */
5849 res = mono_image_alloc0 (image, sizeof (MonoClass*) * (found + 1));
5850 for (i = 0, tmp = cons; i < found; ++i, tmp = tmp->next) {
5851 res [i] = tmp->data;
5853 g_slist_free (cons);
5859 * mono_metadata_get_generic_param_row:
5862 * @token: TypeOrMethodDef token, owner for GenericParam
5863 * @owner: coded token, set on return
5865 * Returns: 1-based row-id in the GenericParam table whose
5866 * owner is @token. 0 if not found.
5869 mono_metadata_get_generic_param_row (MonoImage *image, guint32 token, guint32 *owner)
5871 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5878 if (mono_metadata_token_table (token) == MONO_TABLE_TYPEDEF)
5879 *owner = MONO_TYPEORMETHOD_TYPE;
5880 else if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5881 *owner = MONO_TYPEORMETHOD_METHOD;
5883 g_error ("wrong token %x to get_generic_param_row", token);
5886 *owner |= mono_metadata_token_index (token) << MONO_TYPEORMETHOD_BITS;
5889 loc.col_idx = MONO_GENERICPARAM_OWNER;
5892 if (!mono_binary_search (&loc, tdef->base, tdef->rows, tdef->row_size, table_locator))
5895 /* Find the first entry by searching backwards */
5896 while ((loc.result > 0) && (mono_metadata_decode_row_col (tdef, loc.result - 1, MONO_GENERICPARAM_OWNER) == loc.idx))
5899 return loc.result + 1;
5903 mono_metadata_has_generic_params (MonoImage *image, guint32 token)
5906 return mono_metadata_get_generic_param_row (image, token, &owner);
5910 * Memory is allocated from IMAGE's mempool.
5913 mono_metadata_load_generic_param_constraints_checked (MonoImage *image, guint32 token,
5914 MonoGenericContainer *container, MonoError *error)
5917 guint32 start_row, i, owner;
5918 mono_error_init (error);
5920 if (! (start_row = mono_metadata_get_generic_param_row (image, token, &owner)))
5922 for (i = 0; i < container->type_argc; i++) {
5923 if (!get_constraints (image, start_row + i, &mono_generic_container_get_param_info (container, i)->constraints, container, error)) {
5924 g_assert (!mono_loader_get_last_error ());
5932 * mono_metadata_load_generic_params:
5934 * Load the type parameters from the type or method definition @token.
5936 * Use this method after parsing a type or method definition to figure out whether it's a generic
5937 * type / method. When parsing a method definition, @parent_container points to the generic container
5938 * of the current class, if any.
5940 * Note: This method does not load the constraints: for typedefs, this has to be done after fully
5941 * creating the type.
5943 * Returns: NULL if @token is not a generic type or method definition or the new generic container.
5945 * LOCKING: Acquires the loader lock
5948 MonoGenericContainer *
5949 mono_metadata_load_generic_params (MonoImage *image, guint32 token, MonoGenericContainer *parent_container)
5951 MonoTableInfo *tdef = &image->tables [MONO_TABLE_GENERICPARAM];
5952 guint32 cols [MONO_GENERICPARAM_SIZE];
5953 guint32 i, owner = 0, n;
5954 MonoGenericContainer *container;
5955 MonoGenericParamFull *params;
5956 MonoGenericContext *context;
5958 if (!(i = mono_metadata_get_generic_param_row (image, token, &owner)))
5960 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5963 container = mono_image_alloc0 (image, sizeof (MonoGenericContainer));
5964 container->image = image;
5967 params = g_realloc (params, sizeof (MonoGenericParamFull) * n);
5968 memset (¶ms [n - 1], 0, sizeof (MonoGenericParamFull));
5969 params [n - 1].param.owner = container;
5970 params [n - 1].param.num = cols [MONO_GENERICPARAM_NUMBER];
5971 params [n - 1].info.token = i | MONO_TOKEN_GENERIC_PARAM;
5972 params [n - 1].info.flags = cols [MONO_GENERICPARAM_FLAGS];
5973 params [n - 1].info.name = mono_metadata_string_heap (image, cols [MONO_GENERICPARAM_NAME]);
5974 if (params [n - 1].param.num != n - 1)
5975 g_warning ("GenericParam table unsorted or hole in generic param sequence: token %d", i);
5976 if (++i > tdef->rows)
5978 mono_metadata_decode_row (tdef, i - 1, cols, MONO_GENERICPARAM_SIZE);
5979 } while (cols [MONO_GENERICPARAM_OWNER] == owner);
5981 container->type_argc = n;
5982 container->type_params = mono_image_alloc0 (image, sizeof (MonoGenericParamFull) * n);
5983 memcpy (container->type_params, params, sizeof (MonoGenericParamFull) * n);
5985 container->parent = parent_container;
5987 if (mono_metadata_token_table (token) == MONO_TABLE_METHOD)
5988 container->is_method = 1;
5990 g_assert (container->parent == NULL || container->is_method);
5992 context = &container->context;
5993 if (container->is_method) {
5994 context->class_inst = container->parent ? container->parent->context.class_inst : NULL;
5995 context->method_inst = mono_get_shared_generic_inst (container);
5997 context->class_inst = mono_get_shared_generic_inst (container);
6004 mono_get_shared_generic_inst (MonoGenericContainer *container)
6006 MonoType **type_argv;
6008 MonoGenericInst *nginst;
6011 type_argv = g_new0 (MonoType *, container->type_argc);
6012 helper = g_new0 (MonoType, container->type_argc);
6014 for (i = 0; i < container->type_argc; i++) {
6015 MonoType *t = &helper [i];
6017 t->type = container->is_method ? MONO_TYPE_MVAR : MONO_TYPE_VAR;
6018 t->data.generic_param = mono_generic_container_get_param (container, i);
6023 nginst = mono_metadata_get_generic_inst (container->type_argc, type_argv);
6032 * mono_type_is_byref:
6033 * @type: the MonoType operated on
6035 * Returns: #TRUE if @type represents a type passed by reference,
6039 mono_type_is_byref (MonoType *type)
6045 * mono_type_get_type:
6046 * @type: the MonoType operated on
6048 * Returns: the IL type value for @type. This is one of the MonoTypeEnum
6049 * enum members like MONO_TYPE_I4 or MONO_TYPE_STRING.
6052 mono_type_get_type (MonoType *type)
6058 * mono_type_get_signature:
6059 * @type: the MonoType operated on
6061 * It is only valid to call this function if @type is a MONO_TYPE_FNPTR.
6063 * Returns: the MonoMethodSignature pointer that describes the signature
6064 * of the function pointer @type represents.
6066 MonoMethodSignature*
6067 mono_type_get_signature (MonoType *type)
6069 g_assert (type->type == MONO_TYPE_FNPTR);
6070 return type->data.method;
6074 * mono_type_get_class:
6075 * @type: the MonoType operated on
6077 * It is only valid to call this function if @type is a MONO_TYPE_CLASS or a
6078 * MONO_TYPE_VALUETYPE. For more general functionality, use mono_class_from_mono_type (),
6081 * Returns: the MonoClass pointer that describes the class that @type represents.
6084 mono_type_get_class (MonoType *type)
6086 /* FIXME: review the runtime users before adding the assert here */
6087 return type->data.klass;
6091 * mono_type_get_array_type:
6092 * @type: the MonoType operated on
6094 * It is only valid to call this function if @type is a MONO_TYPE_ARRAY.
6096 * Returns: a MonoArrayType struct describing the array type that @type
6097 * represents. The info includes details such as rank, array element type
6098 * and the sizes and bounds of multidimensional arrays.
6101 mono_type_get_array_type (MonoType *type)
6103 return type->data.array;
6107 * mono_type_get_ptr_type:
6108 * @type: the MonoType operated on
6110 * It is only valid to call this function if @type is a MONO_TYPE_PTR.
6113 * Returns: the MonoType pointer that describes the type that @type
6114 * represents a pointer to.
6117 mono_type_get_ptr_type (MonoType *type)
6119 g_assert (type->type == MONO_TYPE_PTR);
6120 return type->data.type;
6124 mono_type_get_modifiers (MonoType *type, gboolean *is_required, gpointer *iter)
6126 /* FIXME: implement */
6131 * mono_type_is_struct:
6132 * @type: the MonoType operated on
6134 * Returns: #TRUE is @type is a struct, that is a ValueType but not en enum
6135 * or a basic type like System.Int32. #FALSE otherwise.
6138 mono_type_is_struct (MonoType *type)
6140 return (!type->byref && ((type->type == MONO_TYPE_VALUETYPE &&
6141 !type->data.klass->enumtype) || (type->type == MONO_TYPE_TYPEDBYREF) ||
6142 ((type->type == MONO_TYPE_GENERICINST) &&
6143 mono_metadata_generic_class_is_valuetype (type->data.generic_class) &&
6144 !type->data.generic_class->container_class->enumtype)));
6148 * mono_type_is_void:
6149 * @type: the MonoType operated on
6151 * Returns: #TRUE is @type is System.Void. #FALSE otherwise.
6154 mono_type_is_void (MonoType *type)
6156 return (type && (type->type == MONO_TYPE_VOID) && !type->byref);
6160 * mono_type_is_pointer:
6161 * @type: the MonoType operated on
6163 * Returns: #TRUE is @type is a managed or unmanaged pointer type. #FALSE otherwise.
6166 mono_type_is_pointer (MonoType *type)
6168 return (type && ((type->byref || (type->type == MONO_TYPE_I) || type->type == MONO_TYPE_STRING)
6169 || (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6170 (type->type == MONO_TYPE_U) || (type->type == MONO_TYPE_OBJECT) ||
6171 (type->type == MONO_TYPE_ARRAY) || (type->type == MONO_TYPE_PTR) ||
6172 (type->type == MONO_TYPE_FNPTR)));
6176 * mono_type_is_reference:
6177 * @type: the MonoType operated on
6179 * Returns: #TRUE is @type represents an object reference . #FALSE otherwise.
6182 mono_type_is_reference (MonoType *type)
6184 return (type && (((type->type == MONO_TYPE_STRING) ||
6185 (type->type == MONO_TYPE_SZARRAY) || (type->type == MONO_TYPE_CLASS) ||
6186 (type->type == MONO_TYPE_OBJECT) || (type->type == MONO_TYPE_ARRAY)) ||
6187 ((type->type == MONO_TYPE_GENERICINST) &&
6188 !mono_metadata_generic_class_is_valuetype (type->data.generic_class))));
6192 * mono_signature_get_return_type:
6193 * @sig: the method signature inspected
6195 * Returns: the return type of the method signature @sig
6198 mono_signature_get_return_type (MonoMethodSignature *sig)
6204 * mono_signature_get_params:
6205 * @sig: the method signature inspected
6206 * #iter: pointer to an iterator
6208 * Iterates over the parameters for the method signature @sig.
6209 * A void* pointer must be initualized to #NULL to start the iteration
6210 * and it's address is passed to this function repeteadly until it returns
6213 * Returns: the next parameter type of the method signature @sig,
6214 * #NULL when finished.
6217 mono_signature_get_params (MonoMethodSignature *sig, gpointer *iter)
6223 /* start from the first */
6224 if (sig->param_count) {
6225 *iter = &sig->params [0];
6226 return sig->params [0];
6234 if (type < &sig->params [sig->param_count]) {
6242 * mono_signature_get_param_count:
6243 * @sig: the method signature inspected
6245 * Returns: the number of parameters in the method signature @sig.
6248 mono_signature_get_param_count (MonoMethodSignature *sig)
6250 return sig->param_count;
6254 * mono_signature_get_call_conv:
6255 * @sig: the method signature inspected
6257 * Returns: the call convention of the method signature @sig.
6260 mono_signature_get_call_conv (MonoMethodSignature *sig)
6262 return sig->call_convention;
6266 * mono_signature_vararg_start:
6267 * @sig: the method signature inspected
6269 * Returns: the number of the first vararg parameter in the
6270 * method signature @sig. -1 if this is not a vararg signature.
6273 mono_signature_vararg_start (MonoMethodSignature *sig)
6275 return sig->sentinelpos;
6279 * mono_signature_is_instance:
6280 * @sig: the method signature inspected
6282 * Returns: #TRUE if this the method signature @sig has an implicit
6283 * first instance argument. #FALSE otherwise.
6286 mono_signature_is_instance (MonoMethodSignature *sig)
6288 return sig->hasthis;
6292 * mono_signature_param_is_out
6293 * @sig: the method signature inspected
6294 * @param_num: the 0-based index of the inspected parameter
6296 * Returns: #TRUE if the parameter is an out parameter, #FALSE
6300 mono_signature_param_is_out (MonoMethodSignature *sig, int param_num)
6302 g_assert (param_num >= 0 && param_num < sig->param_count);
6303 return (sig->params [param_num]->attrs & PARAM_ATTRIBUTE_OUT) != 0;
6307 * mono_signature_explicit_this:
6308 * @sig: the method signature inspected
6310 * Returns: #TRUE if this the method signature @sig has an explicit
6311 * instance argument. #FALSE otherwise.
6314 mono_signature_explicit_this (MonoMethodSignature *sig)
6316 return sig->explicit_this;
6319 /* for use with allocated memory blocks (assumes alignment is to 8 bytes) */
6321 mono_aligned_addr_hash (gconstpointer ptr)
6323 return GPOINTER_TO_UINT (ptr) >> 3;
6327 * If @field belongs to an inflated generic class, return the corresponding field of the
6328 * generic type definition class.
6331 mono_metadata_get_corresponding_field_from_generic_type_definition (MonoClassField *field)
6336 if (!field->parent->generic_class)
6339 gtd = field->parent->generic_class->container_class;
6340 offset = field - field->parent->fields;
6341 return gtd->fields + offset;
6345 * If @event belongs to an inflated generic class, return the corresponding event of the
6346 * generic type definition class.
6349 mono_metadata_get_corresponding_event_from_generic_type_definition (MonoEvent *event)
6354 if (!event->parent->generic_class)
6357 gtd = event->parent->generic_class->container_class;
6358 offset = event - event->parent->ext->events;
6359 return gtd->ext->events + offset;
6363 * If @property belongs to an inflated generic class, return the corresponding property of the
6364 * generic type definition class.
6367 mono_metadata_get_corresponding_property_from_generic_type_definition (MonoProperty *property)
6372 if (!property->parent->generic_class)
6375 gtd = property->parent->generic_class->container_class;
6376 offset = property - property->parent->ext->properties;
6377 return gtd->ext->properties + offset;