2 * loader.c: Image Loader
5 * Paolo Molaro (lupus@ximian.com)
6 * Miguel de Icaza (miguel@ximian.com)
7 * Patrik Torstensson (patrik.torstensson@labs2.com)
9 * (C) 2001 Ximian, Inc.
11 * This file is used by the interpreter and the JIT engine to locate
12 * assemblies. Used to load AssemblyRef and later to resolve various
16 * This should keep track of the assembly versions that we are loading.
25 #include <mono/metadata/metadata.h>
26 #include <mono/metadata/image.h>
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/tokentype.h>
29 #include <mono/metadata/cil-coff.h>
30 #include <mono/metadata/tabledefs.h>
31 #include <mono/metadata/loader.h>
32 #include <mono/metadata/class.h>
33 #include <mono/metadata/debug-helpers.h>
34 #include <mono/metadata/reflection.h>
36 MonoDefaults mono_defaults;
38 CRITICAL_SECTION loader_mutex;
43 InitializeCriticalSection (&loader_mutex);
46 static MonoClassField*
47 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
48 MonoGenericContext *context)
51 MonoTableInfo *tables = image->tables;
53 guint32 nindex, class;
56 guint32 idx = mono_metadata_token_index (token);
59 MonoClassField *result = mono_lookup_dynamic_token (image, token);
60 *retklass = result->parent;
64 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
65 nindex = cols [MONO_MEMBERREF_CLASS] >> MEMBERREF_PARENT_BITS;
66 class = cols [MONO_MEMBERREF_CLASS] & MEMBERREF_PARENT_MASK;
68 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
70 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
71 mono_metadata_decode_blob_size (ptr, &ptr);
72 /* we may want to check the signature here... */
75 case MEMBERREF_PARENT_TYPEREF:
76 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
78 g_warning ("Missing field %s in typeref index %d", fname, nindex);
81 mono_class_init (klass);
84 return mono_class_get_field_from_name (klass, fname);
85 case MEMBERREF_PARENT_TYPESPEC: {
86 /*guint32 bcols [MONO_TYPESPEC_SIZE];
90 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
91 bcols, MONO_TYPESPEC_SIZE);
92 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
93 len = mono_metadata_decode_value (ptr, &ptr);
94 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
96 klass = mono_class_from_mono_type (type);
97 mono_class_init (klass);
98 g_print ("type in sig: %s\n", klass->name);*/
99 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
100 mono_class_init (klass);
103 return mono_class_get_field_from_name (klass, fname);
106 g_warning ("field load from %x", class);
112 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
113 MonoGenericContext *context)
117 MonoClassField *field;
119 if (image->dynamic) {
120 MonoClassField *result = mono_lookup_dynamic_token (image, token);
121 *retklass = result->parent;
126 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
127 *retklass = field->parent;
128 mono_loader_unlock ();
131 mono_loader_unlock ();
133 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
134 field = field_from_memberref (image, token, retklass, context);
136 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
139 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
145 field = mono_class_get_field (k, token);
149 if (!field->parent->generic_inst)
150 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
151 mono_loader_unlock ();
156 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
160 if (sig1->hasthis != sig2->hasthis ||
161 sig1->sentinelpos != sig2->sentinelpos)
164 for (i = 0; i < sig1->sentinelpos; i++) {
165 MonoType *p1 = sig1->params[i];
166 MonoType *p2 = sig2->params[i];
168 //if (p1->attrs != p2->attrs)
171 if (!mono_metadata_type_equal (p1, p2))
175 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
181 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
184 MonoClass *sclass = klass;
185 char *qname, *fqname;
188 qname = g_strconcat (ic->name, ".", name, NULL);
189 if (ic->name_space && ic->name_space [0])
190 fqname = g_strconcat (ic->name_space, ".", ic->name, ".", name, NULL);
194 qname = fqname = NULL;
197 for (i = 0; i < klass->method.count; ++i) {
198 MonoMethod *m = klass->methods [i];
200 if (!((fqname && !strcmp (m->name, fqname)) ||
201 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
204 if (sig->call_convention == MONO_CALL_VARARG) {
205 if (mono_metadata_signature_vararg_match (sig, m->signature))
208 if (mono_metadata_signature_equal (sig, m->signature))
213 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
216 klass = klass->parent;
219 if (sclass->generic_inst) {
223 gclass = mono_class_from_mono_type (sclass->generic_inst->generic_type);
224 mono_class_init (gclass);
226 res = find_method (gclass, ic, name, sig);
229 for (i = 0; i < res->klass->method.count; ++i) {
230 if (res == res->klass->methods [i]) {
231 return sclass->methods [i];
240 * token is the method_ref or method_def token used in a call IL instruction.
243 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
245 int table = mono_metadata_token_table (token);
246 int idx = mono_metadata_token_index (token);
247 guint32 cols [MONO_MEMBERREF_SIZE];
248 MonoMethodSignature *sig;
251 /* !table is for wrappers: we should really assign their own token to them */
252 if (!table || table == MONO_TABLE_METHOD)
253 return method->signature;
255 if (table == MONO_TABLE_METHODSPEC) {
256 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
257 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
259 g_assert (method->signature->is_inflated);
261 return method->signature;
264 if (method->klass->generic_inst)
265 return method->signature;
268 /* FIXME: This might be incorrect for vararg methods */
269 return method->signature;
271 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
273 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
274 mono_metadata_decode_blob_size (ptr, &ptr);
275 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
281 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *context)
285 MonoTableInfo *tables = image->tables;
287 guint32 nindex, class;
289 MonoMethodSignature *sig;
292 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
293 nindex = cols [MONO_MEMBERREF_CLASS] >> MEMBERREF_PARENT_BITS;
294 class = cols [MONO_MEMBERREF_CLASS] & MEMBERREF_PARENT_MASK;
295 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
296 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
298 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
300 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
301 mono_metadata_decode_blob_size (ptr, &ptr);
302 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
305 case MEMBERREF_PARENT_TYPEREF:
306 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
308 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
309 mono_metadata_free_method_signature (sig);
312 mono_class_init (klass);
313 method = find_method (klass, NULL, mname, sig);
315 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
316 mono_metadata_free_method_signature (sig);
318 case MEMBERREF_PARENT_TYPESPEC: {
319 guint32 bcols [MONO_TYPESPEC_SIZE];
325 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
326 type = &klass->byval_arg;
328 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
329 mono_class_init (klass);
330 method = find_method (klass, NULL, mname, sig);
332 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
333 else if (klass->generic_inst && (klass != method->klass))
334 method = mono_class_inflate_generic_method (
335 method, klass->generic_inst->context, klass);
336 mono_metadata_free_method_signature (sig);
340 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
341 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
342 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
343 result->signature = sig;
344 result->name = mname;
346 if (!strcmp (mname, ".ctor")) {
347 /* we special-case this in the runtime. */
352 if (!strcmp (mname, "Set")) {
353 g_assert (sig->hasthis);
354 g_assert (type->data.array->rank + 1 == sig->param_count);
355 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
360 if (!strcmp (mname, "Get")) {
361 g_assert (sig->hasthis);
362 g_assert (type->data.array->rank == sig->param_count);
363 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
368 if (!strcmp (mname, "Address")) {
369 g_assert (sig->hasthis);
370 g_assert (type->data.array->rank == sig->param_count);
371 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
376 g_assert_not_reached ();
379 case MEMBERREF_PARENT_TYPEDEF:
380 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
382 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
383 mono_metadata_free_method_signature (sig);
386 mono_class_init (klass);
387 method = find_method (klass, NULL, mname, sig);
389 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
390 mono_metadata_free_method_signature (sig);
392 case MEMBERREF_PARENT_METHODDEF:
393 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
396 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
397 g_assert_not_reached ();
404 method_from_methodspec (MonoImage *image, guint32 idx)
406 MonoMethod *method, *inflated;
407 MonoTableInfo *tables = image->tables;
408 MonoGenericContext *context;
409 MonoGenericMethod *gmethod;
411 guint32 cols [MONO_METHODSPEC_SIZE];
412 guint32 token, param_count, i;
414 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
415 token = cols [MONO_METHODSPEC_METHOD];
416 if ((token & METHODDEFORREF_MASK) == METHODDEFORREF_METHODDEF)
417 token = MONO_TOKEN_METHOD_DEF | (token >> METHODDEFORREF_BITS);
419 token = MONO_TOKEN_MEMBER_REF | (token >> METHODDEFORREF_BITS);
421 method = mono_get_method (image, token, NULL);
423 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
425 mono_metadata_decode_value (ptr, &ptr);
427 param_count = mono_metadata_decode_value (ptr, &ptr);
429 gmethod = g_new0 (MonoGenericMethod, 1);
430 gmethod->mtype_argc = param_count;
431 gmethod->mtype_argv = g_new0 (MonoType *, param_count);
433 for (i = 0; i < param_count; i++) {
434 gmethod->mtype_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
436 if (!gmethod->is_open)
437 gmethod->is_open = mono_class_is_open_constructed_type (gmethod->mtype_argv [i]);
440 context = g_new0 (MonoGenericContext, 1);
441 context->gmethod = gmethod;
443 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
444 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
446 inflated = mono_class_inflate_generic_method (method, context, NULL);
448 context->ginst = inflated->klass->generic_inst;
452 typedef struct MonoDllMap MonoDllMap;
461 static GHashTable *global_dll_map;
464 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
465 MonoDllMap *map, *tmp;
474 map = g_hash_table_lookup (dll_map, dll);
476 mono_loader_unlock ();
479 *rdll = map->target? map->target: dll;
481 for (tmp = map->next; tmp; tmp = tmp->next) {
482 if (strcmp (func, tmp->name) == 0) {
486 mono_loader_unlock ();
491 mono_loader_unlock ();
496 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
499 if (assembly && assembly->dll_map) {
500 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
504 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
508 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
509 MonoDllMap *map, *entry;
510 GHashTable *dll_map = NULL;
516 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
517 dll_map = global_dll_map;
519 if (!assembly->dll_map)
520 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
521 dll_map = assembly->dll_map;
524 map = g_hash_table_lookup (dll_map, dll);
526 map = g_new0 (MonoDllMap, 1);
527 map->dll = g_strdup (dll);
529 map->target = g_strdup (tdll);
530 g_hash_table_insert (dll_map, map->dll, map);
533 entry = g_new0 (MonoDllMap, 1);
534 entry->name = g_strdup (func);
536 entry->target = g_strdup (tfunc);
537 if (tdll && map->target && strcmp (map->target, tdll))
538 entry->dll = g_strdup (tdll);
539 entry->next = map->next;
543 mono_loader_unlock ();
547 mono_dllmap_free (GHashTable *dll_map)
551 static int wine_test_needed = 1;
554 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
556 MonoImage *image = method->klass->image;
557 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
558 MonoTableInfo *tables = image->tables;
559 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
560 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
561 guint32 im_cols [MONO_IMPLMAP_SIZE];
563 const char *import = NULL;
564 const char *orig_scope;
565 const char *new_scope;
566 char *full_name, *file_name;
568 GModule *gmodule = NULL;
570 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
579 if (!piinfo->implmap_idx)
582 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
584 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
585 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
586 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
587 orig_scope = mono_metadata_string_heap (image, scope_token);
589 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
591 #ifndef PLATFORM_WIN32
593 * If we are P/Invoking a library from System.Windows.Forms, load Wine
595 if (wine_test_needed && strcmp (image->assembly_name, "System.Windows.Forms") == 0){
596 mono_loader_wine_init ();
597 wine_test_needed = 0;
602 * Try loading the module using a variety of names
604 for (i = 0; i < 2; ++i) {
606 /* Try the original name */
607 file_name = g_strdup (new_scope);
609 /* Try trimming the .dll extension */
610 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
611 file_name = g_strdup (new_scope);
612 file_name [strlen (new_scope) - 4] = '\0';
619 full_name = g_module_build_path (NULL, file_name);
620 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
625 full_name = g_module_build_path (".", file_name);
626 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
631 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
641 if (g_getenv ("MONO_DEBUG")) {
642 gchar *error = g_strdup (g_module_error ());
643 g_message ("Error loading '%s': %s\n", orig_scope, error);
648 *exc_class = "DllNotFoundException";
649 *exc_arg = orig_scope;
654 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
655 g_module_symbol (gmodule, import, &method->addr);
659 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
660 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
661 mangled_name = g_strconcat (import, "W", NULL);
662 g_module_symbol (gmodule, mangled_name, &method->addr);
663 g_free (mangled_name);
666 g_module_symbol (gmodule, import, &method->addr);
668 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
669 g_module_symbol (gmodule, import, &method->addr);
671 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
673 mangled_name = g_strconcat (import, "A", NULL);
674 g_module_symbol (gmodule, mangled_name, &method->addr);
675 g_free (mangled_name);
678 g_module_symbol (gmodule, import, &method->addr);
686 *exc_class = "EntryPointNotFoundException";
695 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
696 MonoGenericContext *context)
699 int table = mono_metadata_token_table (token);
700 int idx = mono_metadata_token_index (token);
701 MonoTableInfo *tables = image->tables;
702 const char *loc, *sig = NULL;
704 guint32 cols [MONO_TYPEDEF_SIZE];
707 return mono_lookup_dynamic_token (image, token);
709 if (table != MONO_TABLE_METHOD) {
710 if (table == MONO_TABLE_METHODSPEC)
711 return method_from_methodspec (image, idx);
712 if (table != MONO_TABLE_MEMBERREF)
713 g_print("got wrong token: 0x%08x\n", token);
714 g_assert (table == MONO_TABLE_MEMBERREF);
715 result = method_from_memberref (image, idx, context);
720 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
722 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
723 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
724 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
726 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
729 result->klass = klass;
730 result->flags = cols [2];
731 result->iflags = cols [1];
732 result->token = token;
733 result->name = mono_metadata_string_heap (image, cols [3]);
735 if (!sig) /* already taken from the methodref */
736 sig = mono_metadata_blob_heap (image, cols [4]);
737 size = mono_metadata_decode_blob_size (sig, &sig);
738 result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
740 if (!result->klass) {
741 guint32 type = mono_metadata_typedef_from_method (image, token);
742 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
745 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
746 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
747 result->string_ctor = 1;
749 result->signature->pinvoke = 1;
750 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
751 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
752 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
753 MonoCallConvention conv = 0;
755 result->signature->pinvoke = 1;
756 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
757 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
759 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
760 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
761 conv = MONO_CALL_DEFAULT;
763 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
766 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
767 conv = MONO_CALL_STDCALL;
769 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
770 conv = MONO_CALL_THISCALL;
772 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
773 conv = MONO_CALL_FASTCALL;
775 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
776 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
778 g_warning ("unsupported calling convention");
779 g_assert_not_reached ();
781 result->signature->call_convention = conv;
783 MonoGenericParam *gen_params = NULL;
785 /* if this is a methodref from another module/assembly, this fails */
786 loc = mono_cli_rva_map ((MonoCLIImageInfo *)image->image_info, cols [0]);
788 if (result->signature->generic_param_count) {
789 MonoMethodSignature *sig = result->signature;
791 gen_params = mono_metadata_load_generic_params (image, token, NULL);
793 for (i = 0; i < sig->generic_param_count; i++) {
794 gen_params [i].method = result;
796 mono_class_from_generic_parameter (
797 &gen_params [i], image, TRUE);
800 if (sig->ret->type == MONO_TYPE_MVAR) {
801 int num = sig->ret->data.generic_param->num;
802 sig->ret->data.generic_param = &gen_params [num];
805 for (i = 0; i < sig->param_count; i++) {
806 MonoType *t = sig->params [i];
807 if (t->type == MONO_TYPE_MVAR) {
808 int num = t->data.generic_param->num;
809 sig->params [i]->data.generic_param = &gen_params [num];
814 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
815 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
816 MonoMethodNormal *mn = (MonoMethodNormal *) result;
819 mn->header = mono_metadata_parse_mh (image, loc);
820 mn->header->gen_params = gen_params;
828 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
830 return mono_get_method_full (image, token, klass, NULL);
834 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
835 MonoGenericContext *context)
839 /* We do everything inside the lock to prevent creation races */
843 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
844 mono_loader_unlock ();
848 result = mono_get_method_from_token (image, token, klass, context);
850 if (!(result && result->signature->is_inflated))
851 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
853 mono_loader_unlock ();
859 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
860 MonoGenericContext *context)
862 MonoMethod *method, *result;
863 MonoClass *ic = NULL;
868 method = mono_get_method_from_token (image, token, NULL, context);
870 mono_loader_unlock ();
874 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
877 result = find_method (constrained_class, ic, method->name, method->signature);
879 g_warning ("Missing method %s in assembly %s token %x", method->name,
882 mono_loader_unlock ();
887 mono_free_method (MonoMethod *method)
889 mono_metadata_free_method_signature (method->signature);
890 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
891 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
892 g_free (piinfo->code);
893 } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
894 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
901 mono_method_get_param_names (MonoMethod *method, const char **names)
904 MonoClass *klass = method->klass;
905 MonoTableInfo *methodt;
906 MonoTableInfo *paramt;
908 if (!method->signature->param_count)
910 for (i = 0; i < method->signature->param_count; ++i)
913 if (klass->generic_inst) /* copy the names later */
916 mono_class_init (klass);
918 if (klass->image->dynamic) {
919 MonoReflectionMethodAux *method_aux =
920 mono_g_hash_table_lookup (
921 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
922 if (method_aux && method_aux->param_names) {
923 for (i = 0; i < method->signature->param_count; ++i)
924 if (method_aux->param_names [i + 1])
925 names [i] = method_aux->param_names [i + 1];
930 methodt = &klass->image->tables [MONO_TABLE_METHOD];
931 paramt = &klass->image->tables [MONO_TABLE_PARAM];
932 for (i = 0; i < klass->method.count; ++i) {
933 if (method == klass->methods [i]) {
934 guint32 idx = klass->method.first + i;
935 guint32 cols [MONO_PARAM_SIZE];
936 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
938 if (idx + 1 < methodt->rows)
939 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
941 lastp = paramt->rows + 1;
942 for (i = param_index; i < lastp; ++i) {
943 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
944 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
945 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
953 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
956 MonoClass *klass = method->klass;
957 MonoTableInfo *methodt;
958 MonoTableInfo *paramt;
960 for (i = 0; i < method->signature->param_count + 1; ++i)
963 if (method->klass->image->dynamic) {
964 MonoReflectionMethodAux *method_aux =
965 mono_g_hash_table_lookup (
966 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
967 if (method_aux && method_aux->param_marshall) {
968 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
969 for (i = 0; i < method->signature->param_count + 1; ++i)
971 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
972 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
978 mono_class_init (klass);
980 methodt = &klass->image->tables [MONO_TABLE_METHOD];
981 paramt = &klass->image->tables [MONO_TABLE_PARAM];
983 for (i = 0; i < klass->method.count; ++i) {
984 if (method == klass->methods [i]) {
985 guint32 idx = klass->method.first + i;
986 guint32 cols [MONO_PARAM_SIZE];
987 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
989 if (idx + 1 < methodt->rows)
990 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
992 lastp = paramt->rows + 1;
994 for (i = param_index; i < lastp; ++i) {
995 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
997 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
999 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1001 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1011 mono_method_has_marshal_info (MonoMethod *method)
1014 MonoClass *klass = method->klass;
1015 MonoTableInfo *methodt;
1016 MonoTableInfo *paramt;
1018 if (method->klass->image->dynamic) {
1019 MonoReflectionMethodAux *method_aux =
1020 mono_g_hash_table_lookup (
1021 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1022 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1024 for (i = 0; i < method->signature->param_count + 1; ++i)
1031 mono_class_init (klass);
1033 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1034 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1036 for (i = 0; i < klass->method.count; ++i) {
1037 if (method == klass->methods [i]) {
1038 guint32 idx = klass->method.first + i;
1039 guint32 cols [MONO_PARAM_SIZE];
1040 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1042 if (idx + 1 < methodt->rows)
1043 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1045 lastp = paramt->rows + 1;
1047 for (i = param_index; i < lastp; ++i) {
1048 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1050 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1060 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1063 g_assert (method != NULL);
1064 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1066 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
1067 g_assert_not_reached ();
1073 default_stack_walk (MonoStackWalk func, gpointer user_data) {
1074 g_error ("stack walk not installed");
1077 static MonoStackWalkImpl stack_walk = default_stack_walk;
1080 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1082 stack_walk (func, user_data);
1086 mono_install_stack_walk (MonoStackWalkImpl func)
1092 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1094 MonoMethod **dest = data;
1096 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1102 mono_method_get_last_managed (void)
1104 MonoMethod *m = NULL;
1105 stack_walk (last_managed, &m);
1109 #ifndef PLATFORM_WIN32
1111 * This routine exists to load and init Wine due to the special Wine
1112 * requirements: basically the SharedWineInit must be called before
1113 * any modules are dlopened or they will fail to work.
1116 mono_loader_wine_init ()
1118 GModule *module = g_module_open ("winelib.exe.so", G_MODULE_BIND_LAZY);
1119 int (*shared_wine_init)();
1121 if (module == NULL){
1122 fprintf (stderr, "Could not load winelib.exe.so");
1126 g_module_symbol (module, "SharedWineInit", &shared_wine_init);
1127 if (shared_wine_init == NULL)
1130 shared_wine_init ();