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 static gboolean dummy_icall = TRUE;
38 MonoDefaults mono_defaults;
40 CRITICAL_SECTION loader_mutex;
42 static GHashTable *icall_hash = NULL;
47 InitializeCriticalSection (&loader_mutex);
51 mono_add_internal_call (const char *name, gconstpointer method)
57 icall_hash = g_hash_table_new (g_str_hash , g_str_equal);
60 g_hash_table_insert (icall_hash, g_strdup (name), (gpointer) method);
62 mono_loader_unlock ();
66 ves_icall_dummy (void)
68 g_warning ("the mono runtime is not initialized");
69 g_assert_not_reached ();
73 mono_lookup_internal_call (MonoMethod *method)
80 return ves_icall_dummy;
83 g_warning ("can't resolve internal call, method is null");
87 g_warning ("icall_hash not initialized");
88 g_assert_not_reached ();
93 if (*method->klass->name_space)
94 name = g_strconcat (method->klass->name_space, ".", method->klass->name, "::", method->name, NULL);
96 name = g_strconcat (method->klass->name, "::", method->name, NULL);
97 if (!(res = g_hash_table_lookup (icall_hash, name))) {
98 /* trying to resolve with full signature */
101 tmpsig = mono_signature_get_desc(method->signature, TRUE);
102 if (*method->klass->name_space)
103 name = g_strconcat (method->klass->name_space, ".", method->klass->name, "::", method->name, "(", tmpsig, ")", NULL);
105 name = g_strconcat (method->klass->name, "::", method->name, "(", tmpsig, ")", NULL);
106 if (!(res = g_hash_table_lookup (icall_hash, name))) {
107 g_warning ("cant resolve internal call to \"%s\" (tested without signature also)", name);
108 g_print ("\nYour mono runtime and corlib are out of sync.\n");
109 g_print ("Corlib is: %s\n", method->klass->image->name);
110 g_print ("\nWhen you update one from cvs you need to update, compile and install\nthe other too.\n");
111 g_print ("Do not report this as a bug unless you're sure you have updated correctly:\nyou probably have a broken mono install.\n");
112 g_print ("If you see other errors or faults after this message they are probably related\n");
113 g_print ("and you need to fix your mono install first.\n");
118 mono_loader_unlock ();
126 mono_loader_unlock ();
134 mono_field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass)
137 MonoTableInfo *tables = image->tables;
139 guint32 nindex, class;
142 guint32 idx = mono_metadata_token_index (token);
144 if (image->dynamic) {
145 MonoClassField *result = mono_lookup_dynamic_token (image, token);
146 *retklass = result->parent;
150 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
151 nindex = cols [MONO_MEMBERREF_CLASS] >> MEMBERREF_PARENT_BITS;
152 class = cols [MONO_MEMBERREF_CLASS] & MEMBERREF_PARENT_MASK;
154 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
156 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
157 mono_metadata_decode_blob_size (ptr, &ptr);
158 /* we may want to check the signature here... */
161 case MEMBERREF_PARENT_TYPEREF:
162 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
164 g_warning ("Missing field %s in typeref index %d", fname, nindex);
167 mono_class_init (klass);
170 return mono_class_get_field_from_name (klass, fname);
171 case MEMBERREF_PARENT_TYPESPEC: {
172 /*guint32 bcols [MONO_TYPESPEC_SIZE];
176 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
177 bcols, MONO_TYPESPEC_SIZE);
178 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
179 len = mono_metadata_decode_value (ptr, &ptr);
180 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
182 klass = mono_class_from_mono_type (type);
183 mono_class_init (klass);
184 g_print ("type in sig: %s\n", klass->name);*/
185 klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
186 mono_class_init (klass);
189 return mono_class_get_field_from_name (klass, fname);
192 g_warning ("field load from %x", class);
198 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass)
202 MonoClassField *field;
204 if (image->dynamic) {
205 MonoClassField *result = mono_lookup_dynamic_token (image, token);
206 *retklass = result->parent;
211 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
212 *retklass = field->parent;
213 mono_loader_unlock ();
216 mono_loader_unlock ();
218 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
219 field = mono_field_from_memberref (image, token, retklass);
221 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
224 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
230 field = mono_class_get_field (k, token);
234 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
235 mono_loader_unlock ();
240 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
244 if (sig1->hasthis != sig2->hasthis ||
245 sig1->sentinelpos != sig2->sentinelpos)
248 for (i = 0; i < sig1->sentinelpos; i++) {
249 MonoType *p1 = sig1->params[i];
250 MonoType *p2 = sig2->params[i];
252 //if (p1->attrs != p2->attrs)
255 if (!mono_metadata_type_equal (p1, p2))
259 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
265 find_method (MonoClass *klass, const char* name, MonoMethodSignature *sig)
268 MonoClass *sclass = klass;
270 if (sig->call_convention == MONO_CALL_VARARG) {
272 /* mostly dumb search for now */
273 for (i = 0; i < klass->method.count; ++i) {
274 MonoMethod *m = klass->methods [i];
275 if (!strcmp (name, m->name)) {
276 if (mono_metadata_signature_vararg_match (sig, m->signature))
280 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
282 klass = klass->parent;
287 /* mostly dumb search for now */
288 for (i = 0; i < klass->method.count; ++i) {
289 MonoMethod *m = klass->methods [i];
290 if (!strcmp (name, m->name)) {
291 if (mono_metadata_signature_equal (sig, m->signature))
295 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
297 klass = klass->parent;
299 if (sclass->generic_inst) {
300 MonoClass *gclass = mono_class_from_mono_type (sclass->generic_inst->data.generic_inst->generic_type);
301 MonoMethod *res = find_method (gclass, name, sig);
304 for (i = 0; i < res->klass->method.count; ++i) {
305 if (res == res->klass->methods [i]) {
306 return sclass->methods [i];
315 * token is the method_ref or method_def token used in a call IL instruction.
318 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
320 int table = mono_metadata_token_table (token);
321 int idx = mono_metadata_token_index (token);
322 guint32 cols [MONO_MEMBERREF_SIZE];
323 MonoMethodSignature *sig;
326 /* !table is for wrappers: we should really assign their own token to them */
327 if (!table || table == MONO_TABLE_METHOD)
328 return method->signature;
330 if (table == MONO_TABLE_METHODSPEC) {
331 MonoMethodNormal *mn;
333 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
334 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
336 mn = (MonoMethodNormal *) method;
337 g_assert (mn->header->geninst);
339 return method->signature;
342 if (method->klass->generic_inst)
343 return method->signature;
346 /* FIXME: This might be incorrect for vararg methods */
347 return method->signature;
349 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
351 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
352 mono_metadata_decode_blob_size (ptr, &ptr);
353 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
359 method_from_memberref (MonoImage *image, guint32 idx)
363 MonoTableInfo *tables = image->tables;
365 guint32 nindex, class;
367 MonoMethodSignature *sig;
370 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
371 nindex = cols [MONO_MEMBERREF_CLASS] >> MEMBERREF_PARENT_BITS;
372 class = cols [MONO_MEMBERREF_CLASS] & MEMBERREF_PARENT_MASK;
373 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
374 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
376 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
378 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
379 mono_metadata_decode_blob_size (ptr, &ptr);
380 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
383 case MEMBERREF_PARENT_TYPEREF:
384 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
386 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
387 mono_metadata_free_method_signature (sig);
390 mono_class_init (klass);
391 method = find_method (klass, mname, sig);
393 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
394 mono_metadata_free_method_signature (sig);
396 case MEMBERREF_PARENT_TYPESPEC: {
397 guint32 bcols [MONO_TYPESPEC_SIZE];
402 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
403 bcols, MONO_TYPESPEC_SIZE);
404 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
405 len = mono_metadata_decode_value (ptr, &ptr);
406 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
408 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
409 klass = mono_class_from_mono_type (type);
410 mono_class_init (klass);
411 method = find_method (klass, mname, sig);
413 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
414 else if (klass->generic_inst)
415 method = mono_class_inflate_generic_method (method, klass->generic_inst->data.generic_inst);
416 mono_metadata_free_method_signature (sig);
420 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
421 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
422 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
423 result->signature = sig;
424 result->name = mname;
426 if (!strcmp (mname, ".ctor")) {
427 /* we special-case this in the runtime. */
432 if (!strcmp (mname, "Set")) {
433 g_assert (sig->hasthis);
434 g_assert (type->data.array->rank + 1 == sig->param_count);
435 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
440 if (!strcmp (mname, "Get")) {
441 g_assert (sig->hasthis);
442 g_assert (type->data.array->rank == sig->param_count);
443 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
448 if (!strcmp (mname, "Address")) {
449 g_assert (sig->hasthis);
450 g_assert (type->data.array->rank == sig->param_count);
451 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
456 g_assert_not_reached ();
459 case MEMBERREF_PARENT_TYPEDEF:
460 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
462 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
463 mono_metadata_free_method_signature (sig);
466 mono_class_init (klass);
467 method = find_method (klass, mname, sig);
469 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
470 mono_metadata_free_method_signature (sig);
472 case MEMBERREF_PARENT_METHODDEF:
473 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
476 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
477 g_assert_not_reached ();
484 method_from_methodspec (MonoImage *image, guint32 idx)
487 MonoTableInfo *tables = image->tables;
488 MonoGenericInst *ginst;
490 guint32 cols [MONO_METHODSPEC_SIZE];
491 guint32 token, param_count, i;
493 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
494 token = cols [MONO_METHODSPEC_METHOD];
495 if ((token & METHODDEFORREF_MASK) == METHODDEFORREF_METHODDEF)
496 token = MONO_TOKEN_METHOD_DEF | (token >> METHODDEFORREF_BITS);
498 token = MONO_TOKEN_MEMBER_REF | (token >> METHODDEFORREF_BITS);
500 method = mono_get_method (image, token, NULL);
502 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
504 mono_metadata_decode_value (ptr, &ptr);
506 param_count = mono_metadata_decode_value (ptr, &ptr);
508 ginst = g_new0 (MonoGenericInst, 1);
509 ginst->generic_method = method;
510 ginst->type_argc = param_count;
511 ginst->type_argv = g_new0 (MonoType *, param_count);
513 for (i = 0; i < param_count; i++) {
514 ginst->type_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
517 ginst->is_open = mono_class_is_open_constructed_type (ginst->type_argv [i]);
520 return mono_class_inflate_generic_method (method, ginst);
523 typedef struct MonoDllMap MonoDllMap;
532 static GHashTable *dll_map;
535 mono_dllmap_lookup (const char *dll, const char* func, const char **rdll, const char **rfunc) {
536 MonoDllMap *map, *tmp;
543 map = g_hash_table_lookup (dll_map, dll);
545 mono_loader_unlock ();
548 *rdll = map->target? map->target: dll;
550 for (tmp = map->next; tmp; tmp = tmp->next) {
551 if (strcmp (func, tmp->name) == 0) {
555 mono_loader_unlock ();
560 mono_loader_unlock ();
565 mono_dllmap_insert (const char *dll, const char *func, const char *tdll, const char *tfunc) {
566 MonoDllMap *map, *entry;
571 dll_map = g_hash_table_new (g_str_hash, g_str_equal);
573 map = g_hash_table_lookup (dll_map, dll);
575 map = g_new0 (MonoDllMap, 1);
576 map->dll = g_strdup (dll);
578 map->target = g_strdup (tdll);
579 g_hash_table_insert (dll_map, map->dll, map);
582 entry = g_new0 (MonoDllMap, 1);
583 entry->name = g_strdup (func);
585 entry->target = g_strdup (tfunc);
586 if (tdll && map->target && strcmp (map->target, tdll))
587 entry->dll = g_strdup (tdll);
588 entry->next = map->next;
592 mono_loader_unlock ();
596 mono_lookup_pinvoke_call (MonoMethod *method)
598 MonoImage *image = method->klass->image;
599 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
600 MonoTableInfo *tables = image->tables;
601 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
602 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
603 guint32 im_cols [MONO_IMPLMAP_SIZE];
605 const char *import = NULL;
606 const char *scope = NULL;
610 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
614 if (!piinfo->implmap_idx)
617 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
619 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
620 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
621 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
622 scope = mono_metadata_string_heap (image, scope_token);
624 mono_dllmap_lookup (scope, import, &scope, &import);
626 full_name = g_module_build_path (NULL, scope);
627 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
631 full_name = g_module_build_path (".", scope);
632 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
636 gchar *error = g_strdup (g_module_error ());
637 if (!(gmodule=g_module_open (scope, G_MODULE_BIND_LAZY))) {
638 g_warning ("Failed to load library %s (%s): %s", full_name, scope, error);
647 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
648 g_module_symbol (gmodule, import, &method->addr);
652 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
653 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
654 mangled_name = g_strconcat (import, "W", NULL);
655 g_module_symbol (gmodule, mangled_name, &method->addr);
656 g_free (mangled_name);
659 g_module_symbol (gmodule, import, &method->addr);
661 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
662 g_module_symbol (gmodule, import, &method->addr);
664 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
666 mangled_name = g_strconcat (import, "A", NULL);
667 g_module_symbol (gmodule, mangled_name, &method->addr);
668 g_free (mangled_name);
671 g_module_symbol (gmodule, import, &method->addr);
678 g_warning ("Failed to load function %s from %s", import, scope);
685 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass)
688 int table = mono_metadata_token_table (token);
689 int idx = mono_metadata_token_index (token);
690 MonoTableInfo *tables = image->tables;
691 const char *loc, *sig = NULL;
693 guint32 cols [MONO_TYPEDEF_SIZE];
696 return mono_lookup_dynamic_token (image, token);
698 if (table != MONO_TABLE_METHOD) {
699 if (table == MONO_TABLE_METHODSPEC)
700 return method_from_methodspec (image, idx);
701 if (table != MONO_TABLE_MEMBERREF)
702 g_print("got wrong token: 0x%08x\n", token);
703 g_assert (table == MONO_TABLE_MEMBERREF);
704 result = method_from_memberref (image, idx);
709 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
711 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
712 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
713 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
715 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
718 result->klass = klass;
719 result->flags = cols [2];
720 result->iflags = cols [1];
721 result->token = token;
722 result->name = mono_metadata_string_heap (image, cols [3]);
724 if (!sig) /* already taken from the methodref */
725 sig = mono_metadata_blob_heap (image, cols [4]);
726 size = mono_metadata_decode_blob_size (sig, &sig);
727 result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
729 if (!result->klass) {
730 guint32 type = mono_metadata_typedef_from_method (image, token);
731 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
734 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
735 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
736 result->string_ctor = 1;
738 result->signature->pinvoke = 1;
739 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
740 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
741 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
742 MonoCallConvention conv = 0;
744 result->signature->pinvoke = 1;
745 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
746 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
748 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
749 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
750 conv = MONO_CALL_DEFAULT;
752 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
755 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
756 conv = MONO_CALL_STDCALL;
758 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
759 conv = MONO_CALL_THISCALL;
761 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
762 conv = MONO_CALL_FASTCALL;
764 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
765 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
767 g_warning ("unsupported calling convention");
768 g_assert_not_reached ();
770 result->signature->call_convention = conv;
772 /* if this is a methodref from another module/assembly, this fails */
773 loc = mono_cli_rva_map ((MonoCLIImageInfo *)image->image_info, cols [0]);
775 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
776 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
777 MonoMethodNormal *mn = (MonoMethodNormal *) result;
780 mn->header = mono_metadata_parse_mh (image, loc);
782 if (result->signature->generic_param_count) {
783 mn->header->gen_params = mono_metadata_load_generic_params (image, token, NULL);
785 for (i = 0; i < result->signature->generic_param_count; i++)
786 mn->header->gen_params [i].method = result;
795 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
799 /* We do everything inside the lock to prevent creation races */
803 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
804 mono_loader_unlock ();
808 result = mono_get_method_from_token (image, token, klass);
810 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
812 mono_loader_unlock ();
818 mono_free_method (MonoMethod *method)
820 mono_metadata_free_method_signature (method->signature);
821 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
822 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
823 g_free (piinfo->code);
824 } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
825 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
832 mono_method_get_param_names (MonoMethod *method, const char **names)
835 MonoClass *klass = method->klass;
836 MonoTableInfo *methodt;
837 MonoTableInfo *paramt;
839 if (!method->signature->param_count)
841 for (i = 0; i < method->signature->param_count; ++i)
844 mono_class_init (klass);
846 if (klass->wastypebuilder || klass->generic_inst) /* copy the names later */
849 if (klass->image->dynamic) {
850 MonoReflectionMethodAux *method_aux =
851 mono_g_hash_table_lookup (
852 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
853 if (method_aux && method_aux->param_names) {
854 for (i = 0; i < method->signature->param_count; ++i)
855 if (method_aux->param_names [i])
856 names [i] = method_aux->param_names [i];
861 methodt = &klass->image->tables [MONO_TABLE_METHOD];
862 paramt = &klass->image->tables [MONO_TABLE_PARAM];
863 for (i = 0; i < klass->method.count; ++i) {
864 if (method == klass->methods [i]) {
865 guint32 idx = klass->method.first + i;
866 guint32 cols [MONO_PARAM_SIZE];
867 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
869 if (idx + 1 < methodt->rows)
870 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
872 lastp = paramt->rows + 1;
873 for (i = param_index; i < lastp; ++i) {
874 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
875 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
876 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
884 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
887 MonoClass *klass = method->klass;
888 MonoTableInfo *methodt;
889 MonoTableInfo *paramt;
891 for (i = 0; i < method->signature->param_count + 1; ++i)
894 if (method->klass->image->dynamic) {
895 MonoReflectionMethodAux *method_aux =
896 mono_g_hash_table_lookup (
897 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
898 if (method_aux && method_aux->param_marshall) {
899 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
900 for (i = 0; i < method->signature->param_count + 1; ++i)
902 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
903 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
909 mono_class_init (klass);
911 methodt = &klass->image->tables [MONO_TABLE_METHOD];
912 paramt = &klass->image->tables [MONO_TABLE_PARAM];
914 for (i = 0; i < klass->method.count; ++i) {
915 if (method == klass->methods [i]) {
916 guint32 idx = klass->method.first + i;
917 guint32 cols [MONO_PARAM_SIZE];
918 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
920 if (idx + 1 < methodt->rows)
921 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
923 lastp = paramt->rows + 1;
925 for (i = param_index; i < lastp; ++i) {
926 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
928 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
930 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
932 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
942 mono_method_has_marshal_info (MonoMethod *method)
945 MonoClass *klass = method->klass;
946 MonoTableInfo *methodt;
947 MonoTableInfo *paramt;
949 if (method->klass->image->dynamic) {
950 MonoReflectionMethodAux *method_aux =
951 mono_g_hash_table_lookup (
952 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
953 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
955 for (i = 0; i < method->signature->param_count + 1; ++i)
962 mono_class_init (klass);
964 methodt = &klass->image->tables [MONO_TABLE_METHOD];
965 paramt = &klass->image->tables [MONO_TABLE_PARAM];
967 for (i = 0; i < klass->method.count; ++i) {
968 if (method == klass->methods [i]) {
969 guint32 idx = klass->method.first + i;
970 guint32 cols [MONO_PARAM_SIZE];
971 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
973 if (idx + 1 < methodt->rows)
974 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
976 lastp = paramt->rows + 1;
978 for (i = param_index; i < lastp; ++i) {
979 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
981 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
991 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
994 g_assert (method != NULL);
995 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
997 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
998 g_assert_not_reached ();
1004 default_stack_walk (MonoStackWalk func, gpointer user_data) {
1005 g_error ("stack walk not installed");
1008 static MonoStackWalkImpl stack_walk = default_stack_walk;
1011 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1013 stack_walk (func, user_data);
1017 mono_install_stack_walk (MonoStackWalkImpl func)
1023 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1025 MonoMethod **dest = data;
1027 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1033 mono_method_get_last_managed (void)
1035 MonoMethod *m = NULL;
1036 stack_walk (last_managed, &m);