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->assembly->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)
203 if (image->assembly->dynamic) {
204 MonoClassField *result = mono_lookup_dynamic_token (image, token);
205 *retklass = result->parent;
209 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
210 return mono_field_from_memberref (image, token, retklass);
212 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
215 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
221 return mono_class_get_field (k, token);
225 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
229 if (sig1->hasthis != sig2->hasthis ||
230 sig1->sentinelpos != sig2->sentinelpos)
233 for (i = 0; i < sig1->sentinelpos; i++) {
234 MonoType *p1 = sig1->params[i];
235 MonoType *p2 = sig2->params[i];
237 //if (p1->attrs != p2->attrs)
240 if (!mono_metadata_type_equal (p1, p2))
244 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
250 find_method (MonoClass *klass, const char* name, MonoMethodSignature *sig)
253 MonoClass *sclass = klass;
255 if (sig->call_convention == MONO_CALL_VARARG) {
257 /* mostly dumb search for now */
258 for (i = 0; i < klass->method.count; ++i) {
259 MonoMethod *m = klass->methods [i];
260 if (!strcmp (name, m->name)) {
261 if (mono_metadata_signature_vararg_match (sig, m->signature))
265 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
267 klass = klass->parent;
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_equal (sig, m->signature))
280 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
282 klass = klass->parent;
284 if (sclass->generic_inst) {
285 MonoClass *gclass = mono_class_from_mono_type (sclass->generic_inst->data.generic_inst->generic_type);
286 MonoMethod *res = find_method (gclass, name, sig);
289 for (i = 0; i < res->klass->method.count; ++i) {
290 if (res == res->klass->methods [i]) {
291 return sclass->methods [i];
300 * token is the method_ref or method_def token used in a call IL instruction.
303 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
305 int table = mono_metadata_token_table (token);
306 int idx = mono_metadata_token_index (token);
307 guint32 cols [MONO_MEMBERREF_SIZE];
308 MonoMethodSignature *sig;
311 /* !table is for wrappers: we should really assign their own token to them */
312 if (!table || table == MONO_TABLE_METHOD)
313 return method->signature;
315 if (table == MONO_TABLE_METHODSPEC) {
316 MonoMethodNormal *mn;
318 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
319 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
321 mn = (MonoMethodNormal *) method;
322 g_assert (mn->header->geninst);
324 return method->signature;
327 if (method->klass->generic_inst)
328 return method->signature;
330 if (image->assembly->dynamic)
331 /* FIXME: This might be incorrect for vararg methods */
332 return method->signature;
334 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
336 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
337 mono_metadata_decode_blob_size (ptr, &ptr);
338 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
344 method_from_memberref (MonoImage *image, guint32 idx)
348 MonoTableInfo *tables = image->tables;
350 guint32 nindex, class;
352 MonoMethodSignature *sig;
355 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
356 nindex = cols [MONO_MEMBERREF_CLASS] >> MEMBERREF_PARENT_BITS;
357 class = cols [MONO_MEMBERREF_CLASS] & MEMBERREF_PARENT_MASK;
358 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
359 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
361 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
363 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
364 mono_metadata_decode_blob_size (ptr, &ptr);
365 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
368 case MEMBERREF_PARENT_TYPEREF:
369 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
371 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
372 mono_metadata_free_method_signature (sig);
375 mono_class_init (klass);
376 method = find_method (klass, mname, sig);
378 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
379 mono_metadata_free_method_signature (sig);
381 case MEMBERREF_PARENT_TYPESPEC: {
382 guint32 bcols [MONO_TYPESPEC_SIZE];
387 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
388 bcols, MONO_TYPESPEC_SIZE);
389 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
390 len = mono_metadata_decode_value (ptr, &ptr);
391 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
393 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
394 klass = mono_class_from_mono_type (type);
395 mono_class_init (klass);
396 method = find_method (klass, mname, sig);
398 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
399 else if (klass->generic_inst)
400 method = mono_class_inflate_generic_method (method, klass->generic_inst->data.generic_inst);
401 mono_metadata_free_method_signature (sig);
405 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
406 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
407 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
408 result->signature = sig;
409 result->name = mname;
411 if (!strcmp (mname, ".ctor")) {
412 /* we special-case this in the runtime. */
417 if (!strcmp (mname, "Set")) {
418 g_assert (sig->hasthis);
419 g_assert (type->data.array->rank + 1 == sig->param_count);
420 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
425 if (!strcmp (mname, "Get")) {
426 g_assert (sig->hasthis);
427 g_assert (type->data.array->rank == sig->param_count);
428 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
433 if (!strcmp (mname, "Address")) {
434 g_assert (sig->hasthis);
435 g_assert (type->data.array->rank == sig->param_count);
436 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
441 g_assert_not_reached ();
444 case MEMBERREF_PARENT_TYPEDEF:
445 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
447 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
448 mono_metadata_free_method_signature (sig);
451 mono_class_init (klass);
452 method = find_method (klass, mname, sig);
454 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
455 mono_metadata_free_method_signature (sig);
457 case MEMBERREF_PARENT_METHODDEF:
458 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
461 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
462 g_assert_not_reached ();
469 method_from_methodspec (MonoImage *image, guint32 idx)
472 MonoTableInfo *tables = image->tables;
473 MonoGenericInst *ginst;
475 guint32 cols [MONO_METHODSPEC_SIZE];
476 guint32 token, param_count, i;
478 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
479 token = cols [MONO_METHODSPEC_METHOD];
480 if ((token & METHODDEFORREF_MASK) == METHODDEFORREF_METHODDEF)
481 token = MONO_TOKEN_METHOD_DEF | (token >> METHODDEFORREF_BITS);
483 token = MONO_TOKEN_MEMBER_REF | (token >> METHODDEFORREF_BITS);
485 method = mono_get_method (image, token, NULL);
487 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
489 mono_metadata_decode_value (ptr, &ptr);
491 param_count = mono_metadata_decode_value (ptr, &ptr);
493 ginst = g_new0 (MonoGenericInst, 1);
494 ginst->generic_method = method;
495 ginst->type_argc = param_count;
496 ginst->type_argv = g_new0 (MonoType *, param_count);
498 for (i = 0; i < param_count; i++) {
499 ginst->type_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
502 ginst->is_open = mono_class_is_open_constructed_type (ginst->type_argv [i]);
505 return mono_class_inflate_generic_method (method, ginst);
508 typedef struct MonoDllMap MonoDllMap;
517 static GHashTable *dll_map;
520 mono_dllmap_lookup (const char *dll, const char* func, const char **rdll, const char **rfunc) {
521 MonoDllMap *map, *tmp;
528 map = g_hash_table_lookup (dll_map, dll);
530 mono_loader_unlock ();
533 *rdll = map->target? map->target: dll;
535 for (tmp = map->next; tmp; tmp = tmp->next) {
536 if (strcmp (func, tmp->name) == 0) {
540 mono_loader_unlock ();
545 mono_loader_unlock ();
550 mono_dllmap_insert (const char *dll, const char *func, const char *tdll, const char *tfunc) {
551 MonoDllMap *map, *entry;
556 dll_map = g_hash_table_new (g_str_hash, g_str_equal);
558 map = g_hash_table_lookup (dll_map, dll);
560 map = g_new0 (MonoDllMap, 1);
561 map->dll = g_strdup (dll);
563 map->target = g_strdup (tdll);
564 g_hash_table_insert (dll_map, map->dll, map);
567 entry = g_new0 (MonoDllMap, 1);
568 entry->name = g_strdup (func);
570 entry->target = g_strdup (tfunc);
571 if (tdll && map->target && strcmp (map->target, tdll))
572 entry->dll = g_strdup (tdll);
573 entry->next = map->next;
577 mono_loader_unlock ();
581 mono_lookup_pinvoke_call (MonoMethod *method)
583 MonoImage *image = method->klass->image;
584 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
585 MonoTableInfo *tables = image->tables;
586 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
587 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
588 guint32 im_cols [MONO_IMPLMAP_SIZE];
590 const char *import = NULL;
591 const char *scope = NULL;
595 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
599 if (!piinfo->implmap_idx)
602 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
604 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
605 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
606 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
607 scope = mono_metadata_string_heap (image, scope_token);
609 mono_dllmap_lookup (scope, import, &scope, &import);
611 full_name = g_module_build_path (NULL, scope);
612 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
616 full_name = g_module_build_path (".", scope);
617 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
621 gchar *error = g_strdup (g_module_error ());
622 if (!(gmodule=g_module_open (scope, G_MODULE_BIND_LAZY))) {
623 g_warning ("Failed to load library %s (%s): %s", full_name, scope, error);
632 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
633 g_module_symbol (gmodule, import, &method->addr);
637 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
638 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
639 mangled_name = g_strconcat (import, "W", NULL);
640 g_module_symbol (gmodule, mangled_name, &method->addr);
641 g_free (mangled_name);
644 g_module_symbol (gmodule, import, &method->addr);
646 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
647 g_module_symbol (gmodule, import, &method->addr);
649 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
651 mangled_name = g_strconcat (import, "A", NULL);
652 g_module_symbol (gmodule, mangled_name, &method->addr);
653 g_free (mangled_name);
656 g_module_symbol (gmodule, import, &method->addr);
663 g_warning ("Failed to load function %s from %s", import, scope);
670 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass)
673 int table = mono_metadata_token_table (token);
674 int idx = mono_metadata_token_index (token);
675 MonoTableInfo *tables = image->tables;
676 const char *loc, *sig = NULL;
678 guint32 cols [MONO_TYPEDEF_SIZE];
680 if (image->assembly->dynamic)
681 return mono_lookup_dynamic_token (image, token);
683 if (table != MONO_TABLE_METHOD) {
684 if (table == MONO_TABLE_METHODSPEC)
685 return method_from_methodspec (image, idx);
686 if (table != MONO_TABLE_MEMBERREF)
687 g_print("got wrong token: 0x%08x\n", token);
688 g_assert (table == MONO_TABLE_MEMBERREF);
689 result = method_from_memberref (image, idx);
694 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
696 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
697 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
698 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
700 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
703 result->klass = klass;
704 result->flags = cols [2];
705 result->iflags = cols [1];
706 result->token = token;
707 result->name = mono_metadata_string_heap (image, cols [3]);
709 if (!sig) /* already taken from the methodref */
710 sig = mono_metadata_blob_heap (image, cols [4]);
711 size = mono_metadata_decode_blob_size (sig, &sig);
712 result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
714 if (!result->klass) {
715 guint32 type = mono_metadata_typedef_from_method (image, token);
716 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
719 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
720 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
721 result->string_ctor = 1;
723 result->signature->pinvoke = 1;
724 } else if (cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
725 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
726 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
727 MonoCallConvention conv;
729 result->signature->pinvoke = 1;
730 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
731 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
733 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
734 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
735 conv = MONO_CALL_DEFAULT;
737 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
740 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
741 conv = MONO_CALL_STDCALL;
743 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
744 conv = MONO_CALL_THISCALL;
746 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
747 conv = MONO_CALL_FASTCALL;
749 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
750 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
752 g_warning ("unsupported calling convention");
753 g_assert_not_reached ();
755 result->signature->call_convention = conv;
757 /* if this is a methodref from another module/assembly, this fails */
758 loc = mono_cli_rva_map ((MonoCLIImageInfo *)image->image_info, cols [0]);
760 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
761 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
762 MonoMethodNormal *mn = (MonoMethodNormal *) result;
765 mn->header = mono_metadata_parse_mh (image, loc);
767 if (result->signature->generic_param_count) {
768 mn->header->gen_params = mono_metadata_load_generic_params (image, token, NULL);
770 for (i = 0; i < result->signature->generic_param_count; i++)
771 mn->header->gen_params [i].method = result;
780 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
784 /* We do everything inside the lock to prevent creation races */
788 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
789 mono_loader_unlock ();
793 result = mono_get_method_from_token (image, token, klass);
795 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
797 mono_loader_unlock ();
803 mono_free_method (MonoMethod *method)
805 mono_metadata_free_method_signature (method->signature);
806 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
807 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
808 g_free (piinfo->code);
809 } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
810 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
817 mono_method_get_param_names (MonoMethod *method, const char **names)
820 MonoClass *klass = method->klass;
821 MonoTableInfo *methodt;
822 MonoTableInfo *paramt;
824 if (!method->signature->param_count)
826 for (i = 0; i < method->signature->param_count; ++i)
829 mono_class_init (klass);
831 if (klass->wastypebuilder || klass->generic_inst) /* copy the names later */
834 if (klass->image->assembly->dynamic) {
835 MonoReflectionMethodAux *method_aux =
836 mono_g_hash_table_lookup (
837 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
838 if (method_aux && method_aux->param_names) {
839 for (i = 0; i < method->signature->param_count; ++i)
840 if (method_aux->param_names [i])
841 names [i] = method_aux->param_names [i];
846 methodt = &klass->image->tables [MONO_TABLE_METHOD];
847 paramt = &klass->image->tables [MONO_TABLE_PARAM];
848 for (i = 0; i < klass->method.count; ++i) {
849 if (method == klass->methods [i]) {
850 guint32 idx = klass->method.first + i;
851 guint32 cols [MONO_PARAM_SIZE];
852 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
854 if (idx + 1 < methodt->rows)
855 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
857 lastp = paramt->rows + 1;
858 for (i = param_index; i < lastp; ++i) {
859 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
860 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
861 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
869 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
872 MonoClass *klass = method->klass;
873 MonoTableInfo *methodt;
874 MonoTableInfo *paramt;
876 for (i = 0; i < method->signature->param_count + 1; ++i)
879 if (method->klass->image->assembly->dynamic) {
880 MonoReflectionMethodAux *method_aux =
881 mono_g_hash_table_lookup (
882 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
883 if (method_aux && method_aux->param_marshall) {
884 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
885 for (i = 0; i < method->signature->param_count + 1; ++i)
887 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
888 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
894 mono_class_init (klass);
896 methodt = &klass->image->tables [MONO_TABLE_METHOD];
897 paramt = &klass->image->tables [MONO_TABLE_PARAM];
899 for (i = 0; i < klass->method.count; ++i) {
900 if (method == klass->methods [i]) {
901 guint32 idx = klass->method.first + i;
902 guint32 cols [MONO_PARAM_SIZE];
903 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
905 if (idx + 1 < methodt->rows)
906 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
908 lastp = paramt->rows + 1;
910 for (i = param_index; i < lastp; ++i) {
911 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
913 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
915 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
917 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
927 mono_method_has_marshal_info (MonoMethod *method)
930 MonoClass *klass = method->klass;
931 MonoTableInfo *methodt;
932 MonoTableInfo *paramt;
934 if (method->klass->image->assembly->dynamic) {
935 MonoReflectionMethodAux *method_aux =
936 mono_g_hash_table_lookup (
937 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
938 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
940 for (i = 0; i < method->signature->param_count + 1; ++i)
947 mono_class_init (klass);
949 methodt = &klass->image->tables [MONO_TABLE_METHOD];
950 paramt = &klass->image->tables [MONO_TABLE_PARAM];
952 for (i = 0; i < klass->method.count; ++i) {
953 if (method == klass->methods [i]) {
954 guint32 idx = klass->method.first + i;
955 guint32 cols [MONO_PARAM_SIZE];
956 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
958 if (idx + 1 < methodt->rows)
959 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
961 lastp = paramt->rows + 1;
963 for (i = param_index; i < lastp; ++i) {
964 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
966 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
976 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
979 g_assert (method != NULL);
980 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
982 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
983 g_assert_not_reached ();
989 default_stack_walk (MonoStackWalk func, gpointer user_data) {
990 g_error ("stack walk not installed");
993 static MonoStackWalkImpl stack_walk = default_stack_walk;
996 mono_stack_walk (MonoStackWalk func, gpointer user_data)
998 stack_walk (func, user_data);
1002 mono_install_stack_walk (MonoStackWalkImpl func)
1008 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1010 MonoMethod **dest = data;
1012 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1018 mono_method_get_last_managed (void)
1020 MonoMethod *m = NULL;
1021 stack_walk (last_managed, &m);