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/metadata-internals.h>
32 #include <mono/metadata/loader.h>
33 #include <mono/metadata/class-internals.h>
34 #include <mono/metadata/debug-helpers.h>
35 #include <mono/metadata/reflection.h>
36 #include <mono/utils/mono-logger.h>
38 MonoDefaults mono_defaults;
41 * This lock protects the hash tables inside MonoImage used by the metadata
42 * loading functions in class.c and loader.c.
44 static CRITICAL_SECTION loader_mutex;
49 InitializeCriticalSection (&loader_mutex);
52 static MonoClassField*
53 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
54 MonoGenericContext *context)
57 MonoTableInfo *tables = image->tables;
59 guint32 nindex, class;
62 guint32 idx = mono_metadata_token_index (token);
65 MonoClassField *result = mono_lookup_dynamic_token (image, token);
66 *retklass = result->parent;
70 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
71 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
72 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
74 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
76 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
77 mono_metadata_decode_blob_size (ptr, &ptr);
78 /* we may want to check the signature here... */
81 case MONO_MEMBERREF_PARENT_TYPEREF:
82 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
84 g_warning ("Missing field %s in typeref index %d", fname, nindex);
87 mono_class_init (klass);
90 return mono_class_get_field_from_name (klass, fname);
91 case MONO_MEMBERREF_PARENT_TYPESPEC: {
92 /*guint32 bcols [MONO_TYPESPEC_SIZE];
96 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
97 bcols, MONO_TYPESPEC_SIZE);
98 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
99 len = mono_metadata_decode_value (ptr, &ptr);
100 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
102 klass = mono_class_from_mono_type (type);
103 mono_class_init (klass);
104 g_print ("type in sig: %s\n", klass->name);*/
105 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
106 mono_class_init (klass);
109 return mono_class_get_field_from_name (klass, fname);
112 g_warning ("field load from %x", class);
118 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
119 MonoGenericContext *context)
123 MonoClassField *field;
125 if (image->dynamic) {
126 MonoClassField *result = mono_lookup_dynamic_token (image, token);
127 *retklass = result->parent;
132 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
133 *retklass = field->parent;
134 mono_loader_unlock ();
137 mono_loader_unlock ();
139 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
140 field = field_from_memberref (image, token, retklass, context);
142 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
145 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
151 field = mono_class_get_field (k, token);
155 if (!field->parent->generic_inst)
156 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
157 mono_loader_unlock ();
162 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
166 if (sig1->hasthis != sig2->hasthis ||
167 sig1->sentinelpos != sig2->sentinelpos)
170 for (i = 0; i < sig1->sentinelpos; i++) {
171 MonoType *p1 = sig1->params[i];
172 MonoType *p2 = sig2->params[i];
174 /*if (p1->attrs != p2->attrs)
177 if (!mono_metadata_type_equal (p1, p2))
181 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
187 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
190 MonoClass *sclass = klass;
191 char *qname, *fqname;
194 qname = g_strconcat (ic->name, ".", name, NULL);
195 if (ic->name_space && ic->name_space [0])
196 fqname = g_strconcat (ic->name_space, ".", ic->name, ".", name, NULL);
200 qname = fqname = NULL;
203 for (i = 0; i < klass->method.count; ++i) {
204 MonoMethod *m = klass->methods [i];
206 if (!((fqname && !strcmp (m->name, fqname)) ||
207 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
210 if (sig->call_convention == MONO_CALL_VARARG) {
211 if (mono_metadata_signature_vararg_match (sig, m->signature))
214 if (mono_metadata_signature_equal (sig, m->signature))
219 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
222 klass = klass->parent;
225 if (sclass->generic_inst) {
229 gclass = mono_class_from_mono_type (sclass->generic_inst->generic_type);
230 mono_class_init (gclass);
232 res = find_method (gclass, ic, name, sig);
235 for (i = 0; i < res->klass->method.count; ++i) {
236 if (res == res->klass->methods [i]) {
237 return sclass->methods [i];
246 * token is the method_ref or method_def token used in a call IL instruction.
249 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
251 int table = mono_metadata_token_table (token);
252 int idx = mono_metadata_token_index (token);
253 guint32 cols [MONO_MEMBERREF_SIZE];
254 MonoMethodSignature *sig;
257 /* !table is for wrappers: we should really assign their own token to them */
258 if (!table || table == MONO_TABLE_METHOD)
259 return method->signature;
261 if (table == MONO_TABLE_METHODSPEC) {
262 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
263 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
265 g_assert (method->signature->is_inflated);
267 return method->signature;
270 if (method->klass->generic_inst)
271 return method->signature;
274 /* FIXME: This might be incorrect for vararg methods */
275 return method->signature;
277 if (!(sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token)))) {
278 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
280 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
281 mono_metadata_decode_blob_size (ptr, &ptr);
282 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
283 g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
290 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *context)
292 MonoClass *klass = NULL;
294 MonoTableInfo *tables = image->tables;
296 guint32 nindex, class;
297 MonoGenericContainer *container = NULL;
299 MonoMethodSignature *sig;
302 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
303 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
304 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
305 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
306 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
308 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
311 case MONO_MEMBERREF_PARENT_TYPEREF:
312 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
314 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
318 case MONO_MEMBERREF_PARENT_TYPESPEC:
319 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
321 g_warning ("Missing method %s in assembly %s typespec index %d", mname, image->name, nindex);
325 case MONO_MEMBERREF_PARENT_TYPEDEF:
326 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
328 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
332 case MONO_MEMBERREF_PARENT_METHODDEF:
333 return mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
335 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
336 g_assert_not_reached ();
339 mono_class_init (klass);
341 if (klass->generic_container)
342 container = klass->generic_container;
343 else if (klass->generic_inst) {
344 g_assert (klass->generic_inst->container);
345 container = klass->generic_inst->container;
348 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
349 mono_metadata_decode_blob_size (ptr, &ptr);
350 sig = mono_metadata_parse_method_signature_full (image, container, 0, ptr, NULL);
353 case MONO_MEMBERREF_PARENT_TYPEREF:
354 method = find_method (klass, NULL, mname, sig);
356 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
357 mono_metadata_free_method_signature (sig);
359 case MONO_MEMBERREF_PARENT_TYPESPEC: {
363 type = &klass->byval_arg;
365 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
366 method = find_method (klass, NULL, mname, sig);
368 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
369 else if (klass->generic_inst && (klass != method->klass))
370 method = mono_class_inflate_generic_method (
371 method, klass->generic_inst->context, klass);
372 mono_metadata_free_method_signature (sig);
376 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
377 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
378 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
379 result->signature = sig;
380 result->name = mname;
382 if (!strcmp (mname, ".ctor")) {
383 /* we special-case this in the runtime. */
387 if (!strcmp (mname, "Set")) {
388 g_assert (sig->hasthis);
389 g_assert (type->data.array->rank + 1 == sig->param_count);
390 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
394 if (!strcmp (mname, "Get")) {
395 g_assert (sig->hasthis);
396 g_assert (type->data.array->rank == sig->param_count);
397 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
401 if (!strcmp (mname, "Address")) {
402 g_assert (sig->hasthis);
403 g_assert (type->data.array->rank == sig->param_count);
404 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
408 g_assert_not_reached ();
411 case MONO_MEMBERREF_PARENT_TYPEDEF:
412 method = find_method (klass, NULL, mname, sig);
414 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
415 mono_metadata_free_method_signature (sig);
418 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
419 g_assert_not_reached ();
426 method_from_methodspec (MonoImage *image, MonoGenericContext *context, guint32 idx)
428 MonoMethod *method, *inflated;
429 MonoTableInfo *tables = image->tables;
430 MonoGenericContext *new_context = NULL;
431 MonoGenericMethod *gmethod;
432 MonoGenericContainer *container = NULL;
434 guint32 cols [MONO_METHODSPEC_SIZE];
435 guint32 token, param_count, i;
437 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
438 token = cols [MONO_METHODSPEC_METHOD];
439 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
440 token = MONO_TOKEN_METHOD_DEF | (token >> MONO_METHODDEFORREF_BITS);
442 token = MONO_TOKEN_MEMBER_REF | (token >> MONO_METHODDEFORREF_BITS);
444 method = mono_get_method (image, token, NULL);
446 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
448 mono_metadata_decode_value (ptr, &ptr);
450 param_count = mono_metadata_decode_value (ptr, &ptr);
452 g_assert (param_count);
453 if (method->signature->is_inflated)
454 container = ((MonoMethodNormal *) ((MonoMethodInflated *) method)->declaring)->generic_container;
456 container = ((MonoMethodNormal *) method)->generic_container;
457 g_assert (container && container->is_method);
460 if (context->ginst) {
461 g_assert (context->ginst->container);
462 container->parent = context->ginst->container;
464 container->parent = context->container;
467 gmethod = g_new0 (MonoGenericMethod, 1);
468 gmethod->container = container;
469 gmethod->mtype_argc = param_count;
470 gmethod->mtype_argv = g_new0 (MonoType *, param_count);
472 for (i = 0; i < param_count; i++) {
473 MonoType *t = mono_metadata_parse_type_full (
474 image, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
477 t = mono_class_inflate_generic_type (t, context);
479 gmethod->mtype_argv [i] = t;
481 if (!gmethod->is_open)
482 gmethod->is_open = mono_class_is_open_constructed_type (gmethod->mtype_argv [i]);
485 if (!container->method_hash)
486 container->method_hash = g_hash_table_new (
487 mono_metadata_generic_method_hash, mono_metadata_generic_method_equal);
489 inflated = g_hash_table_lookup (container->method_hash, gmethod);
491 g_free (gmethod->mtype_argv);
498 new_context = g_new0 (MonoGenericContext, 1);
499 new_context->gmethod = gmethod;
501 context = new_context;
503 new_context = g_new0 (MonoGenericContext, 1);
504 new_context->gmethod = gmethod;
505 new_context->ginst = context->ginst;
507 context = new_context;
510 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
511 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
513 inflated = mono_class_inflate_generic_method (method, context, NULL);
514 g_hash_table_insert (container->method_hash, gmethod, inflated);
517 context->ginst = inflated->klass->generic_inst;
521 typedef struct MonoDllMap MonoDllMap;
530 static GHashTable *global_dll_map;
533 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
534 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_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
568 if (assembly && assembly->dll_map) {
569 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
573 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
577 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
578 MonoDllMap *map, *entry;
579 GHashTable *dll_map = NULL;
585 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
586 dll_map = global_dll_map;
588 if (!assembly->dll_map)
589 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
590 dll_map = assembly->dll_map;
593 map = g_hash_table_lookup (dll_map, dll);
595 map = g_new0 (MonoDllMap, 1);
596 map->dll = g_strdup (dll);
598 map->target = g_strdup (tdll);
599 g_hash_table_insert (dll_map, map->dll, map);
602 entry = g_new0 (MonoDllMap, 1);
603 entry->name = g_strdup (func);
605 entry->target = g_strdup (tfunc);
606 if (tdll && map->target && strcmp (map->target, tdll))
607 entry->dll = g_strdup (tdll);
608 entry->next = map->next;
612 mono_loader_unlock ();
616 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
618 MonoImage *image = method->klass->image;
619 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
620 MonoTableInfo *tables = image->tables;
621 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
622 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
623 guint32 im_cols [MONO_IMPLMAP_SIZE];
625 const char *import = NULL;
626 const char *orig_scope;
627 const char *new_scope;
628 char *full_name, *file_name;
630 GModule *gmodule = NULL;
632 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
637 if (method->klass->image->dynamic) {
638 MonoReflectionMethodAux *method_aux =
639 mono_g_hash_table_lookup (
640 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
644 import = method_aux->dllentry;
645 orig_scope = method_aux->dll;
648 if (!piinfo->implmap_idx)
651 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
653 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
654 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
655 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
656 orig_scope = mono_metadata_string_heap (image, scope_token);
659 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
661 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
662 "DllImport attempting to load: '%s'.", new_scope);
670 * Try loading the module using a variety of names
672 for (i = 0; i < 3; ++i) {
675 /* Try the original name */
676 file_name = g_strdup (new_scope);
679 /* Try trimming the .dll extension */
680 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
681 file_name = g_strdup (new_scope);
682 file_name [strlen (new_scope) - 4] = '\0';
688 if (strstr (new_scope, "lib") != new_scope) {
689 file_name = g_strdup_printf ("lib%s", new_scope);
697 full_name = g_module_build_path (NULL, file_name);
698 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
699 "DllImport loading location: '%s'.", full_name);
700 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
702 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
703 "DllImport error loading library: '%s'.",
710 full_name = g_module_build_path (".", file_name);
711 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
712 "DllImport loading library: '%s'.", full_name);
713 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
715 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
716 "DllImport error loading library '%s'.",
723 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
724 "DllImport loading: '%s'.", file_name);
725 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
727 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
728 "DllImport error loading library '%s'.",
740 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
741 "DllImport unable to load library '%s'.",
745 *exc_class = "DllNotFoundException";
746 *exc_arg = orig_scope;
751 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
752 g_module_symbol (gmodule, import, &piinfo->addr);
756 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
757 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
758 mangled_name = g_strconcat (import, "W", NULL);
759 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
760 g_free (mangled_name);
763 g_module_symbol (gmodule, import, &piinfo->addr);
765 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
766 g_module_symbol (gmodule, import, &piinfo->addr);
768 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
770 mangled_name = g_strconcat (import, "A", NULL);
771 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
772 g_free (mangled_name);
775 g_module_symbol (gmodule, import, &piinfo->addr);
780 #ifdef PLATFORM_WIN32
781 /* Try the stdcall mangled name */
783 /* FIX: Compute this correctly */
784 mangled_name = g_strdup_printf ("%s@%d", import, method->signature->param_count * sizeof (gpointer));
785 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
786 g_free (mangled_name);
789 mangled_name = g_strdup_printf ("_%s@%d", import, method->signature->param_count * sizeof (gpointer));
790 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
791 g_free (mangled_name);
798 *exc_class = "EntryPointNotFoundException";
807 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
808 MonoGenericContext *context)
811 int table = mono_metadata_token_table (token);
812 int idx = mono_metadata_token_index (token);
813 MonoTableInfo *tables = image->tables;
814 MonoGenericContainer *generic_container = NULL, *container = NULL;
815 const char *sig = NULL;
817 guint32 cols [MONO_TYPEDEF_SIZE];
820 return mono_lookup_dynamic_token (image, token);
822 if (table != MONO_TABLE_METHOD) {
823 MonoGenericContainer *generic_container = NULL;
825 if (context->ginst) {
826 g_assert (context->ginst->container);
827 generic_container = context->ginst->container;
829 generic_container = context->container;
831 if (table == MONO_TABLE_METHODSPEC)
832 return method_from_methodspec (image, context, idx);
833 if (table != MONO_TABLE_MEMBERREF)
834 g_print("got wrong token: 0x%08x\n", token);
835 g_assert (table == MONO_TABLE_MEMBERREF);
836 result = method_from_memberref (image, idx, context);
841 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
843 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
844 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
845 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
847 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
850 result->klass = klass;
851 result->flags = cols [2];
852 result->iflags = cols [1];
853 result->token = token;
854 result->name = mono_metadata_string_heap (image, cols [3]);
857 container = klass->generic_container;
859 if (!(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
860 (!(cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) || cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
861 generic_container = mono_metadata_load_generic_params (image, token);
862 if (generic_container) {
863 generic_container->parent = container;
864 generic_container->is_method = 1;
865 container = generic_container;
869 if (!sig) /* already taken from the methodref */
870 sig = mono_metadata_blob_heap (image, cols [4]);
871 size = mono_metadata_decode_blob_size (sig, &sig);
872 result->signature = mono_metadata_parse_method_signature_full (image, container, idx, sig, NULL);
874 if (!result->klass) {
875 guint32 type = mono_metadata_typedef_from_method (image, token);
876 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
879 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
880 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
881 result->string_ctor = 1;
883 result->signature->pinvoke = 1;
884 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
885 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
886 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
887 MonoCallConvention conv = 0;
889 result->signature->pinvoke = 1;
890 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
891 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
893 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
894 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
895 conv = MONO_CALL_DEFAULT;
897 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
900 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
901 conv = MONO_CALL_STDCALL;
903 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
904 conv = MONO_CALL_THISCALL;
906 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
907 conv = MONO_CALL_FASTCALL;
909 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
910 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
912 g_warning ("unsupported calling convention");
913 g_assert_not_reached ();
915 result->signature->call_convention = conv;
917 if (result->signature->generic_param_count) {
918 MonoMethodSignature *sig = result->signature;
920 for (i = 0; i < sig->generic_param_count; i++) {
921 generic_container->type_params [i].method = result;
923 mono_class_from_generic_parameter (
924 &generic_container->type_params [i], image, TRUE);
927 if (sig->ret->type == MONO_TYPE_MVAR) {
928 int num = sig->ret->data.generic_param->num;
929 sig->ret->data.generic_param = &generic_container->type_params [num];
932 for (i = 0; i < sig->param_count; i++) {
933 MonoType *t = sig->params [i];
934 if (t->type == MONO_TYPE_MVAR) {
935 int num = t->data.generic_param->num;
936 sig->params [i]->data.generic_param = &generic_container->type_params [num];
941 /* FIXME: lazyness for generics too, but how? */
942 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
943 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
944 gpointer loc = mono_image_rva_map (image, cols [0]);
946 ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (image, container, loc);
949 ((MonoMethodNormal *) result)->generic_container = generic_container;
956 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
958 return mono_get_method_full (image, token, klass, NULL);
962 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
963 MonoGenericContext *context)
967 /* We do everything inside the lock to prevent creation races */
971 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
972 mono_loader_unlock ();
976 result = mono_get_method_from_token (image, token, klass, context);
978 if (!(result && result->signature->is_inflated))
979 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
981 mono_loader_unlock ();
987 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
988 MonoGenericContext *context)
990 MonoMethod *method, *result;
991 MonoClass *ic = NULL;
995 method = mono_get_method_from_token (image, token, NULL, context);
997 mono_loader_unlock ();
1001 mono_class_init (constrained_class);
1003 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
1006 result = find_method (constrained_class, ic, method->name, method->signature);
1008 g_warning ("Missing method %s in assembly %s token %x", method->name,
1009 image->name, token);
1011 mono_loader_unlock ();
1016 mono_free_method (MonoMethod *method)
1018 mono_metadata_free_method_signature (method->signature);
1019 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
1020 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
1027 mono_method_get_param_names (MonoMethod *method, const char **names)
1030 MonoClass *klass = method->klass;
1031 MonoTableInfo *methodt;
1032 MonoTableInfo *paramt;
1034 if (!method->signature->param_count)
1036 for (i = 0; i < method->signature->param_count; ++i)
1039 if (klass->generic_inst) /* copy the names later */
1042 mono_class_init (klass);
1044 if (klass->image->dynamic) {
1045 MonoReflectionMethodAux *method_aux =
1046 mono_g_hash_table_lookup (
1047 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1048 if (method_aux && method_aux->param_names) {
1049 for (i = 0; i < method->signature->param_count; ++i)
1050 if (method_aux->param_names [i + 1])
1051 names [i] = method_aux->param_names [i + 1];
1056 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1057 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1058 for (i = 0; i < klass->method.count; ++i) {
1059 if (method == klass->methods [i]) {
1060 guint32 idx = klass->method.first + i;
1061 guint32 cols [MONO_PARAM_SIZE];
1062 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1064 if (idx + 1 < methodt->rows)
1065 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1067 lastp = paramt->rows + 1;
1068 for (i = param_index; i < lastp; ++i) {
1069 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1070 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
1071 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
1079 mono_method_get_param_token (MonoMethod *method, int index)
1082 MonoClass *klass = method->klass;
1083 MonoTableInfo *methodt;
1085 if (klass->generic_inst)
1086 g_assert_not_reached ();
1088 mono_class_init (klass);
1090 if (klass->image->dynamic) {
1091 g_assert_not_reached ();
1094 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1095 for (i = 0; i < klass->method.count; ++i) {
1096 if (method == klass->methods [i]) {
1097 guint32 idx = klass->method.first + i;
1098 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1100 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1108 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1111 MonoClass *klass = method->klass;
1112 MonoTableInfo *methodt;
1113 MonoTableInfo *paramt;
1115 for (i = 0; i < method->signature->param_count + 1; ++i)
1118 if (method->klass->image->dynamic) {
1119 MonoReflectionMethodAux *method_aux =
1120 mono_g_hash_table_lookup (
1121 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1122 if (method_aux && method_aux->param_marshall) {
1123 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1124 for (i = 0; i < method->signature->param_count + 1; ++i)
1125 if (dyn_specs [i]) {
1126 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1127 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1133 mono_class_init (klass);
1135 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1136 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1138 for (i = 0; i < klass->method.count; ++i) {
1139 if (method == klass->methods [i]) {
1140 guint32 idx = klass->method.first + i;
1141 guint32 cols [MONO_PARAM_SIZE];
1142 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1144 if (idx + 1 < methodt->rows)
1145 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1147 lastp = paramt->rows + 1;
1149 for (i = param_index; i < lastp; ++i) {
1150 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1152 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1154 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1156 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1166 mono_method_has_marshal_info (MonoMethod *method)
1169 MonoClass *klass = method->klass;
1170 MonoTableInfo *methodt;
1171 MonoTableInfo *paramt;
1173 if (method->klass->image->dynamic) {
1174 MonoReflectionMethodAux *method_aux =
1175 mono_g_hash_table_lookup (
1176 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1177 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1179 for (i = 0; i < method->signature->param_count + 1; ++i)
1186 mono_class_init (klass);
1188 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1189 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1191 for (i = 0; i < klass->method.count; ++i) {
1192 if (method == klass->methods [i]) {
1193 guint32 idx = klass->method.first + i;
1194 guint32 cols [MONO_PARAM_SIZE];
1195 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1197 if (idx + 1 < methodt->rows)
1198 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1200 lastp = paramt->rows + 1;
1202 for (i = param_index; i < lastp; ++i) {
1203 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1205 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1215 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1218 g_assert (method != NULL);
1219 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1221 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
1222 g_assert_not_reached ();
1228 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1229 g_error ("stack walk not installed");
1232 static MonoStackWalkImpl stack_walk = default_stack_walk;
1235 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1237 stack_walk (func, FALSE, user_data);
1241 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1243 stack_walk (func, TRUE, user_data);
1247 mono_install_stack_walk (MonoStackWalkImpl func)
1253 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1255 MonoMethod **dest = data;
1257 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1263 mono_method_get_last_managed (void)
1265 MonoMethod *m = NULL;
1266 stack_walk (last_managed, FALSE, &m);
1271 mono_loader_lock (void)
1273 EnterCriticalSection (&loader_mutex);
1277 mono_loader_unlock (void)
1279 LeaveCriticalSection (&loader_mutex);
1282 MonoMethodSignature*
1283 mono_method_signature (MonoMethod *method)
1285 return method->signature;
1289 mono_method_get_name (MonoMethod *method)
1291 return method->name;
1295 mono_method_get_class (MonoMethod *method)
1297 return method->klass;
1301 mono_method_get_token (MonoMethod *method)
1303 return method->token;
1307 mono_method_get_header (MonoMethod *method)
1313 MonoMethodNormal* mn = (MonoMethodNormal*) method;
1316 if (G_LIKELY (mn->header))
1322 if (method->klass->dummy || (method->flags & METHOD_ATTRIBUTE_ABSTRACT) || (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) || (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) || (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
1325 mono_loader_lock ();
1328 mono_loader_unlock ();
1332 g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
1333 idx = mono_metadata_token_index (method->token);
1334 img = method->klass->image;
1335 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
1336 loc = mono_image_rva_map (img, rva);
1340 mn->header = mono_metadata_parse_mh_full (img, mn->generic_container, loc);
1342 mono_loader_unlock ();
1347 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1350 *iflags = method->iflags;
1351 return method->flags;