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_class)
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_class) {
229 gclass = mono_class_from_mono_type (sclass->generic_class->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_class)
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_class) {
344 g_assert (klass->generic_class->container);
345 container = klass->generic_class->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_class && (klass != method->klass))
370 method = mono_class_inflate_generic_method (
371 method, klass->generic_class->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->gclass) {
461 g_assert (context->gclass->container);
462 container->parent = context->gclass->container;
464 container->parent = context->container;
467 gmethod = g_new0 (MonoGenericMethod, 1);
468 gmethod->container = container;
469 gmethod->inst = g_new0 (MonoGenericInst, 1);
470 gmethod->inst->type_argc = param_count;
471 gmethod->inst->type_argv = g_new0 (MonoType *, param_count);
473 for (i = 0; i < param_count; i++) {
474 MonoType *t = mono_metadata_parse_type_full (
475 image, container, MONO_PARSE_TYPE, 0, ptr, &ptr);
478 t = mono_class_inflate_generic_type (t, context);
480 gmethod->inst->type_argv [i] = t;
482 if (!gmethod->inst->is_open)
483 gmethod->inst->is_open = mono_class_is_open_constructed_type (gmethod->inst->type_argv [i]);
486 if (!container->method_hash)
487 container->method_hash = g_hash_table_new (
488 mono_metadata_generic_method_hash, mono_metadata_generic_method_equal);
490 inflated = g_hash_table_lookup (container->method_hash, gmethod);
492 g_free (gmethod->inst->type_argv);
493 g_free (gmethod->inst);
500 new_context = g_new0 (MonoGenericContext, 1);
501 new_context->gmethod = gmethod;
503 context = new_context;
505 new_context = g_new0 (MonoGenericContext, 1);
506 new_context->gmethod = gmethod;
507 new_context->gclass = context->gclass;
509 context = new_context;
512 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
513 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
515 inflated = mono_class_inflate_generic_method (method, context, NULL);
516 g_hash_table_insert (container->method_hash, gmethod, inflated);
519 context->gclass = inflated->klass->generic_class;
523 typedef struct MonoDllMap MonoDllMap;
532 static GHashTable *global_dll_map;
535 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
536 MonoDllMap *map, *tmp;
545 map = g_hash_table_lookup (dll_map, dll);
547 mono_loader_unlock ();
550 *rdll = map->target? map->target: dll;
552 for (tmp = map->next; tmp; tmp = tmp->next) {
553 if (strcmp (func, tmp->name) == 0) {
557 mono_loader_unlock ();
562 mono_loader_unlock ();
567 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
570 if (assembly && assembly->dll_map) {
571 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
575 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
579 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
580 MonoDllMap *map, *entry;
581 GHashTable *dll_map = NULL;
587 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
588 dll_map = global_dll_map;
590 if (!assembly->dll_map)
591 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
592 dll_map = assembly->dll_map;
595 map = g_hash_table_lookup (dll_map, dll);
597 map = g_new0 (MonoDllMap, 1);
598 map->dll = g_strdup (dll);
600 map->target = g_strdup (tdll);
601 g_hash_table_insert (dll_map, map->dll, map);
604 entry = g_new0 (MonoDllMap, 1);
605 entry->name = g_strdup (func);
607 entry->target = g_strdup (tfunc);
608 if (tdll && map->target && strcmp (map->target, tdll))
609 entry->dll = g_strdup (tdll);
610 entry->next = map->next;
614 mono_loader_unlock ();
618 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
620 MonoImage *image = method->klass->image;
621 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
622 MonoTableInfo *tables = image->tables;
623 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
624 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
625 guint32 im_cols [MONO_IMPLMAP_SIZE];
627 const char *import = NULL;
628 const char *orig_scope;
629 const char *new_scope;
630 char *full_name, *file_name;
632 GModule *gmodule = NULL;
634 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
639 if (method->klass->image->dynamic) {
640 MonoReflectionMethodAux *method_aux =
641 mono_g_hash_table_lookup (
642 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
646 import = method_aux->dllentry;
647 orig_scope = method_aux->dll;
650 if (!piinfo->implmap_idx)
653 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
655 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
656 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
657 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
658 orig_scope = mono_metadata_string_heap (image, scope_token);
661 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
663 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
664 "DllImport attempting to load: '%s'.", new_scope);
672 * Try loading the module using a variety of names
674 for (i = 0; i < 3; ++i) {
677 /* Try the original name */
678 file_name = g_strdup (new_scope);
681 /* Try trimming the .dll extension */
682 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
683 file_name = g_strdup (new_scope);
684 file_name [strlen (new_scope) - 4] = '\0';
690 if (strstr (new_scope, "lib") != new_scope) {
691 file_name = g_strdup_printf ("lib%s", new_scope);
699 full_name = g_module_build_path (NULL, file_name);
700 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
701 "DllImport loading location: '%s'.", full_name);
702 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
704 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
705 "DllImport error loading library: '%s'.",
712 full_name = g_module_build_path (".", file_name);
713 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
714 "DllImport loading library: '%s'.", full_name);
715 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
717 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
718 "DllImport error loading library '%s'.",
725 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
726 "DllImport loading: '%s'.", file_name);
727 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
729 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
730 "DllImport error loading library '%s'.",
742 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
743 "DllImport unable to load library '%s'.",
747 *exc_class = "DllNotFoundException";
748 *exc_arg = orig_scope;
753 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
754 g_module_symbol (gmodule, import, &piinfo->addr);
758 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
759 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
760 mangled_name = g_strconcat (import, "W", NULL);
761 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
762 g_free (mangled_name);
765 g_module_symbol (gmodule, import, &piinfo->addr);
767 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
768 g_module_symbol (gmodule, import, &piinfo->addr);
770 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
772 mangled_name = g_strconcat (import, "A", NULL);
773 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
774 g_free (mangled_name);
777 g_module_symbol (gmodule, import, &piinfo->addr);
782 #ifdef PLATFORM_WIN32
783 /* Try the stdcall mangled name */
785 /* FIX: Compute this correctly */
786 mangled_name = g_strdup_printf ("%s@%d", import, method->signature->param_count * sizeof (gpointer));
787 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
788 g_free (mangled_name);
791 mangled_name = g_strdup_printf ("_%s@%d", import, method->signature->param_count * sizeof (gpointer));
792 g_module_symbol (gmodule, mangled_name, &piinfo->addr);
793 g_free (mangled_name);
800 *exc_class = "EntryPointNotFoundException";
809 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
810 MonoGenericContext *context)
813 int table = mono_metadata_token_table (token);
814 int idx = mono_metadata_token_index (token);
815 MonoTableInfo *tables = image->tables;
816 MonoGenericContainer *generic_container = NULL, *container = NULL;
817 const char *sig = NULL;
819 guint32 cols [MONO_TYPEDEF_SIZE];
822 return mono_lookup_dynamic_token (image, token);
824 if (table != MONO_TABLE_METHOD) {
825 MonoGenericContainer *generic_container = NULL;
827 if (context->gclass) {
828 g_assert (context->gclass->container);
829 generic_container = context->gclass->container;
831 generic_container = context->container;
833 if (table == MONO_TABLE_METHODSPEC)
834 return method_from_methodspec (image, context, idx);
835 if (table != MONO_TABLE_MEMBERREF)
836 g_print("got wrong token: 0x%08x\n", token);
837 g_assert (table == MONO_TABLE_MEMBERREF);
838 result = method_from_memberref (image, idx, context);
843 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
845 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
846 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
847 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
849 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
852 result->klass = klass;
853 result->flags = cols [2];
854 result->iflags = cols [1];
855 result->token = token;
856 result->name = mono_metadata_string_heap (image, cols [3]);
859 container = klass->generic_container;
861 if (!(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
862 (!(cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) || cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
863 generic_container = mono_metadata_load_generic_params (image, token);
864 if (generic_container) {
865 generic_container->parent = container;
866 generic_container->is_method = 1;
867 container = generic_container;
871 if (!sig) /* already taken from the methodref */
872 sig = mono_metadata_blob_heap (image, cols [4]);
873 size = mono_metadata_decode_blob_size (sig, &sig);
874 result->signature = mono_metadata_parse_method_signature_full (image, container, idx, sig, NULL);
876 if (!result->klass) {
877 guint32 type = mono_metadata_typedef_from_method (image, token);
878 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
881 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
882 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
883 result->string_ctor = 1;
885 result->signature->pinvoke = 1;
886 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
887 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
888 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
889 MonoCallConvention conv = 0;
891 result->signature->pinvoke = 1;
892 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
893 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
895 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
896 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
897 conv = MONO_CALL_DEFAULT;
899 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
902 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
903 conv = MONO_CALL_STDCALL;
905 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
906 conv = MONO_CALL_THISCALL;
908 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
909 conv = MONO_CALL_FASTCALL;
911 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
912 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
914 g_warning ("unsupported calling convention");
915 g_assert_not_reached ();
917 result->signature->call_convention = conv;
919 if (result->signature->generic_param_count) {
920 MonoMethodSignature *sig = result->signature;
922 for (i = 0; i < sig->generic_param_count; i++) {
923 generic_container->type_params [i].method = result;
925 mono_class_from_generic_parameter (
926 &generic_container->type_params [i], image, TRUE);
929 if (sig->ret->type == MONO_TYPE_MVAR) {
930 int num = sig->ret->data.generic_param->num;
931 sig->ret->data.generic_param = &generic_container->type_params [num];
934 for (i = 0; i < sig->param_count; i++) {
935 MonoType *t = sig->params [i];
936 if (t->type == MONO_TYPE_MVAR) {
937 int num = t->data.generic_param->num;
938 sig->params [i]->data.generic_param = &generic_container->type_params [num];
943 /* FIXME: lazyness for generics too, but how? */
944 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
945 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
946 gpointer loc = mono_image_rva_map (image, cols [0]);
948 ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (image, container, loc);
951 ((MonoMethodNormal *) result)->generic_container = generic_container;
958 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
960 return mono_get_method_full (image, token, klass, NULL);
964 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
965 MonoGenericContext *context)
969 /* We do everything inside the lock to prevent creation races */
973 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
974 mono_loader_unlock ();
978 result = mono_get_method_from_token (image, token, klass, context);
980 if (!(result && result->signature->is_inflated))
981 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
983 mono_loader_unlock ();
989 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
990 MonoGenericContext *context)
992 MonoMethod *method, *result;
993 MonoClass *ic = NULL;
997 method = mono_get_method_from_token (image, token, NULL, context);
999 mono_loader_unlock ();
1003 mono_class_init (constrained_class);
1005 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
1008 result = find_method (constrained_class, ic, method->name, method->signature);
1010 g_warning ("Missing method %s in assembly %s token %x", method->name,
1011 image->name, token);
1013 mono_loader_unlock ();
1018 mono_free_method (MonoMethod *method)
1020 mono_metadata_free_method_signature (method->signature);
1021 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
1022 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
1029 mono_method_get_param_names (MonoMethod *method, const char **names)
1032 MonoClass *klass = method->klass;
1033 MonoTableInfo *methodt;
1034 MonoTableInfo *paramt;
1036 if (!method->signature->param_count)
1038 for (i = 0; i < method->signature->param_count; ++i)
1041 if (klass->generic_class) /* copy the names later */
1044 mono_class_init (klass);
1046 if (klass->image->dynamic) {
1047 MonoReflectionMethodAux *method_aux =
1048 mono_g_hash_table_lookup (
1049 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1050 if (method_aux && method_aux->param_names) {
1051 for (i = 0; i < method->signature->param_count; ++i)
1052 if (method_aux->param_names [i + 1])
1053 names [i] = method_aux->param_names [i + 1];
1058 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1059 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1060 for (i = 0; i < klass->method.count; ++i) {
1061 if (method == klass->methods [i]) {
1062 guint32 idx = klass->method.first + i;
1063 guint32 cols [MONO_PARAM_SIZE];
1064 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1066 if (idx + 1 < methodt->rows)
1067 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1069 lastp = paramt->rows + 1;
1070 for (i = param_index; i < lastp; ++i) {
1071 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1072 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
1073 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
1081 mono_method_get_param_token (MonoMethod *method, int index)
1084 MonoClass *klass = method->klass;
1085 MonoTableInfo *methodt;
1087 if (klass->generic_class)
1088 g_assert_not_reached ();
1090 mono_class_init (klass);
1092 if (klass->image->dynamic) {
1093 g_assert_not_reached ();
1096 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1097 for (i = 0; i < klass->method.count; ++i) {
1098 if (method == klass->methods [i]) {
1099 guint32 idx = klass->method.first + i;
1100 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1102 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1110 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1113 MonoClass *klass = method->klass;
1114 MonoTableInfo *methodt;
1115 MonoTableInfo *paramt;
1117 for (i = 0; i < method->signature->param_count + 1; ++i)
1120 if (method->klass->image->dynamic) {
1121 MonoReflectionMethodAux *method_aux =
1122 mono_g_hash_table_lookup (
1123 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1124 if (method_aux && method_aux->param_marshall) {
1125 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1126 for (i = 0; i < method->signature->param_count + 1; ++i)
1127 if (dyn_specs [i]) {
1128 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1129 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1135 mono_class_init (klass);
1137 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1138 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1140 for (i = 0; i < klass->method.count; ++i) {
1141 if (method == klass->methods [i]) {
1142 guint32 idx = klass->method.first + i;
1143 guint32 cols [MONO_PARAM_SIZE];
1144 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1146 if (idx + 1 < methodt->rows)
1147 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1149 lastp = paramt->rows + 1;
1151 for (i = param_index; i < lastp; ++i) {
1152 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1154 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1156 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1158 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1168 mono_method_has_marshal_info (MonoMethod *method)
1171 MonoClass *klass = method->klass;
1172 MonoTableInfo *methodt;
1173 MonoTableInfo *paramt;
1175 if (method->klass->image->dynamic) {
1176 MonoReflectionMethodAux *method_aux =
1177 mono_g_hash_table_lookup (
1178 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1179 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1181 for (i = 0; i < method->signature->param_count + 1; ++i)
1188 mono_class_init (klass);
1190 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1191 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1193 for (i = 0; i < klass->method.count; ++i) {
1194 if (method == klass->methods [i]) {
1195 guint32 idx = klass->method.first + i;
1196 guint32 cols [MONO_PARAM_SIZE];
1197 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1199 if (idx + 1 < methodt->rows)
1200 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1202 lastp = paramt->rows + 1;
1204 for (i = param_index; i < lastp; ++i) {
1205 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1207 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1217 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1220 g_assert (method != NULL);
1221 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1223 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
1224 g_assert_not_reached ();
1230 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1231 g_error ("stack walk not installed");
1234 static MonoStackWalkImpl stack_walk = default_stack_walk;
1237 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1239 stack_walk (func, FALSE, user_data);
1243 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1245 stack_walk (func, TRUE, user_data);
1249 mono_install_stack_walk (MonoStackWalkImpl func)
1255 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1257 MonoMethod **dest = data;
1259 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1265 mono_method_get_last_managed (void)
1267 MonoMethod *m = NULL;
1268 stack_walk (last_managed, FALSE, &m);
1273 mono_loader_lock (void)
1275 EnterCriticalSection (&loader_mutex);
1279 mono_loader_unlock (void)
1281 LeaveCriticalSection (&loader_mutex);
1284 MonoMethodSignature*
1285 mono_method_signature (MonoMethod *method)
1287 return method->signature;
1291 mono_method_get_name (MonoMethod *method)
1293 return method->name;
1297 mono_method_get_class (MonoMethod *method)
1299 return method->klass;
1303 mono_method_get_token (MonoMethod *method)
1305 return method->token;
1309 mono_method_get_header (MonoMethod *method)
1315 MonoMethodNormal* mn = (MonoMethodNormal*) method;
1318 if (G_LIKELY (mn->header))
1324 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))
1327 mono_loader_lock ();
1330 mono_loader_unlock ();
1334 g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
1335 idx = mono_metadata_token_index (method->token);
1336 img = method->klass->image;
1337 rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
1338 loc = mono_image_rva_map (img, rva);
1342 mn->header = mono_metadata_parse_mh_full (img, mn->generic_container, loc);
1344 mono_loader_unlock ();
1349 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1352 *iflags = method->iflags;
1353 return method->flags;