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 static void mono_loader_wine_init (void);
40 MonoDefaults mono_defaults;
43 * This lock protects the hash tables inside MonoImage used by the metadata
44 * loading functions in class.c and loader.c.
46 static CRITICAL_SECTION loader_mutex;
51 InitializeCriticalSection (&loader_mutex);
54 static MonoClassField*
55 field_from_memberref (MonoImage *image, guint32 token, MonoClass **retklass,
56 MonoGenericContext *context)
59 MonoTableInfo *tables = image->tables;
61 guint32 nindex, class;
64 guint32 idx = mono_metadata_token_index (token);
67 MonoClassField *result = mono_lookup_dynamic_token (image, token);
68 *retklass = result->parent;
72 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
73 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
74 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
76 fname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
78 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
79 mono_metadata_decode_blob_size (ptr, &ptr);
80 /* we may want to check the signature here... */
83 case MONO_MEMBERREF_PARENT_TYPEREF:
84 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
86 g_warning ("Missing field %s in typeref index %d", fname, nindex);
89 mono_class_init (klass);
92 return mono_class_get_field_from_name (klass, fname);
93 case MONO_MEMBERREF_PARENT_TYPESPEC: {
94 /*guint32 bcols [MONO_TYPESPEC_SIZE];
98 mono_metadata_decode_row (&tables [MONO_TABLE_TYPESPEC], nindex - 1,
99 bcols, MONO_TYPESPEC_SIZE);
100 ptr = mono_metadata_blob_heap (image, bcols [MONO_TYPESPEC_SIGNATURE]);
101 len = mono_metadata_decode_value (ptr, &ptr);
102 type = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
104 klass = mono_class_from_mono_type (type);
105 mono_class_init (klass);
106 g_print ("type in sig: %s\n", klass->name);*/
107 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
108 mono_class_init (klass);
111 return mono_class_get_field_from_name (klass, fname);
114 g_warning ("field load from %x", class);
120 mono_field_from_token (MonoImage *image, guint32 token, MonoClass **retklass,
121 MonoGenericContext *context)
125 MonoClassField *field;
127 if (image->dynamic) {
128 MonoClassField *result = mono_lookup_dynamic_token (image, token);
129 *retklass = result->parent;
134 if ((field = g_hash_table_lookup (image->field_cache, GUINT_TO_POINTER (token)))) {
135 *retklass = field->parent;
136 mono_loader_unlock ();
139 mono_loader_unlock ();
141 if (mono_metadata_token_table (token) == MONO_TABLE_MEMBERREF)
142 field = field_from_memberref (image, token, retklass, context);
144 type = mono_metadata_typedef_from_field (image, mono_metadata_token_index (token));
147 k = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
153 field = mono_class_get_field (k, token);
157 if (!field->parent->generic_inst)
158 g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
159 mono_loader_unlock ();
164 mono_metadata_signature_vararg_match (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
168 if (sig1->hasthis != sig2->hasthis ||
169 sig1->sentinelpos != sig2->sentinelpos)
172 for (i = 0; i < sig1->sentinelpos; i++) {
173 MonoType *p1 = sig1->params[i];
174 MonoType *p2 = sig2->params[i];
176 /*if (p1->attrs != p2->attrs)
179 if (!mono_metadata_type_equal (p1, p2))
183 if (!mono_metadata_type_equal (sig1->ret, sig2->ret))
189 find_method (MonoClass *klass, MonoClass *ic, const char* name, MonoMethodSignature *sig)
192 MonoClass *sclass = klass;
193 char *qname, *fqname;
196 qname = g_strconcat (ic->name, ".", name, NULL);
197 if (ic->name_space && ic->name_space [0])
198 fqname = g_strconcat (ic->name_space, ".", ic->name, ".", name, NULL);
202 qname = fqname = NULL;
205 for (i = 0; i < klass->method.count; ++i) {
206 MonoMethod *m = klass->methods [i];
208 if (!((fqname && !strcmp (m->name, fqname)) ||
209 (qname && !strcmp (m->name, qname)) || !strcmp (m->name, name)))
212 if (sig->call_convention == MONO_CALL_VARARG) {
213 if (mono_metadata_signature_vararg_match (sig, m->signature))
216 if (mono_metadata_signature_equal (sig, m->signature))
221 if (name [0] == '.' && (strcmp (name, ".ctor") == 0 || strcmp (name, ".cctor") == 0))
224 klass = klass->parent;
227 if (sclass->generic_inst) {
231 gclass = mono_class_from_mono_type (sclass->generic_inst->generic_type);
232 mono_class_init (gclass);
234 res = find_method (gclass, ic, name, sig);
237 for (i = 0; i < res->klass->method.count; ++i) {
238 if (res == res->klass->methods [i]) {
239 return sclass->methods [i];
248 * token is the method_ref or method_def token used in a call IL instruction.
251 mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
253 int table = mono_metadata_token_table (token);
254 int idx = mono_metadata_token_index (token);
255 guint32 cols [MONO_MEMBERREF_SIZE];
256 MonoMethodSignature *sig;
259 /* !table is for wrappers: we should really assign their own token to them */
260 if (!table || table == MONO_TABLE_METHOD)
261 return method->signature;
263 if (table == MONO_TABLE_METHODSPEC) {
264 g_assert (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) &&
265 !(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
267 g_assert (method->signature->is_inflated);
269 return method->signature;
272 if (method->klass->generic_inst)
273 return method->signature;
276 /* FIXME: This might be incorrect for vararg methods */
277 return method->signature;
279 if (!(sig = g_hash_table_lookup (image->memberref_signatures, GUINT_TO_POINTER (token)))) {
280 mono_metadata_decode_row (&image->tables [MONO_TABLE_MEMBERREF], idx-1, cols, MONO_MEMBERREF_SIZE);
282 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
283 mono_metadata_decode_blob_size (ptr, &ptr);
284 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
285 g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
292 method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *context)
296 MonoTableInfo *tables = image->tables;
298 guint32 nindex, class;
300 MonoMethodSignature *sig;
303 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
304 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
305 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
306 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
307 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
309 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
311 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
312 mono_metadata_decode_blob_size (ptr, &ptr);
313 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
316 case MONO_MEMBERREF_PARENT_TYPEREF:
317 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
319 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
320 mono_metadata_free_method_signature (sig);
323 mono_class_init (klass);
324 method = find_method (klass, NULL, mname, sig);
326 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
327 mono_metadata_free_method_signature (sig);
329 case MONO_MEMBERREF_PARENT_TYPESPEC: {
330 guint32 bcols [MONO_TYPESPEC_SIZE];
336 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
337 type = &klass->byval_arg;
339 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
340 mono_class_init (klass);
341 method = find_method (klass, NULL, mname, sig);
343 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
344 else if (klass->generic_inst && (klass != method->klass))
345 method = mono_class_inflate_generic_method (
346 method, klass->generic_inst->context, klass);
347 mono_metadata_free_method_signature (sig);
351 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
352 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
353 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
354 result->signature = sig;
355 result->name = mname;
357 if (!strcmp (mname, ".ctor")) {
358 /* we special-case this in the runtime. */
363 if (!strcmp (mname, "Set")) {
364 g_assert (sig->hasthis);
365 g_assert (type->data.array->rank + 1 == sig->param_count);
366 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
371 if (!strcmp (mname, "Get")) {
372 g_assert (sig->hasthis);
373 g_assert (type->data.array->rank == sig->param_count);
374 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
379 if (!strcmp (mname, "Address")) {
380 g_assert (sig->hasthis);
381 g_assert (type->data.array->rank == sig->param_count);
382 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
387 g_assert_not_reached ();
390 case MONO_MEMBERREF_PARENT_TYPEDEF:
391 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
393 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
394 mono_metadata_free_method_signature (sig);
397 mono_class_init (klass);
398 method = find_method (klass, NULL, mname, sig);
400 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
401 mono_metadata_free_method_signature (sig);
403 case MONO_MEMBERREF_PARENT_METHODDEF:
404 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
407 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
408 g_assert_not_reached ();
415 method_from_methodspec (MonoImage *image, guint32 idx)
417 MonoMethod *method, *inflated;
418 MonoTableInfo *tables = image->tables;
419 MonoGenericContext *context;
420 MonoGenericMethod *gmethod;
422 guint32 cols [MONO_METHODSPEC_SIZE];
423 guint32 token, param_count, i;
425 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
426 token = cols [MONO_METHODSPEC_METHOD];
427 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
428 token = MONO_TOKEN_METHOD_DEF | (token >> MONO_METHODDEFORREF_BITS);
430 token = MONO_TOKEN_MEMBER_REF | (token >> MONO_METHODDEFORREF_BITS);
432 method = mono_get_method (image, token, NULL);
434 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
436 mono_metadata_decode_value (ptr, &ptr);
438 param_count = mono_metadata_decode_value (ptr, &ptr);
440 gmethod = g_new0 (MonoGenericMethod, 1);
441 gmethod->mtype_argc = param_count;
442 gmethod->mtype_argv = g_new0 (MonoType *, param_count);
444 for (i = 0; i < param_count; i++) {
445 gmethod->mtype_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
447 if (!gmethod->is_open)
448 gmethod->is_open = mono_class_is_open_constructed_type (gmethod->mtype_argv [i]);
451 context = g_new0 (MonoGenericContext, 1);
452 context->gmethod = gmethod;
454 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
455 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
457 inflated = mono_class_inflate_generic_method (method, context, NULL);
459 context->ginst = inflated->klass->generic_inst;
463 typedef struct MonoDllMap MonoDllMap;
472 static GHashTable *global_dll_map;
475 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
476 MonoDllMap *map, *tmp;
485 map = g_hash_table_lookup (dll_map, dll);
487 mono_loader_unlock ();
490 *rdll = map->target? map->target: dll;
492 for (tmp = map->next; tmp; tmp = tmp->next) {
493 if (strcmp (func, tmp->name) == 0) {
497 mono_loader_unlock ();
502 mono_loader_unlock ();
507 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
510 if (assembly && assembly->dll_map) {
511 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
515 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
519 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
520 MonoDllMap *map, *entry;
521 GHashTable *dll_map = NULL;
527 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
528 dll_map = global_dll_map;
530 if (!assembly->dll_map)
531 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
532 dll_map = assembly->dll_map;
535 map = g_hash_table_lookup (dll_map, dll);
537 map = g_new0 (MonoDllMap, 1);
538 map->dll = g_strdup (dll);
540 map->target = g_strdup (tdll);
541 g_hash_table_insert (dll_map, map->dll, map);
544 entry = g_new0 (MonoDllMap, 1);
545 entry->name = g_strdup (func);
547 entry->target = g_strdup (tfunc);
548 if (tdll && map->target && strcmp (map->target, tdll))
549 entry->dll = g_strdup (tdll);
550 entry->next = map->next;
554 mono_loader_unlock ();
558 mono_dllmap_free (GHashTable *dll_map)
562 static int wine_test_needed = 1;
565 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
567 MonoImage *image = method->klass->image;
568 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
569 MonoTableInfo *tables = image->tables;
570 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
571 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
572 guint32 im_cols [MONO_IMPLMAP_SIZE];
574 const char *import = NULL;
575 const char *orig_scope;
576 const char *new_scope;
577 char *full_name, *file_name;
579 GModule *gmodule = NULL;
581 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
590 if (!piinfo->implmap_idx)
593 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
595 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
596 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
597 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
598 orig_scope = mono_metadata_string_heap (image, scope_token);
600 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
602 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
603 "DllImport attempting to load: '%s'.", new_scope);
605 #ifndef PLATFORM_WIN32
607 * If we are P/Invoking a library from System.Windows.Forms, load Wine
609 if (wine_test_needed && strcmp (image->assembly_name, "System.Windows.Forms") == 0){
610 mono_loader_wine_init ();
611 wine_test_needed = 0;
616 * Try loading the module using a variety of names
618 for (i = 0; i < 2; ++i) {
620 /* Try the original name */
621 file_name = g_strdup (new_scope);
623 /* Try trimming the .dll extension */
624 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
625 file_name = g_strdup (new_scope);
626 file_name [strlen (new_scope) - 4] = '\0';
633 full_name = g_module_build_path (NULL, file_name);
634 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
635 "DllImport loading location: '%s'.", full_name);
636 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
638 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
639 "DllImport error loading library: '%s'.",
646 full_name = g_module_build_path (".", file_name);
647 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
648 "DllImport loading library: '%s'.", full_name);
649 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
651 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
652 "DllImport error loading library '%s'.",
659 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
660 "DllImport loading: '%s'.", file_name);
661 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
663 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
664 "DllImport error loading library '%s'.",
676 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
677 "DllImport unable to load library '%s'.",
681 *exc_class = "DllNotFoundException";
682 *exc_arg = orig_scope;
687 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
688 g_module_symbol (gmodule, import, &method->addr);
692 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
693 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
694 mangled_name = g_strconcat (import, "W", NULL);
695 g_module_symbol (gmodule, mangled_name, &method->addr);
696 g_free (mangled_name);
699 g_module_symbol (gmodule, import, &method->addr);
701 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
702 g_module_symbol (gmodule, import, &method->addr);
704 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
706 mangled_name = g_strconcat (import, "A", NULL);
707 g_module_symbol (gmodule, mangled_name, &method->addr);
708 g_free (mangled_name);
711 g_module_symbol (gmodule, import, &method->addr);
719 *exc_class = "EntryPointNotFoundException";
728 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
729 MonoGenericContext *context)
732 int table = mono_metadata_token_table (token);
733 int idx = mono_metadata_token_index (token);
734 MonoTableInfo *tables = image->tables;
735 const char *loc, *sig = NULL;
737 guint32 cols [MONO_TYPEDEF_SIZE];
740 return mono_lookup_dynamic_token (image, token);
742 if (table != MONO_TABLE_METHOD) {
743 if (table == MONO_TABLE_METHODSPEC)
744 return method_from_methodspec (image, idx);
745 if (table != MONO_TABLE_MEMBERREF)
746 g_print("got wrong token: 0x%08x\n", token);
747 g_assert (table == MONO_TABLE_MEMBERREF);
748 result = method_from_memberref (image, idx, context);
753 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
755 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
756 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
757 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
759 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
762 result->klass = klass;
763 result->flags = cols [2];
764 result->iflags = cols [1];
765 result->token = token;
766 result->name = mono_metadata_string_heap (image, cols [3]);
768 if (!sig) /* already taken from the methodref */
769 sig = mono_metadata_blob_heap (image, cols [4]);
770 size = mono_metadata_decode_blob_size (sig, &sig);
771 result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
773 if (!result->klass) {
774 guint32 type = mono_metadata_typedef_from_method (image, token);
775 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
778 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
779 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
780 result->string_ctor = 1;
782 result->signature->pinvoke = 1;
783 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
784 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
785 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
786 MonoCallConvention conv = 0;
788 result->signature->pinvoke = 1;
789 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
790 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
792 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
793 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
794 conv = MONO_CALL_DEFAULT;
796 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
799 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
800 conv = MONO_CALL_STDCALL;
802 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
803 conv = MONO_CALL_THISCALL;
805 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
806 conv = MONO_CALL_FASTCALL;
808 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
809 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
811 g_warning ("unsupported calling convention");
812 g_assert_not_reached ();
814 result->signature->call_convention = conv;
816 MonoGenericParam *gen_params = NULL;
818 /* if this is a methodref from another module/assembly, this fails */
819 loc = mono_cli_rva_map ((MonoCLIImageInfo *)image->image_info, cols [0]);
821 if (result->signature->generic_param_count) {
822 MonoMethodSignature *sig = result->signature;
824 gen_params = mono_metadata_load_generic_params (image, token, NULL);
826 for (i = 0; i < sig->generic_param_count; i++) {
827 gen_params [i].method = result;
829 mono_class_from_generic_parameter (
830 &gen_params [i], image, TRUE);
833 if (sig->ret->type == MONO_TYPE_MVAR) {
834 int num = sig->ret->data.generic_param->num;
835 sig->ret->data.generic_param = &gen_params [num];
838 for (i = 0; i < sig->param_count; i++) {
839 MonoType *t = sig->params [i];
840 if (t->type == MONO_TYPE_MVAR) {
841 int num = t->data.generic_param->num;
842 sig->params [i]->data.generic_param = &gen_params [num];
847 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
848 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
849 MonoMethodNormal *mn = (MonoMethodNormal *) result;
852 mn->header = mono_metadata_parse_mh (image, loc);
853 mn->header->gen_params = gen_params;
861 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
863 return mono_get_method_full (image, token, klass, NULL);
867 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
868 MonoGenericContext *context)
872 /* We do everything inside the lock to prevent creation races */
876 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
877 mono_loader_unlock ();
881 result = mono_get_method_from_token (image, token, klass, context);
883 if (!(result && result->signature->is_inflated))
884 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
886 mono_loader_unlock ();
892 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
893 MonoGenericContext *context)
895 MonoMethod *method, *result;
896 MonoClass *ic = NULL;
901 method = mono_get_method_from_token (image, token, NULL, context);
903 mono_loader_unlock ();
907 mono_class_init (constrained_class);
909 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
912 result = find_method (constrained_class, ic, method->name, method->signature);
914 g_warning ("Missing method %s in assembly %s token %x", method->name,
917 mono_loader_unlock ();
922 mono_free_method (MonoMethod *method)
924 mono_metadata_free_method_signature (method->signature);
925 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
926 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
927 g_free (piinfo->code);
928 } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
929 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
936 mono_method_get_param_names (MonoMethod *method, const char **names)
939 MonoClass *klass = method->klass;
940 MonoTableInfo *methodt;
941 MonoTableInfo *paramt;
943 if (!method->signature->param_count)
945 for (i = 0; i < method->signature->param_count; ++i)
948 if (klass->generic_inst) /* copy the names later */
951 mono_class_init (klass);
953 if (klass->image->dynamic) {
954 MonoReflectionMethodAux *method_aux =
955 mono_g_hash_table_lookup (
956 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
957 if (method_aux && method_aux->param_names) {
958 for (i = 0; i < method->signature->param_count; ++i)
959 if (method_aux->param_names [i + 1])
960 names [i] = method_aux->param_names [i + 1];
965 methodt = &klass->image->tables [MONO_TABLE_METHOD];
966 paramt = &klass->image->tables [MONO_TABLE_PARAM];
967 for (i = 0; i < klass->method.count; ++i) {
968 if (method == klass->methods [i]) {
969 guint32 idx = klass->method.first + i;
970 guint32 cols [MONO_PARAM_SIZE];
971 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
973 if (idx + 1 < methodt->rows)
974 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
976 lastp = paramt->rows + 1;
977 for (i = param_index; i < lastp; ++i) {
978 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
979 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
980 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
988 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
991 MonoClass *klass = method->klass;
992 MonoTableInfo *methodt;
993 MonoTableInfo *paramt;
995 for (i = 0; i < method->signature->param_count + 1; ++i)
998 if (method->klass->image->dynamic) {
999 MonoReflectionMethodAux *method_aux =
1000 mono_g_hash_table_lookup (
1001 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1002 if (method_aux && method_aux->param_marshall) {
1003 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1004 for (i = 0; i < method->signature->param_count + 1; ++i)
1005 if (dyn_specs [i]) {
1006 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1007 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1013 mono_class_init (klass);
1015 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1016 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1018 for (i = 0; i < klass->method.count; ++i) {
1019 if (method == klass->methods [i]) {
1020 guint32 idx = klass->method.first + i;
1021 guint32 cols [MONO_PARAM_SIZE];
1022 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1024 if (idx + 1 < methodt->rows)
1025 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1027 lastp = paramt->rows + 1;
1029 for (i = param_index; i < lastp; ++i) {
1030 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1032 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1034 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1036 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1046 mono_method_has_marshal_info (MonoMethod *method)
1049 MonoClass *klass = method->klass;
1050 MonoTableInfo *methodt;
1051 MonoTableInfo *paramt;
1053 if (method->klass->image->dynamic) {
1054 MonoReflectionMethodAux *method_aux =
1055 mono_g_hash_table_lookup (
1056 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1057 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1059 for (i = 0; i < method->signature->param_count + 1; ++i)
1066 mono_class_init (klass);
1068 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1069 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1071 for (i = 0; i < klass->method.count; ++i) {
1072 if (method == klass->methods [i]) {
1073 guint32 idx = klass->method.first + i;
1074 guint32 cols [MONO_PARAM_SIZE];
1075 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1077 if (idx + 1 < methodt->rows)
1078 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1080 lastp = paramt->rows + 1;
1082 for (i = param_index; i < lastp; ++i) {
1083 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1085 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1095 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1098 g_assert (method != NULL);
1099 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1101 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
1102 g_assert_not_reached ();
1108 default_stack_walk (MonoStackWalk func, gpointer user_data) {
1109 g_error ("stack walk not installed");
1112 static MonoStackWalkImpl stack_walk = default_stack_walk;
1115 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1117 stack_walk (func, user_data);
1121 mono_install_stack_walk (MonoStackWalkImpl func)
1127 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1129 MonoMethod **dest = data;
1131 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1137 mono_method_get_last_managed (void)
1139 MonoMethod *m = NULL;
1140 stack_walk (last_managed, &m);
1144 #ifndef PLATFORM_WIN32
1146 * This routine exists to load and init Wine due to the special Wine
1147 * requirements: basically the SharedWineInit must be called before
1148 * any modules are dlopened or they will fail to work.
1151 mono_loader_wine_init ()
1153 GModule *module = g_module_open ("winelib.exe.so", G_MODULE_BIND_LAZY);
1154 int (*shared_wine_init)();
1156 if (module == NULL){
1157 if (g_getenv("MONO_DEBUG") != NULL) {
1158 fprintf (stderr, "Could not load winelib.exe.so");
1163 g_module_symbol (module, "SharedWineInit", &shared_wine_init);
1164 if (shared_wine_init == NULL)
1167 shared_wine_init ();
1174 mono_loader_lock (void)
1176 EnterCriticalSection (&loader_mutex);
1180 mono_loader_unlock (void)
1182 LeaveCriticalSection (&loader_mutex);
1185 MonoMethodSignature*
1186 mono_method_signature (MonoMethod *method)
1188 return method->signature;
1192 mono_method_get_name (MonoMethod *method)
1194 return method->name;
1198 mono_method_get_class (MonoMethod *method)
1200 return method->klass;
1204 mono_method_get_token (MonoMethod *method)
1206 return method->token;
1210 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1213 *iflags = method->iflags;
1214 return method->flags;