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)
294 MonoTableInfo *tables = image->tables;
296 guint32 nindex, class;
298 MonoMethodSignature *sig;
301 mono_metadata_decode_row (&tables [MONO_TABLE_MEMBERREF], idx-1, cols, 3);
302 nindex = cols [MONO_MEMBERREF_CLASS] >> MONO_MEMBERREF_PARENT_BITS;
303 class = cols [MONO_MEMBERREF_CLASS] & MONO_MEMBERREF_PARENT_MASK;
304 /*g_print ("methodref: 0x%x 0x%x %s\n", class, nindex,
305 mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
307 mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
309 ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
310 mono_metadata_decode_blob_size (ptr, &ptr);
311 sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
314 case MONO_MEMBERREF_PARENT_TYPEREF:
315 klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
317 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
318 mono_metadata_free_method_signature (sig);
321 mono_class_init (klass);
322 method = find_method (klass, NULL, mname, sig);
324 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
325 mono_metadata_free_method_signature (sig);
327 case MONO_MEMBERREF_PARENT_TYPESPEC: {
332 klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
333 type = &klass->byval_arg;
335 if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
336 mono_class_init (klass);
337 method = find_method (klass, NULL, mname, sig);
339 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
340 else if (klass->generic_inst && (klass != method->klass))
341 method = mono_class_inflate_generic_method (
342 method, klass->generic_inst->context, klass);
343 mono_metadata_free_method_signature (sig);
347 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
348 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_SPEC | nindex);
349 result->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
350 result->signature = sig;
351 result->name = mname;
353 if (!strcmp (mname, ".ctor")) {
354 /* we special-case this in the runtime. */
359 if (!strcmp (mname, "Set")) {
360 g_assert (sig->hasthis);
361 g_assert (type->data.array->rank + 1 == sig->param_count);
362 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
367 if (!strcmp (mname, "Get")) {
368 g_assert (sig->hasthis);
369 g_assert (type->data.array->rank == sig->param_count);
370 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
375 if (!strcmp (mname, "Address")) {
376 g_assert (sig->hasthis);
377 g_assert (type->data.array->rank == sig->param_count);
378 result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
383 g_assert_not_reached ();
386 case MONO_MEMBERREF_PARENT_TYPEDEF:
387 klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
389 g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
390 mono_metadata_free_method_signature (sig);
393 mono_class_init (klass);
394 method = find_method (klass, NULL, mname, sig);
396 g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
397 mono_metadata_free_method_signature (sig);
399 case MONO_MEMBERREF_PARENT_METHODDEF:
400 method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
403 g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
404 g_assert_not_reached ();
411 method_from_methodspec (MonoImage *image, guint32 idx)
413 MonoMethod *method, *inflated;
414 MonoTableInfo *tables = image->tables;
415 MonoGenericContext *context;
416 MonoGenericMethod *gmethod;
418 guint32 cols [MONO_METHODSPEC_SIZE];
419 guint32 token, param_count, i;
421 mono_metadata_decode_row (&tables [MONO_TABLE_METHODSPEC], idx - 1, cols, MONO_METHODSPEC_SIZE);
422 token = cols [MONO_METHODSPEC_METHOD];
423 if ((token & MONO_METHODDEFORREF_MASK) == MONO_METHODDEFORREF_METHODDEF)
424 token = MONO_TOKEN_METHOD_DEF | (token >> MONO_METHODDEFORREF_BITS);
426 token = MONO_TOKEN_MEMBER_REF | (token >> MONO_METHODDEFORREF_BITS);
428 method = mono_get_method (image, token, NULL);
430 ptr = mono_metadata_blob_heap (image, cols [MONO_METHODSPEC_SIGNATURE]);
432 mono_metadata_decode_value (ptr, &ptr);
434 param_count = mono_metadata_decode_value (ptr, &ptr);
436 gmethod = g_new0 (MonoGenericMethod, 1);
437 gmethod->mtype_argc = param_count;
438 gmethod->mtype_argv = g_new0 (MonoType *, param_count);
440 for (i = 0; i < param_count; i++) {
441 gmethod->mtype_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
443 if (!gmethod->is_open)
444 gmethod->is_open = mono_class_is_open_constructed_type (gmethod->mtype_argv [i]);
447 context = g_new0 (MonoGenericContext, 1);
448 context->gmethod = gmethod;
450 mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
451 sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
453 inflated = mono_class_inflate_generic_method (method, context, NULL);
455 context->ginst = inflated->klass->generic_inst;
459 typedef struct MonoDllMap MonoDllMap;
468 static GHashTable *global_dll_map;
471 mono_dllmap_lookup_hash (GHashTable *dll_map, const char *dll, const char* func, const char **rdll, const char **rfunc) {
472 MonoDllMap *map, *tmp;
481 map = g_hash_table_lookup (dll_map, dll);
483 mono_loader_unlock ();
486 *rdll = map->target? map->target: dll;
488 for (tmp = map->next; tmp; tmp = tmp->next) {
489 if (strcmp (func, tmp->name) == 0) {
493 mono_loader_unlock ();
498 mono_loader_unlock ();
503 mono_dllmap_lookup (MonoImage *assembly, const char *dll, const char* func, const char **rdll, const char **rfunc)
506 if (assembly && assembly->dll_map) {
507 res = mono_dllmap_lookup_hash (assembly->dll_map, dll, func, rdll, rfunc);
511 return mono_dllmap_lookup_hash (global_dll_map, dll, func, rdll, rfunc);
515 mono_dllmap_insert (MonoImage *assembly, const char *dll, const char *func, const char *tdll, const char *tfunc) {
516 MonoDllMap *map, *entry;
517 GHashTable *dll_map = NULL;
523 global_dll_map = g_hash_table_new (g_str_hash, g_str_equal);
524 dll_map = global_dll_map;
526 if (!assembly->dll_map)
527 assembly->dll_map = g_hash_table_new (g_str_hash, g_str_equal);
528 dll_map = assembly->dll_map;
531 map = g_hash_table_lookup (dll_map, dll);
533 map = g_new0 (MonoDllMap, 1);
534 map->dll = g_strdup (dll);
536 map->target = g_strdup (tdll);
537 g_hash_table_insert (dll_map, map->dll, map);
540 entry = g_new0 (MonoDllMap, 1);
541 entry->name = g_strdup (func);
543 entry->target = g_strdup (tfunc);
544 if (tdll && map->target && strcmp (map->target, tdll))
545 entry->dll = g_strdup (tdll);
546 entry->next = map->next;
550 mono_loader_unlock ();
554 mono_dllmap_free (GHashTable *dll_map)
559 mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
561 MonoImage *image = method->klass->image;
562 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
563 MonoTableInfo *tables = image->tables;
564 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
565 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
566 guint32 im_cols [MONO_IMPLMAP_SIZE];
568 const char *import = NULL;
569 const char *orig_scope;
570 const char *new_scope;
571 char *full_name, *file_name;
573 GModule *gmodule = NULL;
575 g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
580 if (method->klass->image->dynamic) {
581 MonoReflectionMethodAux *method_aux =
582 mono_g_hash_table_lookup (
583 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
587 import = method_aux->dllentry;
588 orig_scope = method_aux->dll;
591 if (!piinfo->implmap_idx)
594 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
596 piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
597 import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
598 scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
599 orig_scope = mono_metadata_string_heap (image, scope_token);
602 mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
604 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
605 "DllImport attempting to load: '%s'.", new_scope);
613 * Try loading the module using a variety of names
615 for (i = 0; i < 2; ++i) {
617 /* Try the original name */
618 file_name = g_strdup (new_scope);
620 /* Try trimming the .dll extension */
621 if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
622 file_name = g_strdup (new_scope);
623 file_name [strlen (new_scope) - 4] = '\0';
630 full_name = g_module_build_path (NULL, file_name);
631 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
632 "DllImport loading location: '%s'.", full_name);
633 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
635 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
636 "DllImport error loading library: '%s'.",
643 full_name = g_module_build_path (".", file_name);
644 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
645 "DllImport loading library: '%s'.", full_name);
646 gmodule = g_module_open (full_name, G_MODULE_BIND_LAZY);
648 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
649 "DllImport error loading library '%s'.",
656 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
657 "DllImport loading: '%s'.", file_name);
658 gmodule=g_module_open (file_name, G_MODULE_BIND_LAZY);
660 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
661 "DllImport error loading library '%s'.",
673 mono_trace (G_LOG_LEVEL_WARNING, MONO_TRACE_DLLIMPORT,
674 "DllImport unable to load library '%s'.",
678 *exc_class = "DllNotFoundException";
679 *exc_arg = orig_scope;
684 if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
685 g_module_symbol (gmodule, import, &method->addr);
689 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
690 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
691 mangled_name = g_strconcat (import, "W", NULL);
692 g_module_symbol (gmodule, mangled_name, &method->addr);
693 g_free (mangled_name);
696 g_module_symbol (gmodule, import, &method->addr);
698 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
699 g_module_symbol (gmodule, import, &method->addr);
701 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
703 mangled_name = g_strconcat (import, "A", NULL);
704 g_module_symbol (gmodule, mangled_name, &method->addr);
705 g_free (mangled_name);
708 g_module_symbol (gmodule, import, &method->addr);
713 #ifdef PLATFORM_WIN32
714 /* Try the stdcall mangled name */
716 /* FIX: Compute this correctly */
717 mangled_name = g_strdup_printf ("%s@%d", import, method->signature->param_count * sizeof (gpointer));
718 g_module_symbol (gmodule, mangled_name, &method->addr);
719 g_free (mangled_name);
722 mangled_name = g_strdup_printf ("_%s@%d", import, method->signature->param_count * sizeof (gpointer));
723 g_module_symbol (gmodule, mangled_name, &method->addr);
724 g_free (mangled_name);
731 *exc_class = "EntryPointNotFoundException";
740 mono_get_method_from_token (MonoImage *image, guint32 token, MonoClass *klass,
741 MonoGenericContext *context)
744 int table = mono_metadata_token_table (token);
745 int idx = mono_metadata_token_index (token);
746 MonoTableInfo *tables = image->tables;
747 const char *loc, *sig = NULL;
749 guint32 cols [MONO_TYPEDEF_SIZE];
752 return mono_lookup_dynamic_token (image, token);
754 if (table != MONO_TABLE_METHOD) {
755 if (table == MONO_TABLE_METHODSPEC)
756 return method_from_methodspec (image, idx);
757 if (table != MONO_TABLE_MEMBERREF)
758 g_print("got wrong token: 0x%08x\n", token);
759 g_assert (table == MONO_TABLE_MEMBERREF);
760 result = method_from_memberref (image, idx, context);
765 mono_metadata_decode_row (&tables [table], idx - 1, cols, 6);
767 if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
768 (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))
769 result = (MonoMethod *)g_new0 (MonoMethodPInvoke, 1);
771 result = (MonoMethod *)g_new0 (MonoMethodNormal, 1);
774 result->klass = klass;
775 result->flags = cols [2];
776 result->iflags = cols [1];
777 result->token = token;
778 result->name = mono_metadata_string_heap (image, cols [3]);
780 if (!sig) /* already taken from the methodref */
781 sig = mono_metadata_blob_heap (image, cols [4]);
782 size = mono_metadata_decode_blob_size (sig, &sig);
783 result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
785 if (!result->klass) {
786 guint32 type = mono_metadata_typedef_from_method (image, token);
787 result->klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | type);
790 if (cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
791 if (result->klass == mono_defaults.string_class && !strcmp (result->name, ".ctor"))
792 result->string_ctor = 1;
794 result->signature->pinvoke = 1;
795 } else if ((cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) && (!(cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE))) {
796 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)result;
797 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
798 MonoCallConvention conv = 0;
800 result->signature->pinvoke = 1;
801 piinfo->implmap_idx = mono_metadata_implmap_from_method (image, idx - 1);
802 piinfo->piflags = mono_metadata_decode_row_col (im, piinfo->implmap_idx - 1, MONO_IMPLMAP_FLAGS);
804 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CALL_CONV_MASK) {
805 case PINVOKE_ATTRIBUTE_CALL_CONV_WINAPI:
806 conv = MONO_CALL_DEFAULT;
808 case PINVOKE_ATTRIBUTE_CALL_CONV_CDECL:
811 case PINVOKE_ATTRIBUTE_CALL_CONV_STDCALL:
812 conv = MONO_CALL_STDCALL;
814 case PINVOKE_ATTRIBUTE_CALL_CONV_THISCALL:
815 conv = MONO_CALL_THISCALL;
817 case PINVOKE_ATTRIBUTE_CALL_CONV_FASTCALL:
818 conv = MONO_CALL_FASTCALL;
820 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERIC:
821 case PINVOKE_ATTRIBUTE_CALL_CONV_GENERICINST:
823 g_warning ("unsupported calling convention");
824 g_assert_not_reached ();
826 result->signature->call_convention = conv;
828 MonoMethodNormal *mn = (MonoMethodNormal *) result;
829 MonoGenericParam *gen_params = NULL;
831 /* if this is a methodref from another module/assembly, this fails */
832 loc = mono_image_rva_map (image, cols [0]);
834 if (result->signature->generic_param_count) {
835 MonoMethodSignature *sig = result->signature;
837 gen_params = mono_metadata_load_generic_params (image, token, NULL);
839 for (i = 0; i < sig->generic_param_count; i++) {
840 gen_params [i].method = result;
842 mono_class_from_generic_parameter (
843 &gen_params [i], image, TRUE);
846 if (sig->ret->type == MONO_TYPE_MVAR) {
847 int num = sig->ret->data.generic_param->num;
848 sig->ret->data.generic_param = &gen_params [num];
851 for (i = 0; i < sig->param_count; i++) {
852 MonoType *t = sig->params [i];
853 if (t->type == MONO_TYPE_MVAR) {
854 int num = t->data.generic_param->num;
855 sig->params [i]->data.generic_param = &gen_params [num];
860 if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
861 !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
863 mn->header = mono_metadata_parse_mh (image, loc);
866 mn->gen_params = gen_params;
873 mono_get_method (MonoImage *image, guint32 token, MonoClass *klass)
875 return mono_get_method_full (image, token, klass, NULL);
879 mono_get_method_full (MonoImage *image, guint32 token, MonoClass *klass,
880 MonoGenericContext *context)
884 /* We do everything inside the lock to prevent creation races */
888 if ((result = g_hash_table_lookup (image->method_cache, GINT_TO_POINTER (token)))) {
889 mono_loader_unlock ();
893 result = mono_get_method_from_token (image, token, klass, context);
895 if (!(result && result->signature->is_inflated))
896 g_hash_table_insert (image->method_cache, GINT_TO_POINTER (token), result);
898 mono_loader_unlock ();
904 mono_get_method_constrained (MonoImage *image, guint32 token, MonoClass *constrained_class,
905 MonoGenericContext *context)
907 MonoMethod *method, *result;
908 MonoClass *ic = NULL;
912 method = mono_get_method_from_token (image, token, NULL, context);
914 mono_loader_unlock ();
918 mono_class_init (constrained_class);
920 if ((constrained_class != method->klass) && (method->klass->interface_id != 0))
923 result = find_method (constrained_class, ic, method->name, method->signature);
925 g_warning ("Missing method %s in assembly %s token %x", method->name,
928 mono_loader_unlock ();
933 mono_free_method (MonoMethod *method)
935 mono_metadata_free_method_signature (method->signature);
936 if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
937 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
938 g_free (piinfo->code);
939 } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
940 mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
947 mono_method_get_param_names (MonoMethod *method, const char **names)
950 MonoClass *klass = method->klass;
951 MonoTableInfo *methodt;
952 MonoTableInfo *paramt;
954 if (!method->signature->param_count)
956 for (i = 0; i < method->signature->param_count; ++i)
959 if (klass->generic_inst) /* copy the names later */
962 mono_class_init (klass);
964 if (klass->image->dynamic) {
965 MonoReflectionMethodAux *method_aux =
966 mono_g_hash_table_lookup (
967 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
968 if (method_aux && method_aux->param_names) {
969 for (i = 0; i < method->signature->param_count; ++i)
970 if (method_aux->param_names [i + 1])
971 names [i] = method_aux->param_names [i + 1];
976 methodt = &klass->image->tables [MONO_TABLE_METHOD];
977 paramt = &klass->image->tables [MONO_TABLE_PARAM];
978 for (i = 0; i < klass->method.count; ++i) {
979 if (method == klass->methods [i]) {
980 guint32 idx = klass->method.first + i;
981 guint32 cols [MONO_PARAM_SIZE];
982 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
984 if (idx + 1 < methodt->rows)
985 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
987 lastp = paramt->rows + 1;
988 for (i = param_index; i < lastp; ++i) {
989 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
990 if (cols [MONO_PARAM_SEQUENCE]) /* skip return param spec */
991 names [cols [MONO_PARAM_SEQUENCE] - 1] = mono_metadata_string_heap (klass->image, cols [MONO_PARAM_NAME]);
999 mono_method_get_param_token (MonoMethod *method, int index)
1002 MonoClass *klass = method->klass;
1003 MonoTableInfo *methodt;
1005 if (klass->generic_inst)
1006 g_assert_not_reached ();
1008 mono_class_init (klass);
1010 if (klass->image->dynamic) {
1011 g_assert_not_reached ();
1014 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1015 for (i = 0; i < klass->method.count; ++i) {
1016 if (method == klass->methods [i]) {
1017 guint32 idx = klass->method.first + i;
1018 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1020 return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
1028 mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
1031 MonoClass *klass = method->klass;
1032 MonoTableInfo *methodt;
1033 MonoTableInfo *paramt;
1035 for (i = 0; i < method->signature->param_count + 1; ++i)
1038 if (method->klass->image->dynamic) {
1039 MonoReflectionMethodAux *method_aux =
1040 mono_g_hash_table_lookup (
1041 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1042 if (method_aux && method_aux->param_marshall) {
1043 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1044 for (i = 0; i < method->signature->param_count + 1; ++i)
1045 if (dyn_specs [i]) {
1046 mspecs [i] = g_new0 (MonoMarshalSpec, 1);
1047 memcpy (mspecs [i], dyn_specs [i], sizeof (MonoMarshalSpec));
1053 mono_class_init (klass);
1055 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1056 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;
1069 for (i = param_index; i < lastp; ++i) {
1070 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1072 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL) {
1074 tp = mono_metadata_get_marshal_info (klass->image, i - 1, FALSE);
1076 mspecs [cols [MONO_PARAM_SEQUENCE]]= mono_metadata_parse_marshal_spec (klass->image, tp);
1086 mono_method_has_marshal_info (MonoMethod *method)
1089 MonoClass *klass = method->klass;
1090 MonoTableInfo *methodt;
1091 MonoTableInfo *paramt;
1093 if (method->klass->image->dynamic) {
1094 MonoReflectionMethodAux *method_aux =
1095 mono_g_hash_table_lookup (
1096 ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
1097 MonoMarshalSpec **dyn_specs = method_aux->param_marshall;
1099 for (i = 0; i < method->signature->param_count + 1; ++i)
1106 mono_class_init (klass);
1108 methodt = &klass->image->tables [MONO_TABLE_METHOD];
1109 paramt = &klass->image->tables [MONO_TABLE_PARAM];
1111 for (i = 0; i < klass->method.count; ++i) {
1112 if (method == klass->methods [i]) {
1113 guint32 idx = klass->method.first + i;
1114 guint32 cols [MONO_PARAM_SIZE];
1115 guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
1117 if (idx + 1 < methodt->rows)
1118 lastp = mono_metadata_decode_row_col (methodt, idx + 1, MONO_METHOD_PARAMLIST);
1120 lastp = paramt->rows + 1;
1122 for (i = param_index; i < lastp; ++i) {
1123 mono_metadata_decode_row (paramt, i -1, cols, MONO_PARAM_SIZE);
1125 if (cols [MONO_PARAM_FLAGS] & PARAM_ATTRIBUTE_HAS_FIELD_MARSHAL)
1135 mono_method_get_wrapper_data (MonoMethod *method, guint32 id)
1138 g_assert (method != NULL);
1139 g_assert (method->wrapper_type != MONO_WRAPPER_NONE);
1141 if (!(l = g_list_nth (((MonoMethodWrapper *)method)->data, id - 1)))
1142 g_assert_not_reached ();
1148 default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
1149 g_error ("stack walk not installed");
1152 static MonoStackWalkImpl stack_walk = default_stack_walk;
1155 mono_stack_walk (MonoStackWalk func, gpointer user_data)
1157 stack_walk (func, FALSE, user_data);
1161 mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
1163 stack_walk (func, TRUE, user_data);
1167 mono_install_stack_walk (MonoStackWalkImpl func)
1173 last_managed (MonoMethod *m, gint no, gint ilo, gboolean managed, gpointer data)
1175 MonoMethod **dest = data;
1177 /*g_print ("In %s::%s [%d] [%d]\n", m->klass->name, m->name, no, ilo);*/
1183 mono_method_get_last_managed (void)
1185 MonoMethod *m = NULL;
1186 stack_walk (last_managed, FALSE, &m);
1191 mono_loader_lock (void)
1193 EnterCriticalSection (&loader_mutex);
1197 mono_loader_unlock (void)
1199 LeaveCriticalSection (&loader_mutex);
1202 MonoMethodSignature*
1203 mono_method_signature (MonoMethod *method)
1205 return method->signature;
1209 mono_method_get_name (MonoMethod *method)
1211 return method->name;
1215 mono_method_get_class (MonoMethod *method)
1217 return method->klass;
1221 mono_method_get_token (MonoMethod *method)
1223 return method->token;
1227 mono_method_get_flags (MonoMethod *method, guint32 *iflags)
1230 *iflags = method->iflags;
1231 return method->flags;