}
mono_loader_lock ();
- if (!field->parent->generic_inst)
+ if (!field->parent->generic_class)
g_hash_table_insert (image->field_cache, GUINT_TO_POINTER (token), field);
mono_loader_unlock ();
return field;
klass = klass->parent;
}
- if (sclass->generic_inst) {
+ if (sclass->generic_class) {
MonoClass *gclass;
MonoMethod *res;
- gclass = mono_class_from_mono_type (sclass->generic_inst->generic_type);
+ gclass = mono_class_from_mono_type (sclass->generic_class->generic_type);
mono_class_init (gclass);
res = find_method (gclass, ic, name, sig);
* token is the method_ref or method_def token used in a call IL instruction.
*/
MonoMethodSignature*
-mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
+mono_method_get_signature_full (MonoMethod *method, MonoImage *image, guint32 token, MonoGenericContext *context)
{
int table = mono_metadata_token_table (token);
int idx = mono_metadata_token_index (token);
return method->signature;
}
- if (method->klass->generic_inst)
+ if (method->klass->generic_class)
return method->signature;
if (image->dynamic)
ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
mono_metadata_decode_blob_size (ptr, &ptr);
- sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
+ sig = mono_metadata_parse_method_signature_full (image, context, 0, ptr, NULL);
g_hash_table_insert (image->memberref_signatures, GUINT_TO_POINTER (token), sig);
}
+ sig = mono_class_inflate_generic_signature (image, sig, context);
+
return sig;
}
+MonoMethodSignature*
+mono_method_get_signature (MonoMethod *method, MonoImage *image, guint32 token)
+{
+ return mono_method_get_signature_full (method, image, token, NULL);
+}
+
static MonoMethod *
method_from_memberref (MonoImage *image, guint32 idx, MonoGenericContext *context)
{
- MonoClass *klass;
+ MonoClass *klass = NULL;
MonoMethod *method;
MonoTableInfo *tables = image->tables;
guint32 cols[6];
guint32 nindex, class;
+ MonoGenericContainer *container = NULL;
const char *mname;
MonoMethodSignature *sig;
const char *ptr;
mono_metadata_string_heap (m, cols [MONO_MEMBERREF_NAME]));*/
mname = mono_metadata_string_heap (image, cols [MONO_MEMBERREF_NAME]);
-
- ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
- mono_metadata_decode_blob_size (ptr, &ptr);
- sig = mono_metadata_parse_method_signature (image, 0, ptr, NULL);
switch (class) {
case MONO_MEMBERREF_PARENT_TYPEREF:
klass = mono_class_from_typeref (image, MONO_TOKEN_TYPE_REF | nindex);
if (!klass) {
g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
- mono_metadata_free_method_signature (sig);
return NULL;
}
- mono_class_init (klass);
+ break;
+ case MONO_MEMBERREF_PARENT_TYPESPEC:
+ klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
+ if (!klass) {
+ g_warning ("Missing method %s in assembly %s typespec index %d", mname, image->name, nindex);
+ return NULL;
+ }
+ break;
+ case MONO_MEMBERREF_PARENT_TYPEDEF:
+ klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
+ if (!klass) {
+ g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
+ return NULL;
+ }
+ break;
+ case MONO_MEMBERREF_PARENT_METHODDEF:
+ return mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
+ default:
+ g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
+ g_assert_not_reached ();
+ }
+ g_assert (klass);
+ mono_class_init (klass);
+
+ if (klass->generic_container)
+ container = klass->generic_container;
+ else if (klass->generic_class) {
+ g_assert (klass->generic_class->container);
+ container = klass->generic_class->container;
+ }
+
+ ptr = mono_metadata_blob_heap (image, cols [MONO_MEMBERREF_SIGNATURE]);
+ mono_metadata_decode_blob_size (ptr, &ptr);
+ sig = mono_metadata_parse_method_signature_full (image, (MonoGenericContext *) container, 0, ptr, NULL);
+
+ switch (class) {
+ case MONO_MEMBERREF_PARENT_TYPEREF:
method = find_method (klass, NULL, mname, sig);
if (!method)
g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
mono_metadata_free_method_signature (sig);
return method;
case MONO_MEMBERREF_PARENT_TYPESPEC: {
- guint32 bcols [MONO_TYPESPEC_SIZE];
- guint32 len;
MonoType *type;
MonoMethod *result;
- MonoClass *klass;
- klass = mono_class_get_full (image, MONO_TOKEN_TYPE_SPEC | nindex, context);
type = &klass->byval_arg;
if (type->type != MONO_TYPE_ARRAY && type->type != MONO_TYPE_SZARRAY) {
- mono_class_init (klass);
method = find_method (klass, NULL, mname, sig);
if (!method)
g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
- else if (klass->generic_inst && (klass != method->klass))
+ else if (klass->generic_class && (klass != method->klass))
method = mono_class_inflate_generic_method (
- method, klass->generic_inst->context, klass);
+ method, klass->generic_class->context, klass);
mono_metadata_free_method_signature (sig);
return method;
}
if (!strcmp (mname, ".ctor")) {
/* we special-case this in the runtime. */
- result->addr = NULL;
return result;
}
g_assert (sig->hasthis);
g_assert (type->data.array->rank + 1 == sig->param_count);
result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
- result->addr = NULL;
return result;
}
g_assert (sig->hasthis);
g_assert (type->data.array->rank == sig->param_count);
result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
- result->addr = NULL;
return result;
}
g_assert (sig->hasthis);
g_assert (type->data.array->rank == sig->param_count);
result->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
- result->addr = NULL;
return result;
}
break;
}
case MONO_MEMBERREF_PARENT_TYPEDEF:
- klass = mono_class_get (image, MONO_TOKEN_TYPE_DEF | nindex);
- if (!klass) {
- g_warning ("Missing method %s in assembly %s typedef index %d", mname, image->name, nindex);
- mono_metadata_free_method_signature (sig);
- return NULL;
- }
- mono_class_init (klass);
method = find_method (klass, NULL, mname, sig);
if (!method)
g_warning ("Missing method %s in assembly %s typeref index %d", mname, image->name, nindex);
mono_metadata_free_method_signature (sig);
return method;
- case MONO_MEMBERREF_PARENT_METHODDEF:
- method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | nindex, NULL);
- return method;
default:
g_error ("Memberref parent unknown: class: %d, index %d", class, nindex);
g_assert_not_reached ();
}
static MonoMethod *
-method_from_methodspec (MonoImage *image, guint32 idx)
+method_from_methodspec (MonoImage *image, MonoGenericContext *context, guint32 idx)
{
MonoMethod *method, *inflated;
MonoTableInfo *tables = image->tables;
- MonoGenericContext *context;
+ MonoGenericContext *new_context = NULL;
MonoGenericMethod *gmethod;
+ MonoGenericContainer *container = NULL;
const char *ptr;
guint32 cols [MONO_METHODSPEC_SIZE];
guint32 token, param_count, i;
ptr++;
param_count = mono_metadata_decode_value (ptr, &ptr);
+ g_assert (param_count);
+ if (method->signature->is_inflated)
+ container = ((MonoMethodNormal *) ((MonoMethodInflated *) method)->declaring)->generic_container;
+ else
+ container = ((MonoMethodNormal *) method)->generic_container;
+ g_assert (container && container->is_method);
+
+ if (context) {
+ g_assert (context->container);
+ container->parent = context->container;
+ if (container->parent->is_method)
+ container->parent = container->parent->parent;
+ }
+
gmethod = g_new0 (MonoGenericMethod, 1);
- gmethod->mtype_argc = param_count;
- gmethod->mtype_argv = g_new0 (MonoType *, param_count);
-
- for (i = 0; i < param_count; i++) {
- gmethod->mtype_argv [i] = mono_metadata_parse_type (image, MONO_PARSE_TYPE, 0, ptr, &ptr);
+ gmethod->container = container;
- if (!gmethod->is_open)
- gmethod->is_open = mono_class_is_open_constructed_type (gmethod->mtype_argv [i]);
+ gmethod->inst = mono_metadata_parse_generic_inst (
+ image, (MonoGenericContext *) container, param_count, ptr, &ptr);
+
+ if (context)
+ gmethod->inst = mono_metadata_inflate_generic_inst (gmethod->inst, context);
+
+ if (!container->method_hash)
+ container->method_hash = g_hash_table_new (
+ (GHashFunc)mono_metadata_generic_method_hash, (GEqualFunc)mono_metadata_generic_method_equal);
+
+ inflated = g_hash_table_lookup (container->method_hash, gmethod);
+ if (inflated) {
+ g_free (gmethod);
+ return inflated;
}
- context = g_new0 (MonoGenericContext, 1);
- context->gmethod = gmethod;
+ if (!context) {
+ new_context = g_new0 (MonoGenericContext, 1);
+ new_context->container = container;
+ new_context->gmethod = gmethod;
+
+ context = new_context;
+ } else {
+ new_context = g_new0 (MonoGenericContext, 1);
+ new_context->container = container;
+ new_context->gmethod = gmethod;
+ new_context->gclass = context->gclass;
+
+ context = new_context;
+ }
mono_stats.generics_metadata_size += sizeof (MonoGenericMethod) +
sizeof (MonoGenericContext) + param_count * sizeof (MonoType);
inflated = mono_class_inflate_generic_method (method, context, NULL);
+ g_hash_table_insert (container->method_hash, gmethod, inflated);
- context->ginst = inflated->klass->generic_inst;
+ if (new_context)
+ context->gclass = inflated->klass->generic_class;
return inflated;
}
mono_loader_unlock ();
}
-static void
-mono_dllmap_free (GHashTable *dll_map)
-{
-}
-
-static int wine_test_needed = 1;
-
gpointer
mono_lookup_pinvoke_call (MonoMethod *method, const char **exc_class, const char **exc_arg)
{
g_assert (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL);
- if (exc_class) {
- *exc_class = NULL;
- *exc_arg = NULL;
+ if (piinfo->addr)
+ return piinfo->addr;
+
+ if (method->klass->image->dynamic) {
+ MonoReflectionMethodAux *method_aux =
+ mono_g_hash_table_lookup (
+ ((MonoDynamicImage*)method->klass->image)->method_aux_hash, method);
+ if (!method_aux)
+ return NULL;
+
+ import = method_aux->dllentry;
+ orig_scope = method_aux->dll;
}
+ else {
+ if (!piinfo->implmap_idx)
+ return NULL;
- if (method->addr)
- return method->addr;
- if (!piinfo->implmap_idx)
- return NULL;
-
- mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
+ mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
- piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
- import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
- scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
- orig_scope = mono_metadata_string_heap (image, scope_token);
+ piinfo->piflags = im_cols [MONO_IMPLMAP_FLAGS];
+ import = mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]);
+ scope_token = mono_metadata_decode_row_col (mr, im_cols [MONO_IMPLMAP_SCOPE] - 1, MONO_MODULEREF_NAME);
+ orig_scope = mono_metadata_string_heap (image, scope_token);
+ }
mono_dllmap_lookup (image, orig_scope, import, &new_scope, &import);
mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_DLLIMPORT,
"DllImport attempting to load: '%s'.", new_scope);
+ if (exc_class) {
+ *exc_class = NULL;
+ *exc_arg = NULL;
+ }
+
/*
* Try loading the module using a variety of names
*/
- for (i = 0; i < 2; ++i) {
- if (i == 0)
+ for (i = 0; i < 3; ++i) {
+ switch (i) {
+ case 0:
/* Try the original name */
file_name = g_strdup (new_scope);
- else {
+ break;
+ case 1:
/* Try trimming the .dll extension */
if (strstr (new_scope, ".dll") == (new_scope + strlen (new_scope) - 4)) {
file_name = g_strdup (new_scope);
file_name [strlen (new_scope) - 4] = '\0';
}
else
- break;
+ continue;
+ break;
+ default:
+ if (strstr (new_scope, "lib") != new_scope) {
+ file_name = g_strdup_printf ("lib%s", new_scope);
+ }
+ else
+ continue;
+ break;
}
if (!gmodule) {
if (exc_class) {
*exc_class = "DllNotFoundException";
- *exc_arg = orig_scope;
+ *exc_arg = new_scope;
}
return NULL;
}
if (piinfo->piflags & PINVOKE_ATTRIBUTE_NO_MANGLE) {
- g_module_symbol (gmodule, import, &method->addr);
+ g_module_symbol (gmodule, import, &piinfo->addr);
} else {
char *mangled_name;
switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
mangled_name = g_strconcat (import, "W", NULL);
- g_module_symbol (gmodule, mangled_name, &method->addr);
+ g_module_symbol (gmodule, mangled_name, &piinfo->addr);
g_free (mangled_name);
- if (!method->addr)
- g_module_symbol (gmodule, import, &method->addr);
+ if (!piinfo->addr)
+ g_module_symbol (gmodule, import, &piinfo->addr);
break;
case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
- g_module_symbol (gmodule, import, &method->addr);
+ g_module_symbol (gmodule, import, &piinfo->addr);
break;
case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
default:
mangled_name = g_strconcat (import, "A", NULL);
- g_module_symbol (gmodule, mangled_name, &method->addr);
+ g_module_symbol (gmodule, mangled_name, &piinfo->addr);
g_free (mangled_name);
- if (!method->addr)
- g_module_symbol (gmodule, import, &method->addr);
+ if (!piinfo->addr)
+ g_module_symbol (gmodule, import, &piinfo->addr);
break;
}
+
+#ifdef PLATFORM_WIN32
+ /* Try the stdcall mangled name */
+ if (!piinfo->addr) {
+ /* FIX: Compute this correctly */
+ mangled_name = g_strdup_printf ("%s@%d", import, method->signature->param_count * sizeof (gpointer));
+ g_module_symbol (gmodule, mangled_name, &piinfo->addr);
+ g_free (mangled_name);
+ }
+ if (!piinfo->addr) {
+ mangled_name = g_strdup_printf ("_%s@%d", import, method->signature->param_count * sizeof (gpointer));
+ g_module_symbol (gmodule, mangled_name, &piinfo->addr);
+ g_free (mangled_name);
+ }
+#endif
}
- if (!method->addr) {
+ if (!piinfo->addr) {
if (exc_class) {
*exc_class = "EntryPointNotFoundException";
*exc_arg = import;
}
return NULL;
}
- return method->addr;
+ return piinfo->addr;
}
static MonoMethod *
int table = mono_metadata_token_table (token);
int idx = mono_metadata_token_index (token);
MonoTableInfo *tables = image->tables;
- const char *loc, *sig = NULL;
+ MonoGenericContainer *generic_container = NULL, *container = NULL;
+ const char *sig = NULL;
int size, i;
guint32 cols [MONO_TYPEDEF_SIZE];
return mono_lookup_dynamic_token (image, token);
if (table != MONO_TABLE_METHOD) {
+ MonoGenericContainer *generic_container = NULL;
+ if (context) {
+ g_assert (context->container);
+ generic_container = context->container;
+ }
if (table == MONO_TABLE_METHODSPEC)
- return method_from_methodspec (image, idx);
+ return method_from_methodspec (image, context, idx);
if (table != MONO_TABLE_MEMBERREF)
g_print("got wrong token: 0x%08x\n", token);
g_assert (table == MONO_TABLE_MEMBERREF);
result->token = token;
result->name = mono_metadata_string_heap (image, cols [3]);
+ if (klass)
+ container = klass->generic_container;
+
+ if (!(cols [1] & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
+ (!(cols [2] & METHOD_ATTRIBUTE_PINVOKE_IMPL) || cols [1] & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
+ generic_container = mono_metadata_load_generic_params (image, token);
+ if (generic_container) {
+ generic_container->parent = container;
+ generic_container->is_method = 1;
+ container = generic_container;
+ }
+ }
+
if (!sig) /* already taken from the methodref */
sig = mono_metadata_blob_heap (image, cols [4]);
size = mono_metadata_decode_blob_size (sig, &sig);
- result->signature = mono_metadata_parse_method_signature (image, idx, sig, NULL);
+ result->signature = mono_metadata_parse_method_signature_full (
+ image, (MonoGenericContext *) container, idx, sig, NULL);
if (!result->klass) {
guint32 type = mono_metadata_typedef_from_method (image, token);
}
result->signature->call_convention = conv;
} else {
- MonoGenericParam *gen_params = NULL;
-
- /* if this is a methodref from another module/assembly, this fails */
- loc = mono_image_rva_map (image, cols [0]);
-
if (result->signature->generic_param_count) {
MonoMethodSignature *sig = result->signature;
- gen_params = mono_metadata_load_generic_params (image, token, NULL);
-
for (i = 0; i < sig->generic_param_count; i++) {
- gen_params [i].method = result;
+ generic_container->type_params [i].method = result;
mono_class_from_generic_parameter (
- &gen_params [i], image, TRUE);
+ &generic_container->type_params [i], image, TRUE);
}
if (sig->ret->type == MONO_TYPE_MVAR) {
int num = sig->ret->data.generic_param->num;
- sig->ret->data.generic_param = &gen_params [num];
+ sig->ret->data.generic_param = &generic_container->type_params [num];
}
for (i = 0; i < sig->param_count; i++) {
MonoType *t = sig->params [i];
if (t->type == MONO_TYPE_MVAR) {
int num = t->data.generic_param->num;
- sig->params [i]->data.generic_param = &gen_params [num];
+ sig->params [i]->data.generic_param = &generic_container->type_params [num];
}
}
}
-
+
+ /* FIXME: lazyness for generics too, but how? */
if (!result->klass->dummy && !(result->flags & METHOD_ATTRIBUTE_ABSTRACT) &&
- !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
- MonoMethodNormal *mn = (MonoMethodNormal *) result;
-
+ !(result->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) && container) {
+ gpointer loc = mono_image_rva_map (image, cols [0]);
g_assert (loc);
- mn->header = mono_metadata_parse_mh (image, loc);
- mn->header->gen_params = gen_params;
+ ((MonoMethodNormal *) result)->header = mono_metadata_parse_mh_full (
+ image, (MonoGenericContext *) container, loc);
}
+
+ ((MonoMethodNormal *) result)->generic_container = generic_container;
}
return result;
{
MonoMethod *method, *result;
MonoClass *ic = NULL;
- int i;
mono_loader_lock ();
mono_free_method (MonoMethod *method)
{
mono_metadata_free_method_signature (method->signature);
- if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
- MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *)method;
- g_free (piinfo->code);
- } else if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
+ if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && ((MonoMethodNormal *)method)->header) {
mono_metadata_free_mh (((MonoMethodNormal *)method)->header);
}
for (i = 0; i < method->signature->param_count; ++i)
names [i] = "";
- if (klass->generic_inst) /* copy the names later */
+ if (klass->generic_class) /* copy the names later */
return;
mono_class_init (klass);
}
}
+guint32
+mono_method_get_param_token (MonoMethod *method, int index)
+{
+ int i;
+ MonoClass *klass = method->klass;
+ MonoTableInfo *methodt;
+
+ if (klass->generic_class)
+ g_assert_not_reached ();
+
+ mono_class_init (klass);
+
+ if (klass->image->dynamic) {
+ g_assert_not_reached ();
+ }
+
+ methodt = &klass->image->tables [MONO_TABLE_METHOD];
+ for (i = 0; i < klass->method.count; ++i) {
+ if (method == klass->methods [i]) {
+ guint32 idx = klass->method.first + i;
+ guint param_index = mono_metadata_decode_row_col (methodt, idx, MONO_METHOD_PARAMLIST);
+
+ return mono_metadata_make_token (MONO_TABLE_PARAM, param_index + index);
+ }
+ }
+
+ return 0;
+}
+
void
mono_method_get_marshal_info (MonoMethod *method, MonoMarshalSpec **mspecs)
{
}
static void
-default_stack_walk (MonoStackWalk func, gpointer user_data) {
+default_stack_walk (MonoStackWalk func, gboolean do_il_offset, gpointer user_data) {
g_error ("stack walk not installed");
}
void
mono_stack_walk (MonoStackWalk func, gpointer user_data)
{
- stack_walk (func, user_data);
+ stack_walk (func, FALSE, user_data);
+}
+
+void
+mono_stack_walk_no_il (MonoStackWalk func, gpointer user_data)
+{
+ stack_walk (func, TRUE, user_data);
}
void
mono_method_get_last_managed (void)
{
MonoMethod *m = NULL;
- stack_walk (last_managed, &m);
+ stack_walk (last_managed, FALSE, &m);
return m;
}
return method->token;
}
+MonoMethodHeader*
+mono_method_get_header (MonoMethod *method)
+{
+ int idx;
+ guint32 rva;
+ MonoImage* img;
+ gpointer loc;
+ MonoMethodNormal* mn = (MonoMethodNormal*) method;
+
+#ifdef G_LIKELY
+ if (G_LIKELY (mn->header))
+#else
+ if (mn->header)
+#endif
+ return mn->header;
+
+ 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))
+ return NULL;
+
+ mono_loader_lock ();
+
+ if (mn->header) {
+ mono_loader_unlock ();
+ return mn->header;
+ }
+
+ g_assert (mono_metadata_token_table (method->token) == MONO_TABLE_METHOD);
+ idx = mono_metadata_token_index (method->token);
+ img = method->klass->image;
+ rva = mono_metadata_decode_row_col (&img->tables [MONO_TABLE_METHOD], idx - 1, MONO_METHOD_RVA);
+ loc = mono_image_rva_map (img, rva);
+
+ g_assert (loc);
+
+ mn->header = mono_metadata_parse_mh_full (img, (MonoGenericContext *) mn->generic_container, loc);
+
+ mono_loader_unlock ();
+ return mn->header;
+}
+
guint32
mono_method_get_flags (MonoMethod *method, guint32 *iflags)
{