*
* Author:
* Dietmar Maurer (dietmar@ximian.com)
+ * Patrik Torstensson
*
* (C) 2001 Ximian, Inc.
*/
#include <config.h>
#include <glib.h>
#include <string.h>
+#include <sys/stat.h>
-#if HAVE_BOEHM_GC
-#include <gc/gc.h>
-#endif
+#include <mono/os/gc_wrapper.h>
#include <mono/metadata/object.h>
-#include <mono/metadata/appdomain.h>
+#include <mono/metadata/domain-internals.h>
+#include <mono/metadata/class-internals.h>
#include <mono/metadata/assembly.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/cil-coff.h>
+#include <mono/metadata/rawbuffer.h>
+#include <mono/metadata/metadata-internals.h>
+
+/* #define DEBUG_DOMAIN_UNLOAD */
+
+static guint32 appdomain_thread_id = -1;
+static guint32 context_thread_id = -1;
+
+static gint32 appdomain_id_counter = 0;
-static guint32 appdomain_thread_id = 0;
+static MonoGHashTable * appdomains_list = NULL;
+
+static CRITICAL_SECTION appdomains_mutex;
+
+static MonoDomain *mono_root_domain = NULL;
+
+/* RuntimeInfo: Contains information about versions supported by this runtime */
+typedef struct {
+ const char* runtime_version;
+ const char* framework_version;
+} RuntimeInfo;
+
+/* AppConfigInfo: Information about runtime versions supported by an
+ * aplication.
+ */
+typedef struct {
+ GSList *supported_runtimes;
+ char *required_runtime;
+ int configuration_count;
+ int startup_count;
+} AppConfigInfo;
-MonoDomain *mono_root_domain = NULL;
+static RuntimeInfo *current_runtime = NULL;
+
+/* This is the list of runtime versions supported by this JIT.
+ */
+static RuntimeInfo supported_runtimes[] = {
+ {"v1.0.3705", "1.0"}, {"v1.1.4322", "1.0"}, {"v2.0.40607","2.0"}
+};
+
+/* The stable runtime version */
+#define DEFAULT_RUNTIME_VERSION "v1.1.4322"
+
+static RuntimeInfo*
+get_runtime_from_exe (const char *exe_file);
+
+static RuntimeInfo*
+get_runtime_by_version (const char *version);
static MonoJitInfoTable *
mono_jit_info_table_new (void)
mono_jit_info_table_find (MonoDomain *domain, char *addr)
{
MonoJitInfoTable *table = domain->jit_info_table;
- int left = 0, right = table->len;
+ int left = 0, right;
+
+ mono_domain_lock (domain);
+ right = table->len;
while (left < right) {
int pos = (left + right) / 2;
MonoJitInfo *ji = g_array_index (table, gpointer, pos);
right = pos;
else if (addr >= end)
left = pos + 1;
- else
+ else {
+ mono_domain_unlock (domain);
return ji;
+ }
}
+ mono_domain_unlock (domain);
- /* maybe irt is shared code, so we also search in the root domain */
+ /* maybe it is shared code, so we also search in the root domain */
if (domain != mono_root_domain)
- return mono_jit_info_table_find (domain, addr);
+ return mono_jit_info_table_find (mono_root_domain, addr);
return NULL;
}
{
MonoJitInfoTable *table = domain->jit_info_table;
gpointer start = ji->code_start;
- int pos = mono_jit_info_table_index (table, start);
+ int pos;
+
+ mono_domain_lock (domain);
+ pos = mono_jit_info_table_index (table, start);
g_array_insert_val (table, pos, ji);
+ mono_domain_unlock (domain);
}
static int
const char *end;
len = mono_metadata_decode_blob_size (str, &str) - 1;
end = str + len;
- h = *str;
+ /* if len == 0 *str will point to the mark byte */
+ h = len? *str: 0;
/*
* FIXME: The distribution may not be so nice with lots of
* null chars in the string.
static gboolean
ldstr_equal (const char *str1, const char *str2) {
int len, len2;
+ if (str1 == str2)
+ return TRUE;
len = mono_metadata_decode_blob_size (str1, NULL) - 1;
len2 = mono_metadata_decode_blob_size (str2, NULL) - 1;
if (len != len2)
return memcmp (str1, str2, len) == 0;
}
+static gboolean
+mono_string_equal (MonoString *s1, MonoString *s2)
+{
+ int l1 = mono_string_length (s1);
+ int l2 = mono_string_length (s2);
+
+ if (l1 != l2)
+ return FALSE;
+
+ return memcmp (mono_string_chars (s1), mono_string_chars (s2), l1) == 0;
+}
+
+static guint
+mono_string_hash (MonoString *s)
+{
+ const guint16 *p = mono_string_chars (s);
+ int i, len = mono_string_length (s);
+ guint h = 0;
+
+ for (i = 0; i < len; i++) {
+ h = (h << 5) - h + *p;
+ p++;
+ }
+
+ return h;
+}
+
#if HAVE_BOEHM_GC
static void
domain_finalizer (void *obj, void *data) {
MonoDomain *domain;
#if HAVE_BOEHM_GC
- domain = GC_malloc (sizeof (MonoDomain));
- GC_register_finalizer (domain, domain_finalizer, NULL, NULL, NULL);
+ domain = GC_MALLOC (sizeof (MonoDomain));
+ GC_REGISTER_FINALIZER (domain, domain_finalizer, NULL, NULL, NULL);
#else
domain = g_new0 (MonoDomain, 1);
#endif
domain->domain = NULL;
domain->setup = NULL;
domain->friendly_name = NULL;
+ domain->search_path = NULL;
domain->mp = mono_mempool_new ();
- domain->env = g_hash_table_new (g_str_hash, g_str_equal);
+ domain->code_mp = mono_code_manager_new ();
+ domain->env = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
domain->assemblies = g_hash_table_new (g_str_hash, g_str_equal);
domain->class_vtable_hash = mono_g_hash_table_new (NULL, NULL);
- domain->proxy_vtable_hash = mono_g_hash_table_new (NULL, NULL);
+ domain->proxy_vtable_hash = mono_g_hash_table_new ((GHashFunc)mono_string_hash, (GCompareFunc)mono_string_equal);
domain->static_data_hash = mono_g_hash_table_new (NULL, NULL);
domain->jit_code_hash = g_hash_table_new (NULL, NULL);
domain->ldstr_table = mono_g_hash_table_new ((GHashFunc)ldstr_hash, (GCompareFunc)ldstr_equal);
domain->jit_info_table = mono_jit_info_table_new ();
+ domain->class_init_trampoline_hash = mono_g_hash_table_new (NULL, NULL);
+ domain->finalizable_objects_hash = g_hash_table_new (NULL, NULL);
+ domain->domain_id = InterlockedIncrement (&appdomain_id_counter);
InitializeCriticalSection (&domain->lock);
+
+ EnterCriticalSection (&appdomains_mutex);
+ mono_g_hash_table_insert(appdomains_list, GINT_TO_POINTER(domain->domain_id), domain);
+ LeaveCriticalSection (&appdomains_mutex);
+
return domain;
}
/**
- * mono_init:
+ * mono_init_internal:
*
* Creates the initial application domain and initializes the mono_defaults
* structure.
* This function is guaranteed to not run any IL code.
+ * If exe_filename is not NULL, the method will determine the required runtime
+ * from the exe configuration file or the version PE field.
+ * If runtime_version is not NULL, that runtime version will be used.
+ * Either exe_filename or runtime_version must be provided.
*
* Returns: the initial domain.
*/
-MonoDomain *
-mono_init (const char *filename)
+static MonoDomain *
+mono_init_internal (const char *filename, const char *exe_filename, const char *runtime_version)
{
static MonoDomain *domain = NULL;
MonoAssembly *ass;
g_assert_not_reached ();
appdomain_thread_id = TlsAlloc ();
+ context_thread_id = TlsAlloc ();
+
+ InitializeCriticalSection (&appdomains_mutex);
+
+ mono_metadata_init ();
+ mono_raw_buffer_init ();
+ mono_images_init ();
+ mono_assemblies_init ();
+ mono_loader_init ();
+
+ /* FIXME: When should we release this memory? */
+ MONO_GC_REGISTER_ROOT (appdomains_list);
+ appdomains_list = mono_g_hash_table_new (g_direct_hash, g_direct_equal);
domain = mono_domain_create ();
mono_root_domain = domain;
TlsSetValue (appdomain_thread_id, domain);
+
+ if (exe_filename != NULL) {
+ current_runtime = get_runtime_from_exe (exe_filename);
+ } else if (runtime_version != NULL) {
+ current_runtime = get_runtime_by_version (runtime_version);
+ }
+
+ if (current_runtime == NULL) {
+ g_print ("WARNING: The runtime version supported by this application is unavailable.\n");
+ current_runtime = get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
+ g_print ("Using default runtime: %s\n", current_runtime->runtime_version);
+ }
/* find the corlib */
- corlib_aname.name = "corlib";
+ corlib_aname.name = "mscorlib";
ass = mono_assembly_load (&corlib_aname, NULL, &status);
if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
switch (status){
- case MONO_IMAGE_ERROR_ERRNO:
- g_print ("The assembly corlib.dll was not found or could not be loaded.\n");
- g_print ("It should have been installed in the `%s' directory.\n", MONO_ASSEMBLIES);
+ case MONO_IMAGE_ERROR_ERRNO: {
+ char *corlib_file = g_build_filename (mono_assembly_getrootdir (), "mono", mono_get_framework_version (), "mscorlib.dll", NULL);
+ g_print ("The assembly mscorlib.dll was not found or could not be loaded.\n");
+ g_print ("It should have been installed in the `%s' directory.\n", corlib_file);
+ g_free (corlib_file);
break;
+ }
case MONO_IMAGE_IMAGE_INVALID:
- g_print ("The file %s/corlib.dll is an invalid CIL image\n", MONO_ASSEMBLIES);
+ g_print ("The file %s/mscorlib.dll is an invalid CIL image\n",
+ mono_assembly_getrootdir ());
break;
case MONO_IMAGE_MISSING_ASSEMBLYREF:
- g_print ("Minning assembly reference in %s/corlib.dll\n", MONO_ASSEMBLIES);
+ g_print ("Missing assembly reference in %s/mscorlib.dll\n",
+ mono_assembly_getrootdir ());
break;
case MONO_IMAGE_OK:
/* to suppress compiler warning */
+ break;
}
exit (1);
}
- mono_defaults.corlib = ass->image;
+ mono_defaults.corlib = mono_assembly_get_image (ass);
mono_defaults.object_class = mono_class_from_name (
mono_defaults.corlib, "System", "Object");
mono_defaults.corlib, "System", "Array");
g_assert (mono_defaults.array_class != 0);
+ mono_defaults.delegate_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "Delegate");
+ g_assert (mono_defaults.delegate_class != 0 );
+
mono_defaults.multicastdelegate_class = mono_class_from_name (
mono_defaults.corlib, "System", "MulticastDelegate");
g_assert (mono_defaults.multicastdelegate_class != 0 );
mono_defaults.corlib, "System", "Exception");
g_assert (mono_defaults.exception_class != 0);
+ mono_defaults.threadabortexception_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Threading", "ThreadAbortException");
+ g_assert (mono_defaults.threadabortexception_class != 0);
+
mono_defaults.thread_class = mono_class_from_name (
mono_defaults.corlib, "System.Threading", "Thread");
g_assert (mono_defaults.thread_class != 0);
mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "MonoMethodMessage");
g_assert (mono_defaults.mono_method_message_class != 0);
+ mono_defaults.field_info_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Reflection", "FieldInfo");
+ g_assert (mono_defaults.field_info_class != 0);
+
+ mono_defaults.method_info_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Reflection", "MethodInfo");
+ g_assert (mono_defaults.method_info_class != 0);
+
+ mono_defaults.stringbuilder_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Text", "StringBuilder");
+ g_assert (mono_defaults.stringbuilder_class != 0);
+
+ mono_defaults.math_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "Math");
+ g_assert (mono_defaults.math_class != 0);
+
+ mono_defaults.stack_frame_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Diagnostics", "StackFrame");
+ g_assert (mono_defaults.stack_frame_class != 0);
+
+ mono_defaults.stack_trace_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Diagnostics", "StackTrace");
+ g_assert (mono_defaults.stack_trace_class != 0);
+
+ mono_defaults.marshal_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.InteropServices", "Marshal");
+ g_assert (mono_defaults.marshal_class != 0);
+
+ mono_defaults.iserializeable_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.Serialization", "ISerializable");
+ g_assert (mono_defaults.iserializeable_class != 0);
+
+ mono_defaults.serializationinfo_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.Serialization", "SerializationInfo");
+ g_assert (mono_defaults.serializationinfo_class != 0);
+
+ mono_defaults.streamingcontext_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.Serialization", "StreamingContext");
+ g_assert (mono_defaults.streamingcontext_class != 0);
+
+ mono_defaults.typed_reference_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "TypedReference");
+ g_assert (mono_defaults.typed_reference_class != 0);
+
+ mono_defaults.argumenthandle_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "RuntimeArgumentHandle");
+ g_assert (mono_defaults.argumenthandle_class != 0);
+
+ mono_defaults.marshalbyrefobject_class = mono_class_from_name (
+ mono_defaults.corlib, "System", "MarshalByRefObject");
+ g_assert (mono_defaults.marshalbyrefobject_class != 0);
+
+ mono_defaults.monitor_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Threading", "Monitor");
+ g_assert (mono_defaults.monitor_class != 0);
+
+ mono_defaults.iremotingtypeinfo_class = mono_class_from_name (
+ mono_defaults.corlib, "System.Runtime.Remoting", "IRemotingTypeInfo");
+ g_assert (mono_defaults.iremotingtypeinfo_class != 0);
+
domain->friendly_name = g_path_get_basename (filename);
return domain;
}
+/**
+ * mono_init:
+ *
+ * Creates the initial application domain and initializes the mono_defaults
+ * structure.
+ * This function is guaranteed to not run any IL code.
+ * The runtime is initialized using the default runtime version.
+ *
+ * Returns: the initial domain.
+ */
+MonoDomain *
+mono_init (const char *domain_name)
+{
+ return mono_init_internal (domain_name, NULL, DEFAULT_RUNTIME_VERSION);
+}
+
+/**
+ * mono_init_from_assembly:
+ *
+ * Creates the initial application domain and initializes the mono_defaults
+ * structure.
+ * This function is guaranteed to not run any IL code.
+ * The runtime is initialized using the runtime version required by the
+ * provided executable. The version is determined by looking at the exe
+ * configuration file and the version PE field)
+ *
+ * Returns: the initial domain.
+ */
+MonoDomain *
+mono_init_from_assembly (const char *domain_name, const char *filename)
+{
+ return mono_init_internal (domain_name, filename, NULL);
+}
+
+/**
+ * mono_init_version:
+ *
+ * Creates the initial application domain and initializes the mono_defaults
+ * structure.
+ * This function is guaranteed to not run any IL code.
+ * The runtime is initialized using the provided rutime version.
+ *
+ * Returns: the initial domain.
+ */
+MonoDomain *
+mono_init_version (const char *domain_name, const char *version)
+{
+ return mono_init_internal (domain_name, NULL, version);
+}
+
+MonoDomain*
+mono_get_root_domain (void)
+{
+ return mono_root_domain;
+}
+
/**
* mono_domain_get:
*
}
/**
- * mono_domain_set:
+ * mono_domain_set_internal:
* @domain: the new domain
*
* Sets the current domain to @domain.
*/
inline void
-mono_domain_set (MonoDomain *domain)
+mono_domain_set_internal (MonoDomain *domain)
{
TlsSetValue (appdomain_thread_id, domain);
+ TlsSetValue (context_thread_id, domain->default_context);
+}
+
+typedef struct {
+ MonoDomainFunc func;
+ gpointer user_data;
+} DomainInfo;
+
+static void
+copy_hash_entry (gpointer key, gpointer data, gpointer user_data)
+{
+ MonoGHashTable *dest = (MonoGHashTable*)user_data;
+
+ mono_g_hash_table_insert (dest, key, data);
+}
+
+static void
+foreach_domain (gpointer key, gpointer data, gpointer user_data)
+{
+ DomainInfo *dom_info = user_data;
+
+ dom_info->func ((MonoDomain*)data, dom_info->user_data);
+}
+
+void
+mono_domain_foreach (MonoDomainFunc func, gpointer user_data)
+{
+ DomainInfo dom_info;
+ MonoGHashTable *copy;
+
+ /*
+ * Create a copy of the hashtable to avoid calling the user callback
+ * inside the lock because that could lead to deadlocks.
+ * We can do this because this function is not perf. critical.
+ */
+ copy = mono_g_hash_table_new (NULL, NULL);
+ EnterCriticalSection (&appdomains_mutex);
+ mono_g_hash_table_foreach (appdomains_list, copy_hash_entry, copy);
+ LeaveCriticalSection (&appdomains_mutex);
+
+ dom_info.func = func;
+ dom_info.user_data = user_data;
+ mono_g_hash_table_foreach (copy, foreach_domain, &dom_info);
+
+ mono_g_hash_table_destroy (copy);
}
/**
* fixme: maybe we should integrate this with mono_assembly_open ??
*/
MonoAssembly *
-mono_domain_assembly_open (MonoDomain *domain, char *name)
+mono_domain_assembly_open (MonoDomain *domain, const char *name)
{
- MonoAssembly *ass, *tmp;
- int i;
+ MonoAssembly *ass;
- if ((ass = g_hash_table_lookup (domain->assemblies, name)))
+ mono_domain_lock (domain);
+ if ((ass = g_hash_table_lookup (domain->assemblies, name))) {
+ mono_domain_unlock (domain);
return ass;
+ }
+ mono_domain_unlock (domain);
if (!(ass = mono_assembly_open (name, NULL)))
return NULL;
- mono_domain_lock (domain);
- g_hash_table_insert (domain->assemblies, ass->aname.name, ass);
- mono_domain_unlock (domain);
-
- // fixme: maybe this must be recursive ?
- for (i = 0; (tmp = ass->image->references [i]) != NULL; i++) {
- if (!g_hash_table_lookup (domain->assemblies, tmp->aname.name))
- g_hash_table_insert (domain->assemblies, tmp->aname.name, tmp);
- }
-
return ass;
}
mono_assembly_close ((MonoAssembly *)value);
}
+static void
+delete_jump_list (gpointer key, gpointer value, gpointer user_data)
+{
+ g_slist_free (value);
+}
+
void
-mono_domain_unload (MonoDomain *domain, gboolean force)
+mono_domain_free (MonoDomain *domain, gboolean force)
{
if ((domain == mono_root_domain) && !force) {
g_warning ("cant unload root domain");
return;
}
+ EnterCriticalSection (&appdomains_mutex);
+ mono_g_hash_table_remove (appdomains_list, GINT_TO_POINTER(domain->domain_id));
+ LeaveCriticalSection (&appdomains_mutex);
+
g_free (domain->friendly_name);
g_hash_table_foreach (domain->assemblies, remove_assembly, NULL);
- g_hash_table_destroy (domain->env);
+ mono_g_hash_table_destroy (domain->env);
g_hash_table_destroy (domain->assemblies);
mono_g_hash_table_destroy (domain->class_vtable_hash);
mono_g_hash_table_destroy (domain->proxy_vtable_hash);
g_hash_table_destroy (domain->jit_code_hash);
mono_g_hash_table_destroy (domain->ldstr_table);
mono_jit_info_table_free (domain->jit_info_table);
+#ifdef DEBUG_DOMAIN_UNLOAD
+ mono_mempool_invalidate (domain->mp);
+ mono_code_manager_invalidate (domain->code_mp);
+#else
mono_mempool_destroy (domain->mp);
+ mono_code_manager_destroy (domain->code_mp);
+#endif
+ if (domain->jump_target_hash) {
+ g_hash_table_foreach (domain->jump_target_hash, delete_jump_list, NULL);
+ g_hash_table_destroy (domain->jump_target_hash);
+ }
+ mono_g_hash_table_destroy (domain->class_init_trampoline_hash);
+ g_hash_table_destroy (domain->finalizable_objects_hash);
+ if (domain->special_static_fields)
+ g_hash_table_destroy (domain->special_static_fields);
DeleteCriticalSection (&domain->lock);
-
- // fixme: anything else required ? */
+ domain->setup = NULL;
+
+ /* FIXME: anything else required ? */
#if HAVE_BOEHM_GC
#else
mono_root_domain = NULL;
}
+/**
+ * mono_domain_get_id:
+ *
+ * Returns the a domain for a specific domain id.
+ */
+MonoDomain *
+mono_domain_get_by_id (gint32 domainid)
+{
+ MonoDomain * domain;
+
+ EnterCriticalSection (&appdomains_mutex);
+ domain = mono_g_hash_table_lookup (appdomains_list, GINT_TO_POINTER(domainid));
+ LeaveCriticalSection (&appdomains_mutex);
+
+ return domain;
+}
+
+gint32
+mono_domain_get_id (MonoDomain *domain)
+{
+ return domain->domain_id;
+}
+
+void
+mono_context_set (MonoAppContext * new_context)
+{
+ TlsSetValue (context_thread_id, new_context);
+}
+
+MonoAppContext *
+mono_context_get (void)
+{
+ return ((MonoAppContext *)TlsGetValue (context_thread_id));
+}
+
+MonoImage*
+mono_get_corlib (void)
+{
+ return mono_defaults.corlib;
+}
+
+MonoClass*
+mono_get_object_class (void)
+{
+ return mono_defaults.object_class;
+}
+
+MonoClass*
+mono_get_byte_class (void)
+{
+ return mono_defaults.byte_class;
+}
+
+MonoClass*
+mono_get_void_class (void)
+{
+ return mono_defaults.void_class;
+}
+
+MonoClass*
+mono_get_boolean_class (void)
+{
+ return mono_defaults.boolean_class;
+}
+
+MonoClass*
+mono_get_sbyte_class (void)
+{
+ return mono_defaults.sbyte_class;
+}
+
+MonoClass*
+mono_get_int16_class (void)
+{
+ return mono_defaults.int16_class;
+}
+
+MonoClass*
+mono_get_uint16_class (void)
+{
+ return mono_defaults.uint16_class;
+}
+
+MonoClass*
+mono_get_int32_class (void)
+{
+ return mono_defaults.int32_class;
+}
+
+MonoClass*
+mono_get_uint32_class (void)
+{
+ return mono_defaults.uint32_class;
+}
+
+MonoClass*
+mono_get_intptr_class (void)
+{
+ return mono_defaults.int_class;
+}
+
+MonoClass*
+mono_get_uintptr_class (void)
+{
+ return mono_defaults.uint_class;
+}
+
+MonoClass*
+mono_get_int64_class (void)
+{
+ return mono_defaults.int64_class;
+}
+
+MonoClass*
+mono_get_uint64_class (void)
+{
+ return mono_defaults.uint64_class;
+}
+
+MonoClass*
+mono_get_single_class (void)
+{
+ return mono_defaults.single_class;
+}
+
+MonoClass*
+mono_get_double_class (void)
+{
+ return mono_defaults.double_class;
+}
+
+MonoClass*
+mono_get_char_class (void)
+{
+ return mono_defaults.char_class;
+}
+
+MonoClass*
+mono_get_string_class (void)
+{
+ return mono_defaults.string_class;
+}
+
+MonoClass*
+mono_get_enum_class (void)
+{
+ return mono_defaults.enum_class;
+}
+
+MonoClass*
+mono_get_array_class (void)
+{
+ return mono_defaults.array_class;
+}
+
+MonoClass*
+mono_get_thread_class (void)
+{
+ return mono_defaults.thread_class;
+}
+
+MonoClass*
+mono_get_exception_class (void)
+{
+ return mono_defaults.exception_class;
+}
+
+
+static char* get_attribute_value (const gchar **attribute_names,
+ const gchar **attribute_values,
+ const char *att_name)
+{
+ int n;
+ for (n=0; attribute_names[n] != NULL; n++) {
+ if (strcmp (attribute_names[n], att_name) == 0)
+ return g_strdup (attribute_values[n]);
+ }
+ return NULL;
+}
+
+static void start_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ gpointer user_data,
+ GError **error)
+{
+ AppConfigInfo* app_config = (AppConfigInfo*) user_data;
+
+ if (strcmp (element_name, "configuration") == 0) {
+ app_config->configuration_count++;
+ return;
+ }
+ if (strcmp (element_name, "startup") == 0) {
+ app_config->startup_count++;
+ return;
+ }
+
+ if (app_config->configuration_count != 1 || app_config->startup_count != 1)
+ return;
+
+ if (strcmp (element_name, "requiredRuntime") == 0) {
+ app_config->required_runtime = get_attribute_value (attribute_names, attribute_values, "version");
+ } else if (strcmp (element_name, "supportedRuntime") == 0) {
+ char *version = get_attribute_value (attribute_names, attribute_values, "version");
+ app_config->supported_runtimes = g_slist_append (app_config->supported_runtimes, version);
+ }
+}
+
+static void end_element (GMarkupParseContext *context,
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error)
+{
+ AppConfigInfo* app_config = (AppConfigInfo*) user_data;
+
+ if (strcmp (element_name, "configuration") == 0) {
+ app_config->configuration_count--;
+ } else if (strcmp (element_name, "startup") == 0) {
+ app_config->startup_count--;
+ }
+}
+
+static const GMarkupParser
+mono_parser = {
+ start_element,
+ end_element,
+ NULL,
+ NULL,
+ NULL
+};
+
+static AppConfigInfo *
+app_config_parse (const char *filename)
+{
+ AppConfigInfo *app_config;
+ GMarkupParseContext *context;
+ char *text;
+ gsize len;
+
+ struct stat buf;
+ if (stat (filename, &buf) != 0)
+ return NULL;
+
+ app_config = g_new0 (AppConfigInfo, 1);
+
+ if (!g_file_get_contents (filename, &text, &len, NULL))
+ return NULL;
+
+ context = g_markup_parse_context_new (&mono_parser, 0, app_config, NULL);
+ if (g_markup_parse_context_parse (context, text, len, NULL)) {
+ g_markup_parse_context_end_parse (context, NULL);
+ }
+ g_markup_parse_context_free (context);
+ g_free (text);
+ return app_config;
+}
+
+static void
+app_config_free (AppConfigInfo* app_config)
+{
+ char *rt;
+ GSList *list = app_config->supported_runtimes;
+ while (list != NULL) {
+ rt = (char*)list->data;
+ g_free (rt);
+ list = g_slist_next (list);
+ }
+ g_slist_free (app_config->supported_runtimes);
+ g_free (app_config->required_runtime);
+ g_free (app_config);
+}
+
+
+static RuntimeInfo*
+get_runtime_by_version (const char *version)
+{
+ int n;
+ int max = G_N_ELEMENTS (supported_runtimes);
+
+ for (n=0; n<max; n++) {
+ if (strcmp (version, supported_runtimes[n].runtime_version) == 0)
+ return &supported_runtimes[n];
+ }
+ return NULL;
+}
+
+static RuntimeInfo*
+get_runtime_from_exe (const char *exe_file)
+{
+ AppConfigInfo* app_config;
+ char *version;
+ char *config_name;
+ RuntimeInfo* runtime = NULL;
+ MonoImage *image = NULL;
+
+ config_name = g_strconcat (exe_file, ".config", NULL);
+ app_config = app_config_parse (config_name);
+ g_free (config_name);
+
+ if (app_config != NULL) {
+ /* Check supportedRuntime elements, if none is supported, fail.
+ * If there are no such elements, look for a requiredRuntime element.
+ */
+ if (app_config->supported_runtimes != NULL) {
+ GSList *list = app_config->supported_runtimes;
+ while (list != NULL && runtime == NULL) {
+ version = (char*) list->data;
+ runtime = get_runtime_by_version (version);
+ list = g_slist_next (list);
+ }
+ app_config_free (app_config);
+ return runtime;
+ }
+
+ /* Check the requiredRuntime element. This is for 1.0 apps only. */
+ if (app_config->required_runtime != NULL) {
+ runtime = get_runtime_by_version (app_config->required_runtime);
+ app_config_free (app_config);
+ return runtime;
+ }
+ app_config_free (app_config);
+ }
+
+ /* Look for a runtime with the exact version */
+ image = mono_image_open (exe_file, NULL);
+ if (image == NULL) {
+ /* The image is wrong or the file was not found. In this case return
+ * a default runtime and leave to the initialization method the work of
+ * reporting the error.
+ */
+ return get_runtime_by_version (DEFAULT_RUNTIME_VERSION);
+ }
+
+ runtime = get_runtime_by_version (image->version);
+
+ return runtime;
+}
+
+const char*
+mono_get_framework_version (void)
+{
+ return current_runtime->framework_version;
+}
+
+const char*
+mono_get_runtime_version (void)
+{
+ return current_runtime->runtime_version;
+}