#include <config.h>
#include <glib.h>
#include <string.h>
+#include <sys/stat.h>
#include <mono/os/gc_wrapper.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 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;
+
+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_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;
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 = "mscorlib";
ass = mono_assembly_load (&corlib_aname, NULL, &status);
if ((status != MONO_IMAGE_OK) || (ass == NULL)) {
switch (status){
- case MONO_IMAGE_ERROR_ERRNO:
+ 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",
- mono_assembly_getrootdir ());
+ 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/mscorlib.dll is an invalid CIL image\n",
mono_assembly_getrootdir ());
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_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;
+}
projects / mono.git / blobdiff