/*************************************************************************/ /* gd_mono.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "gd_mono.h" #include #include #include #include #include #include #include "core/os/dir_access.h" #include "core/os/file_access.h" #include "core/os/os.h" #include "core/os/thread.h" #include "core/project_settings.h" #include "../csharp_script.h" #include "../glue/cs_glue_version.gen.h" #include "../godotsharp_dirs.h" #include "../utils/path_utils.h" #include "gd_mono_class.h" #include "gd_mono_marshal.h" #include "gd_mono_utils.h" #ifdef TOOLS_ENABLED #include "../editor/godotsharp_editor.h" #include "main/main.h" #endif #define OUT_OF_SYNC_ERR_MESSAGE(m_assembly_name) "The assembly '" m_assembly_name "' is out of sync. " \ "This error is expected if you just upgraded to a newer Godot version. " \ "Building the project will update the assembly to the correct version." GDMono *GDMono::singleton = NULL; namespace { void setup_runtime_main_args() { CharString execpath = OS::get_singleton()->get_executable_path().utf8(); List cmdline_args = OS::get_singleton()->get_cmdline_args(); List cmdline_args_utf8; Vector main_args; main_args.resize(cmdline_args.size() + 1); main_args.write[0] = execpath.ptrw(); int i = 1; for (List::Element *E = cmdline_args.front(); E; E = E->next()) { CharString &stored = cmdline_args_utf8.push_back(E->get().utf8())->get(); main_args.write[i] = stored.ptrw(); i++; } mono_runtime_set_main_args(main_args.size(), main_args.ptrw()); } void gdmono_profiler_init() { String profiler_args = GLOBAL_DEF("mono/profiler/args", "log:calls,alloc,sample,output=output.mlpd"); bool profiler_enabled = GLOBAL_DEF("mono/profiler/enabled", false); if (profiler_enabled) { mono_profiler_load(profiler_args.utf8()); } } #ifdef DEBUG_ENABLED static bool _wait_for_debugger_msecs(uint32_t p_msecs) { do { if (mono_is_debugger_attached()) return true; int last_tick = OS::get_singleton()->get_ticks_msec(); OS::get_singleton()->delay_usec((p_msecs < 25 ? p_msecs : 25) * 1000); uint32_t tdiff = OS::get_singleton()->get_ticks_msec() - last_tick; if (tdiff > p_msecs) { p_msecs = 0; } else { p_msecs -= tdiff; } } while (p_msecs > 0); return mono_is_debugger_attached(); } void gdmono_debug_init() { mono_debug_init(MONO_DEBUG_FORMAT_MONO); int da_port = GLOBAL_DEF("mono/debugger_agent/port", 23685); bool da_suspend = GLOBAL_DEF("mono/debugger_agent/wait_for_debugger", false); int da_timeout = GLOBAL_DEF("mono/debugger_agent/wait_timeout", 3000); #ifdef TOOLS_ENABLED if (Engine::get_singleton()->is_editor_hint() || ProjectSettings::get_singleton()->get_resource_path().empty() || Main::is_project_manager()) { return; } #endif CharString da_args = OS::get_singleton()->get_environment("GODOT_MONO_DEBUGGER_AGENT").utf8(); if (da_args.length() == 0) { da_args = String("--debugger-agent=transport=dt_socket,address=127.0.0.1:" + itos(da_port) + ",embedding=1,server=y,suspend=" + (da_suspend ? "y,timeout=" + itos(da_timeout) : "n")) .utf8(); } // --debugger-agent=help const char *options[] = { "--soft-breakpoints", da_args.get_data() }; mono_jit_parse_options(2, (char **)options); } #endif } // namespace void GDMono::add_mono_shared_libs_dir_to_path() { // By default Mono seems to search shared libraries in the following directories: // Current working directory, @executable_path@ and PATH // The parent directory of the image file (assembly where the dllimport method is declared) // @executable_path@/../lib // @executable_path@/../Libraries (__MACH__ only) // This does not work when embedding Mono unless we use the same directory structure. // To fix this we append the directory containing our shared libraries to PATH. #if defined(WINDOWS_ENABLED) || defined(UNIX_ENABLED) String path_var("PATH"); String path_value = OS::get_singleton()->get_environment(path_var); #ifdef WINDOWS_ENABLED path_value += ';'; String bundled_bin_dir = GodotSharpDirs::get_data_mono_bin_dir(); #ifdef TOOLS_ENABLED if (DirAccess::exists(bundled_bin_dir)) { path_value += bundled_bin_dir; } else { path_value += mono_reg_info.bin_dir; } #else if (DirAccess::exists(bundled_bin_dir)) path_value += bundled_bin_dir; #endif // TOOLS_ENABLED #else path_value += ':'; String bundled_lib_dir = GodotSharpDirs::get_data_mono_lib_dir(); if (DirAccess::exists(bundled_lib_dir)) { path_value += bundled_lib_dir; } else { // TODO: Do we need to add the lib dir when using the system installed Mono on Unix platforms? } #endif // WINDOWS_ENABLED OS::get_singleton()->set_environment(path_var, path_value); #endif // WINDOWS_ENABLED || UNIX_ENABLED } void GDMono::initialize() { ERR_FAIL_NULL(Engine::get_singleton()); print_verbose("Mono: Initializing module..."); #ifdef DEBUG_METHODS_ENABLED _initialize_and_check_api_hashes(); #endif GDMonoLog::get_singleton()->initialize(); String assembly_rootdir; String config_dir; #ifdef TOOLS_ENABLED #if defined(WINDOWS_ENABLED) mono_reg_info = MonoRegUtils::find_mono(); if (mono_reg_info.assembly_dir.length() && DirAccess::exists(mono_reg_info.assembly_dir)) { assembly_rootdir = mono_reg_info.assembly_dir; } if (mono_reg_info.config_dir.length() && DirAccess::exists(mono_reg_info.config_dir)) { config_dir = mono_reg_info.config_dir; } #elif defined(OSX_ENABLED) const char *c_assembly_rootdir = mono_assembly_getrootdir(); const char *c_config_dir = mono_get_config_dir(); if (!c_assembly_rootdir || !c_config_dir || !DirAccess::exists(c_assembly_rootdir) || !DirAccess::exists(c_config_dir)) { Vector locations; locations.push_back("/Library/Frameworks/Mono.framework/Versions/Current/"); locations.push_back("/usr/local/var/homebrew/linked/mono/"); for (int i = 0; i < locations.size(); i++) { String hint_assembly_rootdir = path_join(locations[i], "lib"); String hint_mscorlib_path = path_join(hint_assembly_rootdir, "mono", "4.5", "mscorlib.dll"); String hint_config_dir = path_join(locations[i], "etc"); if (FileAccess::exists(hint_mscorlib_path) && DirAccess::exists(hint_config_dir)) { assembly_rootdir = hint_assembly_rootdir; config_dir = hint_config_dir; break; } } } #endif #endif // TOOLS_ENABLED String bundled_assembly_rootdir = GodotSharpDirs::get_data_mono_lib_dir(); String bundled_config_dir = GodotSharpDirs::get_data_mono_etc_dir(); #ifdef TOOLS_ENABLED if (DirAccess::exists(bundled_assembly_rootdir) && DirAccess::exists(bundled_config_dir)) { assembly_rootdir = bundled_assembly_rootdir; config_dir = bundled_config_dir; } #ifdef WINDOWS_ENABLED if (assembly_rootdir.empty() || config_dir.empty()) { // Assertion: if they are not set, then they weren't found in the registry CRASH_COND(mono_reg_info.assembly_dir.length() > 0 || mono_reg_info.config_dir.length() > 0); ERR_PRINT("Cannot find Mono in the registry"); } #endif // WINDOWS_ENABLED #else // These are always the directories in export templates assembly_rootdir = bundled_assembly_rootdir; config_dir = bundled_config_dir; #endif // TOOLS_ENABLED // Leak if we call mono_set_dirs more than once mono_set_dirs(assembly_rootdir.length() ? assembly_rootdir.utf8().get_data() : NULL, config_dir.length() ? config_dir.utf8().get_data() : NULL); add_mono_shared_libs_dir_to_path(); GDMonoAssembly::initialize(); gdmono_profiler_init(); #ifdef DEBUG_ENABLED gdmono_debug_init(); #endif mono_config_parse(NULL); mono_install_unhandled_exception_hook(&unhandled_exception_hook, NULL); #ifndef TOOLS_ENABLED if (!DirAccess::exists("res://.mono")) { // 'res://.mono/' is missing so there is nothing to load. We don't need to initialize mono, but // we still do so unless mscorlib is missing (which is the case for projects that don't use C#). String mscorlib_fname("mscorlib.dll"); Vector search_dirs; GDMonoAssembly::fill_search_dirs(search_dirs); bool found = false; for (int i = 0; i < search_dirs.size(); i++) { if (FileAccess::exists(search_dirs[i].plus_file(mscorlib_fname))) { found = true; break; } } if (!found) return; // mscorlib is missing, do not initialize mono } #endif #if !defined(WINDOWS_ENABLED) && !defined(NO_MONO_THREADS_SUSPEND_WORKAROUND) // FIXME: Temporary workaround. See: https://github.com/godotengine/godot/issues/29812 if (!OS::get_singleton()->has_environment("MONO_THREADS_SUSPEND")) { OS::get_singleton()->set_environment("MONO_THREADS_SUSPEND", "preemptive"); } #endif root_domain = mono_jit_init_version("GodotEngine.RootDomain", "v4.0.30319"); ERR_EXPLAIN("Mono: Failed to initialize runtime"); ERR_FAIL_NULL(root_domain); GDMonoUtils::set_main_thread(GDMonoUtils::get_current_thread()); setup_runtime_main_args(); // Required for System.Environment.GetCommandLineArgs runtime_initialized = true; print_verbose("Mono: Runtime initialized"); // mscorlib assembly MUST be present at initialization ERR_EXPLAIN("Mono: Failed to load mscorlib assembly"); ERR_FAIL_COND(!_load_corlib_assembly()); #ifdef TOOLS_ENABLED // The tools domain must be loaded here, before the scripts domain. // Otherwise domain unload on the scripts domain will hang indefinitely. ERR_EXPLAIN("Mono: Failed to load tools domain"); ERR_FAIL_COND(_load_tools_domain() != OK); // TODO move to editor init callback, and do it lazily when required before editor init (e.g.: bindings generation) ERR_EXPLAIN("Mono: Failed to load Editor Tools assembly"); ERR_FAIL_COND(!_load_editor_tools_assembly()); #endif ERR_EXPLAIN("Mono: Failed to load scripts domain"); ERR_FAIL_COND(_load_scripts_domain() != OK); #ifdef DEBUG_ENABLED bool debugger_attached = _wait_for_debugger_msecs(500); if (!debugger_attached && OS::get_singleton()->is_stdout_verbose()) print_error("Mono: Debugger wait timeout"); #endif _register_internal_calls(); // The following assemblies are not required at initialization #ifdef MONO_GLUE_ENABLED if (_load_api_assemblies()) { // Everything is fine with the api assemblies, load the project assembly _load_project_assembly(); } else { if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)) #ifdef TOOLS_ENABLED || (editor_api_assembly && editor_api_assembly_out_of_sync) #endif ) { #ifdef TOOLS_ENABLED // The assembly was successfully loaded, but the full api could not be cached. // This is most likely an outdated assembly loaded because of an invalid version in the // metadata, so we invalidate the version in the metadata and unload the script domain. if (core_api_assembly_out_of_sync) { ERR_PRINT(OUT_OF_SYNC_ERR_MESSAGE(CORE_API_ASSEMBLY_NAME)); metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true); } else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) { ERR_PRINT("The loaded assembly '" CORE_API_ASSEMBLY_NAME "' is in sync, but the cache update failed"); metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true); } if (editor_api_assembly_out_of_sync) { ERR_PRINT(OUT_OF_SYNC_ERR_MESSAGE(EDITOR_API_ASSEMBLY_NAME)); metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true); } print_line("Mono: Proceeding to unload scripts domain because of invalid API assemblies."); Error err = _unload_scripts_domain(); if (err != OK) { WARN_PRINT("Mono: Failed to unload scripts domain"); } #else ERR_PRINT("The loaded API assembly is invalid"); CRASH_NOW(); #endif // TOOLS_ENABLED } } #else print_verbose("Mono: Glue disabled, ignoring script assemblies."); #endif // MONO_GLUE_ENABLED print_verbose("Mono: INITIALIZED"); } #ifdef MONO_GLUE_ENABLED namespace GodotSharpBindings { uint64_t get_core_api_hash(); #ifdef TOOLS_ENABLED uint64_t get_editor_api_hash(); #endif uint32_t get_bindings_version(); void register_generated_icalls(); } // namespace GodotSharpBindings #endif void GDMono::_register_internal_calls() { #ifdef MONO_GLUE_ENABLED GodotSharpBindings::register_generated_icalls(); #endif #ifdef TOOLS_ENABLED GodotSharpEditor::register_internal_calls(); #endif } void GDMono::_initialize_and_check_api_hashes() { #ifdef MONO_GLUE_ENABLED if (get_api_core_hash() != GodotSharpBindings::get_core_api_hash()) { ERR_PRINT("Mono: Core API hash mismatch!"); } #ifdef TOOLS_ENABLED if (get_api_editor_hash() != GodotSharpBindings::get_editor_api_hash()) { ERR_PRINT("Mono: Editor API hash mismatch!"); } #endif // TOOLS_ENABLED #endif // MONO_GLUE_ENABLED } void GDMono::add_assembly(uint32_t p_domain_id, GDMonoAssembly *p_assembly) { assemblies[p_domain_id][p_assembly->get_name()] = p_assembly; } GDMonoAssembly **GDMono::get_loaded_assembly(const String &p_name) { MonoDomain *domain = mono_domain_get(); uint32_t domain_id = domain ? mono_domain_get_id(domain) : 0; return assemblies[domain_id].getptr(p_name); } bool GDMono::load_assembly(const String &p_name, GDMonoAssembly **r_assembly, bool p_refonly) { CRASH_COND(!r_assembly); MonoAssemblyName *aname = mono_assembly_name_new(p_name.utf8()); bool result = load_assembly(p_name, aname, r_assembly, p_refonly); mono_assembly_name_free(aname); mono_free(aname); return result; } bool GDMono::load_assembly(const String &p_name, MonoAssemblyName *p_aname, GDMonoAssembly **r_assembly, bool p_refonly) { CRASH_COND(!r_assembly); print_verbose("Mono: Loading assembly " + p_name + (p_refonly ? " (refonly)" : "") + "..."); MonoImageOpenStatus status = MONO_IMAGE_OK; MonoAssembly *assembly = mono_assembly_load_full(p_aname, NULL, &status, p_refonly); if (!assembly) return false; ERR_FAIL_COND_V(status != MONO_IMAGE_OK, false); uint32_t domain_id = mono_domain_get_id(mono_domain_get()); GDMonoAssembly **stored_assembly = assemblies[domain_id].getptr(p_name); ERR_FAIL_COND_V(stored_assembly == NULL, false); ERR_FAIL_COND_V((*stored_assembly)->get_assembly() != assembly, false); *r_assembly = *stored_assembly; print_verbose("Mono: Assembly " + p_name + (p_refonly ? " (refonly)" : "") + " loaded from path: " + (*r_assembly)->get_path()); return true; } bool GDMono::load_assembly_from(const String &p_name, const String &p_path, GDMonoAssembly **r_assembly, bool p_refonly) { CRASH_COND(!r_assembly); print_verbose("Mono: Loading assembly " + p_name + (p_refonly ? " (refonly)" : "") + "..."); GDMonoAssembly *assembly = GDMonoAssembly::load_from(p_name, p_path, p_refonly); if (!assembly) return false; #ifdef DEBUG_ENABLED uint32_t domain_id = mono_domain_get_id(mono_domain_get()); GDMonoAssembly **stored_assembly = assemblies[domain_id].getptr(p_name); ERR_FAIL_COND_V(stored_assembly == NULL, false); ERR_FAIL_COND_V(*stored_assembly != assembly, false); #endif *r_assembly = assembly; print_verbose("Mono: Assembly " + p_name + (p_refonly ? " (refonly)" : "") + " loaded from path: " + (*r_assembly)->get_path()); return true; } APIAssembly::Version APIAssembly::Version::get_from_loaded_assembly(GDMonoAssembly *p_api_assembly, APIAssembly::Type p_api_type) { APIAssembly::Version api_assembly_version; const char *nativecalls_name = p_api_type == APIAssembly::API_CORE ? BINDINGS_CLASS_NATIVECALLS : BINDINGS_CLASS_NATIVECALLS_EDITOR; GDMonoClass *nativecalls_klass = p_api_assembly->get_class(BINDINGS_NAMESPACE, nativecalls_name); if (nativecalls_klass) { GDMonoField *api_hash_field = nativecalls_klass->get_field("godot_api_hash"); if (api_hash_field) api_assembly_version.godot_api_hash = GDMonoMarshal::unbox(api_hash_field->get_value(NULL)); GDMonoField *binds_ver_field = nativecalls_klass->get_field("bindings_version"); if (binds_ver_field) api_assembly_version.bindings_version = GDMonoMarshal::unbox(binds_ver_field->get_value(NULL)); GDMonoField *cs_glue_ver_field = nativecalls_klass->get_field("cs_glue_version"); if (cs_glue_ver_field) api_assembly_version.cs_glue_version = GDMonoMarshal::unbox(cs_glue_ver_field->get_value(NULL)); } return api_assembly_version; } String APIAssembly::to_string(APIAssembly::Type p_type) { return p_type == APIAssembly::API_CORE ? "API_CORE" : "API_EDITOR"; } bool GDMono::_load_corlib_assembly() { if (corlib_assembly) return true; bool success = load_assembly("mscorlib", &corlib_assembly); if (success) GDMonoUtils::update_corlib_cache(); return success; } bool GDMono::_load_core_api_assembly() { if (core_api_assembly) return true; #ifdef TOOLS_ENABLED if (metadata_is_api_assembly_invalidated(APIAssembly::API_CORE)) { print_verbose("Mono: Skipping loading of Core API assembly because it was invalidated"); return false; } #endif String assembly_path = GodotSharpDirs::get_res_assemblies_dir().plus_file(CORE_API_ASSEMBLY_NAME ".dll"); if (!FileAccess::exists(assembly_path)) return false; bool success = load_assembly_from(CORE_API_ASSEMBLY_NAME, assembly_path, &core_api_assembly); if (success) { #ifdef MONO_GLUE_ENABLED APIAssembly::Version api_assembly_ver = APIAssembly::Version::get_from_loaded_assembly(core_api_assembly, APIAssembly::API_CORE); core_api_assembly_out_of_sync = GodotSharpBindings::get_core_api_hash() != api_assembly_ver.godot_api_hash || GodotSharpBindings::get_bindings_version() != api_assembly_ver.bindings_version || CS_GLUE_VERSION != api_assembly_ver.cs_glue_version; if (!core_api_assembly_out_of_sync) { GDMonoUtils::update_godot_api_cache(); _install_trace_listener(); } #else GDMonoUtils::update_godot_api_cache(); #endif } return success; } #ifdef TOOLS_ENABLED bool GDMono::_load_editor_api_assembly() { if (editor_api_assembly) return true; if (metadata_is_api_assembly_invalidated(APIAssembly::API_EDITOR)) { print_verbose("Mono: Skipping loading of Editor API assembly because it was invalidated"); return false; } String assembly_path = GodotSharpDirs::get_res_assemblies_dir().plus_file(EDITOR_API_ASSEMBLY_NAME ".dll"); if (!FileAccess::exists(assembly_path)) return false; bool success = load_assembly_from(EDITOR_API_ASSEMBLY_NAME, assembly_path, &editor_api_assembly); if (success) { #ifdef MONO_GLUE_ENABLED APIAssembly::Version api_assembly_ver = APIAssembly::Version::get_from_loaded_assembly(editor_api_assembly, APIAssembly::API_EDITOR); editor_api_assembly_out_of_sync = GodotSharpBindings::get_editor_api_hash() != api_assembly_ver.godot_api_hash || GodotSharpBindings::get_bindings_version() != api_assembly_ver.bindings_version || CS_GLUE_VERSION != api_assembly_ver.cs_glue_version; #endif } return success; } #endif #ifdef TOOLS_ENABLED bool GDMono::_load_editor_tools_assembly() { if (editor_tools_assembly) return true; _GDMONO_SCOPE_DOMAIN_(tools_domain) return load_assembly(EDITOR_TOOLS_ASSEMBLY_NAME, &editor_tools_assembly); } #endif bool GDMono::_load_project_assembly() { if (project_assembly) return true; String name = ProjectSettings::get_singleton()->get("application/config/name"); if (name.empty()) { name = "UnnamedProject"; } bool success = load_assembly(name, &project_assembly); if (success) { mono_assembly_set_main(project_assembly->get_assembly()); CSharpLanguage::get_singleton()->project_assembly_loaded(); } else { if (OS::get_singleton()->is_stdout_verbose()) print_error("Mono: Failed to load project assembly"); } return success; } bool GDMono::_load_api_assemblies() { if (!_load_core_api_assembly()) { if (OS::get_singleton()->is_stdout_verbose()) print_error("Mono: Failed to load Core API assembly"); return false; } if (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated) return false; #ifdef TOOLS_ENABLED if (!_load_editor_api_assembly()) { if (OS::get_singleton()->is_stdout_verbose()) print_error("Mono: Failed to load Editor API assembly"); return false; } if (editor_api_assembly_out_of_sync) return false; #endif return true; } void GDMono::_install_trace_listener() { #ifdef DEBUG_ENABLED // Install the trace listener now before the project assembly is loaded typedef void (*DebuggingUtils_InstallTraceListener)(MonoObject **); MonoException *exc = NULL; GDMonoClass *debug_utils = core_api_assembly->get_class(BINDINGS_NAMESPACE, "DebuggingUtils"); DebuggingUtils_InstallTraceListener install_func = (DebuggingUtils_InstallTraceListener)debug_utils->get_method_thunk("InstallTraceListener"); install_func((MonoObject **)&exc); if (exc) { ERR_PRINT("Failed to install System.Diagnostics.Trace listener"); GDMonoUtils::debug_print_unhandled_exception(exc); } #endif } #ifdef TOOLS_ENABLED String GDMono::_get_api_assembly_metadata_path() { return GodotSharpDirs::get_res_metadata_dir().plus_file("api_assemblies.cfg"); } void GDMono::metadata_set_api_assembly_invalidated(APIAssembly::Type p_api_type, bool p_invalidated) { String section = APIAssembly::to_string(p_api_type); String path = _get_api_assembly_metadata_path(); Ref metadata; metadata.instance(); metadata->load(path); metadata->set_value(section, "invalidated", p_invalidated); String assembly_path = GodotSharpDirs::get_res_assemblies_dir() .plus_file(p_api_type == APIAssembly::API_CORE ? CORE_API_ASSEMBLY_NAME ".dll" : EDITOR_API_ASSEMBLY_NAME ".dll"); ERR_FAIL_COND(!FileAccess::exists(assembly_path)); uint64_t modified_time = FileAccess::get_modified_time(assembly_path); metadata->set_value(section, "invalidated_asm_modified_time", String::num_uint64(modified_time)); String dir = path.get_base_dir(); if (!DirAccess::exists(dir)) { DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); ERR_FAIL_COND(!da); Error err = da->make_dir_recursive(ProjectSettings::get_singleton()->globalize_path(dir)); ERR_FAIL_COND(err != OK); } Error save_err = metadata->save(path); ERR_FAIL_COND(save_err != OK); } bool GDMono::metadata_is_api_assembly_invalidated(APIAssembly::Type p_api_type) { String section = APIAssembly::to_string(p_api_type); Ref metadata; metadata.instance(); metadata->load(_get_api_assembly_metadata_path()); String assembly_path = GodotSharpDirs::get_res_assemblies_dir() .plus_file(p_api_type == APIAssembly::API_CORE ? CORE_API_ASSEMBLY_NAME ".dll" : EDITOR_API_ASSEMBLY_NAME ".dll"); if (!FileAccess::exists(assembly_path)) return false; uint64_t modified_time = FileAccess::get_modified_time(assembly_path); uint64_t stored_modified_time = metadata->get_value(section, "invalidated_asm_modified_time", 0); return metadata->get_value(section, "invalidated", false) && modified_time <= stored_modified_time; } #endif Error GDMono::_load_scripts_domain() { ERR_FAIL_COND_V(scripts_domain != NULL, ERR_BUG); print_verbose("Mono: Loading scripts domain..."); scripts_domain = GDMonoUtils::create_domain("GodotEngine.ScriptsDomain"); ERR_EXPLAIN("Mono: Could not create scripts app domain"); ERR_FAIL_NULL_V(scripts_domain, ERR_CANT_CREATE); mono_domain_set(scripts_domain, true); return OK; } Error GDMono::_unload_scripts_domain() { ERR_FAIL_NULL_V(scripts_domain, ERR_BUG); print_verbose("Mono: Unloading scripts domain..."); if (mono_domain_get() != root_domain) mono_domain_set(root_domain, true); finalizing_scripts_domain = true; if (!mono_domain_finalize(scripts_domain, 2000)) { ERR_PRINT("Mono: Domain finalization timeout"); } finalizing_scripts_domain = false; mono_gc_collect(mono_gc_max_generation()); _domain_assemblies_cleanup(mono_domain_get_id(scripts_domain)); core_api_assembly = NULL; project_assembly = NULL; #ifdef TOOLS_ENABLED editor_api_assembly = NULL; #endif core_api_assembly_out_of_sync = false; #ifdef TOOLS_ENABLED editor_api_assembly_out_of_sync = false; #endif MonoDomain *domain = scripts_domain; scripts_domain = NULL; MonoException *exc = NULL; mono_domain_try_unload(domain, (MonoObject **)&exc); if (exc) { ERR_PRINT("Exception thrown when unloading scripts domain"); GDMonoUtils::debug_unhandled_exception(exc); return FAILED; } return OK; } #ifdef TOOLS_ENABLED Error GDMono::_load_tools_domain() { ERR_FAIL_COND_V(tools_domain != NULL, ERR_BUG); print_verbose("Mono: Loading tools domain..."); tools_domain = GDMonoUtils::create_domain("GodotEngine.ToolsDomain"); ERR_EXPLAIN("Mono: Could not create tools app domain"); ERR_FAIL_NULL_V(tools_domain, ERR_CANT_CREATE); return OK; } #endif #ifdef GD_MONO_HOT_RELOAD Error GDMono::reload_scripts_domain() { ERR_FAIL_COND_V(!runtime_initialized, ERR_BUG); if (scripts_domain) { Error err = _unload_scripts_domain(); if (err != OK) { ERR_PRINT("Mono: Failed to unload scripts domain"); return err; } } CSharpLanguage::get_singleton()->_uninitialize_script_bindings(); Error err = _load_scripts_domain(); if (err != OK) { ERR_PRINT("Mono: Failed to load scripts domain"); return err; } #ifdef MONO_GLUE_ENABLED if (!_load_api_assemblies()) { if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)) #ifdef TOOLS_ENABLED || (editor_api_assembly && editor_api_assembly_out_of_sync) #endif ) { #ifdef TOOLS_ENABLED // The assembly was successfully loaded, but the full api could not be cached. // This is most likely an outdated assembly loaded because of an invalid version in the // metadata, so we invalidate the version in the metadata and unload the script domain. if (core_api_assembly_out_of_sync) { ERR_PRINT(OUT_OF_SYNC_ERR_MESSAGE(CORE_API_ASSEMBLY_NAME)); metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true); } else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) { ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed"); metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true); } if (editor_api_assembly_out_of_sync) { ERR_PRINT(OUT_OF_SYNC_ERR_MESSAGE(EDITOR_API_ASSEMBLY_NAME)); metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true); } err = _unload_scripts_domain(); if (err != OK) { WARN_PRINT("Mono: Failed to unload scripts domain"); } return ERR_CANT_RESOLVE; #else ERR_PRINT("The loaded API assembly is invalid"); CRASH_NOW(); #endif } else { return ERR_CANT_OPEN; } } if (!_load_project_assembly()) { return ERR_CANT_OPEN; } #else print_verbose("Mono: Glue disabled, ignoring script assemblies."); #endif // MONO_GLUE_ENABLED return OK; } #endif Error GDMono::finalize_and_unload_domain(MonoDomain *p_domain) { CRASH_COND(p_domain == NULL); String domain_name = mono_domain_get_friendly_name(p_domain); print_verbose("Mono: Unloading domain `" + domain_name + "`..."); if (mono_domain_get() == p_domain) mono_domain_set(root_domain, true); if (!mono_domain_finalize(p_domain, 2000)) { ERR_PRINT("Mono: Domain finalization timeout"); } mono_gc_collect(mono_gc_max_generation()); _domain_assemblies_cleanup(mono_domain_get_id(p_domain)); #ifdef TOOLS_ENABLED if (p_domain == tools_domain) { editor_tools_assembly = NULL; } #endif MonoException *exc = NULL; mono_domain_try_unload(p_domain, (MonoObject **)&exc); if (exc) { ERR_PRINTS("Exception thrown when unloading domain `" + domain_name + "`"); GDMonoUtils::debug_unhandled_exception(exc); return FAILED; } return OK; } GDMonoClass *GDMono::get_class(MonoClass *p_raw_class) { MonoImage *image = mono_class_get_image(p_raw_class); if (image == corlib_assembly->get_image()) return corlib_assembly->get_class(p_raw_class); uint32_t domain_id = mono_domain_get_id(mono_domain_get()); HashMap &domain_assemblies = assemblies[domain_id]; const String *k = NULL; while ((k = domain_assemblies.next(k))) { GDMonoAssembly *assembly = domain_assemblies.get(*k); if (assembly->get_image() == image) { GDMonoClass *klass = assembly->get_class(p_raw_class); if (klass) return klass; } } return NULL; } void GDMono::_domain_assemblies_cleanup(uint32_t p_domain_id) { HashMap &domain_assemblies = assemblies[p_domain_id]; const String *k = NULL; while ((k = domain_assemblies.next(k))) { memdelete(domain_assemblies.get(*k)); } assemblies.erase(p_domain_id); } void GDMono::unhandled_exception_hook(MonoObject *p_exc, void *) { // This method will be called by the runtime when a thrown exception is not handled. // It won't be called when we manually treat a thrown exception as unhandled. // We assume the exception was already printed before calling this hook. #ifdef DEBUG_ENABLED GDMonoUtils::debug_send_unhandled_exception_error((MonoException *)p_exc); if (ScriptDebugger::get_singleton()) ScriptDebugger::get_singleton()->idle_poll(); #endif exit(mono_environment_exitcode_get()); GD_UNREACHABLE(); } GDMono::GDMono() { singleton = this; gdmono_log = memnew(GDMonoLog); runtime_initialized = false; finalizing_scripts_domain = false; root_domain = NULL; scripts_domain = NULL; #ifdef TOOLS_ENABLED tools_domain = NULL; #endif core_api_assembly_out_of_sync = false; #ifdef TOOLS_ENABLED editor_api_assembly_out_of_sync = false; #endif corlib_assembly = NULL; core_api_assembly = NULL; project_assembly = NULL; #ifdef TOOLS_ENABLED editor_api_assembly = NULL; editor_tools_assembly = NULL; #endif api_core_hash = 0; #ifdef TOOLS_ENABLED api_editor_hash = 0; #endif } GDMono::~GDMono() { if (is_runtime_initialized()) { #ifdef TOOLS_ENABLED if (tools_domain) { Error err = finalize_and_unload_domain(tools_domain); if (err != OK) { ERR_PRINT("Mono: Failed to unload tools domain"); } } #endif if (scripts_domain) { Error err = _unload_scripts_domain(); if (err != OK) { ERR_PRINT("Mono: Failed to unload scripts domain"); } } const uint32_t *k = NULL; while ((k = assemblies.next(k))) { HashMap &domain_assemblies = assemblies.get(*k); const String *kk = NULL; while ((kk = domain_assemblies.next(kk))) { memdelete(domain_assemblies.get(*kk)); } } assemblies.clear(); GDMonoUtils::clear_cache(); print_verbose("Mono: Runtime cleanup..."); mono_jit_cleanup(root_domain); print_verbose("Mono: Finalized"); runtime_initialized = false; } if (gdmono_log) memdelete(gdmono_log); singleton = NULL; } _GodotSharp *_GodotSharp::singleton = NULL; void _GodotSharp::attach_thread() { GDMonoUtils::attach_current_thread(); } void _GodotSharp::detach_thread() { GDMonoUtils::detach_current_thread(); } int32_t _GodotSharp::get_domain_id() { MonoDomain *domain = mono_domain_get(); CRASH_COND(!domain); // User must check if runtime is initialized before calling this method return mono_domain_get_id(domain); } int32_t _GodotSharp::get_scripts_domain_id() { MonoDomain *domain = SCRIPTS_DOMAIN; CRASH_COND(!domain); // User must check if scripts domain is loaded before calling this method return mono_domain_get_id(domain); } bool _GodotSharp::is_scripts_domain_loaded() { return GDMono::get_singleton()->is_runtime_initialized() && SCRIPTS_DOMAIN != NULL; } bool _GodotSharp::_is_domain_finalizing_for_unload(int32_t p_domain_id) { return is_domain_finalizing_for_unload(p_domain_id); } bool _GodotSharp::is_domain_finalizing_for_unload() { return is_domain_finalizing_for_unload(mono_domain_get()); } bool _GodotSharp::is_domain_finalizing_for_unload(int32_t p_domain_id) { return is_domain_finalizing_for_unload(mono_domain_get_by_id(p_domain_id)); } bool _GodotSharp::is_domain_finalizing_for_unload(MonoDomain *p_domain) { if (!p_domain) return true; if (p_domain == SCRIPTS_DOMAIN && GDMono::get_singleton()->is_finalizing_scripts_domain()) return true; return mono_domain_is_unloading(p_domain); } bool _GodotSharp::is_runtime_shutting_down() { return mono_runtime_is_shutting_down(); } bool _GodotSharp::is_runtime_initialized() { return GDMono::get_singleton()->is_runtime_initialized(); } void _GodotSharp::_bind_methods() { ClassDB::bind_method(D_METHOD("attach_thread"), &_GodotSharp::attach_thread); ClassDB::bind_method(D_METHOD("detach_thread"), &_GodotSharp::detach_thread); ClassDB::bind_method(D_METHOD("get_domain_id"), &_GodotSharp::get_domain_id); ClassDB::bind_method(D_METHOD("get_scripts_domain_id"), &_GodotSharp::get_scripts_domain_id); ClassDB::bind_method(D_METHOD("is_scripts_domain_loaded"), &_GodotSharp::is_scripts_domain_loaded); ClassDB::bind_method(D_METHOD("is_domain_finalizing_for_unload", "domain_id"), &_GodotSharp::_is_domain_finalizing_for_unload); ClassDB::bind_method(D_METHOD("is_runtime_shutting_down"), &_GodotSharp::is_runtime_shutting_down); ClassDB::bind_method(D_METHOD("is_runtime_initialized"), &_GodotSharp::is_runtime_initialized); } _GodotSharp::_GodotSharp() { singleton = this; } _GodotSharp::~_GodotSharp() { singleton = NULL; }