void MVM_load_bytecode(MVMThreadContext *tc, MVMString *filename) { MVMCompUnit *cu; MVMLoadedCompUnitName *loaded_name; /* Work out actual filename to use, taking --libpath into account. */ filename = MVM_file_in_libpath(tc, filename); /* See if we already loaded this. */ uv_mutex_lock(&tc->instance->mutex_loaded_compunits); MVM_string_flatten(tc, filename); MVM_HASH_GET(tc, tc->instance->loaded_compunits, filename, loaded_name); if (loaded_name) { /* already loaded */ uv_mutex_unlock(&tc->instance->mutex_loaded_compunits); return; } /* Otherwise, load from disk. */ MVMROOT(tc, filename, { char *c_filename = MVM_string_utf8_c8_encode_C_string(tc, filename); /* XXX any exception from MVM_cu_map_from_file needs to be handled * and c_filename needs to be freed */ cu = MVM_cu_map_from_file(tc, c_filename); MVM_free(c_filename); cu->body.filename = filename; /* If there's a deserialization frame, need to run that. */ if (cu->body.deserialize_frame) { /* Set up special return to delegate to running the load frame, * if any. */ tc->cur_frame->return_value = NULL; tc->cur_frame->return_type = MVM_RETURN_VOID; tc->cur_frame->special_return = run_load; tc->cur_frame->special_return_data = cu; tc->cur_frame->mark_special_return_data = mark_sr_data; /* Invoke the deserialization frame and return to the runloop. */ MVM_frame_invoke(tc, cu->body.deserialize_frame, MVM_callsite_get_common(tc, MVM_CALLSITE_ID_NULL_ARGS), NULL, NULL, NULL, -1); } else { /* No deserialize frame, so do load frame instead. */ run_load(tc, cu); } loaded_name = MVM_calloc(1, sizeof(MVMLoadedCompUnitName)); loaded_name->filename = filename; MVM_HASH_BIND(tc, tc->instance->loaded_compunits, filename, loaded_name); });
int MVM_dll_load(MVMThreadContext *tc, MVMString *name, MVMString *path) { MVMDLLRegistry *entry; char *cpath; DLLib *lib; MVM_string_flatten(tc, name); uv_mutex_lock(&tc->instance->mutex_dll_registry); MVM_HASH_GET(tc, tc->instance->dll_registry, name, entry); /* already loaded */ if (entry && entry->lib) { uv_mutex_unlock(&tc->instance->mutex_dll_registry); return 0; } MVMROOT(tc, name, { MVMROOT(tc, path, { path = MVM_file_in_libpath(tc, path); }); });