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src/share/vm/runtime/sharedRuntime.cpp

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*** 53,62 **** --- 53,63 ---- #include "runtime/biasedLocking.hpp" #include "runtime/compilationPolicy.hpp" #include "runtime/handles.inline.hpp" #include "runtime/init.hpp" #include "runtime/interfaceSupport.hpp" + #include "runtime/java.hpp" #include "runtime/javaCalls.hpp" #include "runtime/sharedRuntime.hpp" #include "runtime/stubRoutines.hpp" #include "runtime/vframe.hpp" #include "runtime/vframeArray.hpp"
*** 1931,1978 **** Klass* target_klass = vfst.method()->constants()->klass_at( cc.index(), thread); return generate_class_cast_message(caster_klass, target_klass); } ! char* SharedRuntime::generate_class_cast_message( ! Klass* caster_klass, Klass* target_klass) { ! const char* caster_klass_name = caster_klass->external_name(); ! Klass* c_klass = caster_klass->is_objArray_klass() ? ! ObjArrayKlass::cast(caster_klass)->bottom_klass() : caster_klass; ! ModuleEntry* caster_module; ! const char* caster_module_name; ! if (c_klass->is_instance_klass()) { ! caster_module = InstanceKlass::cast(c_klass)->module(); ! caster_module_name = caster_module->is_named() ? ! caster_module->name()->as_C_string() : UNNAMED_MODULE; ! } else { ! caster_module_name = "java.base"; ! } ! const char* target_klass_name = target_klass->external_name(); ! Klass* t_klass = target_klass->is_objArray_klass() ? ! ObjArrayKlass::cast(target_klass)->bottom_klass() : target_klass; ! ModuleEntry* target_module; ! const char* target_module_name; ! if (t_klass->is_instance_klass()) { ! target_module = InstanceKlass::cast(t_klass)->module(); ! target_module_name = target_module->is_named() ? ! target_module->name()->as_C_string(): UNNAMED_MODULE; } else { ! target_module_name = "java.base"; } ! size_t msglen = strlen(caster_klass_name) + strlen(caster_module_name) + ! strlen(target_klass_name) + strlen(target_module_name) + 50; char* message = NEW_RESOURCE_ARRAY(char, msglen); if (NULL == message) { // Shouldn't happen, but don't cause even more problems if it does ! message = const_cast<char*>(caster_klass_name); } else { ! jio_snprintf(message, msglen, "%s (in module: %s) cannot be cast to %s (in module: %s)", ! caster_klass_name, caster_module_name, target_klass_name, target_module_name); } return message; } JRT_LEAF(void, SharedRuntime::reguard_yellow_pages()) --- 1932,2037 ---- Klass* target_klass = vfst.method()->constants()->klass_at( cc.index(), thread); return generate_class_cast_message(caster_klass, target_klass); } ! // The caller of class_loader_and_module_name() (or one of its callers) ! // must use a ResourceMark in order to correctly free the result. ! const char* class_loader_and_module_name(Klass* klass) { ! const char* delim = "/"; ! int delim_len = strlen(delim); ! ! const char* fqn = klass->external_name(); ! // Length of message to return; always include FQN ! size_t msglen = strlen(fqn) + 1; ! ! bool has_cl_name = false; ! bool has_mod_name = false; ! bool has_version = false; ! ! // Use class loader name, if exists and not builtin ! const char* class_loader_name = ""; ! ClassLoaderData* cld = klass->class_loader_data(); ! if (cld == NULL || !cld->is_builtin_class_loader_data()) { ! // If not builtin, look for internal name ! oop loader = klass->class_loader(); ! if (loader != NULL) { ! oopDesc* class_loader = java_lang_ClassLoader::name(loader); ! if (class_loader != NULL && class_loader->klass() != NULL) { ! class_loader_name = class_loader->klass()->internal_name(); ! if (class_loader_name != NULL && class_loader_name[0] != '\0') { ! has_cl_name = true; ! msglen += strlen(class_loader_name) + delim_len; ! } ! } ! } ! } ! const char* module_name = ""; ! const char* version = ""; ! Klass* bottom_klass = klass->is_objArray_klass() ? ! ObjArrayKlass::cast(klass)->bottom_klass() : klass; ! if (bottom_klass->is_instance_klass()) { ! ModuleEntry* module = InstanceKlass::cast(bottom_klass)->module(); ! // Use module name, if exists ! if (module->is_named()) { ! has_mod_name = true; ! module_name = module->name()->as_C_string(); ! msglen += strlen(module_name); ! // Use version if exists and is not a jdk module ! if (module->is_non_jdk_module() && module->version() != NULL) { ! has_version = true; ! version = module->version()->as_C_string(); ! msglen += strlen("@") + strlen(version); ! } ! } } else { ! // klass is an array of primitives, so its module is java.base ! module_name = "java.base"; } ! if (has_cl_name || has_mod_name) { ! msglen += delim_len; ! } ! ! char* message = NEW_RESOURCE_ARRAY(char, msglen); ! ! // Just return the FQN if error in allocating string ! if (message == NULL) { ! return fqn; ! } ! ! jio_snprintf(message, msglen, "%s%s%s%s%s%s%s", ! class_loader_name, ! (has_cl_name) ? delim : "", ! (has_mod_name) ? module_name : "", ! (has_version) ? "@" : "", ! (has_version) ? version : "", ! (has_cl_name || has_mod_name) ? delim : "", ! fqn); ! return message; ! } ! ! char* SharedRuntime::generate_class_cast_message( ! Klass* caster_klass, Klass* target_klass) { ! ! const char* caster_name = class_loader_and_module_name(caster_klass); ! ! const char* target_name = class_loader_and_module_name(target_klass); ! ! size_t msglen = strlen(caster_name) + strlen(" cannot be cast to ") + strlen(target_name) + 1; char* message = NEW_RESOURCE_ARRAY(char, msglen); if (NULL == message) { // Shouldn't happen, but don't cause even more problems if it does ! message = const_cast<char*>(caster_klass->external_name()); } else { ! jio_snprintf(message, ! msglen, ! "%s cannot be cast to %s", ! caster_name, ! target_name); } return message; } JRT_LEAF(void, SharedRuntime::reguard_yellow_pages())
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