50 //
51 // For example, a JVM_CONSTANT_Class reference to a supertype can be safely resolved
52 // at dump time, because at run time we will load a class from the CDS archive only
53 // if all of its supertypes are loaded from the CDS archive.
54 class AOTConstantPoolResolver : AllStatic {
55 static const int TABLE_SIZE = 15889; // prime number
56 using ClassesTable = ResourceHashtable<InstanceKlass*, bool, TABLE_SIZE, AnyObj::C_HEAP, mtClassShared> ;
57 static ClassesTable* _processed_classes;
58
59 #ifdef ASSERT
60 template <typename T> static bool is_in_archivebuilder_buffer(T p) {
61 return is_in_archivebuilder_buffer((address)(p));
62 }
63 static bool is_in_archivebuilder_buffer(address p);
64 #endif
65
66 static void resolve_string(constantPoolHandle cp, int cp_index, TRAPS) NOT_CDS_JAVA_HEAP_RETURN;
67 static bool is_class_resolution_deterministic(InstanceKlass* cp_holder, Klass* resolved_class);
68 static bool is_indy_resolution_deterministic(ConstantPool* cp, int cp_index);
69
70 static Klass* find_loaded_class(Thread* current, oop class_loader, Symbol* name);
71 static Klass* find_loaded_class(Thread* current, ConstantPool* cp, int class_cp_index);
72
73 // fmi = FieldRef/MethodRef/InterfaceMethodRef
74 static void maybe_resolve_fmi_ref(InstanceKlass* ik, Method* m, Bytecodes::Code bc, int raw_index,
75 GrowableArray<bool>* resolve_fmi_list, TRAPS);
76
77 static bool check_methodtype_signature(ConstantPool* cp, Symbol* sig, Klass** return_type_ret = nullptr);
78 static bool check_lambda_metafactory_signature(ConstantPool* cp, Symbol* sig);
79 static bool check_lambda_metafactory_methodtype_arg(ConstantPool* cp, int bsms_attribute_index, int arg_i);
80 static bool check_lambda_metafactory_methodhandle_arg(ConstantPool* cp, int bsms_attribute_index, int arg_i);
81
82 public:
83 static void initialize();
84 static void dispose();
85
86 static void preresolve_class_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
87 static void preresolve_field_and_method_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
88 static void preresolve_indy_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
89
90
91 // Resolve all constant pool entries that are safe to be stored in the
92 // CDS archive.
93 static void dumptime_resolve_constants(InstanceKlass* ik, TRAPS);
94
95 static bool is_resolution_deterministic(ConstantPool* cp, int cp_index);
96 };
97
98 #endif // SHARE_CDS_AOTCONSTANTPOOLRESOLVER_HPP
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50 //
51 // For example, a JVM_CONSTANT_Class reference to a supertype can be safely resolved
52 // at dump time, because at run time we will load a class from the CDS archive only
53 // if all of its supertypes are loaded from the CDS archive.
54 class AOTConstantPoolResolver : AllStatic {
55 static const int TABLE_SIZE = 15889; // prime number
56 using ClassesTable = ResourceHashtable<InstanceKlass*, bool, TABLE_SIZE, AnyObj::C_HEAP, mtClassShared> ;
57 static ClassesTable* _processed_classes;
58
59 #ifdef ASSERT
60 template <typename T> static bool is_in_archivebuilder_buffer(T p) {
61 return is_in_archivebuilder_buffer((address)(p));
62 }
63 static bool is_in_archivebuilder_buffer(address p);
64 #endif
65
66 static void resolve_string(constantPoolHandle cp, int cp_index, TRAPS) NOT_CDS_JAVA_HEAP_RETURN;
67 static bool is_class_resolution_deterministic(InstanceKlass* cp_holder, Klass* resolved_class);
68 static bool is_indy_resolution_deterministic(ConstantPool* cp, int cp_index);
69
70 // helper
71 static Klass* resolve_boot_class_or_fail(const char* class_name, TRAPS);
72
73 // java/lang/reflect/Proxy caching
74 static void init_dynamic_proxy_cache(TRAPS);
75
76 static Klass* find_loaded_class(Thread* current, oop class_loader, Symbol* name);
77 static Klass* find_loaded_class(Thread* current, ConstantPool* cp, int class_cp_index);
78
79 // fmi = FieldRef/MethodRef/InterfaceMethodRef
80 static void maybe_resolve_fmi_ref(InstanceKlass* ik, Method* m, Bytecodes::Code bc, int raw_index,
81 GrowableArray<bool>* resolve_fmi_list, TRAPS);
82
83 static bool check_methodtype_signature(ConstantPool* cp, Symbol* sig, Klass** return_type_ret = nullptr);
84 static bool check_lambda_metafactory_signature(ConstantPool* cp, Symbol* sig);
85 static bool check_lambda_metafactory_methodtype_arg(ConstantPool* cp, int bsms_attribute_index, int arg_i);
86 static bool check_lambda_metafactory_methodhandle_arg(ConstantPool* cp, int bsms_attribute_index, int arg_i);
87
88 public:
89 static void initialize();
90 static void dispose();
91
92 static void preresolve_class_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
93 static void preresolve_field_and_method_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
94 static void preresolve_indy_cp_entries(JavaThread* current, InstanceKlass* ik, GrowableArray<bool>* preresolve_list);
95
96 // java/lang/Class$ReflectionData caching
97 static int class_reflection_data_flags(InstanceKlass* ik, TRAPS);
98 static void generate_reflection_data(JavaThread* current, InstanceKlass* ik, int rd_flags);
99
100 // java/lang/reflect/Proxy caching
101 static void trace_dynamic_proxy_class(oop loader, const char* proxy_name, objArrayOop interfaces, int access_flags);
102 static void define_dynamic_proxy_class(Handle loader, Handle proxy_name, Handle interfaces, int access_flags, TRAPS);
103
104 // Resolve all constant pool entries that are safe to be stored in the
105 // CDS archive.
106 static void dumptime_resolve_constants(InstanceKlass* ik, TRAPS);
107
108 static bool is_resolution_deterministic(ConstantPool* cp, int cp_index);
109 };
110
111 #endif // SHARE_CDS_AOTCONSTANTPOOLRESOLVER_HPP
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