44 // JVM support for MethodHandle, MethodType, and related types 45 // in java.lang.invoke and sun.invoke. 46 // See also javaClasses for layouts java_lang_invoke_Method{Handle,Type,Type::Form}. 47 public: 48 public: 49 static bool enabled() { return _enabled; } 50 static void set_enabled(bool z); 51 52 private: 53 static bool _enabled; 54 55 // Adapters. 56 static MethodHandlesAdapterBlob* _adapter_code; 57 58 // utility functions for reifying names and types 59 static oop field_name_or_null(Symbol* s); 60 static oop field_signature_type_or_null(Symbol* s); 61 62 public: 63 // working with member names 64 static Handle resolve_MemberName(Handle mname, KlassHandle caller, TRAPS); // compute vmtarget/vmindex from name/type 65 static void expand_MemberName(Handle mname, int suppress, TRAPS); // expand defc/name/type if missing 66 static Handle new_MemberName(TRAPS); // must be followed by init_MemberName 67 static oop init_MemberName(Handle mname_h, Handle target_h); // compute vmtarget/vmindex from target 68 static oop init_field_MemberName(Handle mname_h, fieldDescriptor& fd, bool is_setter = false); 69 static oop init_method_MemberName(Handle mname_h, CallInfo& info); 70 static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true); 71 static int find_MemberNames(KlassHandle k, Symbol* name, Symbol* sig, 72 int mflags, KlassHandle caller, 73 int skip, objArrayHandle results); 74 // bit values for suppress argument to expand_MemberName: 75 enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 }; 76 77 // CallSite support 78 static void add_dependent_nmethod(oop call_site, nmethod* nm); 79 static void remove_dependent_nmethod(oop call_site, nmethod* nm); 80 81 static void flush_dependent_nmethods(Handle call_site, Handle target); 82 83 // Generate MethodHandles adapters. 84 static void generate_adapters(); 85 86 // Called from MethodHandlesAdapterGenerator. 87 static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid); 88 static void generate_method_handle_dispatch(MacroAssembler* _masm, 89 vmIntrinsics::ID iid, 90 Register receiver_reg, 91 Register member_reg, 92 bool for_compiler_entry); | 44 // JVM support for MethodHandle, MethodType, and related types 45 // in java.lang.invoke and sun.invoke. 46 // See also javaClasses for layouts java_lang_invoke_Method{Handle,Type,Type::Form}. 47 public: 48 public: 49 static bool enabled() { return _enabled; } 50 static void set_enabled(bool z); 51 52 private: 53 static bool _enabled; 54 55 // Adapters. 56 static MethodHandlesAdapterBlob* _adapter_code; 57 58 // utility functions for reifying names and types 59 static oop field_name_or_null(Symbol* s); 60 static oop field_signature_type_or_null(Symbol* s); 61 62 public: 63 // working with member names 64 static Handle resolve_MemberName(Handle mname, Klass* caller, TRAPS); // compute vmtarget/vmindex from name/type 65 static void expand_MemberName(Handle mname, int suppress, TRAPS); // expand defc/name/type if missing 66 static Handle new_MemberName(TRAPS); // must be followed by init_MemberName 67 static oop init_MemberName(Handle mname_h, Handle target_h); // compute vmtarget/vmindex from target 68 static oop init_field_MemberName(Handle mname_h, fieldDescriptor& fd, bool is_setter = false); 69 static oop init_method_MemberName(Handle mname_h, CallInfo& info); 70 static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true); 71 static int find_MemberNames(Klass* k, Symbol* name, Symbol* sig, 72 int mflags, Klass* caller, 73 int skip, objArrayHandle results); 74 // bit values for suppress argument to expand_MemberName: 75 enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 }; 76 77 // CallSite support 78 static void add_dependent_nmethod(oop call_site, nmethod* nm); 79 static void remove_dependent_nmethod(oop call_site, nmethod* nm); 80 81 static void flush_dependent_nmethods(Handle call_site, Handle target); 82 83 // Generate MethodHandles adapters. 84 static void generate_adapters(); 85 86 // Called from MethodHandlesAdapterGenerator. 87 static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid); 88 static void generate_method_handle_dispatch(MacroAssembler* _masm, 89 vmIntrinsics::ID iid, 90 Register receiver_reg, 91 Register member_reg, 92 bool for_compiler_entry); |