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 oop init_MemberName(Handle mname_h, Handle target_h, TRAPS); // compute vmtarget/vmindex from target
67 static oop init_field_MemberName(Handle mname_h, fieldDescriptor& fd, bool is_setter = false);
68 static oop init_method_MemberName(Handle mname_h, CallInfo& info);
69 static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true);
70 static int find_MemberNames(Klass* k, Symbol* name, Symbol* sig,
71 int mflags, Klass* caller,
72 int skip, objArrayHandle results, TRAPS);
73 // bit values for suppress argument to expand_MemberName:
74 enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 };
75
76 // CallSite support
77 static void add_dependent_nmethod(oop call_site, nmethod* nm);
78 static void remove_dependent_nmethod(oop call_site, nmethod* nm);
79
80 static void flush_dependent_nmethods(Handle call_site, Handle target);
81
82 // Generate MethodHandles adapters.
83 static void generate_adapters();
84
85 // Called from MethodHandlesAdapterGenerator.
86 static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid);
87 static void generate_method_handle_dispatch(MacroAssembler* _masm,
88 vmIntrinsics::ID iid,
89 Register receiver_reg,
90 Register member_reg,
91 bool for_compiler_entry);
92
174 return (ref_kind <= JVM_REF_getStatic);
175 }
176 static bool ref_kind_is_setter(int ref_kind) {
177 return ref_kind_is_field(ref_kind) && !ref_kind_is_getter(ref_kind);
178 }
179 static bool ref_kind_is_method(int ref_kind) {
180 return !ref_kind_is_field(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial);
181 }
182 static bool ref_kind_has_receiver(int ref_kind) {
183 assert(ref_kind_is_valid(ref_kind), "");
184 return (ref_kind & 1) != 0;
185 }
186 static bool ref_kind_is_static(int ref_kind) {
187 return !ref_kind_has_receiver(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial);
188 }
189 static bool ref_kind_does_dispatch(int ref_kind) {
190 return (ref_kind == JVM_REF_invokeVirtual ||
191 ref_kind == JVM_REF_invokeInterface);
192 }
193
194 #include CPU_HEADER(methodHandles)
195
196 // Tracing
197 static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN;
198 static void trace_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid);
199 };
200
201 //------------------------------------------------------------------------------
202 // MethodHandlesAdapterGenerator
203 //
204 class MethodHandlesAdapterGenerator : public StubCodeGenerator {
205 public:
206 MethodHandlesAdapterGenerator(CodeBuffer* code) : StubCodeGenerator(code, PrintMethodHandleStubs) {}
207
208 void generate();
209 };
210
211 #endif // SHARE_VM_PRIMS_METHODHANDLES_HPP
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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 oop init_MemberName(Handle mname_h, Handle target_h, TRAPS); // compute vmtarget/vmindex from target
67 static oop init_field_MemberName(Handle mname_h, fieldDescriptor& fd, bool is_setter = false);
68 static oop init_method_MemberName(Handle mname_h, CallInfo& info);
69 static int method_ref_kind(Method* m, bool do_dispatch_if_possible = true);
70 static int find_MemberNames(Klass* k, Symbol* name, Symbol* sig,
71 int mflags, Klass* caller,
72 int skip, objArrayHandle results, TRAPS);
73 static Handle resolve_MemberName_type(Handle mname, Klass* caller, TRAPS);
74
75 // bit values for suppress argument to expand_MemberName:
76 enum { _suppress_defc = 1, _suppress_name = 2, _suppress_type = 4 };
77
78 // CallSite support
79 static void add_dependent_nmethod(oop call_site, nmethod* nm);
80 static void remove_dependent_nmethod(oop call_site, nmethod* nm);
81
82 static void flush_dependent_nmethods(Handle call_site, Handle target);
83
84 // Generate MethodHandles adapters.
85 static void generate_adapters();
86
87 // Called from MethodHandlesAdapterGenerator.
88 static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid);
89 static void generate_method_handle_dispatch(MacroAssembler* _masm,
90 vmIntrinsics::ID iid,
91 Register receiver_reg,
92 Register member_reg,
93 bool for_compiler_entry);
94
176 return (ref_kind <= JVM_REF_getStatic);
177 }
178 static bool ref_kind_is_setter(int ref_kind) {
179 return ref_kind_is_field(ref_kind) && !ref_kind_is_getter(ref_kind);
180 }
181 static bool ref_kind_is_method(int ref_kind) {
182 return !ref_kind_is_field(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial);
183 }
184 static bool ref_kind_has_receiver(int ref_kind) {
185 assert(ref_kind_is_valid(ref_kind), "");
186 return (ref_kind & 1) != 0;
187 }
188 static bool ref_kind_is_static(int ref_kind) {
189 return !ref_kind_has_receiver(ref_kind) && (ref_kind != JVM_REF_newInvokeSpecial);
190 }
191 static bool ref_kind_does_dispatch(int ref_kind) {
192 return (ref_kind == JVM_REF_invokeVirtual ||
193 ref_kind == JVM_REF_invokeInterface);
194 }
195
196 static int ref_kind_to_flags(int ref_kind);
197
198 #include CPU_HEADER(methodHandles)
199
200 // Tracing
201 static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN;
202 static void trace_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid);
203 };
204
205 //------------------------------------------------------------------------------
206 // MethodHandlesAdapterGenerator
207 //
208 class MethodHandlesAdapterGenerator : public StubCodeGenerator {
209 public:
210 MethodHandlesAdapterGenerator(CodeBuffer* code) : StubCodeGenerator(code, PrintMethodHandleStubs) {}
211
212 void generate();
213 };
214
215 #endif // SHARE_VM_PRIMS_METHODHANDLES_HPP
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