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src/hotspot/share/prims/methodHandles.hpp


61  public:                                                                                                                             
62   // working with member names                                                                                                       
63   static Handle resolve_MemberName(Handle mname, Klass* caller,                                                                      
64                                    bool speculative_resolve, 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 
95   // Queries                                                                                                                         
96   static bool is_signature_polymorphic(vmIntrinsics::ID iid) {                                                                       
97     return (iid >= vmIntrinsics::FIRST_MH_SIG_POLY &&                                                                                
98             iid <= vmIntrinsics::LAST_MH_SIG_POLY);                                                                                  
99   }                                                                                                                                  

61  public:
62   // working with member names
63   static Handle resolve_MemberName(Handle mname, Klass* caller,
64                                    bool speculative_resolve, 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   static void clean_dependency_context(oop call_site);
82 
83   static void flush_dependent_nmethods(Handle call_site, Handle target);
84 
85   // Generate MethodHandles adapters.
86   static void generate_adapters();
87 
88   // Called from MethodHandlesAdapterGenerator.
89   static address generate_method_handle_interpreter_entry(MacroAssembler* _masm, vmIntrinsics::ID iid);
90   static void generate_method_handle_dispatch(MacroAssembler* _masm,
91                                               vmIntrinsics::ID iid,
92                                               Register receiver_reg,
93                                               Register member_reg,
94                                               bool for_compiler_entry);
95 
96   // Queries
97   static bool is_signature_polymorphic(vmIntrinsics::ID iid) {
98     return (iid >= vmIntrinsics::FIRST_MH_SIG_POLY &&
99             iid <= vmIntrinsics::LAST_MH_SIG_POLY);
100   }
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