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comparison src/share/vm/oops/method.hpp @ 6934:4735d2c84362

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7200776: Implement default methods in interfaces Summary: Add generic type analysis and default method selection algorithms Reviewed-by: coleenp, acorn
author kamg
date Thu, 11 Oct 2012 12:25:42 -0400
parents 9191895df19d
children 18fb7da42534
comparison
equal deleted inserted replaced
6921:a1b8cf9cf970 6934:4735d2c84362
28 #include "classfile/vmSymbols.hpp" 28 #include "classfile/vmSymbols.hpp"
29 #include "code/compressedStream.hpp" 29 #include "code/compressedStream.hpp"
30 #include "compiler/oopMap.hpp" 30 #include "compiler/oopMap.hpp"
31 #include "interpreter/invocationCounter.hpp" 31 #include "interpreter/invocationCounter.hpp"
32 #include "oops/annotations.hpp" 32 #include "oops/annotations.hpp"
33 #include "oops/constMethod.hpp"
34 #include "oops/constantPool.hpp" 33 #include "oops/constantPool.hpp"
35 #include "oops/instanceKlass.hpp" 34 #include "oops/instanceKlass.hpp"
36 #include "oops/oop.hpp" 35 #include "oops/oop.hpp"
37 #include "oops/typeArrayOop.hpp" 36 #include "oops/typeArrayOop.hpp"
38 #include "utilities/accessFlags.hpp" 37 #include "utilities/accessFlags.hpp"
102 101
103 class CheckedExceptionElement; 102 class CheckedExceptionElement;
104 class LocalVariableTableElement; 103 class LocalVariableTableElement;
105 class AdapterHandlerEntry; 104 class AdapterHandlerEntry;
106 class MethodData; 105 class MethodData;
106 class ConstMethod;
107 107
108 class Method : public Metadata { 108 class Method : public Metadata {
109 friend class VMStructs; 109 friend class VMStructs;
110 private: 110 private:
111 ConstMethod* _constMethod; // Method read-only data. 111 ConstMethod* _constMethod; // Method read-only data.
156 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry 156 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry
157 157
158 // Constructor 158 // Constructor
159 Method(ConstMethod* xconst, AccessFlags access_flags, int size); 159 Method(ConstMethod* xconst, AccessFlags access_flags, int size);
160 public: 160 public:
161
161 static Method* allocate(ClassLoaderData* loader_data, 162 static Method* allocate(ClassLoaderData* loader_data,
162 int byte_code_size, 163 int byte_code_size,
163 AccessFlags access_flags, 164 AccessFlags access_flags,
164 int compressed_line_number_size, 165 int compressed_line_number_size,
165 int localvariable_table_length, 166 int localvariable_table_length,
166 int exception_table_length, 167 int exception_table_length,
167 int checked_exceptions_length, 168 int checked_exceptions_length,
168 TRAPS); 169 ConstMethod::MethodType method_type,
170 TRAPS);
169 171
170 Method() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } 172 Method() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
171 173
172 // The Method vtable is restored by this call when the Method is in the 174 // The Method vtable is restored by this call when the Method is in the
173 // shared archive. See patch_klass_vtables() in metaspaceShared.cpp for 175 // shared archive. See patch_klass_vtables() in metaspaceShared.cpp for
723 void set_force_inline(bool x) { _force_inline = x; } 725 void set_force_inline(bool x) { _force_inline = x; }
724 bool dont_inline() { return _dont_inline; } 726 bool dont_inline() { return _dont_inline; }
725 void set_dont_inline(bool x) { _dont_inline = x; } 727 void set_dont_inline(bool x) { _dont_inline = x; }
726 bool is_hidden() { return _hidden; } 728 bool is_hidden() { return _hidden; }
727 void set_hidden(bool x) { _hidden = x; } 729 void set_hidden(bool x) { _hidden = x; }
730 ConstMethod::MethodType method_type() const {
731 return _constMethod->method_type();
732 }
733 bool is_overpass() const { return method_type() == ConstMethod::OVERPASS; }
728 734
729 // On-stack replacement support 735 // On-stack replacement support
730 bool has_osr_nmethod(int level, bool match_level) { 736 bool has_osr_nmethod(int level, bool match_level) {
731 return InstanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL; 737 return InstanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL;
732 } 738 }