65 ConstMethod* _constMethod; // Method read-only data.
66 MethodData* _method_data;
67 MethodCounters* _method_counters;
68 AccessFlags _access_flags; // Access flags
69 int _vtable_index; // vtable index of this method (see VtableIndexFlag)
70 // note: can have vtables with >2**16 elements (because of inheritance)
71 #ifdef CC_INTERP
72 int _result_index; // C++ interpreter needs for converting results to/from stack
73 #endif
74 u2 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none)
75
76 // Flags
77 enum Flags {
78 _jfr_towrite = 1 << 0,
79 _caller_sensitive = 1 << 1,
80 _force_inline = 1 << 2,
81 _dont_inline = 1 << 3,
82 _hidden = 1 << 4,
83 _has_injected_profile = 1 << 5,
84 _running_emcp = 1 << 6,
85 _intrinsic_candidate = 1 << 7
86 };
87 u1 _flags;
88
89 #ifndef PRODUCT
90 int _compiled_invocation_count; // Number of nmethod invocations so far (for perf. debugging)
91 #endif
92 // Entry point for calling both from and to the interpreter.
93 address _i2i_entry; // All-args-on-stack calling convention
94 // Adapter blob (i2c/c2i) for this Method*. Set once when method is linked.
95 AdapterHandlerEntry* _adapter;
96 // Entry point for calling from compiled code, to compiled code if it exists
97 // or else the interpreter.
98 volatile address _from_compiled_entry; // Cache of: _code ? _code->entry_point() : _adapter->c2i_entry()
99 // The entry point for calling both from and to compiled code is
100 // "_code->entry_point()". Because of tiered compilation and de-opt, this
101 // field can come and go. It can transition from NULL to not-null at any
102 // time (whenever a compile completes). It can transition from not-null to
103 // NULL only at safepoints (because of a de-opt).
104 nmethod* volatile _code; // Points to the corresponding piece of native code
105 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry
106
107 // Constructor
812 return (_flags & _hidden) != 0;
813 }
814 void set_hidden(bool x) {
815 _flags = x ? (_flags | _hidden) : (_flags & ~_hidden);
816 }
817
818 bool intrinsic_candidate() {
819 return (_flags & _intrinsic_candidate) != 0;
820 }
821 void set_intrinsic_candidate(bool x) {
822 _flags = x ? (_flags | _intrinsic_candidate) : (_flags & ~_intrinsic_candidate);
823 }
824
825 bool has_injected_profile() {
826 return (_flags & _has_injected_profile) != 0;
827 }
828 void set_has_injected_profile(bool x) {
829 _flags = x ? (_flags | _has_injected_profile) : (_flags & ~_has_injected_profile);
830 }
831
832 ConstMethod::MethodType method_type() const {
833 return _constMethod->method_type();
834 }
835 bool is_overpass() const { return method_type() == ConstMethod::OVERPASS; }
836
837 // On-stack replacement support
838 bool has_osr_nmethod(int level, bool match_level) {
839 return method_holder()->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL;
840 }
841
842 int mark_osr_nmethods() {
843 return method_holder()->mark_osr_nmethods(this);
844 }
845
846 nmethod* lookup_osr_nmethod_for(int bci, int level, bool match_level) {
847 return method_holder()->lookup_osr_nmethod(this, bci, level, match_level);
848 }
849
850 // Inline cache support
851 void cleanup_inline_caches();
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65 ConstMethod* _constMethod; // Method read-only data.
66 MethodData* _method_data;
67 MethodCounters* _method_counters;
68 AccessFlags _access_flags; // Access flags
69 int _vtable_index; // vtable index of this method (see VtableIndexFlag)
70 // note: can have vtables with >2**16 elements (because of inheritance)
71 #ifdef CC_INTERP
72 int _result_index; // C++ interpreter needs for converting results to/from stack
73 #endif
74 u2 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none)
75
76 // Flags
77 enum Flags {
78 _jfr_towrite = 1 << 0,
79 _caller_sensitive = 1 << 1,
80 _force_inline = 1 << 2,
81 _dont_inline = 1 << 3,
82 _hidden = 1 << 4,
83 _has_injected_profile = 1 << 5,
84 _running_emcp = 1 << 6,
85 _intrinsic_candidate = 1 << 7,
86 _reserved_stack_access = 1 << 8
87 };
88 u2 _flags;
89
90 #ifndef PRODUCT
91 int _compiled_invocation_count; // Number of nmethod invocations so far (for perf. debugging)
92 #endif
93 // Entry point for calling both from and to the interpreter.
94 address _i2i_entry; // All-args-on-stack calling convention
95 // Adapter blob (i2c/c2i) for this Method*. Set once when method is linked.
96 AdapterHandlerEntry* _adapter;
97 // Entry point for calling from compiled code, to compiled code if it exists
98 // or else the interpreter.
99 volatile address _from_compiled_entry; // Cache of: _code ? _code->entry_point() : _adapter->c2i_entry()
100 // The entry point for calling both from and to compiled code is
101 // "_code->entry_point()". Because of tiered compilation and de-opt, this
102 // field can come and go. It can transition from NULL to not-null at any
103 // time (whenever a compile completes). It can transition from not-null to
104 // NULL only at safepoints (because of a de-opt).
105 nmethod* volatile _code; // Points to the corresponding piece of native code
106 volatile address _from_interpreted_entry; // Cache of _code ? _adapter->i2c_entry() : _i2i_entry
107
108 // Constructor
813 return (_flags & _hidden) != 0;
814 }
815 void set_hidden(bool x) {
816 _flags = x ? (_flags | _hidden) : (_flags & ~_hidden);
817 }
818
819 bool intrinsic_candidate() {
820 return (_flags & _intrinsic_candidate) != 0;
821 }
822 void set_intrinsic_candidate(bool x) {
823 _flags = x ? (_flags | _intrinsic_candidate) : (_flags & ~_intrinsic_candidate);
824 }
825
826 bool has_injected_profile() {
827 return (_flags & _has_injected_profile) != 0;
828 }
829 void set_has_injected_profile(bool x) {
830 _flags = x ? (_flags | _has_injected_profile) : (_flags & ~_has_injected_profile);
831 }
832
833 bool has_reserved_stack_access() {
834 return (_flags & _reserved_stack_access) != 0;
835 }
836
837 void set_has_reserved_stack_access(bool x) {
838 _flags = x ? (_flags | _reserved_stack_access) : (_flags & ~_reserved_stack_access);
839 }
840
841 ConstMethod::MethodType method_type() const {
842 return _constMethod->method_type();
843 }
844 bool is_overpass() const { return method_type() == ConstMethod::OVERPASS; }
845
846 // On-stack replacement support
847 bool has_osr_nmethod(int level, bool match_level) {
848 return method_holder()->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL;
849 }
850
851 int mark_osr_nmethods() {
852 return method_holder()->mark_osr_nmethods(this);
853 }
854
855 nmethod* lookup_osr_nmethod_for(int bci, int level, bool match_level) {
856 return method_holder()->lookup_osr_nmethod(this, bci, level, match_level);
857 }
858
859 // Inline cache support
860 void cleanup_inline_caches();
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