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src/share/vm/oops/instanceKlass.hpp

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rev 8910 : full patch for jfr
   1 /*
   2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 816 
 817   // maintenance of deoptimization dependencies
 818   int mark_dependent_nmethods(DepChange& changes);
 819   void add_dependent_nmethod(nmethod* nm);
 820   void remove_dependent_nmethod(nmethod* nm, bool delete_immediately);
 821 
 822   // On-stack replacement support
 823   nmethod* osr_nmethods_head() const         { return _osr_nmethods_head; };
 824   void set_osr_nmethods_head(nmethod* h)     { _osr_nmethods_head = h; };
 825   void add_osr_nmethod(nmethod* n);
 826   void remove_osr_nmethod(nmethod* n);
 827   int mark_osr_nmethods(const Method* m);
 828   nmethod* lookup_osr_nmethod(const Method* m, int bci, int level, bool match_level) const;
 829 
 830   // Breakpoint support (see methods on Method* for details)
 831   BreakpointInfo* breakpoints() const       { return _breakpoints; };
 832   void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
 833 
 834   // support for stub routines
 835   static ByteSize init_state_offset()  { return in_ByteSize(offset_of(InstanceKlass, _init_state)); }
 836   TRACE_DEFINE_OFFSET;
 837   static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
 838 
 839   // subclass/subinterface checks
 840   bool implements_interface(Klass* k) const;
 841   bool is_same_or_direct_interface(Klass* k) const;
 842 
 843 #ifdef ASSERT
 844   // check whether this class or one of its superclasses was redefined
 845   bool has_redefined_this_or_super() const;
 846 #endif
 847 
 848   // Access to the implementor of an interface.
 849   Klass* implementor() const
 850   {
 851     Klass** k = adr_implementor();
 852     if (k == NULL) {
 853       return NULL;
 854     } else {
 855       return *k;
 856     }


   1 /*
   2  * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 816 
 817   // maintenance of deoptimization dependencies
 818   int mark_dependent_nmethods(DepChange& changes);
 819   void add_dependent_nmethod(nmethod* nm);
 820   void remove_dependent_nmethod(nmethod* nm, bool delete_immediately);
 821 
 822   // On-stack replacement support
 823   nmethod* osr_nmethods_head() const         { return _osr_nmethods_head; };
 824   void set_osr_nmethods_head(nmethod* h)     { _osr_nmethods_head = h; };
 825   void add_osr_nmethod(nmethod* n);
 826   void remove_osr_nmethod(nmethod* n);
 827   int mark_osr_nmethods(const Method* m);
 828   nmethod* lookup_osr_nmethod(const Method* m, int bci, int level, bool match_level) const;
 829 
 830   // Breakpoint support (see methods on Method* for details)
 831   BreakpointInfo* breakpoints() const       { return _breakpoints; };
 832   void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
 833 
 834   // support for stub routines
 835   static ByteSize init_state_offset()  { return in_ByteSize(offset_of(InstanceKlass, _init_state)); }
 836   TRACE_DEFINE_KLASS_TRACE_ID_OFFSET;
 837   static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
 838 
 839   // subclass/subinterface checks
 840   bool implements_interface(Klass* k) const;
 841   bool is_same_or_direct_interface(Klass* k) const;
 842 
 843 #ifdef ASSERT
 844   // check whether this class or one of its superclasses was redefined
 845   bool has_redefined_this_or_super() const;
 846 #endif
 847 
 848   // Access to the implementor of an interface.
 849   Klass* implementor() const
 850   {
 851     Klass** k = adr_implementor();
 852     if (k == NULL) {
 853       return NULL;
 854     } else {
 855       return *k;
 856     }


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