< prev index next >

src/hotspot/cpu/x86/gc/shared/barrierSetAssembler_x86.hpp

Print this page


   1 /*
   2  * Copyright (c) 2018, 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  *


  30 #include "oops/access.hpp"
  31 
  32 class InterpreterMacroAssembler;
  33 
  34 class BarrierSetAssembler: public CHeapObj<mtGC> {
  35 private:
  36   void incr_allocated_bytes(MacroAssembler* masm, Register thread,
  37                             Register var_size_in_bytes,
  38                             int con_size_in_bytes,
  39                             Register t1);
  40 
  41 public:
  42   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  43                                   Register src, Register dst, Register count) {}
  44   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  45                                   Register src, Register dst, Register count) {}
  46 
  47   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  48                        Register dst, Address src, Register tmp1, Register tmp_thread);
  49   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  50                         Address dst, Register val, Register tmp1, Register tmp2);
  51 
  52 #ifndef _LP64
  53   virtual void obj_equals(MacroAssembler* masm,
  54                           Address obj1, jobject obj2);
  55   virtual void obj_equals(MacroAssembler* masm,
  56                           Register obj1, jobject obj2);
  57 #endif
  58 
  59   virtual void obj_equals(MacroAssembler* masm,
  60                           Register obj1, Register obj2);
  61   virtual void obj_equals(MacroAssembler* masm,
  62                           Register obj1, Address obj2);
  63 
  64   virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj) {
  65     // Default implementation does not need to do anything.
  66   }
  67 
  68   // Support for jniFastGetField to try resolving a jobject/jweak in native
  69   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
  70                                              Register obj, Register tmp, Label& slowpath);


   1 /*
   2  * Copyright (c) 2018, 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  *


  30 #include "oops/access.hpp"
  31 
  32 class InterpreterMacroAssembler;
  33 
  34 class BarrierSetAssembler: public CHeapObj<mtGC> {
  35 private:
  36   void incr_allocated_bytes(MacroAssembler* masm, Register thread,
  37                             Register var_size_in_bytes,
  38                             int con_size_in_bytes,
  39                             Register t1);
  40 
  41 public:
  42   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  43                                   Register src, Register dst, Register count) {}
  44   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  45                                   Register src, Register dst, Register count) {}
  46 
  47   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  48                        Register dst, Address src, Register tmp1, Register tmp_thread);
  49   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  50                         Address dst, Register val, Register tmp1, Register tmp2, Register tmp3 = noreg);
  51 
  52 #ifndef _LP64
  53   virtual void obj_equals(MacroAssembler* masm,
  54                           Address obj1, jobject obj2);
  55   virtual void obj_equals(MacroAssembler* masm,
  56                           Register obj1, jobject obj2);
  57 #endif
  58 
  59   virtual void obj_equals(MacroAssembler* masm,
  60                           Register obj1, Register obj2);
  61   virtual void obj_equals(MacroAssembler* masm,
  62                           Register obj1, Address obj2);
  63 
  64   virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj) {
  65     // Default implementation does not need to do anything.
  66   }
  67 
  68   // Support for jniFastGetField to try resolving a jobject/jweak in native
  69   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
  70                                              Register obj, Register tmp, Label& slowpath);


< prev index next >