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

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 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   // Support for jniFastGetField to try resolving a jobject/jweak in native
53   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
54                                              Register obj, Register tmp, Label& slowpath);
55 
56   virtual void tlab_allocate(MacroAssembler* masm,
57                              Register thread, Register obj,
58                              Register var_size_in_bytes,
59                              int con_size_in_bytes,
60                              Register t1, Register t2,
61                              Label& slow_case);
62   virtual void eden_allocate(MacroAssembler* masm,
63                              Register thread, Register obj,
64                              Register var_size_in_bytes,
65                              int con_size_in_bytes,
66                              Register t1,
67                              Label& slow_case);
68 
69   virtual void barrier_stubs_init() {}
70 

 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   virtual void value_copy(MacroAssembler* masm, DecoratorSet decorators,
53                           Register src, Register dst, Register value_klass);
54 
55   // Support for jniFastGetField to try resolving a jobject/jweak in native
56   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
57                                              Register obj, Register tmp, Label& slowpath);
58 
59   virtual void tlab_allocate(MacroAssembler* masm,
60                              Register thread, Register obj,
61                              Register var_size_in_bytes,
62                              int con_size_in_bytes,
63                              Register t1, Register t2,
64                              Label& slow_case);
65   virtual void eden_allocate(MacroAssembler* masm,
66                              Register thread, Register obj,
67                              Register var_size_in_bytes,
68                              int con_size_in_bytes,
69                              Register t1,
70                              Label& slow_case);
71 
72   virtual void barrier_stubs_init() {}
73 
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