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 *
31 #ifdef COMPILER2
32 #include "opto/optoreg.hpp"
33
34 class BarrierStubC2;
35 class Node;
36 #endif // COMPILER2
37 class InterpreterMacroAssembler;
38
39 class BarrierSetAssembler: public CHeapObj<mtGC> {
40 public:
41 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
42 Register src, Register dst, Register count) {}
43 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
44 Register src, Register dst, Register count) {}
45
46 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
47 Register dst, Address src, Register tmp1, Register tmp_thread);
48 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
49 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
50
51 // The copy_[load/store]_at functions are used by arraycopy stubs. Be careful to only use
52 // r10 (aka rscratch1) in a context where restore_arg_regs_using_thread has been used instead
53 // of the looser setup_arg_regs. Currently this is done when using type T_OBJECT.
54 virtual void copy_load_at(MacroAssembler* masm,
55 DecoratorSet decorators,
56 BasicType type,
57 size_t bytes,
58 Register dst,
59 Address src,
60 Register tmp);
61
62 virtual void copy_store_at(MacroAssembler* masm,
63 DecoratorSet decorators,
64 BasicType type,
65 size_t bytes,
66 Address dst,
67 Register src,
68 Register tmp);
69
70 virtual void copy_load_at(MacroAssembler* masm,
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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 *
31 #ifdef COMPILER2
32 #include "opto/optoreg.hpp"
33
34 class BarrierStubC2;
35 class Node;
36 #endif // COMPILER2
37 class InterpreterMacroAssembler;
38
39 class BarrierSetAssembler: public CHeapObj<mtGC> {
40 public:
41 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
42 Register src, Register dst, Register count) {}
43 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
44 Register src, Register dst, Register count) {}
45
46 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
47 Register dst, Address src, Register tmp1, Register tmp_thread);
48 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
49 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
50
51 virtual void value_copy(MacroAssembler* masm, DecoratorSet decorators,
52 Register src, Register dst, Register value_klass);
53 virtual void flat_field_copy(MacroAssembler* masm, DecoratorSet decorators,
54 Register src, Register dst, Register inline_layout_info);
55
56 // The copy_[load/store]_at functions are used by arraycopy stubs. Be careful to only use
57 // r10 (aka rscratch1) in a context where restore_arg_regs_using_thread has been used instead
58 // of the looser setup_arg_regs. Currently this is done when using type T_OBJECT.
59 virtual void copy_load_at(MacroAssembler* masm,
60 DecoratorSet decorators,
61 BasicType type,
62 size_t bytes,
63 Register dst,
64 Address src,
65 Register tmp);
66
67 virtual void copy_store_at(MacroAssembler* masm,
68 DecoratorSet decorators,
69 BasicType type,
70 size_t bytes,
71 Address dst,
72 Register src,
73 Register tmp);
74
75 virtual void copy_load_at(MacroAssembler* masm,
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