1 /*
2 * Copyright (c) 2018, 2020, 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 *
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSet.hpp"
30 #include "gc/shared/barrierSetNMethod.hpp"
31 #include "memory/allocation.hpp"
32 #include "oops/access.hpp"
33
34 class BarrierSetAssembler: public CHeapObj<mtGC> {
35 private:
36 void incr_allocated_bytes(MacroAssembler* masm,
37 Register var_size_in_bytes, int con_size_in_bytes,
38 Register t1 = noreg);
39
40 public:
41 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
42 Register src, Register dst, Register count, RegSet saved_regs) {}
43 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
44 Register start, Register end, Register tmp, RegSet saved_regs) {}
45 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
46 Register dst, Address src, Register tmp1, Register tmp_thread);
47 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
48 Address dst, Register val, Register tmp1, Register tmp2);
49
50 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
51 Register obj, Register tmp, Label& slowpath);
52
53 virtual void tlab_allocate(MacroAssembler* masm,
54 Register obj, // result: pointer to object after successful allocation
55 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
56 int con_size_in_bytes, // object size in bytes if known at compile time
57 Register t1, // temp register
58 Register t2, // temp register
59 Label& slow_case // continuation point if fast allocation fails
60 );
61
62 void eden_allocate(MacroAssembler* masm,
63 Register obj, // result: pointer to object after successful allocation
64 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
65 int con_size_in_bytes, // object size in bytes if known at compile time
66 Register t1, // temp register
67 Label& slow_case // continuation point if fast allocation fails
68 );
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1 /*
2 * Copyright (c) 2018, 2021, 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 *
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSet.hpp"
30 #include "gc/shared/barrierSetNMethod.hpp"
31 #include "memory/allocation.hpp"
32 #include "oops/access.hpp"
33
34 class BarrierSetAssembler: public CHeapObj<mtGC> {
35 private:
36 void incr_allocated_bytes(MacroAssembler* masm,
37 Register var_size_in_bytes, int con_size_in_bytes,
38 Register t1 = noreg);
39
40 public:
41 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
42 Register src, Register dst, Register count, RegSet saved_regs) {}
43 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
44 Register start, Register end, Register tmp, RegSet saved_regs) {}
45 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
46 Register dst, Address src, Register tmp1, Register tmp_thread);
47 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
48 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3 = noreg);
49
50 virtual void value_copy(MacroAssembler* masm, DecoratorSet decorators,
51 Register src, Register dst, Register value_klass);
52
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 obj, // result: pointer to object after successful allocation
58 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
59 int con_size_in_bytes, // object size in bytes if known at compile time
60 Register t1, // temp register
61 Register t2, // temp register
62 Label& slow_case // continuation point if fast allocation fails
63 );
64
65 void eden_allocate(MacroAssembler* masm,
66 Register obj, // result: pointer to object after successful allocation
67 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
68 int con_size_in_bytes, // object size in bytes if known at compile time
69 Register t1, // temp register
70 Label& slow_case // continuation point if fast allocation fails
71 );
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