1 /*
2 * Copyright (c) 2019, 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 *
23 */
24
25 #ifndef SHARE_ASM_MACROASSEMBLER_COMMON_HPP
26 #define SHARE_ASM_MACROASSEMBLER_COMMON_HPP
27
28 // These are part of the MacroAssembler class that are common for all CPUs
29
30 // class MacroAssembler ... {
31
32 enum RegState {
33 reg_readonly,
34 reg_writable,
35 reg_written
36 };
37
38 void skip_unpacked_fields(const GrowableArray<SigEntry>* sig, int& sig_index, VMRegPair* regs_from,
39 int regs_from_count, int& from_index);
40 bool is_reg_in_unpacked_fields(const GrowableArray<SigEntry>* sig, int sig_index, VMReg to, VMRegPair* regs_from,
41 int regs_from_count, int from_index);
42 void mark_reg_writable(const VMRegPair* regs, int num_regs, int reg_index, RegState* reg_state);
43 RegState* init_reg_state(VMRegPair* regs, int num_regs, int sp_inc, int max_stack);
44 int unpack_inline_args(Compile* C, bool receiver_only);
45 void shuffle_inline_args(bool is_packing, bool receiver_only,
46 const GrowableArray<SigEntry>* sig,
47 int args_passed, int args_on_stack, VMRegPair* regs,
48 int args_passed_to, int args_on_stack_to, VMRegPair* regs_to,
49 int sp_inc, Register val_array);
50 bool shuffle_inline_args_spill(bool is_packing, const GrowableArray<SigEntry>* sig, int sig_index,
51 VMRegPair* regs_from, int from_index, int regs_from_count, RegState* reg_state);
52 // };
53
54 #endif // SHARE_ASM_MACROASSEMBLER_COMMON_HPP