1 /*
 2  * Copyright (c) 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
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23 
24 #ifndef CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP
25 #define CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP
26 
27 #include "asm/macroAssembler.hpp"
28 #include "utilities/growableArray.hpp"
29 
30 class outputStream;
31 
32 constexpr size_t xmm_reg_size = 16; // size of XMM reg
33 
34 struct ABIDescriptor {
35   GrowableArray<Register> _integer_argument_registers;
36   GrowableArray<Register> _integer_return_registers;
37   GrowableArray<XMMRegister> _vector_argument_registers;
38   GrowableArray<XMMRegister> _vector_return_registers;
39   size_t _X87_return_registers_noof;
40 
41   GrowableArray<Register> _integer_additional_volatile_registers;
42   GrowableArray<XMMRegister> _vector_additional_volatile_registers;
43 
44   int32_t _stack_alignment_bytes;
45   int32_t _shadow_space_bytes;
46 
47   Register _target_addr_reg;
48   Register _ret_buf_addr_reg;
49 
50   bool is_volatile_reg(Register reg) const;
51   bool is_volatile_reg(XMMRegister reg) const;
52 };
53 
54 #endif // CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP