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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openjdk-multiarch-jdk8u
 Path: blob/aarch64-shenandoah-jdk8u272-b10/hotspot/src/cpu/aarch64/vm/c1_FrameMap_aarch64.hpp
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/*

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 * Copyright (c) 2013, Red Hat Inc.

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 * Copyright (c) 1999, 2012, Oracle and/or its affiliates.

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 * All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 *

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 */

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#ifndef CPU_AARCH64_VM_C1_FRAMEMAP_AARCH64_HPP

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#define CPU_AARCH64_VM_C1_FRAMEMAP_AARCH64_HPP

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//  On AArch64 the frame looks as follows:

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//

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//  +-----------------------------+---------+----------------------------------------+----------------+-----------

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//  | size_arguments-nof_reg_args | 2 words | size_locals-size_arguments+numreg_args | _size_monitors | spilling .

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//  +-----------------------------+---------+----------------------------------------+----------------+-----------

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 public:

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  static const int pd_c_runtime_reserved_arg_size;

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  enum {

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    first_available_sp_in_frame = 0,

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    frame_pad_in_bytes = 16,

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    nof_reg_args = 8

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  };

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 public:

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  static LIR_Opr receiver_opr;

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  static LIR_Opr r0_opr;

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  static LIR_Opr r1_opr;

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  static LIR_Opr r2_opr;

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  static LIR_Opr r3_opr;

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  static LIR_Opr r4_opr;

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  static LIR_Opr r5_opr;

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  static LIR_Opr r6_opr;

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  static LIR_Opr r7_opr;

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  static LIR_Opr r8_opr;

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  static LIR_Opr r9_opr;

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  static LIR_Opr r10_opr;

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  static LIR_Opr r11_opr;

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  static LIR_Opr r12_opr;

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  static LIR_Opr r13_opr;

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  static LIR_Opr r14_opr;

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  static LIR_Opr r15_opr;

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  static LIR_Opr r16_opr;

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  static LIR_Opr r17_opr;

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  static LIR_Opr r18_opr;

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  static LIR_Opr r19_opr;

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  static LIR_Opr r20_opr;

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  static LIR_Opr r21_opr;

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  static LIR_Opr r22_opr;

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  static LIR_Opr r23_opr;

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  static LIR_Opr r24_opr;

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  static LIR_Opr r25_opr;

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  static LIR_Opr r26_opr;

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  static LIR_Opr r27_opr;

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  static LIR_Opr r28_opr;

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  static LIR_Opr r29_opr;

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  static LIR_Opr r30_opr;

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  static LIR_Opr rfp_opr;

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  static LIR_Opr sp_opr;

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  static LIR_Opr r0_oop_opr;

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  static LIR_Opr r1_oop_opr;

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  static LIR_Opr r2_oop_opr;

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  static LIR_Opr r3_oop_opr;

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  static LIR_Opr r4_oop_opr;

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  static LIR_Opr r5_oop_opr;

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  static LIR_Opr r6_oop_opr;

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  static LIR_Opr r7_oop_opr;

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  static LIR_Opr r8_oop_opr;

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  static LIR_Opr r9_oop_opr;

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  static LIR_Opr r10_oop_opr;

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  static LIR_Opr r11_oop_opr;

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  static LIR_Opr r12_oop_opr;

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  static LIR_Opr r13_oop_opr;

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  static LIR_Opr r14_oop_opr;

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  static LIR_Opr r15_oop_opr;

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  static LIR_Opr r16_oop_opr;

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  static LIR_Opr r17_oop_opr;

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  static LIR_Opr r18_oop_opr;

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  static LIR_Opr r19_oop_opr;

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  static LIR_Opr r20_oop_opr;

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  static LIR_Opr r21_oop_opr;

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  static LIR_Opr r22_oop_opr;

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  static LIR_Opr r23_oop_opr;

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  static LIR_Opr r24_oop_opr;

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  static LIR_Opr r25_oop_opr;

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  static LIR_Opr r26_oop_opr;

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  static LIR_Opr r27_oop_opr;

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  static LIR_Opr r28_oop_opr;

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  static LIR_Opr r29_oop_opr;

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  static LIR_Opr r30_oop_opr;

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  static LIR_Opr rscratch1_opr;

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  static LIR_Opr rscratch2_opr;

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  static LIR_Opr rscratch1_long_opr;

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  static LIR_Opr rscratch2_long_opr;

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  static LIR_Opr r0_metadata_opr;

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  static LIR_Opr r1_metadata_opr;

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  static LIR_Opr r2_metadata_opr;

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  static LIR_Opr r3_metadata_opr;

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  static LIR_Opr r4_metadata_opr;

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  static LIR_Opr r5_metadata_opr;

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  static LIR_Opr long0_opr;

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  static LIR_Opr long1_opr;

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  static LIR_Opr fpu0_float_opr;

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  static LIR_Opr fpu0_double_opr;

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  static LIR_Opr as_long_opr(Register r) {

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    return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r));

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  }

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  static LIR_Opr as_pointer_opr(Register r) {

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    return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r));

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  }

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  // VMReg name for spilled physical FPU stack slot n

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  static VMReg fpu_regname (int n);

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  static bool is_caller_save_register (LIR_Opr opr) { return true; }

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  static bool is_caller_save_register (Register r) { return true; }

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  static int nof_caller_save_cpu_regs() { return pd_nof_caller_save_cpu_regs_frame_map; }

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  static int last_cpu_reg()             { return pd_last_cpu_reg;  }

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  static int last_byte_reg()            { return pd_last_byte_reg; }

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#endif // CPU_AARCH64_VM_C1_FRAMEMAP_AARCH64_HPP

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