src/hotspot/cpu/arm/registerMap_arm.hpp
author zgu
Thu, 07 Nov 2019 09:41:22 -0500
changeset 58964 029d941c2e35
parent 53244 9807daeb47c4
permissions -rw-r--r--
8233796: Shenandoah is broken after 8233708 Reviewed-by: rkennke
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
42664
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     1
/*
53244
9807daeb47c4 8216167: Update include guards to reflect correct directories
coleenp
parents: 47216
diff changeset
     2
 * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
42664
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     4
 *
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     7
 * published by the Free Software Foundation.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     8
 *
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    13
 * accompanied this code).
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    14
 *
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    18
 *
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    21
 * questions.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    22
 *
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    23
 */
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    24
53244
9807daeb47c4 8216167: Update include guards to reflect correct directories
coleenp
parents: 47216
diff changeset
    25
#ifndef CPU_ARM_REGISTERMAP_ARM_HPP
9807daeb47c4 8216167: Update include guards to reflect correct directories
coleenp
parents: 47216
diff changeset
    26
#define CPU_ARM_REGISTERMAP_ARM_HPP
42664
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    27
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    28
// machine-dependent implemention for register maps
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    29
  friend class frame;
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    30
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    31
 private:
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    32
  // This is the hook for finding a register in an "well-known" location,
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    33
  // such as a register block of a predetermined format.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    34
  // Since there is none, we just return NULL.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    35
  // See registerMap_sparc.hpp for an example of grabbing registers
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    36
  // from register save areas of a standard layout.
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    37
   address pd_location(VMReg reg) const {return NULL;}
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    38
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    39
  // no PD state to clear or copy:
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    40
  void pd_clear() {}
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    41
  void pd_initialize() {}
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    42
  void pd_initialize_from(const RegisterMap* map) {}
29142a56c193 8168503: JEP 297: Unified arm32/arm64 Port
bobv
parents:
diff changeset
    43
53244
9807daeb47c4 8216167: Update include guards to reflect correct directories
coleenp
parents: 47216
diff changeset
    44
#endif // CPU_ARM_REGISTERMAP_ARM_HPP