src/hotspot/cpu/aarch64/gc/shared/barrierSetNMethod_aarch64.cpp
author eosterlund
Tue, 16 Oct 2018 13:18:22 +0200
changeset 52142 ca0c25e01c5b
permissions -rw-r--r--
8210498: nmethod entry barriers Reviewed-by: kvn, pliden
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
52142
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     1
/*
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     2
 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     4
 *
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     7
 * published by the Free Software Foundation.
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     8
 *
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    13
 * accompanied this code).
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    14
 *
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    18
 *
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    21
 * questions.
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    22
 *
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    23
 */
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    24
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    25
#include "precompiled.hpp"
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    26
#include "gc/shared/barrierSetNMethod.hpp"
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    27
#include "utilities/debug.hpp"
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    28
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    29
void BarrierSetNMethod::deoptimize(nmethod* nm, address* return_address_ptr) {
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    30
  ShouldNotReachHere();
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    31
}
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    32
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    33
void BarrierSetNMethod::disarm(nmethod* nm) {
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    34
  ShouldNotReachHere();
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    35
}
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    36
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    37
bool BarrierSetNMethod::is_armed(nmethod* nm) {
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    38
  ShouldNotReachHere();
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    39
  return false;
ca0c25e01c5b 8210498: nmethod entry barriers
eosterlund
parents:
diff changeset
    40
}