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MarkId.java
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MarkId.java
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/*
* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.tools.jaotc;
import java.util.HashMap;
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
/**
* Constants used to mark special positions in code being installed into the code cache by Graal C++
* code.
*/
enum MarkId {
VERIFIED_ENTRY("CodeInstaller::VERIFIED_ENTRY"),
UNVERIFIED_ENTRY("CodeInstaller::UNVERIFIED_ENTRY"),
OSR_ENTRY("CodeInstaller::OSR_ENTRY"),
EXCEPTION_HANDLER_ENTRY("CodeInstaller::EXCEPTION_HANDLER_ENTRY"),
DEOPT_HANDLER_ENTRY("CodeInstaller::DEOPT_HANDLER_ENTRY"),
INVOKEINTERFACE("CodeInstaller::INVOKEINTERFACE"),
INVOKEVIRTUAL("CodeInstaller::INVOKEVIRTUAL"),
INVOKESTATIC("CodeInstaller::INVOKESTATIC"),
INVOKESPECIAL("CodeInstaller::INVOKESPECIAL"),
INLINE_INVOKE("CodeInstaller::INLINE_INVOKE"),
POLL_NEAR("CodeInstaller::POLL_NEAR"),
POLL_RETURN_NEAR("CodeInstaller::POLL_RETURN_NEAR"),
POLL_FAR("CodeInstaller::POLL_FAR"),
POLL_RETURN_FAR("CodeInstaller::POLL_RETURN_FAR"),
CARD_TABLE_ADDRESS("CodeInstaller::CARD_TABLE_ADDRESS"),
HEAP_TOP_ADDRESS("CodeInstaller::HEAP_TOP_ADDRESS"),
HEAP_END_ADDRESS("CodeInstaller::HEAP_END_ADDRESS"),
NARROW_KLASS_BASE_ADDRESS("CodeInstaller::NARROW_KLASS_BASE_ADDRESS"),
NARROW_OOP_BASE_ADDRESS("CodeInstaller::NARROW_OOP_BASE_ADDRESS"),
CRC_TABLE_ADDRESS("CodeInstaller::CRC_TABLE_ADDRESS"),
LOG_OF_HEAP_REGION_GRAIN_BYTES("CodeInstaller::LOG_OF_HEAP_REGION_GRAIN_BYTES"),
INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED("CodeInstaller::INLINE_CONTIGUOUS_ALLOCATION_SUPPORTED");
private final int value;
private static HashMap<Integer, MarkId> lookup = new HashMap<>();
static {
for (MarkId e : values()) {
lookup.put(e.value, e);
}
}
MarkId(String name) {
this.value = (int) (long) HotSpotJVMCIRuntime.runtime().getConfigStore().getConstants().get(name);
}
static MarkId getEnum(int value) {
MarkId e = lookup.get(value);
if (e == null) {
throw new InternalError("Unknown enum value: " + value);
}
return e;
}
}