/*
* Copyright (c) 2012, 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 com.sun.max.vm.ext.jvmti;
import com.sun.max.unsafe.*;
/**
* Names and offsets to the C struct (jvmtiEnv) used on the native side of the implementation.
* Must match the definition in jvmti.c
*/
enum JVMTIEnvNativeStruct {
FUNCTIONS(0),
CALLBACKS(8),
CAPABILITIES(16); // the capabilities that are active for this environment
int offset;
JVMTIEnvNativeStruct(int offset) {
this.offset = offset;
}
/**
* Return the value of the field at our offset from {@code base}.
*/
Word get(Pointer base) {
return base.readWord(offset);
}
Pointer getPtr(Pointer base) {
return base.readWord(offset).asPointer();
}
void set(Pointer base, Word value) {
base.writeWord(offset, value);
}
}