/*
* @(#)CVMTypeCode.java 1.11 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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 program 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 at /legal/license.txt).
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
/*
* CVM has a complex scheme for representing types as 16-bit
* cookies. This code mimics the run-time code and thus builds the
* corresponding data structures, to be ROMed.
*/
package vm;
public interface CVMTypeCode {
public static final int CVM_T_ERROR = 0;
public static final int CVM_T_ENDFUNC = 1;
public static final int CVM_T_VOID = 2;
public static final int CVM_T_INT = 3;
public static final int CVM_T_SHORT = 4;
public static final int CVM_T_CHAR = 5;
public static final int CVM_T_LONG = 6;
public static final int CVM_T_BYTE = 7;
public static final int CVM_T_FLOAT = 8;
public static final int CVM_T_DOUBLE = 9;
public static final int CVM_T_BOOLEAN = 10;
public static final int CVM_T_OBJ = 11;
public static final int CVMtypeLastScalar = CVM_T_BOOLEAN;
// parameters of the encoding
public static final int CVMtypeArrayShift = 14;
static final int CVMtypeCookieSize = 16;
// the below values are all derived from the above as follows:
// CVMtypeBasetypeMask = ((1<<CVMtypeArrayShift) - 1)
// CVMtypeArrayMask = ((1<<(CVMtypeCookieSize-CVMtypeArrayShift)) - 1)
// <<CVMtypeArrayShift
// CVMtypeBigArray = CVMtypeArrayMask
// CVMtypeMaxSmallArray = (CVMtypeBigArray>>CVMtypeArrayShift) - 1
public static final int CVMtypeArrayMask = 0xc000;
public static final int CVMtypeBasetypeMask = 0x3fff;
public static final int CVMtypeBigArray = 0xc000;
public static final int CVMtypeMaxSmallArray= 2;
}