//
// Copyright (C) 2010 Wayne Meissner
// Copyright (c) 2008-2009, Petr Kobalicek <kobalicek.petr@gmail.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
package jnr.x86asm;
/**
*
*/
public final class
Immediate extends
Operand {
private final long
value;
private final boolean
isUnsigned;
private final
RELOC_MODE relocMode;
public
Immediate(long
value, boolean
isUnsigned) {
super(
OP.
OP_IMM, 0);
this.
value =
value;
this.
isUnsigned =
isUnsigned;
this.
relocMode =
RELOC_MODE.
RELOC_NONE;
}
public long
value() {
return
value;
}
public final byte
byteValue() {
return (byte)
value;
}
public final short
shortValue() {
return (short)
value;
}
public final int
intValue() {
return (int)
value;
}
public final long
longValue() {
return
value;
}
/** Return true if immediate is unsigned value. */
public final boolean
isUnsigned() {
return
isUnsigned;
}
/** Return relocation mode. */
RELOC_MODE relocMode() {
return
relocMode;
}
/**
* Internal cache of common native long values
*/
private static final class
Cache {
private
Cache() {}
static final
Immediate[]
cache = new
Immediate[256];
static {
for (int
i = 0;
i <
cache.length; ++
i) {
cache[
i] = new
Immediate(
i - 128, false);
}
}
}
public static final
Immediate imm(long
value) {
return
value >= -128 &&
value <= 127
?
Cache.
cache[128 + (int)
value] : new
Immediate(
value, false);
}
public static final
Immediate uimm(long
value) {
return new
Immediate(
value, true);
}
}