-
ByteCodes
-
illegal: int
-
nop: int
-
aconst_null: int
-
iconst_m1: int
-
iconst_0: int
-
iconst_1: int
-
iconst_2: int
-
iconst_3: int
-
iconst_4: int
-
iconst_5: int
-
lconst_0: int
-
lconst_1: int
-
fconst_0: int
-
fconst_1: int
-
fconst_2: int
-
dconst_0: int
-
dconst_1: int
-
bipush: int
-
sipush: int
-
ldc1: int
-
ldc2: int
-
ldc2w: int
-
iload: int
-
lload: int
-
fload: int
-
dload: int
-
aload: int
-
iload_0: int
-
iload_1: int
-
iload_2: int
-
iload_3: int
-
lload_0: int
-
lload_1: int
-
lload_2: int
-
lload_3: int
-
fload_0: int
-
fload_1: int
-
fload_2: int
-
fload_3: int
-
dload_0: int
-
dload_1: int
-
dload_2: int
-
dload_3: int
-
aload_0: int
-
aload_1: int
-
aload_2: int
-
aload_3: int
-
iaload: int
-
laload: int
-
faload: int
-
daload: int
-
aaload: int
-
baload: int
-
caload: int
-
saload: int
-
istore: int
-
lstore: int
-
fstore: int
-
dstore: int
-
astore: int
-
istore_0: int
-
istore_1: int
-
istore_2: int
-
istore_3: int
-
lstore_0: int
-
lstore_1: int
-
lstore_2: int
-
lstore_3: int
-
fstore_0: int
-
fstore_1: int
-
fstore_2: int
-
fstore_3: int
-
dstore_0: int
-
dstore_1: int
-
dstore_2: int
-
dstore_3: int
-
astore_0: int
-
astore_1: int
-
astore_2: int
-
astore_3: int
-
iastore: int
-
lastore: int
-
fastore: int
-
dastore: int
-
aastore: int
-
bastore: int
-
castore: int
-
sastore: int
-
pop: int
-
pop2: int
-
dup: int
-
dup_x1: int
-
dup_x2: int
-
dup2: int
-
dup2_x1: int
-
dup2_x2: int
-
swap: int
-
iadd: int
-
ladd: int
-
fadd: int
-
dadd: int
-
isub: int
-
lsub: int
-
fsub: int
-
dsub: int
-
imul: int
-
lmul: int
-
fmul: int
-
dmul: int
-
idiv: int
-
ldiv: int
-
fdiv: int
-
ddiv: int
-
imod: int
-
lmod: int
-
fmod: int
-
dmod: int
-
ineg: int
-
lneg: int
-
fneg: int
-
dneg: int
-
ishl: int
-
lshl: int
-
ishr: int
-
lshr: int
-
iushr: int
-
lushr: int
-
iand: int
-
land: int
-
ior: int
-
lor: int
-
ixor: int
-
lxor: int
-
iinc: int
-
i2l: int
-
i2f: int
-
i2d: int
-
l2i: int
-
l2f: int
-
l2d: int
-
f2i: int
-
f2l: int
-
f2d: int
-
d2i: int
-
d2l: int
-
d2f: int
-
int2byte: int
-
int2char: int
-
int2short: int
-
lcmp: int
-
fcmpl: int
-
fcmpg: int
-
dcmpl: int
-
dcmpg: int
-
ifeq: int
-
ifne: int
-
iflt: int
-
ifge: int
-
ifgt: int
-
ifle: int
-
if_icmpeq: int
-
if_icmpne: int
-
if_icmplt: int
-
if_icmpge: int
-
if_icmpgt: int
-
if_icmple: int
-
if_acmpeq: int
-
if_acmpne: int
-
goto_: int
-
jsr: int
-
ret: int
-
tableswitch: int
-
lookupswitch: int
-
ireturn: int
-
lreturn: int
-
freturn: int
-
dreturn: int
-
areturn: int
-
return_: int
-
getstatic: int
-
putstatic: int
-
getfield: int
-
putfield: int
-
invokevirtual: int
-
invokespecial: int
-
invokestatic: int
-
invokeinterface: int
-
invokedynamic: int
-
new_: int
-
newarray: int
-
anewarray: int
-
arraylength: int
-
athrow: int
-
checkcast: int
-
instanceof_: int
-
monitorenter: int
-
monitorexit: int
-
wide: int
-
multianewarray: int
-
if_acmp_null: int
-
if_acmp_nonnull: int
-
goto_w: int
-
jsr_w: int
-
breakpoint: int
-
ByteCodeCount: int
-
string_add: int
-
bool_not: int
-
bool_and: int
-
bool_or: int
-
ishll: int
-
lshll: int
-
ishrl: int
-
lshrl: int
-
iushrl: int
-
lushrl: int
-
nullchk: int
-
error: int
-
dontgoto: int
-
preShift: int
-
preMask: int
-
INTcode: int
-
LONGcode: int
-
FLOATcode: int
-
DOUBLEcode: int
-
OBJECTcode: int
-
BYTEcode: int
-
CHARcode: int
-
SHORTcode: int
-
VOIDcode: int
-
TypeCodeCount: int
-
typecodeNames: String[]
-
/*
* Copyright (c) 1999, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.tools.javac.jvm;
Bytecode instruction codes, as well as typecodes used as
instruction modifiers.
This is NOT part of any supported API.
If you write code that depends on this, you do so at your own risk.
This code and its internal interfaces are subject to change or
deletion without notice.
/** Bytecode instruction codes, as well as typecodes used as
* instruction modifiers.
*
* <p><b>This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
public interface ByteCodes {
Byte code instruction codes.
/** Byte code instruction codes.
*/
int illegal = -1,
nop = 0,
aconst_null = 1,
iconst_m1 = 2,
iconst_0 = 3,
iconst_1 = 4,
iconst_2 = 5,
iconst_3 = 6,
iconst_4 = 7,
iconst_5 = 8,
lconst_0 = 9,
lconst_1 = 10,
fconst_0 = 11,
fconst_1 = 12,
fconst_2 = 13,
dconst_0 = 14,
dconst_1 = 15,
bipush = 16,
sipush = 17,
ldc1 = 18,
ldc2 = 19,
ldc2w = 20,
iload = 21,
lload = 22,
fload = 23,
dload = 24,
aload = 25,
iload_0 = 26,
iload_1 = 27,
iload_2 = 28,
iload_3 = 29,
lload_0 = 30,
lload_1 = 31,
lload_2 = 32,
lload_3 = 33,
fload_0 = 34,
fload_1 = 35,
fload_2 = 36,
fload_3 = 37,
dload_0 = 38,
dload_1 = 39,
dload_2 = 40,
dload_3 = 41,
aload_0 = 42,
aload_1 = 43,
aload_2 = 44,
aload_3 = 45,
iaload = 46,
laload = 47,
faload = 48,
daload = 49,
aaload = 50,
baload = 51,
caload = 52,
saload = 53,
istore = 54,
lstore = 55,
fstore = 56,
dstore = 57,
astore = 58,
istore_0 = 59,
istore_1 = 60,
istore_2 = 61,
istore_3 = 62,
lstore_0 = 63,
lstore_1 = 64,
lstore_2 = 65,
lstore_3 = 66,
fstore_0 = 67,
fstore_1 = 68,
fstore_2 = 69,
fstore_3 = 70,
dstore_0 = 71,
dstore_1 = 72,
dstore_2 = 73,
dstore_3 = 74,
astore_0 = 75,
astore_1 = 76,
astore_2 = 77,
astore_3 = 78,
iastore = 79,
lastore = 80,
fastore = 81,
dastore = 82,
aastore = 83,
bastore = 84,
castore = 85,
sastore = 86,
pop = 87,
pop2 = 88,
dup = 89,
dup_x1 = 90,
dup_x2 = 91,
dup2 = 92,
dup2_x1 = 93,
dup2_x2 = 94,
swap = 95,
iadd = 96,
ladd = 97,
fadd = 98,
dadd = 99,
isub = 100,
lsub = 101,
fsub = 102,
dsub = 103,
imul = 104,
lmul = 105,
fmul = 106,
dmul = 107,
idiv = 108,
ldiv = 109,
fdiv = 110,
ddiv = 111,
imod = 112,
lmod = 113,
fmod = 114,
dmod = 115,
ineg = 116,
lneg = 117,
fneg = 118,
dneg = 119,
ishl = 120,
lshl = 121,
ishr = 122,
lshr = 123,
iushr = 124,
lushr = 125,
iand = 126,
land = 127,
ior = 128,
lor = 129,
ixor = 130,
lxor = 131,
iinc = 132,
i2l = 133,
i2f = 134,
i2d = 135,
l2i = 136,
l2f = 137,
l2d = 138,
f2i = 139,
f2l = 140,
f2d = 141,
d2i = 142,
d2l = 143,
d2f = 144,
int2byte = 145,
int2char = 146,
int2short = 147,
lcmp = 148,
fcmpl = 149,
fcmpg = 150,
dcmpl = 151,
dcmpg = 152,
ifeq = 153,
ifne = 154,
iflt = 155,
ifge = 156,
ifgt = 157,
ifle = 158,
if_icmpeq = 159,
if_icmpne = 160,
if_icmplt = 161,
if_icmpge = 162,
if_icmpgt = 163,
if_icmple = 164,
if_acmpeq = 165,
if_acmpne = 166,
goto_ = 167,
jsr = 168,
ret = 169,
tableswitch = 170,
lookupswitch = 171,
ireturn = 172,
lreturn = 173,
freturn = 174,
dreturn = 175,
areturn = 176,
return_ = 177,
getstatic = 178,
putstatic = 179,
getfield = 180,
putfield = 181,
invokevirtual = 182,
invokespecial = 183,
invokestatic = 184,
invokeinterface = 185,
invokedynamic = 186,
new_ = 187,
newarray = 188,
anewarray = 189,
arraylength = 190,
athrow = 191,
checkcast = 192,
instanceof_ = 193,
monitorenter = 194,
monitorexit = 195,
wide = 196,
multianewarray = 197,
if_acmp_null = 198,
if_acmp_nonnull = 199,
goto_w = 200,
jsr_w = 201,
breakpoint = 202,
ByteCodeCount = 203;
Virtual instruction codes; used for constant folding.
/** Virtual instruction codes; used for constant folding.
*/
int string_add = 256, // string +
bool_not = 257, // boolean !
bool_and = 258, // boolean &&
bool_or = 259; // boolean ||
Virtual opcodes; used for shifts with long shiftcount
/** Virtual opcodes; used for shifts with long shiftcount
*/
int ishll = 270, // int shift left with long count
lshll = 271, // long shift left with long count
ishrl = 272, // int shift right with long count
lshrl = 273, // long shift right with long count
iushrl = 274, // int unsigned shift right with long count
lushrl = 275; // long unsigned shift right with long count
Virtual opcode for null reference checks
/** Virtual opcode for null reference checks
*/
int nullchk = 276; // return operand if non-null,
// otherwise throw NullPointerException.
Virtual opcode for disallowed operations.
/** Virtual opcode for disallowed operations.
*/
int error = 277;
All conditional jumps come in pairs. To streamline the
treatment of jumps, we also introduce a negation of an
unconditional jump. That opcode happens to be jsr.
/** All conditional jumps come in pairs. To streamline the
* treatment of jumps, we also introduce a negation of an
* unconditional jump. That opcode happens to be jsr.
*/
int dontgoto = jsr;
Shift and mask constants for shifting prefix instructions. a pair of instruction codes such as LCMP ; IFEQ is encoded in Symtab as (LCMP << preShift) + IFEQ . /** Shift and mask constants for shifting prefix instructions.
* a pair of instruction codes such as LCMP ; IFEQ is encoded
* in Symtab as {@literal (LCMP << preShift) + IFEQ }.
*/
int preShift = 9;
int preMask = (1 << preShift) - 1;
Type codes.
/** Type codes.
*/
int INTcode = 0,
LONGcode = 1,
FLOATcode = 2,
DOUBLEcode = 3,
OBJECTcode = 4,
BYTEcode = 5,
CHARcode = 6,
SHORTcode = 7,
VOIDcode = 8,
TypeCodeCount = 9;
static final String[] typecodeNames = {
"int",
"long",
"float",
"double",
"object",
"byte",
"char",
"short",
"void",
"oops"
};
}