1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation. Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /*
26 * This file is available under and governed by the GNU General Public
27 * License version 2 only, as published by the Free Software Foundation.
28 * However, the following notice accompanied the original version of this
29 * file:
30 *
31 * ASM: a very small and fast Java bytecode manipulation framework
32 * Copyright (c) 2000-2011 INRIA, France Telecom
33 * All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. Neither the name of the copyright holders nor the names of its
44 * contributors may be used to endorse or promote products derived from
45 * this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
57 * THE POSSIBILITY OF SUCH DAMAGE.
58 */
59 package jdk.internal.org.objectweb.asm;
60
61 /**
62 * The JVM opcodes, access flags and array type codes. This interface does not define all the JVM
63 * opcodes because some opcodes are automatically handled. For example, the xLOAD and xSTORE opcodes
64 * are automatically replaced by xLOAD_n and xSTORE_n opcodes when possible. The xLOAD_n and
65 * xSTORE_n opcodes are therefore not defined in this interface. Likewise for LDC, automatically
66 * replaced by LDC_W or LDC2_W when necessary, WIDE, GOTO_W and JSR_W.
67 *
68 * @see <a href="https://docs.oracle.com/javase/specs/jvms/se11/html/jvms-6.html">JVMS 6</a>
69 * @author Eric Bruneton
70 * @author Eugene Kuleshov
71 */
72 // DontCheck(InterfaceIsType): can't be fixed (for backward binary compatibility).
73 public interface Opcodes {
74
75 // ASM API versions.
76
77 int ASM4 = 4 << 16 | 0 << 8;
78 int ASM5 = 5 << 16 | 0 << 8;
79 int ASM6 = 6 << 16 | 0 << 8;
80 int ASM7 = 7 << 16 | 0 << 8;
81
82 // Java ClassFile versions (the minor version is stored in the 16 most
83 // significant bits, and the
84 // major version in the 16 least significant bits).
85
86 int V1_1 = 3 << 16 | 45;
87 int V1_2 = 0 << 16 | 46;
88 int V1_3 = 0 << 16 | 47;
89 int V1_4 = 0 << 16 | 48;
90 int V1_5 = 0 << 16 | 49;
91 int V1_6 = 0 << 16 | 50;
92 int V1_7 = 0 << 16 | 51;
93 int V1_8 = 0 << 16 | 52;
94 int V9 = 0 << 16 | 53;
95 int V10 = 0 << 16 | 54;
96 int V11 = 0 << 16 | 55;
97 int V12 = 0 << 16 | 56;
98 int V13 = 0 << 16 | 57;
99
100 /**
101 * Version flag indicating that the class is using 'preview' features.
102 *
103 * <p>{@code version & V_PREVIEW == V_PREVIEW} tests if a version is flagged with {@code
104 * V_PREVIEW}.
105 */
106 int V_PREVIEW = 0xFFFF0000;
107
108 // Access flags values, defined in
109 // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.1-200-E.1
110 // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.5-200-A.1
111 // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.6-200-A.1
112 // - https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.7.25
113
114 int ACC_PUBLIC = 0x0001; // class, field, method
115 int ACC_PRIVATE = 0x0002; // class, field, method
116 int ACC_PROTECTED = 0x0004; // class, field, method
117 int ACC_STATIC = 0x0008; // field, method
118 int ACC_FINAL = 0x0010; // class, field, method, parameter
119 int ACC_SUPER = 0x0020; // class
120 int ACC_SYNCHRONIZED = 0x0020; // method
121 int ACC_OPEN = 0x0020; // module
122 int ACC_TRANSITIVE = 0x0020; // module requires
123 int ACC_VOLATILE = 0x0040; // field
124 int ACC_BRIDGE = 0x0040; // method
125 int ACC_STATIC_PHASE = 0x0040; // module requires
126 int ACC_VARARGS = 0x0080; // method
127 int ACC_TRANSIENT = 0x0080; // field
128 int ACC_NATIVE = 0x0100; // method
129 int ACC_INTERFACE = 0x0200; // class
130 int ACC_ABSTRACT = 0x0400; // class, method
131 int ACC_STRICT = 0x0800; // method
132 int ACC_SYNTHETIC = 0x1000; // class, field, method, parameter, module *
133 int ACC_ANNOTATION = 0x2000; // class
134 int ACC_ENUM = 0x4000; // class(?) field inner
135 int ACC_MANDATED = 0x8000; // parameter, module, module *
136 int ACC_MODULE = 0x8000; // class
137
138 // ASM specific access flags.
139 // WARNING: the 16 least significant bits must NOT be used, to avoid conflicts with standard
140 // access flags, and also to make sure that these flags are automatically filtered out when
141 // written in class files (because access flags are stored using 16 bits only).
142
143 int ACC_DEPRECATED = 0x20000; // class, field, method
144
145 // Possible values for the type operand of the NEWARRAY instruction.
146 // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-6.html#jvms-6.5.newarray.
147
148 int T_BOOLEAN = 4;
149 int T_CHAR = 5;
150 int T_FLOAT = 6;
151 int T_DOUBLE = 7;
152 int T_BYTE = 8;
153 int T_SHORT = 9;
154 int T_INT = 10;
155 int T_LONG = 11;
156
157 // Possible values for the reference_kind field of CONSTANT_MethodHandle_info structures.
158 // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.4.8.
159
160 int H_GETFIELD = 1;
161 int H_GETSTATIC = 2;
162 int H_PUTFIELD = 3;
163 int H_PUTSTATIC = 4;
164 int H_INVOKEVIRTUAL = 5;
165 int H_INVOKESTATIC = 6;
166 int H_INVOKESPECIAL = 7;
167 int H_NEWINVOKESPECIAL = 8;
168 int H_INVOKEINTERFACE = 9;
169
170 // ASM specific stack map frame types, used in {@link ClassVisitor#visitFrame}.
171
172 /** An expanded frame. See {@link ClassReader#EXPAND_FRAMES}. */
173 int F_NEW = -1;
174
175 /** A compressed frame with complete frame data. */
176 int F_FULL = 0;
177
178 /**
179 * A compressed frame where locals are the same as the locals in the previous frame, except that
180 * additional 1-3 locals are defined, and with an empty stack.
181 */
182 int F_APPEND = 1;
183
184 /**
185 * A compressed frame where locals are the same as the locals in the previous frame, except that
186 * the last 1-3 locals are absent and with an empty stack.
187 */
188 int F_CHOP = 2;
189
190 /**
191 * A compressed frame with exactly the same locals as the previous frame and with an empty stack.
192 */
193 int F_SAME = 3;
194
195 /**
196 * A compressed frame with exactly the same locals as the previous frame and with a single value
197 * on the stack.
198 */
199 int F_SAME1 = 4;
200
201 // Standard stack map frame element types, used in {@link ClassVisitor#visitFrame}.
202
203 Integer TOP = Frame.ITEM_TOP;
204 Integer INTEGER = Frame.ITEM_INTEGER;
205 Integer FLOAT = Frame.ITEM_FLOAT;
206 Integer DOUBLE = Frame.ITEM_DOUBLE;
207 Integer LONG = Frame.ITEM_LONG;
208 Integer NULL = Frame.ITEM_NULL;
209 Integer UNINITIALIZED_THIS = Frame.ITEM_UNINITIALIZED_THIS;
210
211 // The JVM opcode values (with the MethodVisitor method name used to visit them in comment, and
212 // where '-' means 'same method name as on the previous line').
213 // See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-6.html.
214
215 int NOP = 0; // visitInsn
216 int ACONST_NULL = 1; // -
217 int ICONST_M1 = 2; // -
218 int ICONST_0 = 3; // -
219 int ICONST_1 = 4; // -
220 int ICONST_2 = 5; // -
221 int ICONST_3 = 6; // -
222 int ICONST_4 = 7; // -
223 int ICONST_5 = 8; // -
224 int LCONST_0 = 9; // -
225 int LCONST_1 = 10; // -
226 int FCONST_0 = 11; // -
227 int FCONST_1 = 12; // -
228 int FCONST_2 = 13; // -
229 int DCONST_0 = 14; // -
230 int DCONST_1 = 15; // -
231 int BIPUSH = 16; // visitIntInsn
232 int SIPUSH = 17; // -
233 int LDC = 18; // visitLdcInsn
234 int ILOAD = 21; // visitVarInsn
235 int LLOAD = 22; // -
236 int FLOAD = 23; // -
237 int DLOAD = 24; // -
238 int ALOAD = 25; // -
239 int IALOAD = 46; // visitInsn
240 int LALOAD = 47; // -
241 int FALOAD = 48; // -
242 int DALOAD = 49; // -
243 int AALOAD = 50; // -
244 int BALOAD = 51; // -
245 int CALOAD = 52; // -
246 int SALOAD = 53; // -
247 int ISTORE = 54; // visitVarInsn
248 int LSTORE = 55; // -
249 int FSTORE = 56; // -
250 int DSTORE = 57; // -
251 int ASTORE = 58; // -
252 int IASTORE = 79; // visitInsn
253 int LASTORE = 80; // -
254 int FASTORE = 81; // -
255 int DASTORE = 82; // -
256 int AASTORE = 83; // -
257 int BASTORE = 84; // -
258 int CASTORE = 85; // -
259 int SASTORE = 86; // -
260 int POP = 87; // -
261 int POP2 = 88; // -
262 int DUP = 89; // -
263 int DUP_X1 = 90; // -
264 int DUP_X2 = 91; // -
265 int DUP2 = 92; // -
266 int DUP2_X1 = 93; // -
267 int DUP2_X2 = 94; // -
268 int SWAP = 95; // -
269 int IADD = 96; // -
270 int LADD = 97; // -
271 int FADD = 98; // -
272 int DADD = 99; // -
273 int ISUB = 100; // -
274 int LSUB = 101; // -
275 int FSUB = 102; // -
276 int DSUB = 103; // -
277 int IMUL = 104; // -
278 int LMUL = 105; // -
279 int FMUL = 106; // -
280 int DMUL = 107; // -
281 int IDIV = 108; // -
282 int LDIV = 109; // -
283 int FDIV = 110; // -
284 int DDIV = 111; // -
285 int IREM = 112; // -
286 int LREM = 113; // -
287 int FREM = 114; // -
288 int DREM = 115; // -
289 int INEG = 116; // -
290 int LNEG = 117; // -
291 int FNEG = 118; // -
292 int DNEG = 119; // -
293 int ISHL = 120; // -
294 int LSHL = 121; // -
295 int ISHR = 122; // -
296 int LSHR = 123; // -
297 int IUSHR = 124; // -
298 int LUSHR = 125; // -
299 int IAND = 126; // -
300 int LAND = 127; // -
301 int IOR = 128; // -
302 int LOR = 129; // -
303 int IXOR = 130; // -
304 int LXOR = 131; // -
305 int IINC = 132; // visitIincInsn
306 int I2L = 133; // visitInsn
307 int I2F = 134; // -
308 int I2D = 135; // -
309 int L2I = 136; // -
310 int L2F = 137; // -
311 int L2D = 138; // -
312 int F2I = 139; // -
313 int F2L = 140; // -
314 int F2D = 141; // -
315 int D2I = 142; // -
316 int D2L = 143; // -
317 int D2F = 144; // -
318 int I2B = 145; // -
319 int I2C = 146; // -
320 int I2S = 147; // -
321 int LCMP = 148; // -
322 int FCMPL = 149; // -
323 int FCMPG = 150; // -
324 int DCMPL = 151; // -
325 int DCMPG = 152; // -
326 int IFEQ = 153; // visitJumpInsn
327 int IFNE = 154; // -
328 int IFLT = 155; // -
329 int IFGE = 156; // -
330 int IFGT = 157; // -
331 int IFLE = 158; // -
332 int IF_ICMPEQ = 159; // -
333 int IF_ICMPNE = 160; // -
334 int IF_ICMPLT = 161; // -
335 int IF_ICMPGE = 162; // -
336 int IF_ICMPGT = 163; // -
337 int IF_ICMPLE = 164; // -
338 int IF_ACMPEQ = 165; // -
339 int IF_ACMPNE = 166; // -
340 int GOTO = 167; // -
341 int JSR = 168; // -
342 int RET = 169; // visitVarInsn
343 int TABLESWITCH = 170; // visiTableSwitchInsn
344 int LOOKUPSWITCH = 171; // visitLookupSwitch
345 int IRETURN = 172; // visitInsn
346 int LRETURN = 173; // -
347 int FRETURN = 174; // -
348 int DRETURN = 175; // -
349 int ARETURN = 176; // -
350 int RETURN = 177; // -
351 int GETSTATIC = 178; // visitFieldInsn
352 int PUTSTATIC = 179; // -
353 int GETFIELD = 180; // -
354 int PUTFIELD = 181; // -
355 int INVOKEVIRTUAL = 182; // visitMethodInsn
356 int INVOKESPECIAL = 183; // -
357 int INVOKESTATIC = 184; // -
358 int INVOKEINTERFACE = 185; // -
359 int INVOKEDYNAMIC = 186; // visitInvokeDynamicInsn
360 int NEW = 187; // visitTypeInsn
361 int NEWARRAY = 188; // visitIntInsn
362 int ANEWARRAY = 189; // visitTypeInsn
363 int ARRAYLENGTH = 190; // visitInsn
364 int ATHROW = 191; // -
365 int CHECKCAST = 192; // visitTypeInsn
366 int INSTANCEOF = 193; // -
367 int MONITORENTER = 194; // visitInsn
368 int MONITOREXIT = 195; // -
369 int MULTIANEWARRAY = 197; // visitMultiANewArrayInsn
370 int IFNULL = 198; // visitJumpInsn
371 int IFNONNULL = 199; // -
372 }