1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * This test contains a CONSTANT_Dynamic_info structure whose bootstrap_method_attr_index
26 * points to a BSM for an invokedynamic. Both the condy & indy point at element 0 in the
27 * bootstrap methods array. BootstrapMethodError expected.
28 */
29
30 /*
31 class CondyUsesIndyBSM {
32 CondyUsesIndyBSM() { }
33 public static Object Condybsm(java.lang.invoke.MethodHandles$Lookup, java.lang.String, java.lang.Class) {
34 System.out.println("In Condybsm");
35 return String(0);
36 }
37 public static int foo() {
38 System.out.println("In Indybsm target CallSite method foo");
39 return 100;
40 }
41 public static MethodHandle MH_foo() {
42 // Constructs a MethodHandle for foo
43 Lookup lookup = MethodHandles.lookup();
44 MethodType mt = MethodType.methodType(int.class);
45 return lookup.findStatic(CondyUsesIndyBSM.class, "foo", mt);
46 }
47 public static CallSite Indybsm(java.lang.invoke.MethodHandles$Lookup, java.lang.String, java.lang.invoke.MethodType) {
48 return new CallSite(CondyUsesIndyBSM.MH_foo());
49 }
50 public static Object m() {
51 // invokedynamic where the BSM = slot #0 in the BootstrapMethods array is CondyUsesIndyBSM.Indybsm() -> succeeds
52 // ldc_w dynamic where the BSM = slot #0 in the BootstrapMethods array is CondyUsesIndyBSM.Indybsm() -> receives a BootstrapMethodError
53 return of ldc's Object;
54 }
55 public static void main(String[] args) {
56 CondyUsesIndyBSM.m();
57 return;
58 }
59
60 BootstrapMethods:
61 0: #70 REF_invokeStatic CondyUsesIndyBSM.Indybsm:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
62 Method arguments:
63 1: #75 REF_invokeStatic CondyUsesIndyBSM.Condybsm:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;
64 Method arguments:
65 }
66 */
67
68 class CondyUsesIndyBSM {
69 0xCAFEBABE;
70 0; // minor version
71 55; // version
72 [] { // Constant Pool
73 ; // first element is empty
74 Utf8 "java/lang/Object"; // #1
75 class #1; // #2
76 Utf8 "<init>"; // #3
77 Utf8 "()V"; // #4
78 NameAndType #3 #4; // #5
79 Method #2 #5; // #6
80 Utf8 "Code"; // #7
81 Utf8 "java/lang/System"; // #8
82 class #8; // #9
83 Utf8 "out"; // #10
84 Utf8 "Ljava/io/PrintStream;"; // #11
85 NameAndType #10 #11; // #12
86 Field #9 #12; // #13
87 Utf8 "In Condybsm"; // #14
88 String #14; // #15
89 Utf8 "java/io/PrintStream"; // #16
90 class #16; // #17
91 Utf8 "println"; // #18
92 Utf8 "(Ljava/lang/String;)V"; // #19
93 NameAndType #18 #19; // #20
94 Method #17 #20; // #21
95 Utf8 "0"; // #22
96 String #22; // #23
97 Utf8 "Condybsm"; // #24
98 Utf8 "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Object;"; // #25
99 Utf8 "In Indybsm target CallSite method foo"; // #26
100 String #26; // #27
101 Utf8 "foo"; // #28
102 Utf8 "()I"; // #29
103 Utf8 "java/lang/invoke/MethodHandles"; // #30
104 class #30; // #31
105 Utf8 "lookup"; // #32
106 Utf8 "()Ljava/lang/invoke/MethodHandles$Lookup;"; // #33
107 NameAndType #32 #33; // #34
108 Method #31 #34; // #35
109 Utf8 "CondyUsesIndyBSM"; // #36
110 class #36; // #37
111 String #28; // #38
112 Utf8 "java/lang/Integer"; // #39
113 class #39; // #40
114 Utf8 "TYPE"; // #41
115 Utf8 "Ljava/lang/Class;"; // #42
116 NameAndType #41 #42; // #43
117 Field #40 #43; // #44
118 Utf8 "java/lang/invoke/MethodType"; // #45
119 class #45; // #46
120 Utf8 "methodType"; // #47
121 Utf8 "(Ljava/lang/Class;)Ljava/lang/invoke/MethodType;"; // #48
122 NameAndType #47 #48; // #49
123 Method #46 #49; // #50
124 Utf8 "java/lang/invoke/MethodHandles$Lookup"; // #51
125 class #51; // #52
126 Utf8 "findStatic"; // #53
127 Utf8 "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;"; // #54
128 NameAndType #53 #54; // #55
129 Method #52 #55; // #56
130 Utf8 "MH_foo"; // #57
131 Utf8 "()Ljava/lang/invoke/MethodHandle;"; // #58
132 Utf8 "java/lang/invoke/ConstantCallSite"; // #59
133 class #59; // #60
134 NameAndType #57 #58; // #61
135 Method #37 #61; // #62
136 Utf8 "(Ljava/lang/invoke/MethodHandle;)V"; // #63
137 NameAndType #3 #63; // #64
138 Method #60 #64; // #65
139 Utf8 "Indybsm"; // #66
140 Utf8 "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"; // #67
141 NameAndType #66 #67; // #68
142 Method #37 #68; // #69
143 MethodHandle 6b #69; // #70
144 NameAndType #28 #29; // #71
145 InvokeDynamic 0s #71; // #72
146 NameAndType #24 #25; // #73
147 Method #37 #73; // #74
148 MethodHandle 6b #74; // #75
149 Utf8 "name"; // #76
150 Utf8 "Ljava/lang/Object;"; // #77
151 NameAndType #76 #77; // #78
152 Dynamic 0s #78; // #79
153 Utf8 "m"; // #80
154 Utf8 "()Ljava/lang/Object;"; // #81
155 NameAndType #80 #81; // #82
156 Method #37 #82; // #83
157 Utf8 "main"; // #84
158 Utf8 "([Ljava/lang/String;)V"; // #85
159 Utf8 "BootstrapMethods"; // #86
160 Utf8 "CondyUsesIndyBSM"; // #87
161 class #87; // #88
162 } // Constant Pool
163
164 0x0000; // access
165 #88;// this_cpx
166 #2;// super_cpx
167
168 [] { // Interfaces
169 } // Interfaces
170
171 [] { // fields
172 } // fields
173
174 [] { // methods
175 { // Member
176 0x0001; // access
177 #3; // name_cpx
178 #4; // sig_cpx
179 [] { // Attributes
180 Attr(#7) { // Code
181 1; // max_stack
182 1; // max_locals
183 Bytes[]{
184 0x2AB70006B1;
185 }
186 [] { // Traps
187 } // end Traps
188 [] { // Attributes
189 } // Attributes
190 } // end Code
191 } // Attributes
192 } // Member
193 ;
194 { // Member
195 0x0009; // access
196 #24; // name_cpx
197 #25; // sig_cpx
198 [] { // Attributes
199 Attr(#7) { // Code
200 2; // max_stack
201 3; // max_locals
202 Bytes[]{
203 0xB2000D120FB60015;
204 0x1217B0;
205 }
206 [] { // Traps
207 } // end Traps
208 [] { // Attributes
209 } // Attributes
210 } // end Code
211 } // Attributes
212 } // Member
213 ;
214 { // Member
215 0x0009; // access
216 #28; // name_cpx
217 #29; // sig_cpx
218 [] { // Attributes
219 Attr(#7) { // Code
220 2; // max_stack
221 0; // max_locals
222 Bytes[]{
223 0xB2000D121BB60015;
224 0x1064AC;
225 }
226 [] { // Traps
227 } // end Traps
228 [] { // Attributes
229 } // Attributes
230 } // end Code
231 } // Attributes
232 } // Member
233 ;
234 { // Member
235 0x0009; // access
236 #57; // name_cpx
237 #58; // sig_cpx
238 [] { // Attributes
239 Attr(#7) { // Code
240 4; // max_stack
241 0; // max_locals
242 Bytes[]{
243 0xB8002312251226B2;
244 0x002CB80032B60038;
245 0xB0;
246 }
247 [] { // Traps
248 } // end Traps
249 [] { // Attributes
250 } // Attributes
251 } // end Code
252 } // Attributes
253 } // Member
254 ;
255 { // Member
256 0x0009; // access
257 #66; // name_cpx
258 #67; // sig_cpx
259 [] { // Attributes
260 Attr(#7) { // Code
261 3; // max_stack
262 3; // max_locals
263 Bytes[]{
264 0xBB003C59B8003EB7;
265 0x0041B0;
266 }
267 [] { // Traps
268 } // end Traps
269 [] { // Attributes
270 } // Attributes
271 } // end Code
272 } // Attributes
273 } // Member
274 ;
275 { // Member
276 0x0009; // access
277 #80; // name_cpx
278 #81; // sig_cpx
279 [] { // Attributes
280 Attr(#7) { // Code
281 2; // max_stack
282 0; // max_locals
283 Bytes[]{
284 0xBA0048000013004F;
285 0xB0;
286 }
287 [] { // Traps
288 } // end Traps
289 [] { // Attributes
290 } // Attributes
291 } // end Code
292 } // Attributes
293 } // Member
294 ;
295 { // Member
296 0x0009; // access
297 #84; // name_cpx
298 #85; // sig_cpx
299 [] { // Attributes
300 Attr(#7) { // Code
301 1; // max_stack
302 1; // max_locals
303 Bytes[]{
304 0xB80053B1;
305 }
306 [] { // Traps
307 } // end Traps
308 [] { // Attributes
309 } // Attributes
310 } // end Code
311 } // Attributes
312 } // Member
313 } // methods
314
315 [] { // Attributes
316 Attr(#86) { // BootstrapMethods
317 [] { // bootstrap_methods
318 { // bootstrap_method
319 #70; // bootstrap_method_ref
320 [] { // bootstrap_arguments
321 } // bootstrap_arguments
322 } // bootstrap_method
323 ;
324 { // bootstrap_method
325 #75; // bootstrap_method_ref
326 [] { // bootstrap_arguments
327 } // bootstrap_arguments
328 } // bootstrap_method
329 }
330 } // end BootstrapMethods
331 } // Attributes
332 } // end class CondyUsesIndyBSM