1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (c) 2015, 2025, 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.
*
* 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.
*/
/*
* @test
* @bug 8136421
* @requires vm.jvmci
* @library /test/lib /
* @library ../common/patches
* @library /testlibrary/asm
* @modules java.base/jdk.internal.misc
* @modules jdk.internal.vm.ci/jdk.vm.ci.code
* jdk.internal.vm.ci/jdk.vm.ci.hotspot
* jdk.internal.vm.ci/jdk.vm.ci.meta
* jdk.internal.vm.ci/jdk.vm.ci.runtime
*
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* @build jdk.test.whitebox.WhiteBox
* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -XX:-BackgroundCompilation
* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
*/
package compiler.jvmci.compilerToVM;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import jdk.vm.ci.code.InstalledCode;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.whitebox.code.NMethod;
import java.util.List;
public class DisassembleCodeBlobTest {
public static void main(String[] args) {
DisassembleCodeBlobTest test
= new DisassembleCodeBlobTest();
List<CompileCodeTestCase> testCases
= CompileCodeTestCase.generate(/* bci = */ -1);
testCases.forEach(test::check);
testCases.stream().findAny().ifPresent(test::checkZero);
test.checkNull();
}
private void checkNull() {
Utils.runAndCheckException(
() -> { CompilerToVMHelper.disassembleCodeBlob(null); },
NullPointerException.class);
}
private void checkZero(CompileCodeTestCase testCase) {
System.out.println("checkZero for " + testCase);
testCase.deoptimize();
InstalledCode installedCode = testCase.toInstalledCode();
String str = CompilerToVMHelper.disassembleCodeBlob(installedCode);
Asserts.assertNull(str, testCase
+ " : non-null return value for invalid installCode");
}
private void checkLineStart(CompileCodeTestCase testCase, String line, String match) {
Asserts.assertTrue(line.startsWith(match),
testCase + " : line \"" + line + "\" does not start with: \"" + match +"\"");
}
private void check(CompileCodeTestCase testCase) {
System.out.println(testCase);
// to have a clean state
NMethod nMethod = testCase.deoptimizeAndCompile();
if (nMethod == null) {
throw new Error(testCase + " : method is not compiled");
}
InstalledCode installedCode = testCase.toInstalledCode();
String str1 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
if (str1 != null) {
Asserts.assertGT(str1.length(), 0,
testCase + " : returned string has to be non-zero length");
}
// The very first call to the disassembler contains a string specifying the
// architecture: [Disassembling for mach='i386:x86-64']
// so discard it and try again.
String str2 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
String[] strLines = str2.split("\\R");
// Check some basic layout
int MIN_LINES = 5;
Asserts.assertTrue(strLines.length > 2,
testCase + " : read " + strLines.length + " lines, " + MIN_LINES + " expected");
int l = 1;
checkLineStart(testCase, strLines[l++], "Compiled method "); // 2
checkLineStart(testCase, strLines[l++], " total in heap "); // 3
int foundDisassemblyLine = -1;
int foundEntryPointLine = -1;
for (; l < strLines.length; ++l) {
String line = strLines[l];
if (line.equals("[Disassembly]") || line.equals("[MachCode]")) {
Asserts.assertTrue(foundDisassemblyLine == -1,
testCase + " : Duplicate disassembly section markers found at lines " + foundDisassemblyLine + " and " + l);
foundDisassemblyLine = l;
}
if (line.equals("[Entry Point]") || line.equals("[Verified Entry Point]")) {
Asserts.assertTrue(foundDisassemblyLine != -1,
testCase + " : entry point found but [Disassembly] section missing ");
foundEntryPointLine = l;
break;
}
}
Asserts.assertTrue(foundDisassemblyLine != -1, testCase + " : no disassembly section found");
Asserts.assertTrue(foundEntryPointLine != -1, testCase + " : no entry point found");
}
}
|
