SapMachine SAP#1894: Add SapMachine tools plugin to jlink

(cherry picked from commit bbf2165)

Author: parttimenerd

src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/AddSapMachineTools.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2025 SAP SE. 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 jdk.tools.jlink.internal.plugins;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+
+import jdk.tools.jlink.internal.ExecutableImage;
+import jdk.tools.jlink.internal.Platform;
+import jdk.tools.jlink.internal.PostProcessor;
+import jdk.tools.jlink.plugin.PluginException;
+import jdk.tools.jlink.plugin.ResourcePool;
+import jdk.tools.jlink.plugin.ResourcePoolBuilder;
+
+/**
+ * Adds tools that are SapMachine specific
+ */
+public class AddSapMachineTools extends AbstractPlugin implements PostProcessor {
+
+    public AddSapMachineTools() {
+        super("add-sapmachine-tools");
+    }
+
+    @Override
+    public Category getType() {
+        return Category.ADDER;
+    }
+
+    @Override
+    public boolean hasArguments() {
+        return false;
+    }
+
+    @Override
+    public boolean hasRawArgument() {
+        return false;
+    }
+
+    private final String[] tools = {
+            "bin/asprof",
+            "lib/" + System.mapLibraryName("asyncProfiler"),
+            "lib/async-profiler.jar",
+            "lib/converter.jar",
+            "legal/async/CHANGELOG.md",
+            "legal/async/LICENSE",
+            "legal/async/README.md"
+    };
+
+    @Override
+    public List<String> process(ExecutableImage image) {
+        var targetPlatform = image.getTargetPlatform();
+        var runtimePlatform = Platform.runtime();
+
+        if (!targetPlatform.equals(runtimePlatform)) {
+            throw new PluginException("Cannot add SapMachine tools: target image platform " +
+                    targetPlatform.toString() + " is different from runtime platform " +
+                    runtimePlatform.toString());
+        }
+
+        var sourceJavaHome = Path.of(System.getProperty("java.home"));
+        var targetJavaHome = image.getHome();
+
+        for (String tool : tools) {
+            var path = sourceJavaHome.resolve(tool);
+            var target = targetJavaHome.resolve(tool);
+            if (Files.exists(path)) {
+                try {
+                    Files.createDirectories(target.getParent());
+                    Files.copy(path, target);
+                } catch (IOException e) {
+                    throw new UncheckedIOException(e);
+                }
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public ResourcePool transform(ResourcePool in, ResourcePoolBuilder out) {
+        return in;
+    }
+}

src/jdk.jlink/share/classes/jdk/tools/jlink/resources/plugins.properties

@@ -287,6 +287,13 @@ Invalid language tag: %s
 include-locales.localedatanotfound=\
 jdk.localedata module was not specified with --add-modules option
 
+# SapMachine 2025-09-01: SapMachine tools plugin
+add-sapmachine-tools.description=\
+Add SapMachine specific tools to the image.
+
+add-sapmachine-tools.usage=\
+\  --add-sapmachine-tools    Add SapMachine specific tools to the image.
+
 main.status.ok=Functional.
 
 main.status.not.ok= Not functional.

src/jdk.jlink/share/classes/jdk/tools/jlink/resources/plugins_de.properties

@@ -158,6 +158,11 @@ include-locales.invalidtag=Ungültiges Sprachtag: %s
 
 include-locales.localedatanotfound=Modul jdk.localedata wurde mit der Option --add-modules nicht angegeben
 
+# SapMachine 2025-09-01: SapMachine tools plugin
+add-sapmachine-tools.description=Fügt SapMachine-spezifische Tools zum Image hinzu.
+
+add-sapmachine-tools.usage=\  --add-sapmachine-tools    Fügt SapMachine-spezifische Tools zum Image hinzu.
+
 main.status.ok=Funktional.
 
 main.status.not.ok= Nicht funktional.

src/jdk.jlink/share/classes/module-info.java

@@ -84,5 +84,7 @@
         jdk.tools.jlink.internal.plugins.VendorVMBugURLPlugin,
         jdk.tools.jlink.internal.plugins.VendorVersionPlugin,
         jdk.tools.jlink.internal.plugins.CDSPlugin,
+        // SapMachine 2025-01-09: SapMachine tools plugin
+        jdk.tools.jlink.internal.plugins.AddSapMachineTools,
         jdk.tools.jlink.internal.plugins.SaveJlinkArgfilesPlugin;
 }

test/hotspot/jtreg/TEST.groups

@@ -374,7 +374,10 @@ hotspot_gc_shenandoah = \
   :tier2_gc_shenandoah \
   :tier3_gc_shenandoah
 
+# SapMachine 2019-02-24 : Add tests where SAPMachine has different behavior to tier1,
+#  or which tests downstream-only features.
 tier1_runtime = \
+  :tier1_sapmachine \
   runtime/ \
  -runtime/6626217/bug_21227.java \
  -runtime/7100935 \
@@ -635,10 +638,7 @@ tier1_sapmachine = \
   runtime/Vitals \
   runtime/malloctrace
 
-# SapMachine 2019-02-24 : Add tests where SAPMachine has different behavior to tier1,
-#  or which tests downstream-only features.
 tier1 = \
-  :tier1_sapmachine \
   :tier1_common \
   :tier1_compiler \
   :tier1_gc \

test/jdk/TEST.groups

@@ -37,9 +37,7 @@ jdk_all = \
 #
 
 # When adding tests to tier1, make sure they end up in one of the tier1_partX groups
-# SapMachine 2019-01-24: Add tests where SAPMachine has different behavior to tier1
 tier1 = \
-    :tier1_sapmachine \
     :tier1_part1 \
     :tier1_part2 \
     :tier1_part3
@@ -50,7 +48,9 @@ tier1_part1 = \
 tier1_part2 = \
     :jdk_util
 
+# SapMachine 2019-01-24: Add tests where SAPMachine has different behavior to tier1
 tier1_part3 = \
+    :tier1_sapmachine \
     :jdk_math \
     :jdk_svc_sanity \
     :jdk_foreign \
@@ -67,6 +67,7 @@ tier1_sapmachine = \
     jdk/security/JavaDotSecurity/TestJDKIncludeInExceptions.java \
     sun/net/www/http/KeepAliveCache/TestConnectionIDFeature.java \
     sun/security/lib/cacerts/VerifyCACerts.java \
+    tools/jlink/plugins/AddSapMachineToolsTest.java \
     tools/launcher/HelpFlagsTest.java \
     tools/launcher/VersionCheck.java
 

test/jdk/tools/jlink/plugins/AddSapMachineToolsTest.java

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2025 SAP SE. 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.
+ */
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import org.testng.SkipException;
+import org.testng.annotations.Test;
+
+import jdk.test.lib.Platform;
+
+import static org.testng.Assert.assertFalse;
+import static org.testng.Assert.assertTrue;
+
+import tests.Helper;
+
+/* @test
+ * @summary Test the --add-sapmachine-tools plugin
+ * @library ../../lib
+ * @library /test/lib
+ * @modules java.base/jdk.internal.jimage
+ *          jdk.jlink/jdk.tools.jimage
+ * @run testng AddSapMachineToolsTest
+ */
+@Test
+public class AddSapMachineToolsTest {
+
+    private final String[] sapMachineTools = {
+            "bin/asprof",
+            "lib/" + System.mapLibraryName("asyncProfiler"),
+            "lib/async-profiler.jar",
+            "lib/converter.jar",
+            "legal/async/CHANGELOG.md",
+            "legal/async/LICENSE",
+            "legal/async/README.md"
+    };
+
+    @Test
+    public void testSapMachineTools() throws IOException {
+        // async profiler is not pulled in GHA builds, so skip the test there.
+        // checking whether we are in a GHA environment is hacky because jtreg removes environment variables,
+        // so we guess by checking for a user name containing the String "runner"
+        if (System.getProperty("user.name", "n/a").contains("runner")) {
+            throw new SkipException("Detected a Github Actions environment. No tools get added to SapMachine here, so skip test.");
+        }
+
+        Helper helper = Helper.newHelper();
+        if (helper == null) {
+            throw new SkipException("JDK image is not suitable for this test.");
+        }
+
+        // async profiler is only available on a subset of platforms
+        boolean shouldHaveAsync = Platform.isOSX() ||
+                (Platform.isLinux() && (Platform.isAArch64() || Platform.isPPC() || Platform.isX64()) && !Platform.isMusl());
+
+        Path sourceJavaHome = Path.of(System.getProperty("java.home"));
+
+        if (shouldHaveAsync) {
+            for (String tool : sapMachineTools) {
+                assertTrue(Files.exists(sourceJavaHome.resolve(tool)), tool + " must exist.");
+            }
+            System.out.println("All SapMachine tools files found, as expected.");
+        } else {
+            for (String tool : sapMachineTools) {
+                assertFalse(Files.exists(sourceJavaHome.resolve(tool)), tool + " should not exist.");
+            }
+            System.out.println("No SapMachine tools files found, as expected.");
+        }
+
+        var module = "sapmachine.tools";
+        helper.generateDefaultJModule(module);
+        var image = helper
+                .generateDefaultImage(new String[] { "--add-sapmachine-tools" }, module)
+                .assertSuccess();
+
+        if (shouldHaveAsync) {
+            helper.checkImage(image, module, null, null, sapMachineTools);
+        } else {
+            helper.checkImage(image, module, null, sapMachineTools, null);
+        }
+    }
+}