[GR-30347] [GR-20166] Remove OperatingSystemMXBean substitutions.

PullRequest: graal/11290

Author: pejovica

substratevm/mx.substratevm/suite.py

@@ -356,9 +356,6 @@
                 "com.oracle.svm.core.graal.amd64",
                 "com.oracle.svm.core.graal.aarch64",
             ],
-            "requires" : [
-                "jdk.management",
-            ],
             "requiresConcealed" : {
                 "jdk.internal.vm.ci" : [
                     "jdk.vm.ci.code",
@@ -379,9 +376,6 @@
             "dependencies": [
                 "com.oracle.svm.core.graal.amd64",
             ],
-            "requires" : [
-                "jdk.management",
-            ],
             "requiresConcealed" : {
                 "jdk.internal.vm.ci" : [
                     "jdk.vm.ci.code",

substratevm/src/com.oracle.svm.core.posix/src/com/oracle/svm/core/posix/PosixSubstrateOperatingSystemMXBean.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2022, 2022, 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.oracle.svm.core.jdk.management;
+
+import static com.oracle.svm.core.c.function.CEntryPointOptions.NoEpilogue;
+import static com.oracle.svm.core.c.function.CEntryPointOptions.NoPrologue;
+import static com.oracle.svm.core.c.function.CEntryPointOptions.Publish;
+import static org.graalvm.nativeimage.c.function.CFunction.Transition.NO_TRANSITION;
+
+import org.graalvm.nativeimage.IsolateThread;
+import org.graalvm.nativeimage.StackValue;
+import org.graalvm.nativeimage.c.function.CEntryPoint;
+import org.graalvm.nativeimage.c.function.CFunction;
+import org.graalvm.nativeimage.c.function.CLibrary;
+import org.graalvm.nativeimage.c.type.CCharPointer;
+import org.graalvm.word.UnsignedWord;
+import org.graalvm.word.WordFactory;
+
+import com.oracle.svm.core.annotate.Uninterruptible;
+import com.oracle.svm.core.c.CGlobalData;
+import com.oracle.svm.core.c.CGlobalDataFactory;
+import com.oracle.svm.core.c.function.CEntryPointOptions;
+import com.oracle.svm.core.headers.LibC;
+
+public final class LibManagementExtSupport {
+    private static final CGlobalData<CCharPointer> ERRMSG_FORMAT = CGlobalDataFactory.createCString("errno: %d error: %s\n");
+
+    /**
+     * Reimplementation of the native {@code throw_internal_error} function in Java.
+     */
+    @Uninterruptible(reason = "No Java context.")
+    @CEntryPoint(name = "throw_internal_error", include = CEntryPoint.NotIncludedAutomatically.class)
+    @CEntryPointOptions(prologue = NoPrologue.class, epilogue = NoEpilogue.class, publishAs = Publish.SymbolOnly)
+    private static void throwInternalError(IsolateThread env, CCharPointer msg) {
+        /*
+         * Ported from `src/jdk.management/share/native/libmanagement_ext/management_ext.c`.
+         */
+        CCharPointer errmsg = StackValue.get(128);
+
+        snprintf(errmsg, WordFactory.unsigned(128), ERRMSG_FORMAT.get(), LibC.errno(), msg);
+        jnuThrowInternalError(env, errmsg);
+    }
+
+    @CFunction(transition = NO_TRANSITION)
+    private static native int snprintf(CCharPointer str, UnsignedWord size, CCharPointer format, int errno, CCharPointer msg);
+
+    @CLibrary(value = "java", requireStatic = true)
+    @CFunction(value = "JNU_ThrowInternalError", transition = NO_TRANSITION)
+    private static native void jnuThrowInternalError(IsolateThread env, CCharPointer msg);
+}