src/hotspot/share/runtime/init.cpp
changeset 47216 71c04702a3d5
parent 42664 29142a56c193
child 47688 3d1e3786d66e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/init.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 1997, 2016, 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/stringTable.hpp"
+#include "classfile/symbolTable.hpp"
+#include "code/icBuffer.hpp"
+#include "gc/shared/collectedHeap.hpp"
+#include "interpreter/bytecodes.hpp"
+#include "memory/universe.hpp"
+#include "prims/methodHandles.hpp"
+#include "runtime/globals.hpp"
+#include "runtime/handles.inline.hpp"
+#include "runtime/icache.hpp"
+#include "runtime/init.hpp"
+#include "runtime/safepoint.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "services/memTracker.hpp"
+#include "utilities/macros.hpp"
+
+
+// Initialization done by VM thread in vm_init_globals()
+void check_ThreadShadow();
+void eventlog_init();
+void mutex_init();
+void chunkpool_init();
+void perfMemory_init();
+void SuspendibleThreadSet_init() NOT_ALL_GCS_RETURN;
+
+// Initialization done by Java thread in init_globals()
+void management_init();
+void bytecodes_init();
+void classLoader_init1();
+void compilationPolicy_init();
+void codeCache_init();
+void VM_Version_init();
+void os_init_globals();        // depends on VM_Version_init, before universe_init
+void stubRoutines_init1();
+jint universe_init();          // depends on codeCache_init and stubRoutines_init
+void interpreter_init();       // before any methods loaded
+void invocationCounter_init(); // before any methods loaded
+void marksweep_init();
+void accessFlags_init();
+void templateTable_init();
+void InterfaceSupport_init();
+void universe2_init();  // dependent on codeCache_init and stubRoutines_init, loads primordial classes
+void referenceProcessor_init();
+void jni_handles_init();
+void vmStructs_init();
+
+void vtableStubs_init();
+void InlineCacheBuffer_init();
+void compilerOracle_init();
+bool compileBroker_init();
+void dependencyContext_init();
+
+// Initialization after compiler initialization
+bool universe_post_init();  // must happen after compiler_init
+void javaClasses_init();  // must happen after vtable initialization
+void stubRoutines_init2(); // note: StubRoutines need 2-phase init
+
+// Do not disable thread-local-storage, as it is important for some
+// JNI/JVM/JVMTI functions and signal handlers to work properly
+// during VM shutdown
+void perfMemory_exit();
+void ostream_exit();
+
+void vm_init_globals() {
+  check_ThreadShadow();
+  basic_types_init();
+  eventlog_init();
+  mutex_init();
+  chunkpool_init();
+  perfMemory_init();
+  SuspendibleThreadSet_init();
+}
+
+
+jint init_globals() {
+  HandleMark hm;
+  management_init();
+  bytecodes_init();
+  classLoader_init1();
+  compilationPolicy_init();
+  codeCache_init();
+  VM_Version_init();
+  os_init_globals();
+  stubRoutines_init1();
+  jint status = universe_init();  // dependent on codeCache_init and
+                                  // stubRoutines_init1 and metaspace_init.
+  if (status != JNI_OK)
+    return status;
+
+  interpreter_init();  // before any methods loaded
+  invocationCounter_init();  // before any methods loaded
+  marksweep_init();
+  accessFlags_init();
+  templateTable_init();
+  InterfaceSupport_init();
+  SharedRuntime::generate_stubs();
+  universe2_init();  // dependent on codeCache_init and stubRoutines_init1
+  referenceProcessor_init();
+  jni_handles_init();
+#if INCLUDE_VM_STRUCTS
+  vmStructs_init();
+#endif // INCLUDE_VM_STRUCTS
+
+  vtableStubs_init();
+  InlineCacheBuffer_init();
+  compilerOracle_init();
+  dependencyContext_init();
+
+  if (!compileBroker_init()) {
+    return JNI_EINVAL;
+  }
+  VMRegImpl::set_regName();
+
+  if (!universe_post_init()) {
+    return JNI_ERR;
+  }
+  javaClasses_init();   // must happen after vtable initialization
+  stubRoutines_init2(); // note: StubRoutines need 2-phase init
+  MethodHandles::generate_adapters();
+
+#if INCLUDE_NMT
+  // Solaris stack is walkable only after stubRoutines are set up.
+  // On Other platforms, the stack is always walkable.
+  NMT_stack_walkable = true;
+#endif // INCLUDE_NMT
+
+  // All the flags that get adjusted by VM_Version_init and os::init_2
+  // have been set so dump the flags now.
+  if (PrintFlagsFinal || PrintFlagsRanges) {
+    CommandLineFlags::printFlags(tty, false, PrintFlagsRanges);
+  }
+
+  return JNI_OK;
+}
+
+
+void exit_globals() {
+  static bool destructorsCalled = false;
+  if (!destructorsCalled) {
+    destructorsCalled = true;
+    perfMemory_exit();
+    if (PrintSafepointStatistics) {
+      // Print the collected safepoint statistics.
+      SafepointSynchronize::print_stat_on_exit();
+    }
+    if (PrintStringTableStatistics) {
+      SymbolTable::dump(tty);
+      StringTable::dump(tty);
+    }
+    ostream_exit();
+  }
+}
+
+static volatile bool _init_completed = false;
+
+bool is_init_completed() {
+  return _init_completed;
+}
+
+
+void set_init_completed() {
+  assert(Universe::is_fully_initialized(), "Should have completed initialization");
+  _init_completed = true;
+}