--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/jvmci/jvmciCompiler.cpp	Thu May 28 15:36:48 2015 +0200
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2011, 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 "memory/oopFactory.hpp"
+#include "runtime/javaCalls.hpp"
+#include "jvmci/jvmciCompiler.hpp"
+#include "jvmci/jvmciEnv.hpp"
+#include "jvmci/jvmciRuntime.hpp"
+#include "runtime/compilationPolicy.hpp"
+#include "runtime/globals_extension.hpp"
+
+JVMCICompiler* JVMCICompiler::_instance = NULL;
+elapsedTimer JVMCICompiler::_codeInstallTimer;
+
+JVMCICompiler::JVMCICompiler() : AbstractCompiler(jvmci) {
+#ifdef COMPILERJVMCI
+  _bootstrapping = false;
+  _methodsCompiled = 0;
+#endif
+  assert(_instance == NULL, "only one instance allowed");
+  _instance = this;
+}
+
+// Initialization
+void JVMCICompiler::initialize() {
+#ifdef COMPILERJVMCI
+  if (!UseCompiler || !should_perform_init()) {
+    return;
+  }
+
+  BufferBlob* buffer_blob = JVMCIRuntime::initialize_buffer_blob();
+  if (buffer_blob == NULL) {
+    set_state(failed);
+  } else {
+    set_state(initialized);
+  }
+  // JVMCI is considered as application code so we need to
+  // stop the VM deferring compilation now.
+  CompilationPolicy::completed_vm_startup();
+#endif // COMPILERJVMCI
+}
+
+#ifdef COMPILERJVMCI
+void JVMCICompiler::bootstrap() {
+  JavaThread* THREAD = JavaThread::current();
+  _bootstrapping = true;
+  // Allow bootstrap to perform JVMCI compilations of itself
+  bool c1only = JVMCICompileWithC1Only;
+  JVMCICompileWithC1Only = false;
+  ResourceMark rm;
+  HandleMark hm;
+  if (PrintBootstrap) {
+    tty->print("Bootstrapping JVMCI");
+  }
+  jlong start = os::javaTimeMillis();
+
+  Array<Method*>* objectMethods = InstanceKlass::cast(SystemDictionary::Object_klass())->methods();
+  // Initialize compile queue with a selected set of methods.
+  int len = objectMethods->length();
+  for (int i = 0; i < len; i++) {
+    methodHandle mh = objectMethods->at(i);
+    if (!mh->is_native() && !mh->is_static() && !mh->is_initializer()) {
+      ResourceMark rm;
+      int hot_count = 10; // TODO: what's the appropriate value?
+      CompileBroker::compile_method(mh, InvocationEntryBci, CompLevel_full_optimization, mh, hot_count, "bootstrap", THREAD);
+    }
+  }
+
+  int qsize;
+  bool first_round = true;
+  int z = 0;
+  do {
+    // Loop until there is something in the queue.
+    do {
+      os::sleep(THREAD, 100, true);
+      qsize = CompileBroker::queue_size(CompLevel_full_optimization);
+    } while (first_round && qsize == 0);
+    first_round = false;
+    if (PrintBootstrap) {
+      while (z < (_methodsCompiled / 100)) {
+        ++z;
+        tty->print_raw(".");
+      }
+    }
+  } while (qsize != 0);
+
+  if (PrintBootstrap) {
+    tty->print_cr(" in " JLONG_FORMAT " ms (compiled %d methods)", os::javaTimeMillis() - start, _methodsCompiled);
+  }
+  JVMCICompileWithC1Only = c1only;
+  _bootstrapping = false;
+}
+
+void JVMCICompiler::compile_method(methodHandle method, int entry_bci, JVMCIEnv* env) {
+  JVMCI_EXCEPTION_CONTEXT
+
+  bool is_osr = entry_bci != InvocationEntryBci;
+  if (_bootstrapping && is_osr) {
+      // no OSR compilations during bootstrap - the compiler is just too slow at this point,
+      // and we know that there are no endless loops
+      return;
+  }
+
+  JVMCIRuntime::ensure_jvmci_class_loader_is_initialized();
+  HandleMark hm;
+  ResourceMark rm;
+  JavaValue result(T_VOID);
+  JavaCallArguments args;
+  args.push_long((jlong) (address) method());
+  args.push_int(entry_bci);
+  args.push_long((jlong) (address) env);
+  args.push_int(env->task()->compile_id());
+  JavaCalls::call_static(&result, SystemDictionary::CompilationTask_klass(), vmSymbols::compileMetaspaceMethod_name(), vmSymbols::compileMetaspaceMethod_signature(), &args, CHECK_ABORT);
+
+  _methodsCompiled++;
+}
+
+
+// Compilation entry point for methods
+void JVMCICompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
+  ShouldNotReachHere();
+}
+
+// Print compilation timers and statistics
+void JVMCICompiler::print_timers() {
+  print_compilation_timers();
+}
+
+#endif // COMPILERJVMCI
+
+// Print compilation timers and statistics
+void JVMCICompiler::print_compilation_timers() {
+  TRACE_jvmci_1("JVMCICompiler::print_timers");
+  tty->print_cr("       JVMCI code install time:        %6.3f s",    _codeInstallTimer.seconds());
+}
+
+void JVMCICompiler::compile_the_world() {
+  HandleMark hm;
+  JavaThread* THREAD = JavaThread::current();
+  TempNewSymbol name = SymbolTable::new_symbol("com/oracle/jvmci/hotspot/HotSpotJVMCIRuntime", CHECK_ABORT);
+  KlassHandle klass = JVMCIRuntime::load_required_class(name);
+  TempNewSymbol compileTheWorld = SymbolTable::new_symbol("compileTheWorld", CHECK_ABORT);
+  JavaValue result(T_VOID);
+  JavaCallArguments args;
+  args.push_oop(JVMCIRuntime::get_HotSpotJVMCIRuntime());
+  JavaCalls::call_special(&result, klass, compileTheWorld, vmSymbols::void_method_signature(), &args, CHECK_ABORT);
+}