/*
* Copyright (c) 2011, 2019, 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.
*/
#ifndef SHARE_JVMCI_JVMCICOMPILER_HPP
#define SHARE_JVMCI_JVMCICOMPILER_HPP
#include "compiler/abstractCompiler.hpp"
#include "jvmci/jvmciEnv.hpp"
#include "utilities/exceptions.hpp"
class JVMCICompiler : public AbstractCompiler {
private:
bool _bootstrapping;
/**
* True if we have seen a bootstrap compilation request.
*/
volatile bool _bootstrap_compilation_request_handled;
/**
* Number of methods successfully compiled by a call to
* JVMCICompiler::compile_method().
*/
volatile int _methods_compiled;
static JVMCICompiler* _instance;
static elapsedTimer _codeInstallTimer;
/**
* Exits the VM due to an unexpected exception.
*/
static void exit_on_pending_exception(oop exception, const char* message);
public:
JVMCICompiler();
static JVMCICompiler* instance(bool require_non_null, TRAPS) {
if (!EnableJVMCI) {
THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "JVMCI is not enabled")
}
if (_instance == NULL && require_non_null) {
THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "The JVMCI compiler instance has not been created");
}
return _instance;
}
virtual const char* name() { return "JVMCI"; }
virtual bool supports_native() { return true; }
virtual bool supports_osr () { return true; }
bool is_jvmci() { return true; }
bool is_c1 () { return false; }
bool is_c2 () { return false; }
bool needs_stubs () { return false; }
// Initialization
virtual void initialize();
/**
* Initialize the compile queue with the methods in java.lang.Object and
* then wait until the queue is empty.
*/
void bootstrap(TRAPS);
bool is_bootstrapping() const { return _bootstrapping; }
// Compilation entry point for methods
virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive);
void compile_method(const methodHandle& target, int entry_bci, JVMCIEnv* env);
// Print compilation timers and statistics
virtual void print_timers();
/**
* Gets the number of methods that have been successfully compiled by
* a call to JVMCICompiler::compile_method().
*/
int methods_compiled() { return _methods_compiled; }
// Print compilation timers and statistics
static void print_compilation_timers();
static elapsedTimer* codeInstallTimer() { return &_codeInstallTimer; }
};
#endif // SHARE_JVMCI_JVMCICOMPILER_HPP