Mercurial > hg > truffle
view src/share/vm/compiler/abstractCompiler.hpp @ 20259:4af19b914f53
8035393: Use CLDClosure instead of CLDToOopClosure in frame::oops_interpreted_do
Reviewed-by: tschatzl, coleenp
author | stefank |
---|---|
date | Fri, 21 Feb 2014 10:01:20 +0100 |
parents | 55fb97c4c58d |
children | 16e101c8691f |
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/* * Copyright (c) 1999, 2013, 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_VM_COMPILER_ABSTRACTCOMPILER_HPP #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP #include "ci/compilerInterface.hpp" class AbstractCompiler : public CHeapObj<mtCompiler> { private: volatile int _num_compiler_threads; protected: volatile int _compiler_state; // Used for tracking global state of compiler runtime initialization enum { uninitialized, initializing, initialized, failed, shut_down }; // This method returns true for the first compiler thread that reaches that methods. // This thread will initialize the compiler runtime. bool should_perform_init(); public: AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {} // This function determines the compiler thread that will perform the // shutdown of the corresponding compiler runtime. bool should_perform_shutdown(); // Name of this compiler virtual const char* name() = 0; // Missing feature tests virtual bool supports_native() { return true; } virtual bool supports_osr () { return true; } virtual bool can_compile_method(methodHandle method) { return true; } #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) virtual bool is_c1 () { return false; } virtual bool is_c2 () { return false; } virtual bool is_shark() { return false; } #else #ifdef COMPILER1 bool is_c1 () { return true; } bool is_c2 () { return false; } bool is_shark() { return false; } #endif // COMPILER1 #ifdef COMPILER2 bool is_c1 () { return false; } bool is_c2 () { return true; } bool is_shark() { return false; } #endif // COMPILER2 #ifdef SHARK bool is_c1 () { return false; } bool is_c2 () { return false; } bool is_shark() { return true; } #endif // SHARK #endif // TIERED // Customization virtual void initialize () = 0; void set_num_compiler_threads(int num) { _num_compiler_threads = num; } int num_compiler_threads() { return _num_compiler_threads; } // Get/set state of compiler objects bool is_initialized() { return _compiler_state == initialized; } bool is_failed () { return _compiler_state == failed;} void set_state (int state); void set_shut_down () { set_state(shut_down); } // Compilation entry point for methods virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { ShouldNotReachHere(); } // Print compilation timers and statistics virtual void print_timers() { ShouldNotReachHere(); } }; #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP