hotspot/src/share/vm/compiler/compilerOracle.hpp
author coleenp
Wed, 21 May 2014 14:36:18 -0400
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8042727: nsk/jdb/unwatch/unwatch001 crash in InstanceKlass::methods_do(void (*)(Method*)) Summary: Only walk methods in instanceklass if the class is loaded Reviewed-by: dholmes, fparain
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/*
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 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_COMPILER_COMPILERORACLE_HPP
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#define SHARE_VM_COMPILER_COMPILERORACLE_HPP
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#include "memory/allocation.hpp"
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#include "oops/oopsHierarchy.hpp"
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// CompilerOracle is an interface for turning on and off compilation
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// for some methods
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class CompilerOracle : AllStatic {
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 private:
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  static bool _quiet;
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 public:
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  // True if the command file has been specified or is implicit
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  static bool has_command_file();
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  // Reads from file and adds to lists
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  static void parse_from_file();
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  // Tells whether we to exclude compilation of method
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  static bool should_exclude(methodHandle method, bool& quietly);
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  // Tells whether we want to inline this method
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  static bool should_inline(methodHandle method);
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  // Tells whether we want to disallow inlining of this method
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  static bool should_not_inline(methodHandle method);
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  // Tells whether we should print the assembly for this method
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  static bool should_print(methodHandle method);
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  // Tells whether we should log the compilation data for this method
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  static bool should_log(methodHandle method);
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  // Tells whether to break when compiling method
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  static bool should_break_at(methodHandle method);
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  // Check to see if this method has option set for it
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  static bool has_option_string(methodHandle method, const char * option);
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  // Reads from string instead of file
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  static void parse_from_string(const char* command_string, void (*parser)(char*));
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  static void parse_from_line(char* line);
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  static void parse_compile_only(char * line);
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  // For updating the oracle file
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  static void append_comment_to_file(const char* message);
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  static void append_exclude_to_file(methodHandle method);
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  // Tells whether there are any methods to print for print_method_statistics()
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  static bool should_print_methods();
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};
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#endif // SHARE_VM_COMPILER_COMPILERORACLE_HPP