compilerOracle.hpp revision 9191:a176d4737606
1/* 2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25#ifndef SHARE_VM_COMPILER_COMPILERORACLE_HPP 26#define SHARE_VM_COMPILER_COMPILERORACLE_HPP 27 28#include "memory/allocation.hpp" 29#include "oops/oopsHierarchy.hpp" 30 31// CompilerOracle is an interface for turning on and off compilation 32// for some methods 33 34class CompilerOracle : AllStatic { 35 private: 36 static bool _quiet; 37 static void print_tip(); 38 static void print_parse_error(const char*& error_msg, char* original_line); 39 40 public: 41 42 // True if the command file has been specified or is implicit 43 static bool has_command_file(); 44 45 // Reads from file and adds to lists 46 static void parse_from_file(); 47 48 // Tells whether we to exclude compilation of method 49 static bool should_exclude(methodHandle method); 50 static bool should_exclude_quietly() { return _quiet; } 51 52 // Tells whether we want to inline this method 53 static bool should_inline(methodHandle method); 54 55 // Tells whether we want to disallow inlining of this method 56 static bool should_not_inline(methodHandle method); 57 58 // Tells whether we should print the assembly for this method 59 static bool should_print(methodHandle method); 60 61 // Tells whether we should log the compilation data for this method 62 static bool should_log(methodHandle method); 63 64 // Tells whether to break when compiling method 65 static bool should_break_at(methodHandle method); 66 67 // Check to see if this method has option set for it 68 static bool has_option_string(methodHandle method, const char * option); 69 70 // Check if method has option and value set. If yes, overwrite value and return true, 71 // otherwise leave value unchanged and return false. 72 template<typename T> 73 static bool has_option_value(methodHandle method, const char* option, T& value); 74 75 // Fast check if there is any option available that compile control needs to know about 76 static bool has_any_option(); 77 78 // Reads from string instead of file 79 static void parse_from_string(const char* command_string, void (*parser)(char*)); 80 81 static void parse_from_line(char* line); 82 static void parse_compile_only(char * line); 83 84 // For updating the oracle file 85 static void append_comment_to_file(const char* message); 86 static void append_exclude_to_file(methodHandle method); 87 88 // Tells whether there are any methods to print for print_method_statistics() 89 static bool should_print_methods(); 90}; 91 92#endif // SHARE_VM_COMPILER_COMPILERORACLE_HPP 93