hotspot/src/share/vm/compiler/compilerOracle.hpp
author coleenp
Wed, 21 May 2014 14:36:18 -0400
changeset 24658 e41df2fc6e87
parent 12981 b557c10f5444
child 26430 7f20c536cd5b
permissions -rw-r--r--
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

/*
 * Copyright (c) 1998, 2014, 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.
 *
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#ifndef SHARE_VM_COMPILER_COMPILERORACLE_HPP
#define SHARE_VM_COMPILER_COMPILERORACLE_HPP

#include "memory/allocation.hpp"
#include "oops/oopsHierarchy.hpp"

// CompilerOracle is an interface for turning on and off compilation
// for some methods

class CompilerOracle : AllStatic {
 private:
  static bool _quiet;

 public:

  // True if the command file has been specified or is implicit
  static bool has_command_file();

  // Reads from file and adds to lists
  static void parse_from_file();

  // Tells whether we to exclude compilation of method
  static bool should_exclude(methodHandle method, bool& quietly);

  // Tells whether we want to inline this method
  static bool should_inline(methodHandle method);

  // Tells whether we want to disallow inlining of this method
  static bool should_not_inline(methodHandle method);

  // Tells whether we should print the assembly for this method
  static bool should_print(methodHandle method);

  // Tells whether we should log the compilation data for this method
  static bool should_log(methodHandle method);

  // Tells whether to break when compiling method
  static bool should_break_at(methodHandle method);

  // Check to see if this method has option set for it
  static bool has_option_string(methodHandle method, const char * option);

  // Reads from string instead of file
  static void parse_from_string(const char* command_string, void (*parser)(char*));

  static void parse_from_line(char* line);
  static void parse_compile_only(char * line);

  // For updating the oracle file
  static void append_comment_to_file(const char* message);
  static void append_exclude_to_file(methodHandle method);

  // Tells whether there are any methods to print for print_method_statistics()
  static bool should_print_methods();
};

#endif // SHARE_VM_COMPILER_COMPILERORACLE_HPP