src/share/vm/classfile/javaAssertions.hpp

Fri, 23 Mar 2012 11:16:05 -0400

author
coleenp
date
Fri, 23 Mar 2012 11:16:05 -0400
changeset 3682
fc9d8850ab8b
parent 2314
f95d63e2154a
child 3900
d2a62e0f25eb
permissions
-rw-r--r--

7150058: Allocate symbols from null boot loader to an arena for NMT
Summary: Move symbol allocation to an arena so NMT doesn't have to track them at startup.
Reviewed-by: never, kamg, zgu

     1 /*
     2  * Copyright (c) 2000, 2010, 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  */
    25 #ifndef SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP
    26 #define SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP
    28 #include "oops/objArrayOop.hpp"
    29 #include "oops/typeArrayOop.hpp"
    30 #include "utilities/exceptions.hpp"
    31 #include "utilities/ostream.hpp"
    33 class JavaAssertions: AllStatic {
    34 public:
    35   static inline bool userClassDefault();
    36   static inline void setUserClassDefault(bool enabled);
    37   static inline bool systemClassDefault();
    38   static inline void setSystemClassDefault(bool enabled);
    40   // Add a command-line option.  A name ending in "..." applies to a package and
    41   // any subpackages; other names apply to a single class.
    42   static void addOption(const char* name, bool enable);
    44   // Return true if command-line options have enabled assertions for the named
    45   // class.  Should be called only after all command-line options have been
    46   // processed.  Note:  this only consults command-line options and does not
    47   // account for any dynamic changes to assertion status.
    48   static bool enabled(const char* classname, bool systemClass);
    50   // Create an instance of java.lang.AssertionStatusDirectives and fill in the
    51   // fields based on the command-line assertion options.
    52   static oop createAssertionStatusDirectives(TRAPS);
    54 private:
    55   class OptionList;
    56   static void fillJavaArrays(const OptionList* p, int len, objArrayHandle names,
    57     typeArrayHandle status, TRAPS);
    59   static inline void trace(const char* name, const char* typefound,
    60     const char* namefound, bool enabled);
    62   static inline OptionList*     match_class(const char* classname);
    63   static OptionList*            match_package(const char* classname);
    65   static bool           _userDefault;   // User class default (-ea/-da).
    66   static bool           _sysDefault;    // System class default (-esa/-dsa).
    67   static OptionList*    _classes;       // Options for classes.
    68   static OptionList*    _packages;      // Options for package trees.
    69 };
    71 class JavaAssertions::OptionList: public CHeapObj {
    72 public:
    73   inline OptionList(const char* name, bool enable, OptionList* next);
    75   inline const char*    name() const    { return _name; }
    76   inline bool           enabled() const { return _enabled; }
    77   inline OptionList*    next() const    { return _next; }
    79   static int count(OptionList* p);
    81 private:
    82   const char*   _name;
    83   OptionList*   _next;
    84   bool          _enabled;
    85 };
    87 inline bool JavaAssertions::userClassDefault() {
    88   return _userDefault;
    89 }
    91 inline void JavaAssertions::setUserClassDefault(bool enabled) {
    92   if (TraceJavaAssertions)
    93     tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);
    94   _userDefault = enabled;
    95 }
    97 inline bool JavaAssertions::systemClassDefault() {
    98   return _sysDefault;
    99 }
   101 inline void JavaAssertions::setSystemClassDefault(bool enabled) {
   102   if (TraceJavaAssertions)
   103     tty->print_cr("JavaAssertions::setSystemClassDefault(%d)", enabled);
   104   _sysDefault = enabled;
   105 }
   107 #endif // SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP

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