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src/share/vm/runtime/vmStructs.hpp

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rev 12377 : 8171090: Convert VMStruct_test to GTest
Reviewed-by: duke
   1 /*
   2  * Copyright (c) 2000, 2013, 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  *


  90   int32_t value;                   // Value of constant
  91 } VMIntConstantEntry;
  92 
  93 typedef struct {
  94   const char* name;                // Name of constant (example: "_thread_in_native")
  95   uint64_t value;                  // Value of constant
  96 } VMLongConstantEntry;
  97 
  98 typedef struct {
  99   const char* name;                // Name of address (example: "SharedRuntime::register_finalizer")
 100   void* value;                     // Value of address
 101 } VMAddressEntry;
 102 
 103 // This class is a friend of most classes, to be able to access
 104 // private fields
 105 class VMStructs {
 106 public:
 107   // The last entry is identified over in the serviceability agent by
 108   // the fact that it has a NULL fieldName
 109   static VMStructEntry localHotSpotVMStructs[];


 110 
 111   // The last entry is identified over in the serviceability agent by
 112   // the fact that it has a NULL typeName
 113   static VMTypeEntry   localHotSpotVMTypes[];


 114 
 115   // Table of integer constants required by the serviceability agent.
 116   // The last entry is identified over in the serviceability agent by
 117   // the fact that it has a NULL typeName
 118   static VMIntConstantEntry localHotSpotVMIntConstants[];


 119 
 120   // Table of long constants required by the serviceability agent.
 121   // The last entry is identified over in the serviceability agent by
 122   // the fact that it has a NULL typeName
 123   static VMLongConstantEntry localHotSpotVMLongConstants[];


 124 
 125   /**
 126    * Table of addresses.
 127    */
 128   static VMAddressEntry localHotSpotVMAddresses[];
 129 
 130   // This is used to run any checking code necessary for validation of
 131   // the data structure (debug build only)
 132   static void init();
 133 
 134 #ifndef PRODUCT
 135   // Execute unit tests
 136   static void test();
 137 #endif
 138 
 139 private:
 140   // Look up a type in localHotSpotVMTypes using strcmp() (debug build only).
 141   // Returns 1 if found, 0 if not.
 142   //  debug_only(static int findType(const char* typeName);)
 143   static int findType(const char* typeName);


   1 /*
   2  * Copyright (c) 2000, 2016, 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  *


  90   int32_t value;                   // Value of constant
  91 } VMIntConstantEntry;
  92 
  93 typedef struct {
  94   const char* name;                // Name of constant (example: "_thread_in_native")
  95   uint64_t value;                  // Value of constant
  96 } VMLongConstantEntry;
  97 
  98 typedef struct {
  99   const char* name;                // Name of address (example: "SharedRuntime::register_finalizer")
 100   void* value;                     // Value of address
 101 } VMAddressEntry;
 102 
 103 // This class is a friend of most classes, to be able to access
 104 // private fields
 105 class VMStructs {
 106 public:
 107   // The last entry is identified over in the serviceability agent by
 108   // the fact that it has a NULL fieldName
 109   static VMStructEntry localHotSpotVMStructs[];
 110   // The function to get localHotSpotVMStructs length
 111   static size_t localHotSpotVMStructsLength();
 112 
 113   // The last entry is identified over in the serviceability agent by
 114   // the fact that it has a NULL typeName
 115   static VMTypeEntry   localHotSpotVMTypes[];
 116   // The function to get localHotSpotVMTypes length
 117   static size_t localHotSpotVMTypesLength();
 118 
 119   // Table of integer constants required by the serviceability agent.
 120   // The last entry is identified over in the serviceability agent by
 121   // the fact that it has a NULL typeName
 122   static VMIntConstantEntry localHotSpotVMIntConstants[];
 123   // The function to get localHotSpotVMIntConstants length
 124   static size_t localHotSpotVMIntConstantsLength();
 125 
 126   // Table of long constants required by the serviceability agent.
 127   // The last entry is identified over in the serviceability agent by
 128   // the fact that it has a NULL typeName
 129   static VMLongConstantEntry localHotSpotVMLongConstants[];
 130   // The function to get localHotSpotVMIntConstants length
 131   static size_t localHotSpotVMLongConstantsLength();
 132 
 133   /**
 134    * Table of addresses.
 135    */
 136   static VMAddressEntry localHotSpotVMAddresses[];
 137 
 138   // This is used to run any checking code necessary for validation of
 139   // the data structure (debug build only)
 140   static void init();
 141 
 142 #ifndef PRODUCT
 143   // Execute unit tests
 144   static void test();
 145 #endif
 146 
 147 private:
 148   // Look up a type in localHotSpotVMTypes using strcmp() (debug build only).
 149   // Returns 1 if found, 0 if not.
 150   //  debug_only(static int findType(const char* typeName);)
 151   static int findType(const char* typeName);


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