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src/hotspot/share/code/codeHeapState.hpp

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rev 54097 : 8216314: SIGILL in CodeHeapState::print_names()
Reviewed-by: thartmann, kvn
   1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2018 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *


  78   static void discard_SizeDistArray(outputStream* out);
  79 
  80   static void update_SizeDistArray(outputStream* out, unsigned int len);
  81 
  82   static const char* get_heapName(CodeHeap* heap);
  83   static unsigned int findHeapIndex(outputStream* out, const char* heapName);
  84   static void get_HeapStatGlobals(outputStream* out, const char* heapName);
  85   static void set_HeapStatGlobals(outputStream* out, const char* heapName);
  86 
  87   static void printBox(outputStream* out, const char border, const char* text1, const char* text2);
  88   static void print_blobType_legend(outputStream* out);
  89   static void print_space_legend(outputStream* out);
  90   static void print_age_legend(outputStream* out);
  91   static void print_blobType_single(outputStream *ast, u2 /* blobType */ type);
  92   static void print_count_single(outputStream *ast, unsigned short count);
  93   static void print_space_single(outputStream *ast, unsigned short space);
  94   static void print_age_single(outputStream *ast, unsigned int age);
  95   static void print_line_delim(outputStream* out, bufferedStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
  96   static void print_line_delim(outputStream* out, outputStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
  97   static blobType get_cbType(CodeBlob* cb);

  98 
  99  public:
 100   static void discard(outputStream* out, CodeHeap* heap);
 101   static void aggregate(outputStream* out, CodeHeap* heap, size_t granularity);
 102   static void print_usedSpace(outputStream* out, CodeHeap* heap);
 103   static void print_freeSpace(outputStream* out, CodeHeap* heap);
 104   static void print_count(outputStream* out, CodeHeap* heap);
 105   static void print_space(outputStream* out, CodeHeap* heap);
 106   static void print_age(outputStream* out, CodeHeap* heap);
 107   static void print_names(outputStream* out, CodeHeap* heap);
 108 };
 109 
 110 //----------------
 111 //  StatElement
 112 //----------------
 113 //  Each analysis granule is represented by an instance of
 114 //  this StatElement struct. It collects and aggregates all
 115 //  information describing the allocated contents of the granule.
 116 //  Free (unallocated) contents is not considered (see FreeBlk for that).
 117 //  All StatElements of a heap segment are stored in the related StatArray.


   1 /*
   2  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2018, 2019 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *


  78   static void discard_SizeDistArray(outputStream* out);
  79 
  80   static void update_SizeDistArray(outputStream* out, unsigned int len);
  81 
  82   static const char* get_heapName(CodeHeap* heap);
  83   static unsigned int findHeapIndex(outputStream* out, const char* heapName);
  84   static void get_HeapStatGlobals(outputStream* out, const char* heapName);
  85   static void set_HeapStatGlobals(outputStream* out, const char* heapName);
  86 
  87   static void printBox(outputStream* out, const char border, const char* text1, const char* text2);
  88   static void print_blobType_legend(outputStream* out);
  89   static void print_space_legend(outputStream* out);
  90   static void print_age_legend(outputStream* out);
  91   static void print_blobType_single(outputStream *ast, u2 /* blobType */ type);
  92   static void print_count_single(outputStream *ast, unsigned short count);
  93   static void print_space_single(outputStream *ast, unsigned short space);
  94   static void print_age_single(outputStream *ast, unsigned int age);
  95   static void print_line_delim(outputStream* out, bufferedStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
  96   static void print_line_delim(outputStream* out, outputStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
  97   static blobType get_cbType(CodeBlob* cb);
  98   static bool blob_access_is_safe(CodeBlob* this_blob, CodeBlob* prev_blob);
  99 
 100  public:
 101   static void discard(outputStream* out, CodeHeap* heap);
 102   static void aggregate(outputStream* out, CodeHeap* heap, size_t granularity);
 103   static void print_usedSpace(outputStream* out, CodeHeap* heap);
 104   static void print_freeSpace(outputStream* out, CodeHeap* heap);
 105   static void print_count(outputStream* out, CodeHeap* heap);
 106   static void print_space(outputStream* out, CodeHeap* heap);
 107   static void print_age(outputStream* out, CodeHeap* heap);
 108   static void print_names(outputStream* out, CodeHeap* heap);
 109 };
 110 
 111 //----------------
 112 //  StatElement
 113 //----------------
 114 //  Each analysis granule is represented by an instance of
 115 //  this StatElement struct. It collects and aggregates all
 116 //  information describing the allocated contents of the granule.
 117 //  Free (unallocated) contents is not considered (see FreeBlk for that).
 118 //  All StatElements of a heap segment are stored in the related StatArray.


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