src/share/vm/memory/heap.cpp

rev 7793 : 8073315: Enable gcc -Wtype-limits and fix upcoming issues.
Summary: Relevant fixes in blockOffsetTable.cpp, os_linux.cpp, parCardTableModRefBS.cpp.

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2013, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2015, 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.
*** 50,71 ****
    _was_full                     = false;
  }
  
  
  void CodeHeap::mark_segmap_as_free(size_t beg, size_t end) {
!   assert(0   <= beg && beg <  _number_of_committed_segments, "interval begin out of bounds");
    assert(beg <  end && end <= _number_of_committed_segments, "interval end   out of bounds");
    // setup _segmap pointers for faster indexing
    address p = (address)_segmap.low() + beg;
    address q = (address)_segmap.low() + end;
    // initialize interval
    while (p < q) *p++ = free_sentinel;
  }
  
  
  void CodeHeap::mark_segmap_as_used(size_t beg, size_t end) {
!   assert(0   <= beg && beg <  _number_of_committed_segments, "interval begin out of bounds");
    assert(beg <  end && end <= _number_of_committed_segments, "interval end   out of bounds");
    // setup _segmap pointers for faster indexing
    address p = (address)_segmap.low() + beg;
    address q = (address)_segmap.low() + end;
    // initialize interval
--- 50,71 ----
    _was_full                     = false;
  }
  
  
  void CodeHeap::mark_segmap_as_free(size_t beg, size_t end) {
!   assert(              beg <  _number_of_committed_segments, "interval begin out of bounds");
    assert(beg <  end && end <= _number_of_committed_segments, "interval end   out of bounds");
    // setup _segmap pointers for faster indexing
    address p = (address)_segmap.low() + beg;
    address q = (address)_segmap.low() + end;
    // initialize interval
    while (p < q) *p++ = free_sentinel;
  }
  
  
  void CodeHeap::mark_segmap_as_used(size_t beg, size_t end) {
!   assert(              beg <  _number_of_committed_segments, "interval begin out of bounds");
    assert(beg <  end && end <= _number_of_committed_segments, "interval end   out of bounds");
    // setup _segmap pointers for faster indexing
    address p = (address)_segmap.low() + beg;
    address q = (address)_segmap.low() + end;
    // initialize interval