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  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/allocation.inline.hpp"
  27 #include "utilities/bitMap.inline.hpp"
  28 #include "utilities/copy.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "os_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "os_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 #endif



  38 
  39 
  40 BitMap::BitMap(bm_word_t* map, idx_t size_in_bits) :
  41   _map(map), _size(size_in_bits)
  42 {
  43   assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption.");
  44   assert(size_in_bits >= 0, "just checking");
  45 }
  46 
  47 
  48 BitMap::BitMap(idx_t size_in_bits, bool in_resource_area) :
  49   _map(NULL), _size(0)
  50 {
  51   assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption.");
  52   resize(size_in_bits, in_resource_area);
  53 }
  54 
  55 void BitMap::resize(idx_t size_in_bits, bool in_resource_area) {
  56   assert(size_in_bits >= 0, "just checking");
  57   idx_t old_size_in_words = size_in_words();

  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  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/allocation.inline.hpp"
  27 #include "utilities/bitMap.inline.hpp"
  28 #include "utilities/copy.hpp"
  29 #ifdef TARGET_OS_FAMILY_linux
  30 # include "os_linux.inline.hpp"
  31 #endif
  32 #ifdef TARGET_OS_FAMILY_solaris
  33 # include "os_solaris.inline.hpp"
  34 #endif
  35 #ifdef TARGET_OS_FAMILY_windows
  36 # include "os_windows.inline.hpp"
  37 #endif
  38 #ifdef TARGET_OS_FAMILY_bsd
  39 # include "os_bsd.inline.hpp"
  40 #endif
  41 
  42 
  43 BitMap::BitMap(bm_word_t* map, idx_t size_in_bits) :
  44   _map(map), _size(size_in_bits)
  45 {
  46   assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption.");
  47   assert(size_in_bits >= 0, "just checking");
  48 }
  49 
  50 
  51 BitMap::BitMap(idx_t size_in_bits, bool in_resource_area) :
  52   _map(NULL), _size(0)
  53 {
  54   assert(sizeof(bm_word_t) == BytesPerWord, "Implementation assumption.");
  55   resize(size_in_bits, in_resource_area);
  56 }
  57 
  58 void BitMap::resize(idx_t size_in_bits, bool in_resource_area) {
  59   assert(size_in_bits >= 0, "just checking");
  60   idx_t old_size_in_words = size_in_words();