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src/share/vm/runtime/stubCodeGenerator.cpp

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rev 8555 : 8206406: StubCodeDesc constructor publishes partially-constructed objects on StubCodeDesc::_list
Reviewed-by: dholmes


  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  */
  24 
  25 #include "precompiled.hpp"
  26 #include "asm/macroAssembler.hpp"
  27 #include "asm/macroAssembler.inline.hpp"
  28 #include "code/codeCache.hpp"
  29 #include "compiler/disassembler.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "prims/forte.hpp"
  32 #include "runtime/stubCodeGenerator.hpp"
  33 
  34 
  35 // Implementation of StubCodeDesc
  36 
  37 StubCodeDesc* StubCodeDesc::_list = NULL;
  38 int           StubCodeDesc::_count = 0;
  39 
  40 
  41 StubCodeDesc* StubCodeDesc::desc_for(address pc) {
  42   StubCodeDesc* p = _list;
  43   while (p != NULL && !p->contains(pc)) p = p->_next;
  44   // p == NULL || p->contains(pc)
  45   return p;
  46 }
  47 
  48 
  49 StubCodeDesc* StubCodeDesc::desc_for_index(int index) {
  50   StubCodeDesc* p = _list;
  51   while (p != NULL && p->index() != index) p = p->_next;
  52   return p;
  53 }
  54 
  55 
  56 const char* StubCodeDesc::name_for(address pc) {
  57   StubCodeDesc* p = desc_for(pc);
  58   return p == NULL ? NULL : p->name();
  59 }
  60 
  61 
  62 void StubCodeDesc::print_on(outputStream* st) const {
  63   st->print("%s", group());
  64   st->print("::");
  65   st->print("%s", name());
  66   st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", p2i(begin()), p2i(end()), size_in_bytes());
  67 }
  68 
  69 // Implementation of StubCodeGenerator
  70 




  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  */
  24 
  25 #include "precompiled.hpp"
  26 #include "asm/macroAssembler.hpp"
  27 #include "asm/macroAssembler.inline.hpp"
  28 #include "code/codeCache.hpp"
  29 #include "compiler/disassembler.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "prims/forte.hpp"
  32 #include "runtime/stubCodeGenerator.hpp"
  33 
  34 
  35 // Implementation of StubCodeDesc
  36 
  37 StubCodeDesc* volatile StubCodeDesc::_list = NULL;
  38 int                    StubCodeDesc::_count = 0;
  39 
  40 
  41 StubCodeDesc* StubCodeDesc::desc_for(address pc) {
  42   StubCodeDesc* p = (StubCodeDesc*)OrderAccess::load_ptr_acquire(&_list);
  43   while (p != NULL && !p->contains(pc)) p = p->_next;
  44   // p == NULL || p->contains(pc)
  45   return p;
  46 }
  47 
  48 
  49 StubCodeDesc* StubCodeDesc::desc_for_index(int index) {
  50   StubCodeDesc* p = (StubCodeDesc*)OrderAccess::load_ptr_acquire(&_list);
  51   while (p != NULL && p->index() != index) p = p->_next;
  52   return p;
  53 }
  54 
  55 
  56 const char* StubCodeDesc::name_for(address pc) {
  57   StubCodeDesc* p = desc_for(pc);
  58   return p == NULL ? NULL : p->name();
  59 }
  60 
  61 
  62 void StubCodeDesc::print_on(outputStream* st) const {
  63   st->print("%s", group());
  64   st->print("::");
  65   st->print("%s", name());
  66   st->print(" [" INTPTR_FORMAT ", " INTPTR_FORMAT "[ (%d bytes)", p2i(begin()), p2i(end()), size_in_bytes());
  67 }
  68 
  69 // Implementation of StubCodeGenerator
  70 


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