< prev index next >

src/share/vm/utilities/exceptions.cpp

Print this page
rev 13180 : imported patch 8181917-refactor-ul-logstream


  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  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 #include "compiler/compileBroker.hpp"
  29 #include "logging/log.hpp"

  30 #include "memory/resourceArea.hpp"
  31 #include "oops/oop.inline.hpp"
  32 #include "runtime/init.hpp"
  33 #include "runtime/java.hpp"
  34 #include "runtime/javaCalls.hpp"
  35 #include "runtime/thread.inline.hpp"
  36 #include "runtime/threadCritical.hpp"
  37 #include "utilities/events.hpp"
  38 #include "utilities/exceptions.hpp"
  39 
  40 // Implementation of ThreadShadow
  41 void check_ThreadShadow() {
  42   const ByteSize offset1 = byte_offset_of(ThreadShadow, _pending_exception);
  43   const ByteSize offset2 = Thread::pending_exception_offset();
  44   if (offset1 != offset2) fatal("ThreadShadow::_pending_exception is not positioned correctly");
  45 }
  46 
  47 
  48 void ThreadShadow::set_pending_exception(oop exception, const char* file, int line) {
  49   assert(exception != NULL && exception->is_oop(), "invalid exception oop");
  50   _pending_exception = exception;
  51   _exception_file    = file;
  52   _exception_line    = line;
  53 }
  54 
  55 void ThreadShadow::clear_pending_exception() {
  56   if (_pending_exception != NULL && log_is_enabled(Debug, exceptions)) {

  57     ResourceMark rm;
  58     outputStream* logst = Log(exceptions)::debug_stream();
  59     logst->print("Thread::clear_pending_exception: cleared exception:");
  60     _pending_exception->print_on(logst);
  61   }
  62   _pending_exception = NULL;
  63   _exception_file    = NULL;
  64   _exception_line    = 0;
  65 }
  66 // Implementation of Exceptions
  67 
  68 bool Exceptions::special_exception(Thread* thread, const char* file, int line, Handle h_exception) {
  69   // bootstrapping check
  70   if (!Universe::is_fully_initialized()) {
  71    vm_exit_during_initialization(h_exception);
  72    ShouldNotReachHere();
  73   }
  74 
  75 #ifdef ASSERT
  76   // Check for trying to throw stack overflow before initialization is complete
  77   // to prevent infinite recursion trying to initialize stack overflow without
  78   // adequate stack space.
  79   // This can happen with stress testing a large value of StackShadowPages
  80   if (h_exception()->klass() == SystemDictionary::StackOverflowError_klass()) {




  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  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 #include "compiler/compileBroker.hpp"
  29 #include "logging/log.hpp"
  30 #include "logging/logStream.hpp"
  31 #include "memory/resourceArea.hpp"
  32 #include "oops/oop.inline.hpp"
  33 #include "runtime/init.hpp"
  34 #include "runtime/java.hpp"
  35 #include "runtime/javaCalls.hpp"
  36 #include "runtime/thread.inline.hpp"
  37 #include "runtime/threadCritical.hpp"
  38 #include "utilities/events.hpp"
  39 #include "utilities/exceptions.hpp"
  40 
  41 // Implementation of ThreadShadow
  42 void check_ThreadShadow() {
  43   const ByteSize offset1 = byte_offset_of(ThreadShadow, _pending_exception);
  44   const ByteSize offset2 = Thread::pending_exception_offset();
  45   if (offset1 != offset2) fatal("ThreadShadow::_pending_exception is not positioned correctly");
  46 }
  47 
  48 
  49 void ThreadShadow::set_pending_exception(oop exception, const char* file, int line) {
  50   assert(exception != NULL && exception->is_oop(), "invalid exception oop");
  51   _pending_exception = exception;
  52   _exception_file    = file;
  53   _exception_line    = line;
  54 }
  55 
  56 void ThreadShadow::clear_pending_exception() {
  57   LogTarget(Debug, exceptions) lt;
  58   if (_pending_exception != NULL && lt.is_enabled()) {
  59     ResourceMark rm;
  60     LogStream ls(lt);
  61     ls.print("Thread::clear_pending_exception: cleared exception:");
  62     _pending_exception->print_on(&ls);
  63   }
  64   _pending_exception = NULL;
  65   _exception_file    = NULL;
  66   _exception_line    = 0;
  67 }
  68 // Implementation of Exceptions
  69 
  70 bool Exceptions::special_exception(Thread* thread, const char* file, int line, Handle h_exception) {
  71   // bootstrapping check
  72   if (!Universe::is_fully_initialized()) {
  73    vm_exit_during_initialization(h_exception);
  74    ShouldNotReachHere();
  75   }
  76 
  77 #ifdef ASSERT
  78   // Check for trying to throw stack overflow before initialization is complete
  79   // to prevent infinite recursion trying to initialize stack overflow without
  80   // adequate stack space.
  81   // This can happen with stress testing a large value of StackShadowPages
  82   if (h_exception()->klass() == SystemDictionary::StackOverflowError_klass()) {


< prev index next >