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  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "assembler_zero.inline.hpp"

  28 #include "memory/resourceArea.hpp"
  29 #include "nativeInst_zero.hpp"

  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/handles.hpp"
  32 #include "runtime/sharedRuntime.hpp"
  33 #include "runtime/stubRoutines.hpp"
  34 #include "utilities/ostream.hpp"
  35 #ifdef COMPILER1
  36 #include "c1/c1_Runtime1.hpp"
  37 #endif
  38 
  39 // This method is called by nmethod::make_not_entrant_or_zombie to
  40 // insert a jump to SharedRuntime::get_handle_wrong_method_stub()
  41 // (dest) at the start of a compiled method (verified_entry) to avoid
  42 // a race where a method is invoked while being made non-entrant.
  43 //
  44 // In Shark, verified_entry is a pointer to a SharkEntry.  We can
  45 // handle this simply by changing it's entry point to point at the
  46 // interpreter.  This only works because the interpreter and Shark
  47 // calling conventions are the same.
  48 
  49 void NativeJump::patch_verified_entry(address entry,

   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  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "assembler_zero.inline.hpp"
  28 #include "interpreter/cppInterpreter.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "nativeInst_zero.hpp"
  31 #include "entry_zero.hpp"
  32 #include "oops/oop.inline.hpp"
  33 #include "runtime/handles.hpp"
  34 #include "runtime/sharedRuntime.hpp"
  35 #include "runtime/stubRoutines.hpp"
  36 #include "utilities/ostream.hpp"
  37 #ifdef COMPILER1
  38 #include "c1/c1_Runtime1.hpp"
  39 #endif
  40 
  41 // This method is called by nmethod::make_not_entrant_or_zombie to
  42 // insert a jump to SharedRuntime::get_handle_wrong_method_stub()
  43 // (dest) at the start of a compiled method (verified_entry) to avoid
  44 // a race where a method is invoked while being made non-entrant.
  45 //
  46 // In Shark, verified_entry is a pointer to a SharkEntry.  We can
  47 // handle this simply by changing it's entry point to point at the
  48 // interpreter.  This only works because the interpreter and Shark
  49 // calling conventions are the same.
  50 
  51 void NativeJump::patch_verified_entry(address entry,