/*

 * Copyright 1999-2005 Sun Microsystems, Inc.  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.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

  void pd_init() { /* nothing to do */ }

 public:

   void try_allocate(

    Register obj,                      // result: pointer to object after successful allocation

    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise

    int      con_size_in_bytes,        // object size in bytes if   known at compile time

    Register t1,                       // temp register

    Register t2,                       // temp register

    Label&   slow_case                 // continuation point if fast allocation fails

  );

  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);

  void initialize_body(Register base, Register index);

  // locking/unlocking

  void lock_object  (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);

  void unlock_object(Register Rmark, Register Roop, Register Rbox,                    Label& slow_case);

  void initialize_object(

    Register obj,                      // result: pointer to object after successful allocation

    Register klass,                    // object klass

    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise

    int      con_size_in_bytes,        // object size in bytes if   known at compile time

    Register t1,                       // temp register

    Register t2                        // temp register

  );

  // allocation of fixed-size objects

  // (can also be used to allocate fixed-size arrays, by setting

  // hdr_size correctly and storing the array length afterwards)

  void allocate_object(

    Register obj,                      // result: pointer to object after successful allocation

    Register t1,                       // temp register

    Register t2,                       // temp register

    Register t3,                       // temp register

    int      hdr_size,                 // object header size in words

    int      obj_size,                 // object size in words

    Register klass,                    // object klass

    Label&   slow_case                 // continuation point if fast allocation fails

  );

  enum {

    max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only

  };

  // allocation of arrays

  void allocate_array(

    Register obj,                      // result: pointer to array after successful allocation

    Register len,                      // array length

    Register t1,                       // temp register

    Register t2,                       // temp register

    Register t3,                       // temp register

    int      hdr_size,                 // object header size in words

    int      elt_size,                 // element size in bytes

    Register klass,                    // object klass

    Label&   slow_case                 // continuation point if fast allocation fails

  );

  // invalidates registers in this window

  void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,

                            Register preserve1 = noreg, Register preserve2 = noreg);