/*

 * Copyright (c) 2008, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef CPU_ARM_C1_MACROASSEMBLER_ARM_HPP

#define CPU_ARM_C1_MACROASSEMBLER_ARM_HPP

 private:

  void pd_init() { /* not used */ }

 public:

  // Puts address of allocated object into register `obj` and end of allocated object into register `obj_end`.

  // `size_expression` should be a register or constant which can be used as immediate in "add" instruction.

  void try_allocate(Register obj, Register obj_end, Register tmp1, Register tmp2,

                    RegisterOrConstant size_expression, Label& slow_case);

  void initialize_header(Register obj, Register klass, Register len, Register tmp);

  // Cleans object body [base..obj_end]. Clobbers `base` and `tmp` registers.

  void initialize_body(Register base, Register obj_end, Register tmp);

  void initialize_object(Register obj, Register obj_end, Register klass,

                         Register len, Register tmp1, Register tmp2,

                         RegisterOrConstant header_size_expression, int obj_size_in_bytes,

                         bool is_tlab_allocated);

  void allocate_object(Register obj, Register tmp1, Register tmp2, Register tmp3,

                       int header_size, int object_size,

                       Register klass, Label& slow_case);

  void allocate_array(Register obj, Register len,

                      Register tmp1, Register tmp2, Register tmp3,

                      int header_size, int element_size,

                      Register klass, Label& slow_case);

  enum {

    max_array_allocation_length = 0x01000000

  };

  int lock_object(Register hdr, Register obj, Register disp_hdr, Register tmp, Label& slow_case);

  void unlock_object(Register hdr, Register obj, Register disp_hdr, Register tmp, Label& slow_case);

  // This platform only uses signal-based null checks. The Label is not needed.

  void null_check(Register r, Label *Lnull = NULL) { MacroAssembler::null_check(r); }

#endif // CPU_ARM_C1_MACROASSEMBLER_ARM_HPP