1/*
2 * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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#ifndef CPU_ARM_VM_C1_MACROASSEMBLER_ARM_HPP
26#define CPU_ARM_VM_C1_MACROASSEMBLER_ARM_HPP
27
28 private:
29
30  void pd_init() { /* not used */ }
31
32 public:
33
34  // Puts address of allocated object into register `obj` and end of allocated object into register `obj_end`.
35  // `size_expression` should be a register or constant which can be used as immediate in "add" instruction.
36  void try_allocate(Register obj, Register obj_end, Register tmp1, Register tmp2,
37                    RegisterOrConstant size_expression, Label& slow_case);
38
39  void initialize_header(Register obj, Register klass, Register len, Register tmp);
40
41  // Cleans object body [base..obj_end]. Clobbers `base` and `tmp` registers.
42  void initialize_body(Register base, Register obj_end, Register tmp);
43
44  void initialize_object(Register obj, Register obj_end, Register klass,
45                         Register len, Register tmp1, Register tmp2,
46                         RegisterOrConstant header_size_expression, int obj_size_in_bytes,
47                         bool is_tlab_allocated);
48
49  void allocate_object(Register obj, Register tmp1, Register tmp2, Register tmp3,
50                       int header_size, int object_size,
51                       Register klass, Label& slow_case);
52
53  void allocate_array(Register obj, Register len,
54                      Register tmp1, Register tmp2, Register tmp3,
55                      int header_size, int element_size,
56                      Register klass, Label& slow_case);
57
58  enum {
59    max_array_allocation_length = 0x01000000
60  };
61
62  int lock_object(Register hdr, Register obj, Register disp_hdr, Register tmp, Label& slow_case);
63
64  void unlock_object(Register hdr, Register obj, Register disp_hdr, Register tmp, Label& slow_case);
65
66  // This platform only uses signal-based null checks. The Label is not needed.
67  void null_check(Register r, Label *Lnull = NULL) { MacroAssembler::null_check(r); }
68
69#endif // CPU_ARM_VM_C1_MACROASSEMBLER_ARM_HPP
70