c1_MacroAssembler_sparc.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 1999, 2010, 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.
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23 */
24
25#ifndef CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
26#define CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
27
28  void pd_init() { /* nothing to do */ }
29
30 public:
31   void try_allocate(
32    Register obj,                      // result: pointer to object after successful allocation
33    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
34    int      con_size_in_bytes,        // object size in bytes if   known at compile time
35    Register t1,                       // temp register
36    Register t2,                       // temp register
37    Label&   slow_case                 // continuation point if fast allocation fails
38  );
39
40  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
41  void initialize_body(Register base, Register index);
42
43  // locking/unlocking
44  void lock_object  (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
45  void unlock_object(Register Rmark, Register Roop, Register Rbox,                    Label& slow_case);
46
47  void initialize_object(
48    Register obj,                      // result: pointer to object after successful allocation
49    Register klass,                    // object klass
50    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
51    int      con_size_in_bytes,        // object size in bytes if   known at compile time
52    Register t1,                       // temp register
53    Register t2                        // temp register
54  );
55
56  // allocation of fixed-size objects
57  // (can also be used to allocate fixed-size arrays, by setting
58  // hdr_size correctly and storing the array length afterwards)
59  void allocate_object(
60    Register obj,                      // result: pointer to object after successful allocation
61    Register t1,                       // temp register
62    Register t2,                       // temp register
63    Register t3,                       // temp register
64    int      hdr_size,                 // object header size in words
65    int      obj_size,                 // object size in words
66    Register klass,                    // object klass
67    Label&   slow_case                 // continuation point if fast allocation fails
68  );
69
70  enum {
71    max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
72  };
73
74  // allocation of arrays
75  void allocate_array(
76    Register obj,                      // result: pointer to array after successful allocation
77    Register len,                      // array length
78    Register t1,                       // temp register
79    Register t2,                       // temp register
80    Register t3,                       // temp register
81    int      hdr_size,                 // object header size in words
82    int      elt_size,                 // element size in bytes
83    Register klass,                    // object klass
84    Label&   slow_case                 // continuation point if fast allocation fails
85  );
86
87  // invalidates registers in this window
88  void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
89                            Register preserve1 = noreg, Register preserve2 = noreg);
90
91#endif // CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP
92