c1_MacroAssembler_sparc.hpp revision 0:a61af66fc99e 
1/*
2 * Copyright 1999-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25  void pd_init() { /* nothing to do */ }
26
27 public:
28   void try_allocate(
29    Register obj,                      // result: pointer to object after successful allocation
30    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
31    int      con_size_in_bytes,        // object size in bytes if   known at compile time
32    Register t1,                       // temp register
33    Register t2,                       // temp register
34    Label&   slow_case                 // continuation point if fast allocation fails
35  );
36
37  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
38  void initialize_body(Register base, Register index);
39
40  // locking/unlocking
41  void lock_object  (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
42  void unlock_object(Register Rmark, Register Roop, Register Rbox,                    Label& slow_case);
43
44  void initialize_object(
45    Register obj,                      // result: pointer to object after successful allocation
46    Register klass,                    // object klass
47    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
48    int      con_size_in_bytes,        // object size in bytes if   known at compile time
49    Register t1,                       // temp register
50    Register t2                        // temp register
51  );
52
53  // allocation of fixed-size objects
54  // (can also be used to allocate fixed-size arrays, by setting
55  // hdr_size correctly and storing the array length afterwards)
56  void allocate_object(
57    Register obj,                      // result: pointer to object after successful allocation
58    Register t1,                       // temp register
59    Register t2,                       // temp register
60    Register t3,                       // temp register
61    int      hdr_size,                 // object header size in words
62    int      obj_size,                 // object size in words
63    Register klass,                    // object klass
64    Label&   slow_case                 // continuation point if fast allocation fails
65  );
66
67  enum {
68    max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only
69  };
70
71  // allocation of arrays
72  void allocate_array(
73    Register obj,                      // result: pointer to array after successful allocation
74    Register len,                      // array length
75    Register t1,                       // temp register
76    Register t2,                       // temp register
77    Register t3,                       // temp register
78    int      hdr_size,                 // object header size in words
79    int      elt_size,                 // element size in bytes
80    Register klass,                    // object klass
81    Label&   slow_case                 // continuation point if fast allocation fails
82  );
83
84  // invalidates registers in this window
85  void invalidate_registers(bool iregisters, bool lregisters, bool oregisters,
86                            Register preserve1 = noreg, Register preserve2 = noreg);
87