c1_MacroAssembler_ppc.hpp revision 10049:73443d24e529 
1/*
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26#ifndef CPU_PPC_VM_C1_MACROASSEMBLER_PPC_HPP
27#define CPU_PPC_VM_C1_MACROASSEMBLER_PPC_HPP
28
29  void pd_init() { /* nothing to do */ }
30
31 public:
32   void try_allocate(
33    Register obj,                      // result: pointer to object after successful allocation
34    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
35    int      con_size_in_bytes,        // object size in bytes if   known at compile time
36    Register t1,                       // temp register
37    Register t2,                       // temp register
38    Label&   slow_case                 // continuation point if fast allocation fails
39  );
40
41  void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2);
42  void initialize_body(Register base, Register index);
43  void initialize_body(Register obj, Register tmp1, Register tmp2, int obj_size_in_bytes, int hdr_size_in_bytes);
44
45  // locking/unlocking
46  void lock_object  (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case);
47  void unlock_object(Register Rmark, Register Roop, Register Rbox,                    Label& slow_case);
48
49  void initialize_object(
50    Register obj,                      // result: pointer to object after successful allocation
51    Register klass,                    // object klass
52    Register var_size_in_bytes,        // object size in bytes if unknown at compile time; invalid otherwise
53    int      con_size_in_bytes,        // object size in bytes if   known at compile time
54    Register t1,                       // temp register
55    Register t2                        // temp register
56  );
57
58  // Allocation of fixed-size objects
59  // (Can also be used to allocate fixed-size arrays, by setting
60  // hdr_size correctly and storing the array length afterwards.)
61  void allocate_object(
62    Register obj,                      // result: pointer to object after successful allocation
63    Register t1,                       // temp register
64    Register t2,                       // temp register
65    Register t3,                       // temp register
66    int      hdr_size,                 // object header size in words
67    int      obj_size,                 // object size in words
68    Register klass,                    // object klass
69    Label&   slow_case                 // continuation point if fast allocation fails
70  );
71
72  enum {
73    max_array_allocation_length = 0x40000000 // ppc friendly value, requires lis only
74  };
75
76  // Allocation of arrays
77  void allocate_array(
78    Register obj,                      // result: pointer to array after successful allocation
79    Register len,                      // array length
80    Register t1,                       // temp register
81    Register t2,                       // temp register
82    Register t3,                       // temp register
83    int      hdr_size,                 // object header size in words
84    int      elt_size,                 // element size in bytes
85    Register klass,                    // object klass
86    Label&   slow_case                 // continuation point if fast allocation fails
87  );
88
89  void null_check(Register r, Label *Lnull = NULL);
90
91  address call_c_with_frame_resize(address dest, int frame_resize);
92
93#endif // CPU_PPC_VM_C1_MACROASSEMBLER_PPC_HPP
94