c1_FrameMap_sparc.hpp revision 1499:e9ff18c4ace7 
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.
22 *
23 */
24
25 public:
26
27  enum {
28    nof_reg_args = 6,   // registers o0-o5 are available for parameter passing
29    first_available_sp_in_frame = frame::memory_parameter_word_sp_offset * BytesPerWord,
30    frame_pad_in_bytes = 0
31  };
32
33  static const int pd_c_runtime_reserved_arg_size;
34
35  static LIR_Opr G0_opr;
36  static LIR_Opr G1_opr;
37  static LIR_Opr G2_opr;
38  static LIR_Opr G3_opr;
39  static LIR_Opr G4_opr;
40  static LIR_Opr G5_opr;
41  static LIR_Opr G6_opr;
42  static LIR_Opr G7_opr;
43  static LIR_Opr O0_opr;
44  static LIR_Opr O1_opr;
45  static LIR_Opr O2_opr;
46  static LIR_Opr O3_opr;
47  static LIR_Opr O4_opr;
48  static LIR_Opr O5_opr;
49  static LIR_Opr O6_opr;
50  static LIR_Opr O7_opr;
51  static LIR_Opr L0_opr;
52  static LIR_Opr L1_opr;
53  static LIR_Opr L2_opr;
54  static LIR_Opr L3_opr;
55  static LIR_Opr L4_opr;
56  static LIR_Opr L5_opr;
57  static LIR_Opr L6_opr;
58  static LIR_Opr L7_opr;
59  static LIR_Opr I0_opr;
60  static LIR_Opr I1_opr;
61  static LIR_Opr I2_opr;
62  static LIR_Opr I3_opr;
63  static LIR_Opr I4_opr;
64  static LIR_Opr I5_opr;
65  static LIR_Opr I6_opr;
66  static LIR_Opr I7_opr;
67
68  static LIR_Opr SP_opr;
69  static LIR_Opr FP_opr;
70
71  static LIR_Opr G0_oop_opr;
72  static LIR_Opr G1_oop_opr;
73  static LIR_Opr G2_oop_opr;
74  static LIR_Opr G3_oop_opr;
75  static LIR_Opr G4_oop_opr;
76  static LIR_Opr G5_oop_opr;
77  static LIR_Opr G6_oop_opr;
78  static LIR_Opr G7_oop_opr;
79  static LIR_Opr O0_oop_opr;
80  static LIR_Opr O1_oop_opr;
81  static LIR_Opr O2_oop_opr;
82  static LIR_Opr O3_oop_opr;
83  static LIR_Opr O4_oop_opr;
84  static LIR_Opr O5_oop_opr;
85  static LIR_Opr O6_oop_opr;
86  static LIR_Opr O7_oop_opr;
87  static LIR_Opr L0_oop_opr;
88  static LIR_Opr L1_oop_opr;
89  static LIR_Opr L2_oop_opr;
90  static LIR_Opr L3_oop_opr;
91  static LIR_Opr L4_oop_opr;
92  static LIR_Opr L5_oop_opr;
93  static LIR_Opr L6_oop_opr;
94  static LIR_Opr L7_oop_opr;
95  static LIR_Opr I0_oop_opr;
96  static LIR_Opr I1_oop_opr;
97  static LIR_Opr I2_oop_opr;
98  static LIR_Opr I3_oop_opr;
99  static LIR_Opr I4_oop_opr;
100  static LIR_Opr I5_oop_opr;
101  static LIR_Opr I6_oop_opr;
102  static LIR_Opr I7_oop_opr;
103
104  static LIR_Opr in_long_opr;
105  static LIR_Opr out_long_opr;
106
107  static LIR_Opr F0_opr;
108  static LIR_Opr F0_double_opr;
109
110  static LIR_Opr Oexception_opr;
111  static LIR_Opr Oissuing_pc_opr;
112
113 private:
114  static FloatRegister  _fpu_regs [nof_fpu_regs];
115
116 public:
117
118#ifdef _LP64
119  static LIR_Opr as_long_opr(Register r) {
120    return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r));
121  }
122  static LIR_Opr as_pointer_opr(Register r) {
123    return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r));
124  }
125#else
126  static LIR_Opr as_long_opr(Register r) {
127    return LIR_OprFact::double_cpu(cpu_reg2rnr(r->successor()), cpu_reg2rnr(r));
128  }
129  static LIR_Opr as_pointer_opr(Register r) {
130    return as_opr(r);
131  }
132#endif
133  static LIR_Opr as_float_opr(FloatRegister r) {
134    return LIR_OprFact::single_fpu(r->encoding());
135  }
136  static LIR_Opr as_double_opr(FloatRegister r) {
137    return LIR_OprFact::double_fpu(r->successor()->encoding(), r->encoding());
138  }
139
140  static FloatRegister nr2floatreg (int rnr);
141
142  static VMReg fpu_regname (int n);
143
144  static bool is_caller_save_register (LIR_Opr  reg);
145  static bool is_caller_save_register (Register r);
146