1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "registers_arm64.h"
18 
19 #include <ostream>
20 
21 namespace art {
22 namespace arm64 {
23 
24 static const char* kRegisterNames[] = {
25   "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9",
26   "x10", "x11", "x12", "x13", "x14", "x15", "ip0", "ip1", "x18", "x19",
27   "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "fp",
28   "lr", "sp", "xzr"
29 };
30 
31 static const char* kWRegisterNames[] = {
32   "w0", "w1", "w2", "w3", "w4", "w5", "w6", "w7", "w8", "w9",
33   "w10", "w11", "w12", "w13", "w14", "w15", "w16", "w17", "w18", "w19",
34   "w20", "w21", "w22", "w23", "w24", "w25", "w26", "w27", "w28", "w29",
35   "w30", "wsp", "wzr"
36 };
37 
operator <<(std::ostream & os,const XRegister & rhs)38 std::ostream& operator<<(std::ostream& os, const XRegister& rhs) {
39   if (rhs >= X0 && rhs < kNumberOfXRegisters) {
40     os << kRegisterNames[rhs];
41   } else {
42     os << "XRegister[" << static_cast<int>(rhs) << "]";
43   }
44   return os;
45 }
46 
operator <<(std::ostream & os,const WRegister & rhs)47 std::ostream& operator<<(std::ostream& os, const WRegister& rhs) {
48   if (rhs >= W0 && rhs < kNumberOfWRegisters) {
49     os << kWRegisterNames[rhs];
50   } else {
51     os << "WRegister[" << static_cast<int>(rhs) << "]";
52   }
53   return os;
54 }
55 
operator <<(std::ostream & os,const DRegister & rhs)56 std::ostream& operator<<(std::ostream& os, const DRegister& rhs) {
57   if (rhs >= D0 && rhs < kNumberOfDRegisters) {
58     os << "d" << static_cast<int>(rhs);
59   } else {
60     os << "DRegister[" << static_cast<int>(rhs) << "]";
61   }
62   return os;
63 }
64 
operator <<(std::ostream & os,const SRegister & rhs)65 std::ostream& operator<<(std::ostream& os, const SRegister& rhs) {
66   if (rhs >= S0 && rhs < kNumberOfSRegisters) {
67     os << "s" << static_cast<int>(rhs);
68   } else {
69     os << "SRegister[" << static_cast<int>(rhs) << "]";
70   }
71   return os;
72 }
73 
74 }  // namespace arm64
75 }  // namespace art
76