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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_ASSEMBLER_ARM_H_ | 5 #ifndef VM_ASSEMBLER_ARM_H_ |
6 #define VM_ASSEMBLER_ARM_H_ | 6 #define VM_ASSEMBLER_ARM_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_arm.h directly; use assembler.h instead. | 9 #error Do not include assembler_arm.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
11 | 11 |
12 #include "platform/assert.h" | 12 #include "platform/assert.h" |
13 #include "vm/constants_arm.h" | 13 #include "vm/constants_arm.h" |
14 | 14 |
15 namespace dart { | 15 namespace dart { |
16 | 16 |
| 17 class Operand : public ValueObject { |
| 18 public: |
| 19 Operand(const Operand& other) : ValueObject() { |
| 20 UNIMPLEMENTED(); |
| 21 } |
| 22 |
| 23 Operand& operator=(const Operand& other) { |
| 24 UNIMPLEMENTED(); |
| 25 return *this; |
| 26 } |
| 27 |
| 28 protected: |
| 29 Operand() { } // Needed by subclass Address. |
| 30 }; |
| 31 |
| 32 |
| 33 class Address : public Operand { |
| 34 public: |
| 35 Address(Register base, int32_t disp) { |
| 36 UNIMPLEMENTED(); |
| 37 } |
| 38 |
| 39 Address(const Address& other) : Operand(other) { } |
| 40 |
| 41 Address& operator=(const Address& other) { |
| 42 Operand::operator=(other); |
| 43 return *this; |
| 44 } |
| 45 }; |
| 46 |
| 47 |
| 48 class FieldAddress : public Address { |
| 49 public: |
| 50 FieldAddress(Register base, int32_t disp) |
| 51 : Address(base, disp - kHeapObjectTag) { } |
| 52 |
| 53 FieldAddress(const FieldAddress& other) : Address(other) { } |
| 54 |
| 55 FieldAddress& operator=(const FieldAddress& other) { |
| 56 Address::operator=(other); |
| 57 return *this; |
| 58 } |
| 59 }; |
| 60 |
| 61 |
17 class Label : public ValueObject { | 62 class Label : public ValueObject { |
18 public: | 63 public: |
19 Label() : position_(0) { } | 64 Label() : position_(0) { } |
20 | 65 |
21 ~Label() { | 66 ~Label() { |
22 // Assert if label is being destroyed with unresolved branches pending. | 67 // Assert if label is being destroyed with unresolved branches pending. |
23 ASSERT(!IsLinked()); | 68 ASSERT(!IsLinked()); |
24 } | 69 } |
25 | 70 |
26 // Returns the position for bound and linked labels. Cannot be used | 71 // Returns the position for bound and linked labels. Cannot be used |
(...skipping 24 matching lines...) Expand all Loading... |
51 ASSERT(!IsBound()); | 96 ASSERT(!IsBound()); |
52 position_ = position + kWordSize; | 97 position_ = position + kWordSize; |
53 ASSERT(IsLinked()); | 98 ASSERT(IsLinked()); |
54 } | 99 } |
55 | 100 |
56 friend class Assembler; | 101 friend class Assembler; |
57 DISALLOW_COPY_AND_ASSIGN(Label); | 102 DISALLOW_COPY_AND_ASSIGN(Label); |
58 }; | 103 }; |
59 | 104 |
60 | 105 |
61 class Assembler { | 106 class CPUFeatures : public AllStatic { |
62 public: | 107 public: |
63 Assembler() { } | 108 static void InitOnce() { } |
| 109 static bool double_truncate_round_supported() { |
| 110 UNIMPLEMENTED(); |
| 111 return false; |
| 112 } |
| 113 }; |
| 114 |
| 115 |
| 116 class Assembler : public ValueObject { |
| 117 public: |
| 118 Assembler() { UNIMPLEMENTED(); } |
64 ~Assembler() { } | 119 ~Assembler() { } |
65 | 120 |
66 // Macros for High-level operations. | 121 void PopRegister(Register r) { |
67 void AddConstant(Register reg, int value, Condition cond = AL) { | 122 UNIMPLEMENTED(); |
| 123 } |
| 124 |
| 125 void Bind(Label* label) { |
68 UNIMPLEMENTED(); | 126 UNIMPLEMENTED(); |
69 } | 127 } |
70 | 128 |
71 // Misc. functionality | 129 // Misc. functionality |
72 int CodeSize() const { | 130 int CodeSize() const { |
73 UNIMPLEMENTED(); | 131 UNIMPLEMENTED(); |
74 return 0; | 132 return 0; |
75 } | 133 } |
76 int prologue_offset() const { | 134 int prologue_offset() const { |
77 UNIMPLEMENTED(); | 135 UNIMPLEMENTED(); |
(...skipping 10 matching lines...) Expand all Loading... |
88 // Debugging and bringup support. | 146 // Debugging and bringup support. |
89 void Stop(const char* message) { UNIMPLEMENTED(); } | 147 void Stop(const char* message) { UNIMPLEMENTED(); } |
90 void Unimplemented(const char* message); | 148 void Unimplemented(const char* message); |
91 void Untested(const char* message); | 149 void Untested(const char* message); |
92 void Unreachable(const char* message); | 150 void Unreachable(const char* message); |
93 | 151 |
94 static void InitializeMemoryWithBreakpoints(uword data, int length) { | 152 static void InitializeMemoryWithBreakpoints(uword data, int length) { |
95 UNIMPLEMENTED(); | 153 UNIMPLEMENTED(); |
96 } | 154 } |
97 | 155 |
| 156 void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3) { |
| 157 UNIMPLEMENTED(); |
| 158 } |
| 159 |
| 160 const Code::Comments& GetCodeComments() const { |
| 161 UNIMPLEMENTED(); |
| 162 return Code::Comments::New(0); |
| 163 } |
| 164 |
| 165 static const char* RegisterName(Register reg) { |
| 166 UNIMPLEMENTED(); |
| 167 return NULL; |
| 168 } |
| 169 |
| 170 static const char* FpuRegisterName(FpuRegister reg) { |
| 171 UNIMPLEMENTED(); |
| 172 return NULL; |
| 173 } |
| 174 |
98 private: | 175 private: |
99 ZoneGrowableArray<int>* pointer_offsets_; | 176 ZoneGrowableArray<int>* pointer_offsets_; |
100 DISALLOW_ALLOCATION(); | 177 DISALLOW_ALLOCATION(); |
101 DISALLOW_COPY_AND_ASSIGN(Assembler); | 178 DISALLOW_COPY_AND_ASSIGN(Assembler); |
102 }; | 179 }; |
103 | 180 |
104 } // namespace dart | 181 } // namespace dart |
105 | 182 |
106 #endif // VM_ASSEMBLER_ARM_H_ | 183 #endif // VM_ASSEMBLER_ARM_H_ |
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