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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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95 #ifdef DEBUG | 95 #ifdef DEBUG |
96 bool AreAliased(Register reg1, | 96 bool AreAliased(Register reg1, |
97 Register reg2, | 97 Register reg2, |
98 Register reg3 = no_reg, | 98 Register reg3 = no_reg, |
99 Register reg4 = no_reg, | 99 Register reg4 = no_reg, |
100 Register reg5 = no_reg, | 100 Register reg5 = no_reg, |
101 Register reg6 = no_reg); | 101 Register reg6 = no_reg); |
102 #endif | 102 #endif |
103 | 103 |
104 | 104 |
| 105 enum TargetAddressStorageMode { |
| 106 CAN_INLINE_TARGET_ADDRESS, |
| 107 NEVER_INLINE_TARGET_ADDRESS |
| 108 }; |
| 109 |
105 // MacroAssembler implements a collection of frequently used macros. | 110 // MacroAssembler implements a collection of frequently used macros. |
106 class MacroAssembler: public Assembler { | 111 class MacroAssembler: public Assembler { |
107 public: | 112 public: |
108 // The isolate parameter can be NULL if the macro assembler should | 113 // The isolate parameter can be NULL if the macro assembler should |
109 // not use isolate-dependent functionality. In this case, it's the | 114 // not use isolate-dependent functionality. In this case, it's the |
110 // responsibility of the caller to never invoke such function on the | 115 // responsibility of the caller to never invoke such function on the |
111 // macro assembler. | 116 // macro assembler. |
112 MacroAssembler(Isolate* isolate, void* buffer, int size); | 117 MacroAssembler(Isolate* isolate, void* buffer, int size); |
113 | 118 |
114 // Jump, Call, and Ret pseudo instructions implementing inter-working. | 119 // Jump, Call, and Ret pseudo instructions implementing inter-working. |
115 void Jump(Register target, Condition cond = al); | 120 void Jump(Register target, Condition cond = al); |
116 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); | 121 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); |
117 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); | 122 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); |
118 static int CallSize(Register target, Condition cond = al); | 123 static int CallSize(Register target, Condition cond = al); |
119 void Call(Register target, Condition cond = al); | 124 void Call(Register target, Condition cond = al); |
120 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); | 125 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); |
121 static int CallSizeNotPredictableCodeSize(Address target, | 126 static int CallSizeNotPredictableCodeSize(Address target, |
122 RelocInfo::Mode rmode, | 127 RelocInfo::Mode rmode, |
123 Condition cond = al); | 128 Condition cond = al); |
124 void Call(Address target, RelocInfo::Mode rmode, Condition cond = al); | 129 void Call(Address target, RelocInfo::Mode rmode, |
| 130 Condition cond = al, |
| 131 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); |
125 int CallSize(Handle<Code> code, | 132 int CallSize(Handle<Code> code, |
126 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, | 133 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, |
127 TypeFeedbackId ast_id = TypeFeedbackId::None(), | 134 TypeFeedbackId ast_id = TypeFeedbackId::None(), |
128 Condition cond = al); | 135 Condition cond = al); |
129 void Call(Handle<Code> code, | 136 void Call(Handle<Code> code, |
130 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, | 137 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, |
131 TypeFeedbackId ast_id = TypeFeedbackId::None(), | 138 TypeFeedbackId ast_id = TypeFeedbackId::None(), |
132 Condition cond = al); | 139 Condition cond = al, |
| 140 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); |
133 void Ret(Condition cond = al); | 141 void Ret(Condition cond = al); |
134 | 142 |
135 // Emit code to discard a non-negative number of pointer-sized elements | 143 // Emit code to discard a non-negative number of pointer-sized elements |
136 // from the stack, clobbering only the sp register. | 144 // from the stack, clobbering only the sp register. |
137 void Drop(int count, Condition cond = al); | 145 void Drop(int count, Condition cond = al); |
138 | 146 |
139 void Ret(int drop, Condition cond = al); | 147 void Ret(int drop, Condition cond = al); |
140 | 148 |
141 // Swap two registers. If the scratch register is omitted then a slightly | 149 // Swap two registers. If the scratch register is omitted then a slightly |
142 // less efficient form using xor instead of mov is emitted. | 150 // less efficient form using xor instead of mov is emitted. |
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1411 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1419 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1412 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1420 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1413 #else | 1421 #else |
1414 #define ACCESS_MASM(masm) masm-> | 1422 #define ACCESS_MASM(masm) masm-> |
1415 #endif | 1423 #endif |
1416 | 1424 |
1417 | 1425 |
1418 } } // namespace v8::internal | 1426 } } // namespace v8::internal |
1419 | 1427 |
1420 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1428 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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