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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 5 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/frames.h" | 10 #include "src/frames.h" |
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94 | 94 |
95 | 95 |
96 // Returns the size of a call in instructions. Note, the value returned is | 96 // Returns the size of a call in instructions. Note, the value returned is |
97 // only valid as long as no entries are added to the constant pool between | 97 // only valid as long as no entries are added to the constant pool between |
98 // checking the call size and emitting the actual call. | 98 // checking the call size and emitting the actual call. |
99 static int CallSize(Register target, Condition cond = al); | 99 static int CallSize(Register target, Condition cond = al); |
100 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); | 100 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); |
101 int CallStubSize(CodeStub* stub, | 101 int CallStubSize(CodeStub* stub, |
102 TypeFeedbackId ast_id = TypeFeedbackId::None(), | 102 TypeFeedbackId ast_id = TypeFeedbackId::None(), |
103 Condition cond = al); | 103 Condition cond = al); |
104 static int CallSizeNotPredictableCodeSize(Isolate* isolate, | |
105 Address target, | |
106 RelocInfo::Mode rmode, | |
107 Condition cond = al); | |
108 | 104 |
109 // Jump, Call, and Ret pseudo instructions implementing inter-working. | 105 // Jump, Call, and Ret pseudo instructions implementing inter-working. |
110 void Jump(Register target, Condition cond = al); | 106 void Jump(Register target, Condition cond = al); |
111 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); | 107 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); |
112 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); | 108 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); |
113 void Call(Register target, Condition cond = al); | 109 void Call(Register target, Condition cond = al); |
114 void Call(Address target, RelocInfo::Mode rmode, | 110 void Call(Address target, RelocInfo::Mode rmode, |
115 Condition cond = al, | 111 Condition cond = al, |
116 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); | 112 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); |
| 113 void Call(Handle<Code> code, RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, |
| 114 TypeFeedbackId ast_id = TypeFeedbackId::None(), Condition cond = al, |
| 115 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); |
117 int CallSize(Handle<Code> code, | 116 int CallSize(Handle<Code> code, |
118 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, | 117 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, |
119 TypeFeedbackId ast_id = TypeFeedbackId::None(), | 118 TypeFeedbackId ast_id = TypeFeedbackId::None(), |
120 Condition cond = al); | 119 Condition cond = al); |
121 void Call(Handle<Code> code, | |
122 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, | |
123 TypeFeedbackId ast_id = TypeFeedbackId::None(), | |
124 Condition cond = al, | |
125 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); | |
126 void Ret(Condition cond = al); | 120 void Ret(Condition cond = al); |
127 | 121 |
| 122 // Used for patching in calls to the deoptimizer. |
| 123 void CallDeoptimizer(Address target); |
| 124 static int CallDeoptimizerSize(); |
| 125 |
128 // Emit code to discard a non-negative number of pointer-sized elements | 126 // Emit code to discard a non-negative number of pointer-sized elements |
129 // from the stack, clobbering only the sp register. | 127 // from the stack, clobbering only the sp register. |
130 void Drop(int count, Condition cond = al); | 128 void Drop(int count, Condition cond = al); |
131 void Drop(Register count, Condition cond = al); | 129 void Drop(Register count, Condition cond = al); |
132 | 130 |
133 void Ret(int drop, Condition cond = al); | 131 void Ret(int drop, Condition cond = al); |
134 | 132 |
135 // Swap two registers. If the scratch register is omitted then a slightly | 133 // Swap two registers. If the scratch register is omitted then a slightly |
136 // less efficient form using xor instead of mov is emitted. | 134 // less efficient form using xor instead of mov is emitted. |
137 void Swap(Register reg1, | 135 void Swap(Register reg1, |
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1577 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1575 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1578 #else | 1576 #else |
1579 #define ACCESS_MASM(masm) masm-> | 1577 #define ACCESS_MASM(masm) masm-> |
1580 #endif | 1578 #endif |
1581 | 1579 |
1582 | 1580 |
1583 } // namespace internal | 1581 } // namespace internal |
1584 } // namespace v8 | 1582 } // namespace v8 |
1585 | 1583 |
1586 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1584 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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