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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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583 DwVfpRegister double_scratch0, | 583 DwVfpRegister double_scratch0, |
584 LowDwVfpRegister double_scratch1, | 584 LowDwVfpRegister double_scratch1, |
585 Label* not_int32); | 585 Label* not_int32); |
586 | 586 |
587 // Generates function and stub prologue code. | 587 // Generates function and stub prologue code. |
588 void StubPrologue(StackFrame::Type type); | 588 void StubPrologue(StackFrame::Type type); |
589 void Prologue(bool code_pre_aging); | 589 void Prologue(bool code_pre_aging); |
590 | 590 |
591 // Enter exit frame. | 591 // Enter exit frame. |
592 // stack_space - extra stack space, used for alignment before call to C. | 592 // stack_space - extra stack space, used for alignment before call to C. |
593 void EnterExitFrame(bool save_doubles, int stack_space = 0, | 593 void EnterExitFrame(bool save_doubles, int stack_space = 0); |
594 StackFrame::Type frame_type = StackFrame::EXIT); | |
595 | 594 |
596 // Leave the current exit frame. Expects the return value in r0. | 595 // Leave the current exit frame. Expects the return value in r0. |
597 // Expect the number of values, pushed prior to the exit frame, to | 596 // Expect the number of values, pushed prior to the exit frame, to |
598 // remove in a register (or no_reg, if there is nothing to remove). | 597 // remove in a register (or no_reg, if there is nothing to remove). |
599 void LeaveExitFrame(bool save_doubles, Register argument_count, | 598 void LeaveExitFrame(bool save_doubles, Register argument_count, |
600 bool restore_context, | 599 bool restore_context, |
601 bool argument_count_is_length = false); | 600 bool argument_count_is_length = false); |
602 | 601 |
603 // Get the actual activation frame alignment for target environment. | 602 // Get the actual activation frame alignment for target environment. |
604 static int ActivationFrameAlignment(); | 603 static int ActivationFrameAlignment(); |
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1160 int num_reg_arguments, | 1159 int num_reg_arguments, |
1161 int num_double_arguments); | 1160 int num_double_arguments); |
1162 void CallCFunction(Register function, | 1161 void CallCFunction(Register function, |
1163 int num_reg_arguments, | 1162 int num_reg_arguments, |
1164 int num_double_arguments); | 1163 int num_double_arguments); |
1165 | 1164 |
1166 void MovFromFloatParameter(DwVfpRegister dst); | 1165 void MovFromFloatParameter(DwVfpRegister dst); |
1167 void MovFromFloatResult(DwVfpRegister dst); | 1166 void MovFromFloatResult(DwVfpRegister dst); |
1168 | 1167 |
1169 // Jump to a runtime routine. | 1168 // Jump to a runtime routine. |
1170 void JumpToExternalReference(const ExternalReference& builtin, | 1169 void JumpToExternalReference(const ExternalReference& builtin); |
1171 bool builtin_exit_frame = false); | |
1172 | 1170 |
1173 Handle<Object> CodeObject() { | 1171 Handle<Object> CodeObject() { |
1174 DCHECK(!code_object_.is_null()); | 1172 DCHECK(!code_object_.is_null()); |
1175 return code_object_; | 1173 return code_object_; |
1176 } | 1174 } |
1177 | 1175 |
1178 | 1176 |
1179 // Emit code for a truncating division by a constant. The dividend register is | 1177 // Emit code for a truncating division by a constant. The dividend register is |
1180 // unchanged and ip gets clobbered. Dividend and result must be different. | 1178 // unchanged and ip gets clobbered. Dividend and result must be different. |
1181 void TruncatingDiv(Register result, Register dividend, int32_t divisor); | 1179 void TruncatingDiv(Register result, Register dividend, int32_t divisor); |
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1578 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1576 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1579 #else | 1577 #else |
1580 #define ACCESS_MASM(masm) masm-> | 1578 #define ACCESS_MASM(masm) masm-> |
1581 #endif | 1579 #endif |
1582 | 1580 |
1583 | 1581 |
1584 } // namespace internal | 1582 } // namespace internal |
1585 } // namespace v8 | 1583 } // namespace v8 |
1586 | 1584 |
1587 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1585 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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