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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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| 430 Pop(src3, src4, cond); | 430 Pop(src3, src4, cond); |
| 431 ldm(ia_w, sp, src1.bit() | src2.bit(), cond); | 431 ldm(ia_w, sp, src1.bit() | src2.bit(), cond); |
| 432 } | 432 } |
| 433 } else { | 433 } else { |
| 434 Pop(src2, src3, src4, cond); | 434 Pop(src2, src3, src4, cond); |
| 435 ldr(src1, MemOperand(sp, 4, PostIndex), cond); | 435 ldr(src1, MemOperand(sp, 4, PostIndex), cond); |
| 436 } | 436 } |
| 437 } | 437 } |
| 438 | 438 |
| 439 // Push a fixed frame, consisting of lr, fp, constant pool (if | 439 // Push a fixed frame, consisting of lr, fp, constant pool (if |
| 440 // FLAG_enable_ool_constant_pool), context and JS function / marker id if | 440 // FLAG_enable_embedded_constant_pool), context and JS function / marker id if |
| 441 // marker_reg is a valid register. | 441 // marker_reg is a valid register. |
| 442 void PushFixedFrame(Register marker_reg = no_reg); | 442 void PushFixedFrame(Register marker_reg = no_reg); |
| 443 void PopFixedFrame(Register marker_reg = no_reg); | 443 void PopFixedFrame(Register marker_reg = no_reg); |
| 444 | 444 |
| 445 // Push and pop the registers that can hold pointers, as defined by the | 445 // Push and pop the registers that can hold pointers, as defined by the |
| 446 // RegList constant kSafepointSavedRegisters. | 446 // RegList constant kSafepointSavedRegisters. |
| 447 void PushSafepointRegisters(); | 447 void PushSafepointRegisters(); |
| 448 void PopSafepointRegisters(); | 448 void PopSafepointRegisters(); |
| 449 // Store value in register src in the safepoint stack slot for | 449 // Store value in register src in the safepoint stack slot for |
| 450 // register dst. | 450 // register dst. |
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| 1434 TestJSArrayForAllocationMemento(receiver_reg, scratch_reg, | 1434 TestJSArrayForAllocationMemento(receiver_reg, scratch_reg, |
| 1435 &no_memento_found); | 1435 &no_memento_found); |
| 1436 b(eq, memento_found); | 1436 b(eq, memento_found); |
| 1437 bind(&no_memento_found); | 1437 bind(&no_memento_found); |
| 1438 } | 1438 } |
| 1439 | 1439 |
| 1440 // Jumps to found label if a prototype map has dictionary elements. | 1440 // Jumps to found label if a prototype map has dictionary elements. |
| 1441 void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0, | 1441 void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0, |
| 1442 Register scratch1, Label* found); | 1442 Register scratch1, Label* found); |
| 1443 | 1443 |
| 1444 // Loads the constant pool pointer (pp) register. |
| 1445 void LoadConstantPoolPointerRegisterFromCodeTargetAddress( |
| 1446 Register code_target_address); |
| 1447 void LoadConstantPoolPointerRegister(); |
| 1448 |
| 1444 private: | 1449 private: |
| 1445 void CallCFunctionHelper(Register function, | 1450 void CallCFunctionHelper(Register function, |
| 1446 int num_reg_arguments, | 1451 int num_reg_arguments, |
| 1447 int num_double_arguments); | 1452 int num_double_arguments); |
| 1448 | 1453 |
| 1449 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); | 1454 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); |
| 1450 | 1455 |
| 1451 // Helper functions for generating invokes. | 1456 // Helper functions for generating invokes. |
| 1452 void InvokePrologue(const ParameterCount& expected, | 1457 void InvokePrologue(const ParameterCount& expected, |
| 1453 const ParameterCount& actual, | 1458 const ParameterCount& actual, |
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| 1475 // the position of the first bit. Leaves addr_reg unchanged. | 1480 // the position of the first bit. Leaves addr_reg unchanged. |
| 1476 inline void GetMarkBits(Register addr_reg, | 1481 inline void GetMarkBits(Register addr_reg, |
| 1477 Register bitmap_reg, | 1482 Register bitmap_reg, |
| 1478 Register mask_reg); | 1483 Register mask_reg); |
| 1479 | 1484 |
| 1480 // Compute memory operands for safepoint stack slots. | 1485 // Compute memory operands for safepoint stack slots. |
| 1481 static int SafepointRegisterStackIndex(int reg_code); | 1486 static int SafepointRegisterStackIndex(int reg_code); |
| 1482 MemOperand SafepointRegisterSlot(Register reg); | 1487 MemOperand SafepointRegisterSlot(Register reg); |
| 1483 MemOperand SafepointRegistersAndDoublesSlot(Register reg); | 1488 MemOperand SafepointRegistersAndDoublesSlot(Register reg); |
| 1484 | 1489 |
| 1485 // Loads the constant pool pointer (pp) register. | |
| 1486 void LoadConstantPoolPointerRegister(); | |
| 1487 | |
| 1488 bool generating_stub_; | 1490 bool generating_stub_; |
| 1489 bool has_frame_; | 1491 bool has_frame_; |
| 1490 // This handle will be patched with the code object on installation. | 1492 // This handle will be patched with the code object on installation. |
| 1491 Handle<Object> code_object_; | 1493 Handle<Object> code_object_; |
| 1492 | 1494 |
| 1493 // Needs access to SafepointRegisterStackIndex for compiled frame | 1495 // Needs access to SafepointRegisterStackIndex for compiled frame |
| 1494 // traversal. | 1496 // traversal. |
| 1495 friend class StandardFrame; | 1497 friend class StandardFrame; |
| 1496 }; | 1498 }; |
| 1497 | 1499 |
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| 1553 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1555 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
| 1554 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1556 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
| 1555 #else | 1557 #else |
| 1556 #define ACCESS_MASM(masm) masm-> | 1558 #define ACCESS_MASM(masm) masm-> |
| 1557 #endif | 1559 #endif |
| 1558 | 1560 |
| 1559 | 1561 |
| 1560 } } // namespace v8::internal | 1562 } } // namespace v8::internal |
| 1561 | 1563 |
| 1562 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1564 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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