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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_X64_MACRO_ASSEMBLER_X64_H_ | 5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ |
| 6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ | 6 #define V8_X64_MACRO_ASSEMBLER_X64_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/base/flags.h" | 10 #include "src/base/flags.h" |
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| 335 // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack | 335 // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack |
| 336 // accessible via StackSpaceOperand. | 336 // accessible via StackSpaceOperand. |
| 337 void EnterExitFrame(int arg_stack_space = 0, bool save_doubles = false); | 337 void EnterExitFrame(int arg_stack_space = 0, bool save_doubles = false); |
| 338 | 338 |
| 339 // Enter specific kind of exit frame. Allocates arg_stack_space * kPointerSize | 339 // Enter specific kind of exit frame. Allocates arg_stack_space * kPointerSize |
| 340 // memory (not GCed) on the stack accessible via StackSpaceOperand. | 340 // memory (not GCed) on the stack accessible via StackSpaceOperand. |
| 341 void EnterApiExitFrame(int arg_stack_space); | 341 void EnterApiExitFrame(int arg_stack_space); |
| 342 | 342 |
| 343 // Leave the current exit frame. Expects/provides the return value in | 343 // Leave the current exit frame. Expects/provides the return value in |
| 344 // register rax:rdx (untouched) and the pointer to the first | 344 // register rax:rdx (untouched) and the pointer to the first |
| 345 // argument in register rsi (if pop_arguments == true). | 345 // argument in register rsi. |
| 346 void LeaveExitFrame(bool save_doubles = false, bool pop_arguments = true); | 346 void LeaveExitFrame(bool save_doubles = false); |
| 347 | 347 |
| 348 // Leave the current exit frame. Expects/provides the return value in | 348 // Leave the current exit frame. Expects/provides the return value in |
| 349 // register rax (untouched). | 349 // register rax (untouched). |
| 350 void LeaveApiExitFrame(bool restore_context); | 350 void LeaveApiExitFrame(bool restore_context); |
| 351 | 351 |
| 352 // Push and pop the registers that can hold pointers. | 352 // Push and pop the registers that can hold pointers. |
| 353 void PushSafepointRegisters() { Pushad(); } | 353 void PushSafepointRegisters() { Pushad(); } |
| 354 void PopSafepointRegisters() { Popad(); } | 354 void PopSafepointRegisters() { Popad(); } |
| 355 // Store the value in register src in the safepoint register stack | 355 // Store the value in register src in the safepoint register stack |
| 356 // slot for register dst. | 356 // slot for register dst. |
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| 1637 } \ | 1637 } \ |
| 1638 masm-> | 1638 masm-> |
| 1639 #else | 1639 #else |
| 1640 #define ACCESS_MASM(masm) masm-> | 1640 #define ACCESS_MASM(masm) masm-> |
| 1641 #endif | 1641 #endif |
| 1642 | 1642 |
| 1643 } // namespace internal | 1643 } // namespace internal |
| 1644 } // namespace v8 | 1644 } // namespace v8 |
| 1645 | 1645 |
| 1646 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1646 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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