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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
| 6 | 6 |
| 7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
| 8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
| 9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
| 10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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| 1043 // - Adjust for the receiver. | 1043 // - Adjust for the receiver. |
| 1044 __ Sub(temp_argv, temp_argv, 1 * kPointerSize); | 1044 __ Sub(temp_argv, temp_argv, 1 * kPointerSize); |
| 1045 } | 1045 } |
| 1046 | 1046 |
| 1047 // Reserve three slots to preserve x21-x23 callee-saved registers. If the | 1047 // Reserve three slots to preserve x21-x23 callee-saved registers. If the |
| 1048 // result size is too large to be returned in registers then also reserve | 1048 // result size is too large to be returned in registers then also reserve |
| 1049 // space for the return value. | 1049 // space for the return value. |
| 1050 int extra_stack_space = 3 + (result_size() <= 2 ? 0 : result_size()); | 1050 int extra_stack_space = 3 + (result_size() <= 2 ? 0 : result_size()); |
| 1051 // Enter the exit frame. | 1051 // Enter the exit frame. |
| 1052 FrameScope scope(masm, StackFrame::MANUAL); | 1052 FrameScope scope(masm, StackFrame::MANUAL); |
| 1053 __ EnterExitFrame(save_doubles(), x10, extra_stack_space); | 1053 __ EnterExitFrame( |
| 1054 save_doubles(), x10, extra_stack_space, |
| 1055 is_builtin_exit() ? StackFrame::BUILTIN_EXIT : StackFrame::EXIT); |
| 1054 DCHECK(csp.Is(__ StackPointer())); | 1056 DCHECK(csp.Is(__ StackPointer())); |
| 1055 | 1057 |
| 1056 // Poke callee-saved registers into reserved space. | 1058 // Poke callee-saved registers into reserved space. |
| 1057 __ Poke(argv, 1 * kPointerSize); | 1059 __ Poke(argv, 1 * kPointerSize); |
| 1058 __ Poke(argc, 2 * kPointerSize); | 1060 __ Poke(argc, 2 * kPointerSize); |
| 1059 __ Poke(target, 3 * kPointerSize); | 1061 __ Poke(target, 3 * kPointerSize); |
| 1060 | 1062 |
| 1061 if (result_size() > 2) { | 1063 if (result_size() > 2) { |
| 1062 // Save the location of the return value into x8 for call. | 1064 // Save the location of the return value into x8 for call. |
| 1063 __ Add(x8, __ StackPointer(), Operand(4 * kPointerSize)); | 1065 __ Add(x8, __ StackPointer(), Operand(4 * kPointerSize)); |
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| 5720 kStackUnwindSpace, NULL, spill_offset, | 5722 kStackUnwindSpace, NULL, spill_offset, |
| 5721 return_value_operand, NULL); | 5723 return_value_operand, NULL); |
| 5722 } | 5724 } |
| 5723 | 5725 |
| 5724 #undef __ | 5726 #undef __ |
| 5725 | 5727 |
| 5726 } // namespace internal | 5728 } // namespace internal |
| 5727 } // namespace v8 | 5729 } // namespace v8 |
| 5728 | 5730 |
| 5729 #endif // V8_TARGET_ARCH_ARM64 | 5731 #endif // V8_TARGET_ARCH_ARM64 |
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