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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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| 918 // - Adjust for the receiver. | 918 // - Adjust for the receiver. |
| 919 __ Sub(temp_argv, temp_argv, 1 * kPointerSize); | 919 __ Sub(temp_argv, temp_argv, 1 * kPointerSize); |
| 920 } | 920 } |
| 921 | 921 |
| 922 // Reserve three slots to preserve x21-x23 callee-saved registers. If the | 922 // Reserve three slots to preserve x21-x23 callee-saved registers. If the |
| 923 // result size is too large to be returned in registers then also reserve | 923 // result size is too large to be returned in registers then also reserve |
| 924 // space for the return value. | 924 // space for the return value. |
| 925 int extra_stack_space = 3 + (result_size() <= 2 ? 0 : result_size()); | 925 int extra_stack_space = 3 + (result_size() <= 2 ? 0 : result_size()); |
| 926 // Enter the exit frame. | 926 // Enter the exit frame. |
| 927 FrameScope scope(masm, StackFrame::MANUAL); | 927 FrameScope scope(masm, StackFrame::MANUAL); |
| 928 __ EnterExitFrame(save_doubles(), x10, extra_stack_space); | 928 __ EnterExitFrame( |
| 929 save_doubles(), x10, extra_stack_space, |
| 930 is_builtin_exit() ? StackFrame::BUILTIN_EXIT : StackFrame::EXIT); |
| 929 DCHECK(csp.Is(__ StackPointer())); | 931 DCHECK(csp.Is(__ StackPointer())); |
| 930 | 932 |
| 931 // Poke callee-saved registers into reserved space. | 933 // Poke callee-saved registers into reserved space. |
| 932 __ Poke(argv, 1 * kPointerSize); | 934 __ Poke(argv, 1 * kPointerSize); |
| 933 __ Poke(argc, 2 * kPointerSize); | 935 __ Poke(argc, 2 * kPointerSize); |
| 934 __ Poke(target, 3 * kPointerSize); | 936 __ Poke(target, 3 * kPointerSize); |
| 935 | 937 |
| 936 if (result_size() > 2) { | 938 if (result_size() > 2) { |
| 937 // Save the location of the return value into x8 for call. | 939 // Save the location of the return value into x8 for call. |
| 938 __ Add(x8, __ StackPointer(), Operand(4 * kPointerSize)); | 940 __ Add(x8, __ StackPointer(), Operand(4 * kPointerSize)); |
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| 5595 kStackUnwindSpace, NULL, spill_offset, | 5597 kStackUnwindSpace, NULL, spill_offset, |
| 5596 return_value_operand, NULL); | 5598 return_value_operand, NULL); |
| 5597 } | 5599 } |
| 5598 | 5600 |
| 5599 #undef __ | 5601 #undef __ |
| 5600 | 5602 |
| 5601 } // namespace internal | 5603 } // namespace internal |
| 5602 } // namespace v8 | 5604 } // namespace v8 |
| 5603 | 5605 |
| 5604 #endif // V8_TARGET_ARCH_ARM64 | 5606 #endif // V8_TARGET_ARCH_ARM64 |
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