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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 #if V8_TARGET_ARCH_ARM | 5 #if V8_TARGET_ARCH_ARM |
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/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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847 // Move argv into the correct register. | 847 // Move argv into the correct register. |
848 __ mov(r1, Operand(r2)); | 848 __ mov(r1, Operand(r2)); |
849 } else { | 849 } else { |
850 // Compute the argv pointer in a callee-saved register. | 850 // Compute the argv pointer in a callee-saved register. |
851 __ add(r1, sp, Operand(r0, LSL, kPointerSizeLog2)); | 851 __ add(r1, sp, Operand(r0, LSL, kPointerSizeLog2)); |
852 __ sub(r1, r1, Operand(kPointerSize)); | 852 __ sub(r1, r1, Operand(kPointerSize)); |
853 } | 853 } |
854 | 854 |
855 // Enter the exit frame that transitions from JavaScript to C++. | 855 // Enter the exit frame that transitions from JavaScript to C++. |
856 FrameScope scope(masm, StackFrame::MANUAL); | 856 FrameScope scope(masm, StackFrame::MANUAL); |
857 __ EnterExitFrame(save_doubles(), 0, is_builtin_exit() | 857 __ EnterExitFrame(save_doubles()); |
858 ? StackFrame::BUILTIN_EXIT | |
859 : StackFrame::EXIT); | |
860 | 858 |
861 // Store a copy of argc in callee-saved registers for later. | 859 // Store a copy of argc in callee-saved registers for later. |
862 __ mov(r4, Operand(r0)); | 860 __ mov(r4, Operand(r0)); |
863 | 861 |
864 // r0, r4: number of arguments including receiver (C callee-saved) | 862 // r0, r4: number of arguments including receiver (C callee-saved) |
865 // r1: pointer to the first argument (C callee-saved) | 863 // r1: pointer to the first argument (C callee-saved) |
866 // r5: pointer to builtin function (C callee-saved) | 864 // r5: pointer to builtin function (C callee-saved) |
867 | 865 |
868 int frame_alignment = MacroAssembler::ActivationFrameAlignment(); | 866 int frame_alignment = MacroAssembler::ActivationFrameAlignment(); |
869 int frame_alignment_mask = frame_alignment - 1; | 867 int frame_alignment_mask = frame_alignment - 1; |
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5245 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, | 5243 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, |
5246 kStackUnwindSpace, NULL, return_value_operand, NULL); | 5244 kStackUnwindSpace, NULL, return_value_operand, NULL); |
5247 } | 5245 } |
5248 | 5246 |
5249 #undef __ | 5247 #undef __ |
5250 | 5248 |
5251 } // namespace internal | 5249 } // namespace internal |
5252 } // namespace v8 | 5250 } // namespace v8 |
5253 | 5251 |
5254 #endif // V8_TARGET_ARCH_ARM | 5252 #endif // V8_TARGET_ARCH_ARM |
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