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Issue 2106113002: Revert of [builtins] New frame type for exits to C++ builtins (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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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_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
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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936 // Move argv into the correct register. 936 // Move argv into the correct register.
937 __ mov(s1, a2); 937 __ mov(s1, a2);
938 } else { 938 } else {
939 // Compute the argv pointer in a callee-saved register. 939 // Compute the argv pointer in a callee-saved register.
940 __ Dlsa(s1, sp, a0, kPointerSizeLog2); 940 __ Dlsa(s1, sp, a0, kPointerSizeLog2);
941 __ Dsubu(s1, s1, kPointerSize); 941 __ Dsubu(s1, s1, kPointerSize);
942 } 942 }
943 943
944 // Enter the exit frame that transitions from JavaScript to C++. 944 // Enter the exit frame that transitions from JavaScript to C++.
945 FrameScope scope(masm, StackFrame::MANUAL); 945 FrameScope scope(masm, StackFrame::MANUAL);
946 __ EnterExitFrame(save_doubles(), 0, is_builtin_exit() 946 __ EnterExitFrame(save_doubles());
947 ? StackFrame::BUILTIN_EXIT
948 : StackFrame::EXIT);
949 947
950 // s0: number of arguments including receiver (C callee-saved) 948 // s0: number of arguments including receiver (C callee-saved)
951 // s1: pointer to first argument (C callee-saved) 949 // s1: pointer to first argument (C callee-saved)
952 // s2: pointer to builtin function (C callee-saved) 950 // s2: pointer to builtin function (C callee-saved)
953 951
954 // Prepare arguments for C routine. 952 // Prepare arguments for C routine.
955 // a0 = argc 953 // a0 = argc
956 __ mov(s0, a0); 954 __ mov(s0, a0);
957 __ mov(s2, a1); 955 __ mov(s2, a1);
958 956
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5454 kStackUnwindSpace, kInvalidStackOffset, 5452 kStackUnwindSpace, kInvalidStackOffset,
5455 return_value_operand, NULL); 5453 return_value_operand, NULL);
5456 } 5454 }
5457 5455
5458 #undef __ 5456 #undef __
5459 5457
5460 } // namespace internal 5458 } // namespace internal
5461 } // namespace v8 5459 } // namespace v8
5462 5460
5463 #endif // V8_TARGET_ARCH_MIPS64 5461 #endif // V8_TARGET_ARCH_MIPS64
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