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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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