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Issue 174522: Use stack frame marker constants to mark arguments adaptor frame. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 3 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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46 __ incq(rax); 46 __ incq(rax);
47 __ JumpToBuiltin(ExternalReference(id)); 47 __ JumpToBuiltin(ExternalReference(id));
48 } 48 }
49 49
50 50
51 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { 51 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
52 __ push(rbp); 52 __ push(rbp);
53 __ movq(rbp, rsp); 53 __ movq(rbp, rsp);
54 54
55 // Store the arguments adaptor context sentinel. 55 // Store the arguments adaptor context sentinel.
56 __ push(Immediate(ArgumentsAdaptorFrame::SENTINEL)); 56 __ push(Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
57 57
58 // Push the function on the stack. 58 // Push the function on the stack.
59 __ push(rdi); 59 __ push(rdi);
60 60
61 // Preserve the number of arguments on the stack. Must preserve both 61 // Preserve the number of arguments on the stack. Must preserve both
62 // rax and rbx because these registers are used when copying the 62 // rax and rbx because these registers are used when copying the
63 // arguments and the receiver. 63 // arguments and the receiver.
64 ASSERT(kSmiTagSize == 1); 64 ASSERT(kSmiTagSize == 1);
65 __ lea(rcx, Operand(rax, rax, times_1, kSmiTag)); 65 __ lea(rcx, Operand(rax, rax, times_1, kSmiTag));
66 __ push(rcx); 66 __ push(rcx);
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854 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) { 854 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
855 Generate_JSEntryTrampolineHelper(masm, false); 855 Generate_JSEntryTrampolineHelper(masm, false);
856 } 856 }
857 857
858 858
859 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) { 859 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
860 Generate_JSEntryTrampolineHelper(masm, true); 860 Generate_JSEntryTrampolineHelper(masm, true);
861 } 861 }
862 862
863 } } // namespace v8::internal 863 } } // namespace v8::internal
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