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Issue 7084032: Add asserts and state tracking to ensure that we do not call (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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139 Label ok; 139 Label ok;
140 __ testq(rcx, rcx); 140 __ testq(rcx, rcx);
141 __ j(zero, &ok, Label::kNear); 141 __ j(zero, &ok, Label::kNear);
142 // +1 for return address. 142 // +1 for return address.
143 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; 143 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize;
144 __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); 144 __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex);
145 __ movq(Operand(rsp, receiver_offset), kScratchRegister); 145 __ movq(Operand(rsp, receiver_offset), kScratchRegister);
146 __ bind(&ok); 146 __ bind(&ok);
147 } 147 }
148 148
149 // Open a frame scope to indicate that there is a frame on the stack. The
150 // MANUAL indicates that the scope shouldn't actually generate code to set up
151 // the frame (that is done below).
152 FrameScope frame_scope(masm_, StackFrame::MANUAL);
153
149 __ push(rbp); // Caller's frame pointer. 154 __ push(rbp); // Caller's frame pointer.
150 __ movq(rbp, rsp); 155 __ movq(rbp, rsp);
151 __ push(rsi); // Callee's context. 156 __ push(rsi); // Callee's context.
152 __ push(rdi); // Callee's JS Function. 157 __ push(rdi); // Callee's JS Function.
153 158
154 { Comment cmnt(masm_, "[ Allocate locals"); 159 { Comment cmnt(masm_, "[ Allocate locals");
155 int locals_count = scope()->num_stack_slots(); 160 int locals_count = scope()->num_stack_slots();
156 if (locals_count == 1) { 161 if (locals_count == 1) {
157 __ PushRoot(Heap::kUndefinedValueRootIndex); 162 __ PushRoot(Heap::kUndefinedValueRootIndex);
158 } else if (locals_count > 1) { 163 } else if (locals_count > 1) {
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4310 __ ret(0); 4315 __ ret(0);
4311 } 4316 }
4312 4317
4313 4318
4314 #undef __ 4319 #undef __
4315 4320
4316 4321
4317 } } // namespace v8::internal 4322 } } // namespace v8::internal
4318 4323
4319 #endif // V8_TARGET_ARCH_X64 4324 #endif // V8_TARGET_ARCH_X64
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