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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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212 } | 212 } |
213 RecordSafepoint(Safepoint::kNoLazyDeopt); | 213 RecordSafepoint(Safepoint::kNoLazyDeopt); |
214 // Context is returned in both v0. It replaces the context passed to us. | 214 // Context is returned in both v0. It replaces the context passed to us. |
215 // It's saved in the stack and kept live in cp. | 215 // It's saved in the stack and kept live in cp. |
216 __ mov(cp, v0); | 216 __ mov(cp, v0); |
217 __ sw(v0, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 217 __ sw(v0, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
218 // Copy any necessary parameters into the context. | 218 // Copy any necessary parameters into the context. |
219 int num_parameters = scope()->num_parameters(); | 219 int num_parameters = scope()->num_parameters(); |
220 int first_parameter = scope()->has_this_declaration() ? -1 : 0; | 220 int first_parameter = scope()->has_this_declaration() ? -1 : 0; |
221 for (int i = first_parameter; i < num_parameters; i++) { | 221 for (int i = first_parameter; i < num_parameters; i++) { |
222 Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i); | 222 Variable* var = |
| 223 (i == -1) ? scope()->receiver() : scope()->parameter_var(i); |
223 if (var->IsContextSlot()) { | 224 if (var->IsContextSlot()) { |
224 int parameter_offset = StandardFrameConstants::kCallerSPOffset + | 225 int parameter_offset = StandardFrameConstants::kCallerSPOffset + |
225 (num_parameters - 1 - i) * kPointerSize; | 226 (num_parameters - 1 - i) * kPointerSize; |
226 // Load parameter from stack. | 227 // Load parameter from stack. |
227 __ lw(a0, MemOperand(fp, parameter_offset)); | 228 __ lw(a0, MemOperand(fp, parameter_offset)); |
228 // Store it in the context. | 229 // Store it in the context. |
229 MemOperand target = ContextOperand(cp, var->index()); | 230 MemOperand target = ContextOperand(cp, var->index()); |
230 __ sw(a0, target); | 231 __ sw(a0, target); |
231 // Update the write barrier. This clobbers a3 and a0. | 232 // Update the write barrier. This clobbers a3 and a0. |
232 if (need_write_barrier) { | 233 if (need_write_barrier) { |
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6003 __ Push(at, ToRegister(instr->function())); | 6004 __ Push(at, ToRegister(instr->function())); |
6004 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6005 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6005 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6006 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6006 } | 6007 } |
6007 | 6008 |
6008 | 6009 |
6009 #undef __ | 6010 #undef __ |
6010 | 6011 |
6011 } // namespace internal | 6012 } // namespace internal |
6012 } // namespace v8 | 6013 } // namespace v8 |
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