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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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190 // Possibly allocate a local context. | 190 // Possibly allocate a local context. |
191 int heap_slots = scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; | 191 int heap_slots = scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
192 if (heap_slots > 0) { | 192 if (heap_slots > 0) { |
193 Comment(";;; Allocate local context"); | 193 Comment(";;; Allocate local context"); |
194 // Argument to NewContext is the function, which is still in rdi. | 194 // Argument to NewContext is the function, which is still in rdi. |
195 __ push(rdi); | 195 __ push(rdi); |
196 if (heap_slots <= FastNewContextStub::kMaximumSlots) { | 196 if (heap_slots <= FastNewContextStub::kMaximumSlots) { |
197 FastNewContextStub stub(heap_slots); | 197 FastNewContextStub stub(heap_slots); |
198 __ CallStub(&stub); | 198 __ CallStub(&stub); |
199 } else { | 199 } else { |
200 __ CallRuntime(Runtime::kNewContext, 1); | 200 __ CallRuntime(Runtime::kNewFunctionContext, 1); |
201 } | 201 } |
202 RecordSafepoint(Safepoint::kNoDeoptimizationIndex); | 202 RecordSafepoint(Safepoint::kNoDeoptimizationIndex); |
203 // Context is returned in both rax and rsi. It replaces the context | 203 // Context is returned in both rax and rsi. It replaces the context |
204 // passed to us. It's saved in the stack and kept live in rsi. | 204 // passed to us. It's saved in the stack and kept live in rsi. |
205 __ movq(Operand(rbp, StandardFrameConstants::kContextOffset), rsi); | 205 __ movq(Operand(rbp, StandardFrameConstants::kContextOffset), rsi); |
206 | 206 |
207 // Copy any necessary parameters into the context. | 207 // Copy any necessary parameters into the context. |
208 int num_parameters = scope()->num_parameters(); | 208 int num_parameters = scope()->num_parameters(); |
209 for (int i = 0; i < num_parameters; i++) { | 209 for (int i = 0; i < num_parameters; i++) { |
210 Slot* slot = scope()->parameter(i)->AsSlot(); | 210 Slot* slot = scope()->parameter(i)->AsSlot(); |
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4253 RegisterEnvironmentForDeoptimization(environment); | 4253 RegisterEnvironmentForDeoptimization(environment); |
4254 ASSERT(osr_pc_offset_ == -1); | 4254 ASSERT(osr_pc_offset_ == -1); |
4255 osr_pc_offset_ = masm()->pc_offset(); | 4255 osr_pc_offset_ = masm()->pc_offset(); |
4256 } | 4256 } |
4257 | 4257 |
4258 #undef __ | 4258 #undef __ |
4259 | 4259 |
4260 } } // namespace v8::internal | 4260 } } // namespace v8::internal |
4261 | 4261 |
4262 #endif // V8_TARGET_ARCH_X64 | 4262 #endif // V8_TARGET_ARCH_X64 |
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