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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 202 __ int3(); | 202 __ int3(); |
| 203 } | 203 } |
| 204 #endif | 204 #endif |
| 205 | 205 |
| 206 frame_->Enter(); | 206 frame_->Enter(); |
| 207 | 207 |
| 208 // Allocate space for locals and initialize them. | 208 // Allocate space for locals and initialize them. |
| 209 frame_->AllocateStackSlots(); | 209 frame_->AllocateStackSlots(); |
| 210 | 210 |
| 211 // Allocate the local context if needed. | 211 // Allocate the local context if needed. |
| 212 int heap_slots = scope()->num_heap_slots(); | 212 int heap_slots = scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; |
| 213 if (heap_slots > 0) { | 213 if (heap_slots > 0) { |
| 214 Comment cmnt(masm_, "[ allocate local context"); | 214 Comment cmnt(masm_, "[ allocate local context"); |
| 215 // Allocate local context. | 215 // Allocate local context. |
| 216 // Get outer context and create a new context based on it. | 216 // Get outer context and create a new context based on it. |
| 217 frame_->PushFunction(); | 217 frame_->PushFunction(); |
| 218 Result context; | 218 Result context; |
| 219 if (heap_slots <= FastNewContextStub::kMaximumSlots) { | 219 if (heap_slots <= FastNewContextStub::kMaximumSlots) { |
| 220 FastNewContextStub stub(heap_slots); | 220 FastNewContextStub stub(heap_slots); |
| 221 context = frame_->CallStub(&stub, 1); | 221 context = frame_->CallStub(&stub, 1); |
| 222 } else { | 222 } else { |
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| 10310 memcpy(chunk->GetStartAddress(), desc.buffer, desc.instr_size); | 10310 memcpy(chunk->GetStartAddress(), desc.buffer, desc.instr_size); |
| 10311 CPU::FlushICache(chunk->GetStartAddress(), desc.instr_size); | 10311 CPU::FlushICache(chunk->GetStartAddress(), desc.instr_size); |
| 10312 return FUNCTION_CAST<MemCopyFunction>(chunk->GetStartAddress()); | 10312 return FUNCTION_CAST<MemCopyFunction>(chunk->GetStartAddress()); |
| 10313 } | 10313 } |
| 10314 | 10314 |
| 10315 #undef __ | 10315 #undef __ |
| 10316 | 10316 |
| 10317 } } // namespace v8::internal | 10317 } } // namespace v8::internal |
| 10318 | 10318 |
| 10319 #endif // V8_TARGET_ARCH_IA32 | 10319 #endif // V8_TARGET_ARCH_IA32 |
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