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Issue 6880010: Merge (7265, 7271] from bleeding_edge to experimental/gc branch.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/gc/
Patch Set: '' Created 9 years, 8 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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99 (code->safepoint_table_offset() - last_pc_offset) / Assembler::kInstrSize; 99 (code->safepoint_table_offset() - last_pc_offset) / Assembler::kInstrSize;
100 CodePatcher destroyer(code->instruction_start() + last_pc_offset, 100 CodePatcher destroyer(code->instruction_start() + last_pc_offset,
101 instructions); 101 instructions);
102 for (int x = 0; x < instructions; x++) { 102 for (int x = 0; x < instructions; x++) {
103 destroyer.masm()->bkpt(0); 103 destroyer.masm()->bkpt(0);
104 } 104 }
105 #endif 105 #endif
106 106
107 // Add the deoptimizing code to the list. 107 // Add the deoptimizing code to the list.
108 DeoptimizingCodeListNode* node = new DeoptimizingCodeListNode(code); 108 DeoptimizingCodeListNode* node = new DeoptimizingCodeListNode(code);
109 node->set_next(deoptimizing_code_list_); 109 DeoptimizerData* data = Isolate::Current()->deoptimizer_data();
110 deoptimizing_code_list_ = node; 110 node->set_next(data->deoptimizing_code_list_);
111 data->deoptimizing_code_list_ = node;
111 112
112 // Set the code for the function to non-optimized version. 113 // Set the code for the function to non-optimized version.
113 function->ReplaceCode(function->shared()->code()); 114 function->ReplaceCode(function->shared()->code());
114 115
115 if (FLAG_trace_deopt) { 116 if (FLAG_trace_deopt) {
116 PrintF("[forced deoptimization: "); 117 PrintF("[forced deoptimization: ");
117 function->PrintName(); 118 function->PrintName();
118 PrintF(" / %x]\n", reinterpret_cast<uint32_t>(function)); 119 PrintF(" / %x]\n", reinterpret_cast<uint32_t>(function));
119 #ifdef DEBUG 120 #ifdef DEBUG
120 if (FLAG_print_code) { 121 if (FLAG_print_code) {
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310 } else { 311 } else {
311 // Setup the frame pointer and the context pointer. 312 // Setup the frame pointer and the context pointer.
312 output_[0]->SetRegister(fp.code(), input_->GetRegister(fp.code())); 313 output_[0]->SetRegister(fp.code(), input_->GetRegister(fp.code()));
313 output_[0]->SetRegister(cp.code(), input_->GetRegister(cp.code())); 314 output_[0]->SetRegister(cp.code(), input_->GetRegister(cp.code()));
314 315
315 unsigned pc_offset = data->OsrPcOffset()->value(); 316 unsigned pc_offset = data->OsrPcOffset()->value();
316 uint32_t pc = reinterpret_cast<uint32_t>( 317 uint32_t pc = reinterpret_cast<uint32_t>(
317 optimized_code_->entry() + pc_offset); 318 optimized_code_->entry() + pc_offset);
318 output_[0]->SetPc(pc); 319 output_[0]->SetPc(pc);
319 } 320 }
320 Code* continuation = Builtins::builtin(Builtins::NotifyOSR); 321 Code* continuation = Isolate::Current()->builtins()->builtin(
322 Builtins::NotifyOSR);
321 output_[0]->SetContinuation( 323 output_[0]->SetContinuation(
322 reinterpret_cast<uint32_t>(continuation->entry())); 324 reinterpret_cast<uint32_t>(continuation->entry()));
323 325
324 if (FLAG_trace_osr) { 326 if (FLAG_trace_osr) {
325 PrintF("[on-stack replacement translation %s: 0x%08" V8PRIxPTR " ", 327 PrintF("[on-stack replacement translation %s: 0x%08" V8PRIxPTR " ",
326 ok ? "finished" : "aborted", 328 ok ? "finished" : "aborted",
327 reinterpret_cast<intptr_t>(function)); 329 reinterpret_cast<intptr_t>(function));
328 function->PrintName(); 330 function->PrintName();
329 PrintF(" => pc=0x%0x]\n", output_[0]->GetPc()); 331 PrintF(" => pc=0x%0x]\n", output_[0]->GetPc());
330 } 332 }
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484 uint32_t pc_value = reinterpret_cast<uint32_t>(start + pc_offset); 486 uint32_t pc_value = reinterpret_cast<uint32_t>(start + pc_offset);
485 output_frame->SetPc(pc_value); 487 output_frame->SetPc(pc_value);
486 if (is_topmost) { 488 if (is_topmost) {
487 output_frame->SetRegister(pc.code(), pc_value); 489 output_frame->SetRegister(pc.code(), pc_value);
488 } 490 }
489 491
490 FullCodeGenerator::State state = 492 FullCodeGenerator::State state =
491 FullCodeGenerator::StateField::decode(pc_and_state); 493 FullCodeGenerator::StateField::decode(pc_and_state);
492 output_frame->SetState(Smi::FromInt(state)); 494 output_frame->SetState(Smi::FromInt(state));
493 495
496
494 // Set the continuation for the topmost frame. 497 // Set the continuation for the topmost frame.
495 if (is_topmost) { 498 if (is_topmost) {
499 Builtins* builtins = isolate_->builtins();
496 Code* continuation = (bailout_type_ == EAGER) 500 Code* continuation = (bailout_type_ == EAGER)
497 ? Builtins::builtin(Builtins::NotifyDeoptimized) 501 ? builtins->builtin(Builtins::NotifyDeoptimized)
498 : Builtins::builtin(Builtins::NotifyLazyDeoptimized); 502 : builtins->builtin(Builtins::NotifyLazyDeoptimized);
499 output_frame->SetContinuation( 503 output_frame->SetContinuation(
500 reinterpret_cast<uint32_t>(continuation->entry())); 504 reinterpret_cast<uint32_t>(continuation->entry()));
501 } 505 }
502 506
503 if (output_count_ - 1 == frame_index) iterator->Done(); 507 if (output_count_ - 1 == frame_index) iterator->Done();
504 } 508 }
505 509
506 510
507 #define __ masm()-> 511 #define __ masm()->
508 512
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697 __ push(ip); 701 __ push(ip);
698 __ b(&done); 702 __ b(&done);
699 ASSERT(masm()->pc_offset() - start == table_entry_size_); 703 ASSERT(masm()->pc_offset() - start == table_entry_size_);
700 } 704 }
701 __ bind(&done); 705 __ bind(&done);
702 } 706 }
703 707
704 #undef __ 708 #undef __
705 709
706 } } // namespace v8::internal 710 } } // namespace v8::internal
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