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Issue 7607031: Update gc branch to bleeding_edge revision 8862. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/gc
Patch Set: Fix bug in weak-map merge Created 9 years, 4 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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28 #include "v8.h" 28 #include "v8.h"
29 29
30 #include "codegen.h" 30 #include "codegen.h"
31 #include "deoptimizer.h" 31 #include "deoptimizer.h"
32 #include "full-codegen.h" 32 #include "full-codegen.h"
33 #include "safepoint-table.h" 33 #include "safepoint-table.h"
34 34
35 namespace v8 { 35 namespace v8 {
36 namespace internal { 36 namespace internal {
37 37
38 int Deoptimizer::table_entry_size_ = 16; 38 const int Deoptimizer::table_entry_size_ = 16;
39 39
40 40
41 int Deoptimizer::patch_size() { 41 int Deoptimizer::patch_size() {
42 const int kCallInstructionSizeInWords = 3; 42 const int kCallInstructionSizeInWords = 3;
43 return kCallInstructionSizeInWords * Assembler::kInstrSize; 43 return kCallInstructionSizeInWords * Assembler::kInstrSize;
44 } 44 }
45 45
46 46
47 void Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(Handle<Code> code) { 47 void Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(Handle<Code> code) {
48 // Nothing to do. No new relocation information is written for lazy 48 // Nothing to do. No new relocation information is written for lazy
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525 525
526 // Set the continuation for the topmost frame. 526 // Set the continuation for the topmost frame.
527 if (is_topmost && bailout_type_ != DEBUGGER) { 527 if (is_topmost && bailout_type_ != DEBUGGER) {
528 Builtins* builtins = isolate_->builtins(); 528 Builtins* builtins = isolate_->builtins();
529 Code* continuation = (bailout_type_ == EAGER) 529 Code* continuation = (bailout_type_ == EAGER)
530 ? builtins->builtin(Builtins::kNotifyDeoptimized) 530 ? builtins->builtin(Builtins::kNotifyDeoptimized)
531 : builtins->builtin(Builtins::kNotifyLazyDeoptimized); 531 : builtins->builtin(Builtins::kNotifyLazyDeoptimized);
532 output_frame->SetContinuation( 532 output_frame->SetContinuation(
533 reinterpret_cast<uint32_t>(continuation->entry())); 533 reinterpret_cast<uint32_t>(continuation->entry()));
534 } 534 }
535
536 if (output_count_ - 1 == frame_index) iterator->Done();
537 } 535 }
538 536
539 537
540 void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) { 538 void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
541 // Set the register values. The values are not important as there are no 539 // Set the register values. The values are not important as there are no
542 // callee saved registers in JavaScript frames, so all registers are 540 // callee saved registers in JavaScript frames, so all registers are
543 // spilled. Registers fp and sp are set to the correct values though. 541 // spilled. Registers fp and sp are set to the correct values though.
544 542
545 for (int i = 0; i < Register::kNumRegisters; i++) { 543 for (int i = 0; i < Register::kNumRegisters; i++) {
546 input_->SetRegister(i, i * 4); 544 input_->SetRegister(i, i * 4);
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764 __ push(ip); 762 __ push(ip);
765 __ b(&done); 763 __ b(&done);
766 ASSERT(masm()->pc_offset() - start == table_entry_size_); 764 ASSERT(masm()->pc_offset() - start == table_entry_size_);
767 } 765 }
768 __ bind(&done); 766 __ bind(&done);
769 } 767 }
770 768
771 #undef __ 769 #undef __
772 770
773 } } // namespace v8::internal 771 } } // namespace v8::internal
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