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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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| 30 #if defined(V8_TARGET_ARCH_IA32) | 30 #if defined(V8_TARGET_ARCH_IA32) |
| 31 | 31 |
| 32 #include "codegen.h" | 32 #include "codegen.h" |
| 33 #include "deoptimizer.h" | 33 #include "deoptimizer.h" |
| 34 #include "full-codegen.h" | 34 #include "full-codegen.h" |
| 35 #include "safepoint-table.h" | 35 #include "safepoint-table.h" |
| 36 | 36 |
| 37 namespace v8 { | 37 namespace v8 { |
| 38 namespace internal { | 38 namespace internal { |
| 39 | 39 |
| 40 int Deoptimizer::table_entry_size_ = 10; | 40 const int Deoptimizer::table_entry_size_ = 10; |
| 41 | 41 |
| 42 | 42 |
| 43 int Deoptimizer::patch_size() { | 43 int Deoptimizer::patch_size() { |
| 44 return Assembler::kCallInstructionLength; | 44 return Assembler::kCallInstructionLength; |
| 45 } | 45 } |
| 46 | 46 |
| 47 | 47 |
| 48 static void ZapCodeRange(Address start, Address end) { | 48 static void ZapCodeRange(Address start, Address end) { |
| 49 #ifdef DEBUG | 49 #ifdef DEBUG |
| 50 ASSERT(start <= end); | 50 ASSERT(start <= end); |
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| 602 | 602 |
| 603 // Set the continuation for the topmost frame. | 603 // Set the continuation for the topmost frame. |
| 604 if (is_topmost && bailout_type_ != DEBUGGER) { | 604 if (is_topmost && bailout_type_ != DEBUGGER) { |
| 605 Builtins* builtins = isolate_->builtins(); | 605 Builtins* builtins = isolate_->builtins(); |
| 606 Code* continuation = (bailout_type_ == EAGER) | 606 Code* continuation = (bailout_type_ == EAGER) |
| 607 ? builtins->builtin(Builtins::kNotifyDeoptimized) | 607 ? builtins->builtin(Builtins::kNotifyDeoptimized) |
| 608 : builtins->builtin(Builtins::kNotifyLazyDeoptimized); | 608 : builtins->builtin(Builtins::kNotifyLazyDeoptimized); |
| 609 output_frame->SetContinuation( | 609 output_frame->SetContinuation( |
| 610 reinterpret_cast<uint32_t>(continuation->entry())); | 610 reinterpret_cast<uint32_t>(continuation->entry())); |
| 611 } | 611 } |
| 612 | |
| 613 if (output_count_ - 1 == frame_index) iterator->Done(); | |
| 614 } | 612 } |
| 615 | 613 |
| 616 | 614 |
| 617 void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) { | 615 void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) { |
| 618 // Set the register values. The values are not important as there are no | 616 // Set the register values. The values are not important as there are no |
| 619 // callee saved registers in JavaScript frames, so all registers are | 617 // callee saved registers in JavaScript frames, so all registers are |
| 620 // spilled. Registers ebp and esp are set to the correct values though. | 618 // spilled. Registers ebp and esp are set to the correct values though. |
| 621 | 619 |
| 622 for (int i = 0; i < Register::kNumRegisters; i++) { | 620 for (int i = 0; i < Register::kNumRegisters; i++) { |
| 623 input_->SetRegister(i, i * 4); | 621 input_->SetRegister(i, i * 4); |
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| 800 } | 798 } |
| 801 __ bind(&done); | 799 __ bind(&done); |
| 802 } | 800 } |
| 803 | 801 |
| 804 #undef __ | 802 #undef __ |
| 805 | 803 |
| 806 | 804 |
| 807 } } // namespace v8::internal | 805 } } // namespace v8::internal |
| 808 | 806 |
| 809 #endif // V8_TARGET_ARCH_IA32 | 807 #endif // V8_TARGET_ARCH_IA32 |
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