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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "v8.h" | 5 #include "v8.h" |
| 6 | 6 |
| 7 #include "ast.h" | 7 #include "ast.h" |
| 8 #include "deoptimizer.h" | 8 #include "deoptimizer.h" |
| 9 #include "frames-inl.h" | 9 #include "frames-inl.h" |
| 10 #include "full-codegen.h" | 10 #include "full-codegen.h" |
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| 633 // Visit the parameters that may be on top of the saved registers. | 633 // Visit the parameters that may be on top of the saved registers. |
| 634 if (safepoint_entry.argument_count() > 0) { | 634 if (safepoint_entry.argument_count() > 0) { |
| 635 v->VisitPointers(parameters_base, | 635 v->VisitPointers(parameters_base, |
| 636 parameters_base + safepoint_entry.argument_count()); | 636 parameters_base + safepoint_entry.argument_count()); |
| 637 parameters_base += safepoint_entry.argument_count(); | 637 parameters_base += safepoint_entry.argument_count(); |
| 638 } | 638 } |
| 639 | 639 |
| 640 // Skip saved double registers. | 640 // Skip saved double registers. |
| 641 if (safepoint_entry.has_doubles()) { | 641 if (safepoint_entry.has_doubles()) { |
| 642 // Number of doubles not known at snapshot time. | 642 // Number of doubles not known at snapshot time. |
| 643 ASSERT(!Serializer::enabled(isolate())); | 643 ASSERT(!isolate()->serializer_enabled()); |
| 644 parameters_base += DoubleRegister::NumAllocatableRegisters() * | 644 parameters_base += DoubleRegister::NumAllocatableRegisters() * |
| 645 kDoubleSize / kPointerSize; | 645 kDoubleSize / kPointerSize; |
| 646 } | 646 } |
| 647 | 647 |
| 648 // Visit the registers that contain pointers if any. | 648 // Visit the registers that contain pointers if any. |
| 649 if (safepoint_entry.HasRegisters()) { | 649 if (safepoint_entry.HasRegisters()) { |
| 650 for (int i = kNumSafepointRegisters - 1; i >=0; i--) { | 650 for (int i = kNumSafepointRegisters - 1; i >=0; i--) { |
| 651 if (safepoint_entry.HasRegisterAt(i)) { | 651 if (safepoint_entry.HasRegisterAt(i)) { |
| 652 int reg_stack_index = MacroAssembler::SafepointRegisterStackIndex(i); | 652 int reg_stack_index = MacroAssembler::SafepointRegisterStackIndex(i); |
| 653 v->VisitPointer(parameters_base + reg_stack_index); | 653 v->VisitPointer(parameters_base + reg_stack_index); |
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| 1616 ZoneList<StackFrame*> list(10, zone); | 1616 ZoneList<StackFrame*> list(10, zone); |
| 1617 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { | 1617 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { |
| 1618 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); | 1618 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); |
| 1619 list.Add(frame, zone); | 1619 list.Add(frame, zone); |
| 1620 } | 1620 } |
| 1621 return list.ToVector(); | 1621 return list.ToVector(); |
| 1622 } | 1622 } |
| 1623 | 1623 |
| 1624 | 1624 |
| 1625 } } // namespace v8::internal | 1625 } } // namespace v8::internal |
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