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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 "src/heap/mark-compact.h" | 5 #include "src/heap/mark-compact.h" |
6 | 6 |
7 #include "src/base/atomicops.h" | 7 #include "src/base/atomicops.h" |
8 #include "src/base/bits.h" | 8 #include "src/base/bits.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/compilation-cache.h" | 10 #include "src/compilation-cache.h" |
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1006 // Process context-dependent entries in the optimized code map. | 1006 // Process context-dependent entries in the optimized code map. |
1007 FixedArray* code_map = FixedArray::cast(holder->optimized_code_map()); | 1007 FixedArray* code_map = FixedArray::cast(holder->optimized_code_map()); |
1008 int new_length = SharedFunctionInfo::kEntriesStart; | 1008 int new_length = SharedFunctionInfo::kEntriesStart; |
1009 int old_length = code_map->length(); | 1009 int old_length = code_map->length(); |
1010 for (int i = SharedFunctionInfo::kEntriesStart; i < old_length; | 1010 for (int i = SharedFunctionInfo::kEntriesStart; i < old_length; |
1011 i += SharedFunctionInfo::kEntryLength) { | 1011 i += SharedFunctionInfo::kEntryLength) { |
1012 // Each entry contains [ context, code, literals, ast-id ] as fields. | 1012 // Each entry contains [ context, code, literals, ast-id ] as fields. |
1013 STATIC_ASSERT(SharedFunctionInfo::kEntryLength == 4); | 1013 STATIC_ASSERT(SharedFunctionInfo::kEntryLength == 4); |
1014 Context* context = | 1014 Context* context = |
1015 Context::cast(code_map->get(i + SharedFunctionInfo::kContextOffset)); | 1015 Context::cast(code_map->get(i + SharedFunctionInfo::kContextOffset)); |
1016 Code* code = | 1016 HeapObject* code = HeapObject::cast( |
1017 Code::cast(code_map->get(i + SharedFunctionInfo::kCachedCodeOffset)); | 1017 code_map->get(i + SharedFunctionInfo::kCachedCodeOffset)); |
1018 FixedArray* literals = FixedArray::cast( | 1018 FixedArray* literals = FixedArray::cast( |
1019 code_map->get(i + SharedFunctionInfo::kLiteralsOffset)); | 1019 code_map->get(i + SharedFunctionInfo::kLiteralsOffset)); |
1020 Smi* ast_id = | 1020 Smi* ast_id = |
1021 Smi::cast(code_map->get(i + SharedFunctionInfo::kOsrAstIdOffset)); | 1021 Smi::cast(code_map->get(i + SharedFunctionInfo::kOsrAstIdOffset)); |
1022 if (Marking::IsWhite(Marking::MarkBitFrom(context))) continue; | 1022 if (Marking::IsWhite(Marking::MarkBitFrom(context))) continue; |
1023 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(context))); | 1023 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(context))); |
1024 if (Marking::IsWhite(Marking::MarkBitFrom(code))) continue; | 1024 if (Marking::IsWhite(Marking::MarkBitFrom(code))) continue; |
1025 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(code))); | 1025 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(code))); |
1026 if (Marking::IsWhite(Marking::MarkBitFrom(literals))) continue; | 1026 if (Marking::IsWhite(Marking::MarkBitFrom(literals))) continue; |
1027 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(literals))); | 1027 DCHECK(Marking::IsBlack(Marking::MarkBitFrom(literals))); |
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4584 MarkBit mark_bit = Marking::MarkBitFrom(host); | 4584 MarkBit mark_bit = Marking::MarkBitFrom(host); |
4585 if (Marking::IsBlack(mark_bit)) { | 4585 if (Marking::IsBlack(mark_bit)) { |
4586 RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, 0, host); | 4586 RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, 0, host); |
4587 RecordRelocSlot(&rinfo, target); | 4587 RecordRelocSlot(&rinfo, target); |
4588 } | 4588 } |
4589 } | 4589 } |
4590 } | 4590 } |
4591 | 4591 |
4592 } // namespace internal | 4592 } // namespace internal |
4593 } // namespace v8 | 4593 } // namespace v8 |
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