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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 // 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/spaces.h" | 5 #include "src/heap/spaces.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/platform/platform.h" | 8 #include "src/base/platform/platform.h" |
9 #include "src/full-codegen/full-codegen.h" | 9 #include "src/full-codegen/full-codegen.h" |
10 #include "src/heap/slots-buffer.h" | 10 #include "src/heap/slots-buffer.h" |
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3198 HeapObject* object = chunk->GetObject(); | 3198 HeapObject* object = chunk->GetObject(); |
3199 Page* page = Page::FromAddress(object->address()); | 3199 Page* page = Page::FromAddress(object->address()); |
3200 CHECK(object->address() == page->area_start()); | 3200 CHECK(object->address() == page->area_start()); |
3201 | 3201 |
3202 // The first word should be a map, and we expect all map pointers to be | 3202 // The first word should be a map, and we expect all map pointers to be |
3203 // in map space. | 3203 // in map space. |
3204 Map* map = object->map(); | 3204 Map* map = object->map(); |
3205 CHECK(map->IsMap()); | 3205 CHECK(map->IsMap()); |
3206 CHECK(heap()->map_space()->Contains(map)); | 3206 CHECK(heap()->map_space()->Contains(map)); |
3207 | 3207 |
3208 // Double unboxing in LO space is not allowed. This would break the | |
3209 // lookup mechanism for store and slot buffer entries which use the | |
3210 // page header tag. | |
3211 CHECK(object->ContentType() != HeapObjectContents::kMixedValues); | |
Igor Sheludko
2015/11/13 17:35:18
As discussed offline I'm removing this check becau
Hannes Payer (out of office)
2015/11/13 18:54:38
Acknowledged.
| |
3212 | |
3213 // We have only code, sequential strings, external strings | 3208 // We have only code, sequential strings, external strings |
3214 // (sequential strings that have been morphed into external | 3209 // (sequential strings that have been morphed into external |
3215 // strings), fixed arrays, byte arrays, and constant pool arrays in the | 3210 // strings), fixed arrays, byte arrays, and constant pool arrays in the |
3216 // large object space. | 3211 // large object space. |
3217 CHECK(object->IsCode() || object->IsSeqString() || | 3212 CHECK(object->IsCode() || object->IsSeqString() || |
3218 object->IsExternalString() || object->IsFixedArray() || | 3213 object->IsExternalString() || object->IsFixedArray() || |
3219 object->IsFixedDoubleArray() || object->IsByteArray()); | 3214 object->IsFixedDoubleArray() || object->IsByteArray()); |
3220 | 3215 |
3221 // The object itself should look OK. | 3216 // The object itself should look OK. |
3222 object->ObjectVerify(); | 3217 object->ObjectVerify(); |
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3298 object->ShortPrint(); | 3293 object->ShortPrint(); |
3299 PrintF("\n"); | 3294 PrintF("\n"); |
3300 } | 3295 } |
3301 printf(" --------------------------------------\n"); | 3296 printf(" --------------------------------------\n"); |
3302 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); | 3297 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); |
3303 } | 3298 } |
3304 | 3299 |
3305 #endif // DEBUG | 3300 #endif // DEBUG |
3306 } // namespace internal | 3301 } // namespace internal |
3307 } // namespace v8 | 3302 } // namespace v8 |
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