diff options
Diffstat (limited to 'src/v8/0002-Add-a-bit-field-3-to-Map.patch')
| -rw-r--r-- | src/v8/0002-Add-a-bit-field-3-to-Map.patch | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/v8/0002-Add-a-bit-field-3-to-Map.patch b/src/v8/0002-Add-a-bit-field-3-to-Map.patch index 4b21317668..e1b0d097c5 100644 --- a/src/v8/0002-Add-a-bit-field-3-to-Map.patch +++ b/src/v8/0002-Add-a-bit-field-3-to-Map.patch @@ -1,7 +1,7 @@ -From 7c9cfff80b7864d5687432d424074e51712c4a07 Mon Sep 17 00:00:00 2001 +From 01f7bd262fb1be893fe4bdc6b98a1b43c5a0bb7d Mon Sep 17 00:00:00 2001 From: Aaron Kennedy <aaron.kennedy@nokia.com> Date: Mon, 23 May 2011 15:55:26 +1000 -Subject: [PATCH 02/16] Add a bit field 3 to Map +Subject: [PATCH 02/14] Add a bit field 3 to Map Bit field 3 will be used to add QML specific map flags. --- @@ -22,13 +22,13 @@ index 930c97b..900f462 100644 + reinterpret_cast<Map*>(result)->set_bit_field3(0); return result; } - + @@ -1599,6 +1600,7 @@ MaybeObject* Heap::AllocateMap(InstanceType instance_type, int instance_size) { map->set_unused_property_fields(0); map->set_bit_field(0); map->set_bit_field2((1 << Map::kIsExtensible) | (1 << Map::kHasFastElements)); + map->set_bit_field3(0); - + // If the map object is aligned fill the padding area with Smi 0 objects. if (Map::kPadStart < Map::kSize) { diff --git a/src/objects-inl.h b/src/objects-inl.h @@ -37,8 +37,8 @@ index c82080d..cce3edd 100644 +++ b/src/objects-inl.h @@ -2430,6 +2430,16 @@ void Map::set_bit_field2(byte value) { } - - + + +byte Map::bit_field3() { + return READ_BYTE_FIELD(this, kBitField3Offset); +} @@ -65,13 +65,13 @@ index dc4b260..79d7240 100644 Map::cast(result)->ClearCodeCache(heap); return result; @@ -3642,6 +3643,7 @@ MaybeObject* Map::CopyNormalized(PropertyNormalizationMode mode, - + Map::cast(result)->set_bit_field(bit_field()); Map::cast(result)->set_bit_field2(bit_field2()); + Map::cast(result)->set_bit_field3(bit_field3()); - + Map::cast(result)->set_is_shared(sharing == SHARED_NORMALIZED_MAP); - + diff --git a/src/objects.h b/src/objects.h index 6e26f57..07e1089 100644 --- a/src/objects.h @@ -79,7 +79,7 @@ index 6e26f57..07e1089 100644 @@ -3597,6 +3597,10 @@ class Map: public HeapObject { inline byte bit_field2(); inline void set_bit_field2(byte value); - + + // Bit field 3. + inline byte bit_field3(); + inline void set_bit_field3(byte value); @@ -101,18 +101,18 @@ index 6e26f57..07e1089 100644 static const int kBitFieldOffset = kInstanceAttributesOffset + 2; static const int kBitField2Offset = kInstanceAttributesOffset + 3; + static const int kBitField3Offset = kInstanceAttributesOffset + 4; - + STATIC_CHECK(kInstanceTypeOffset == Internals::kMapInstanceTypeOffset); - + @@ -3898,6 +3903,8 @@ class Map: public HeapObject { static const int kIsShared = 5; static const int kHasExternalArrayElements = 6; - + + // Bit positions for bit field 3 + // Layout of the default cache. It holds alternating name and code objects. static const int kCodeCacheEntrySize = 2; static const int kCodeCacheEntryNameOffset = 0; --- -1.7.6 +-- +1.7.4.4 |