Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(477)

Side by Side Diff: src/serialize.cc

Issue 504026: Extend the maximum size map space... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « src/objects-inl.h ('k') | src/spaces.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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
(...skipping 614 matching lines...) Expand 10 before | Expand all | Expand 10 after
625 if (SpaceIsLarge(space)) { 625 if (SpaceIsLarge(space)) {
626 // Large spaces have one object per 'page'. 626 // Large spaces have one object per 'page'.
627 return HeapObject::FromAddress(pages_[LO_SPACE][offset]); 627 return HeapObject::FromAddress(pages_[LO_SPACE][offset]);
628 } 628 }
629 offset <<= kObjectAlignmentBits; 629 offset <<= kObjectAlignmentBits;
630 if (space == NEW_SPACE) { 630 if (space == NEW_SPACE) {
631 // New space has only one space - numbered 0. 631 // New space has only one space - numbered 0.
632 return HeapObject::FromAddress(pages_[space][0] + offset); 632 return HeapObject::FromAddress(pages_[space][0] + offset);
633 } 633 }
634 ASSERT(SpaceIsPaged(space)); 634 ASSERT(SpaceIsPaged(space));
635 int page_of_pointee = offset >> Page::kPageSizeBits; 635 int page_of_pointee = offset >> kPageSizeBits;
636 Address object_address = pages_[space][page_of_pointee] + 636 Address object_address = pages_[space][page_of_pointee] +
637 (offset & Page::kPageAlignmentMask); 637 (offset & Page::kPageAlignmentMask);
638 return HeapObject::FromAddress(object_address); 638 return HeapObject::FromAddress(object_address);
639 } 639 }
640 640
641 641
642 void Deserializer::Deserialize() { 642 void Deserializer::Deserialize() {
643 // Don't GC while deserializing - just expand the heap. 643 // Don't GC while deserializing - just expand the heap.
644 AlwaysAllocateScope always_allocate; 644 AlwaysAllocateScope always_allocate;
645 // Don't use the free lists while deserializing. 645 // Don't use the free lists while deserializing.
(...skipping 319 matching lines...) Expand 10 before | Expand all | Expand 10 after
965 Object* o, 965 Object* o,
966 ReferenceRepresentation reference_representation) { 966 ReferenceRepresentation reference_representation) {
967 CHECK(o->IsHeapObject()); 967 CHECK(o->IsHeapObject());
968 HeapObject* heap_object = HeapObject::cast(o); 968 HeapObject* heap_object = HeapObject::cast(o);
969 if (SerializationAddressMapper::IsMapped(heap_object)) { 969 if (SerializationAddressMapper::IsMapped(heap_object)) {
970 int space = SpaceOfAlreadySerializedObject(heap_object); 970 int space = SpaceOfAlreadySerializedObject(heap_object);
971 int address = SerializationAddressMapper::MappedTo(heap_object); 971 int address = SerializationAddressMapper::MappedTo(heap_object);
972 int offset = CurrentAllocationAddress(space) - address; 972 int offset = CurrentAllocationAddress(space) - address;
973 bool from_start = true; 973 bool from_start = true;
974 if (SpaceIsPaged(space)) { 974 if (SpaceIsPaged(space)) {
975 if ((CurrentAllocationAddress(space) >> Page::kPageSizeBits) == 975 if ((CurrentAllocationAddress(space) >> kPageSizeBits) ==
976 (address >> Page::kPageSizeBits)) { 976 (address >> kPageSizeBits)) {
977 from_start = false; 977 from_start = false;
978 address = offset; 978 address = offset;
979 } 979 }
980 } else if (space == NEW_SPACE) { 980 } else if (space == NEW_SPACE) {
981 if (offset < address) { 981 if (offset < address) {
982 from_start = false; 982 from_start = false;
983 address = offset; 983 address = offset;
984 } 984 }
985 } 985 }
986 // If we are actually dealing with real offsets (and not a numbering of 986 // If we are actually dealing with real offsets (and not a numbering of
(...skipping 234 matching lines...) Expand 10 before | Expand all | Expand 10 after
1221 fullness_[space] = RoundUp(fullness_[space], Page::kPageSize); 1221 fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
1222 } 1222 }
1223 } 1223 }
1224 int allocation_address = fullness_[space]; 1224 int allocation_address = fullness_[space];
1225 fullness_[space] = allocation_address + size; 1225 fullness_[space] = allocation_address + size;
1226 return allocation_address; 1226 return allocation_address;
1227 } 1227 }
1228 1228
1229 1229
1230 } } // namespace v8::internal 1230 } } // namespace v8::internal
OLDNEW
« no previous file with comments | « src/objects-inl.h ('k') | src/spaces.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698