diff options
Diffstat (limited to 'deps/v8/src/spaces.h')
| -rw-r--r-- | deps/v8/src/spaces.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/deps/v8/src/spaces.h b/deps/v8/src/spaces.h index e8504a4276..a62b0a8d3e 100644 --- a/deps/v8/src/spaces.h +++ b/deps/v8/src/spaces.h @@ -31,7 +31,8 @@ #include "list-inl.h" #include "log.h" -namespace v8 { namespace internal { +namespace v8 { +namespace internal { // ----------------------------------------------------------------------------- // Heap structures: @@ -98,6 +99,7 @@ class AllocationInfo; // its page offset by 32. Therefore, the object area in a page starts at the // 256th byte (8K/32). Bytes 0 to 255 do not need the remembered set, so that // the first two words (64 bits) in a page can be used for other purposes. +// TODO(X64): This description only represents the 32-bit layout. // // The mark-compact collector transforms a map pointer into a page index and a // page offset. The map space can have up to 1024 pages, and 8M bytes (1024 * @@ -213,7 +215,7 @@ class Page { static const int kPageSize = 1 << kPageSizeBits; // Page size mask. - static const int kPageAlignmentMask = (1 << kPageSizeBits) - 1; + static const intptr_t kPageAlignmentMask = (1 << kPageSizeBits) - 1; // The end offset of the remembered set in a page // (heaps are aligned to pointer size). @@ -242,7 +244,7 @@ class Page { // in the current page. If a page is in the large object space, the first // word *may* (if the page start and large object chunk start are the // same) contain the address of the next large object chunk. - int opaque_header; + intptr_t opaque_header; // If the page is not in the large object space, the low-order bit of the // second word is set. If the page is in the large object space, the |