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Unified Diff: src/spaces.h

Issue 5188006: Push version 2.5.7 to trunk.... (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 10 years, 1 month ago
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Index: src/spaces.h
===================================================================
--- src/spaces.h (revision 5846)
+++ src/spaces.h (working copy)
@@ -371,8 +371,13 @@
// Identity used in error reporting.
AllocationSpace identity() { return id_; }
+ // Returns allocated size.
virtual intptr_t Size() = 0;
+ // Returns size of objects. Can differ from the allocated size
+ // (e.g. see LargeObjectSpace).
+ virtual intptr_t SizeOfObjects() { return Size(); }
+
#ifdef ENABLE_HEAP_PROTECTION
// Protect/unprotect the space by marking it read-only/writable.
virtual void Protect() = 0;
@@ -591,7 +596,7 @@
static intptr_t Size() { return size_; }
// Returns the maximum available executable bytes of heaps.
- static int AvailableExecutable() {
+ static intptr_t AvailableExecutable() {
if (capacity_executable_ < size_executable_) return 0;
return capacity_executable_ - size_executable_;
}
@@ -1715,6 +1720,8 @@
// 'wasted_bytes'. The size should be a non-zero multiple of the word size.
MUST_USE_RESULT MaybeObject* Allocate(int size_in_bytes, int* wasted_bytes);
+ void MarkNodes();
+
private:
// The size range of blocks, in bytes. (Smaller allocations are allowed, but
// will always result in waste.)
@@ -1813,6 +1820,8 @@
// A failure is returned if no block is available.
MUST_USE_RESULT MaybeObject* Allocate();
+ void MarkNodes();
+
private:
// Available bytes on the free list.
intptr_t available_;
@@ -1884,6 +1893,8 @@
virtual void PutRestOfCurrentPageOnFreeList(Page* current_page);
+ void MarkFreeListNodes() { free_list_.MarkNodes(); }
+
#ifdef DEBUG
// Reports statistics for the space
void ReportStatistics();
@@ -1951,6 +1962,9 @@
virtual void DeallocateBlock(Address start,
int size_in_bytes,
bool add_to_freelist);
+
+ void MarkFreeListNodes() { free_list_.MarkNodes(); }
+
#ifdef DEBUG
// Reports statistic info of the space
void ReportStatistics();
@@ -2191,6 +2205,10 @@
return size_;
}
+ virtual intptr_t SizeOfObjects() {
+ return objects_size_;
+ }
+
int PageCount() {
return page_count_;
}
@@ -2242,8 +2260,8 @@
LargeObjectChunk* first_chunk_;
intptr_t size_; // allocated bytes
int page_count_; // number of chunks
+ intptr_t objects_size_; // size of objects
-
// Shared implementation of AllocateRaw, AllocateRawCode and
// AllocateRawFixedArray.
MUST_USE_RESULT MaybeObject* AllocateRawInternal(int requested_size,
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