src/gc/heap_bitmap.cc

#include "heap_bitmap.h"
#include "space.h"

namespace art {

void HeapBitmap::ReplaceBitmap(SpaceBitmap* old_bitmap, SpaceBitmap* new_bitmap) {
  // TODO: C++0x auto
  for (Bitmaps::iterator it = bitmaps_.begin(); it != bitmaps_.end(); ++it) {
    if (*it == old_bitmap) {
      *it = new_bitmap;
      return;
    }
  }
  LOG(FATAL) << "bitmap " << static_cast<const void*>(old_bitmap) << " not found";
}

void HeapBitmap::AddSpaceBitmap(SpaceBitmap* bitmap) {
  DCHECK(bitmap != NULL);

  // Check for interval overlap.
  for (Bitmaps::const_iterator it = bitmaps_.begin(); it != bitmaps_.end(); ++it) {
    SpaceBitmap* cur_bitmap = *it;
    if (bitmap->HeapBegin() < cur_bitmap->HeapLimit() &&
        bitmap->HeapLimit() > cur_bitmap->HeapBegin()) {
      LOG(FATAL) << "Overlapping space bitmaps added to heap bitmap!";
    }
  }
  bitmaps_.push_back(bitmap);
}

void HeapBitmap::SetLargeObjects(SpaceSetMap* large_objects) {
  DCHECK(large_objects != NULL);
  large_objects_ = large_objects;
}

HeapBitmap::HeapBitmap(Heap* heap) : heap_(heap), large_objects_(NULL) {

}

void HeapBitmap::Walk(SpaceBitmap::Callback* callback, void* arg) {
  // TODO: C++0x auto
  for (Bitmaps::iterator it = bitmaps_.begin(); it != bitmaps_.end(); ++it) {
    (*it)->Walk(callback, arg);
  }

  large_objects_->Walk(callback, arg);
}

}  // namespace art