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refactor focusing on xo-alloc2/ xo-gc/ write-barrier

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ability to inform allocator of gco->gco mutation, via AAllocator i/face.
This commit is contained in:
Roland Conybeare 2026-05-01 19:54:26 -04:00
commit 024574350a
9 changed files with 75 additions and 64 deletions
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15
src/object2/DArray.cpp
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@ -75,20 +75,23 @@ namespace xo {
}
bool
DArray::assign_at(obj<ACollector> gc, size_type ix, obj<AGCObject> x) noexcept
DArray::assign_at(obj<AAllocator> mm, size_type ix, obj<AGCObject> x) noexcept
{
if (ix >= size_)
return false;
scope log(XO_DEBUG(true), "need write barrier");
mm_do_assign(gc, this, &elts_[ix], x);
mm.barrier_assign_aux(this,
elts_[ix].iface(), elts_[ix].opaque_data_addr(),
x.iface(), x.opaque_data());
// mm_do_assign(gc, this, &elts_[ix], x);
return true;
}
bool
DArray::push_back(obj<ACollector> gc, obj<AGCObject> elt) noexcept
DArray::push_back(obj<AAllocator> mm, obj<AGCObject> elt) noexcept
{
if (size_ >= capacity_) {
return false;
@ -98,7 +101,11 @@ namespace xo {
void * mem = &(elts_[size_]);
new (mem) obj<AGCObject>();
mm_do_assign(gc, this, &(elts_[size_]), elt);
mm.barrier_assign_aux(this,
elts_[size_].iface(), elts_[size_].opaque_data_addr(),
elt.iface(), elt.opaque_data());
//mm_do_assign(gc, this, &(elts_[size_]), elt);
++(this->size_);