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xo-gc: refactor: move _shallow_move() to GCObjectStore

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This commit is contained in:
Roland Conybeare 2026-04-03 15:37:15 -04:00
commit 1f0aa5f6a6
4 changed files with 57 additions and 37 deletions
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43
src/gc/GCObjectStore.cpp
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@ -438,6 +438,49 @@ namespace xo {
return true;
}
void *
GCObjectStore::_shallow_move(obj<AAllocator> mm,
const AGCObject * iface,
void * from_src)
{
scope log(XO_DEBUG(config_.debug_flag_));
AllocInfo info = this->alloc_info((std::byte *)from_src);
//obj<AAllocator, DX1Collector> gc_gco(gc);
void * to_dest = iface->shallow_copy(from_src, mm);
log && log(xtag("from_src", from_src), xtag("to_dest", to_dest));
log && log(xtag("tseq", info.tseq()),
xtag("tname", TypeRegistry::id2name(typeseq(info.tseq()))),
xtag("age", info.age()),
xtag("size", info.size()));
if (config_.debug_flag_) {
AllocInfo info_copy = this->alloc_info((std::byte *)to_dest);
log && log(xtag("age2", info_copy.age()), xtag("size2", info_copy.size()));
assert((info_copy.age() == config_.arena_config_.header_.max_age())
|| (info_copy.age() == info.age() + 1));
}
if(to_dest == from_src) {
assert(false);
} else {
*(const_cast<AllocHeader*>(info.p_header_))
= AllocHeader(config_
.arena_config_
.header_
.mark_forwarding_tseq(*info.p_header_));
*(void **)from_src = to_dest;
}
return to_dest;
} /*shallow_move*/
#ifdef MARKED
void
GCObjectStore::_forward_children_until_fixpoint(DX1Collector * gc,