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xo-callback xo-alloc: + GC copy callbacks + unique_ptr cbset support

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This commit is contained in:
Roland Conybeare 2025-08-12 12:53:06 -05:00
commit 279a1a040c
3 changed files with 47 additions and 2 deletions
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20
src/alloc/GC.cpp
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@ -289,6 +289,12 @@ namespace xo {
gc_root_v_.push_back(addr);
}
auto
GC::add_gc_copy_callback(up<GcCopyCallback> fn) -> CallbackId
{
return gc_copy_cbset_.add_callback(std::move(fn));
}
void
GC::checkpoint()
{
@ -322,16 +328,19 @@ namespace xo {
{
scope log(XO_DEBUG(config_.debug_flag_), xtag("z", z), xtag("+pad", IAlloc::alloc_padding(z)));
generation_result gr = this->fromspace_generation_of(src);
generation_result src_gr = this->fromspace_generation_of(src);
std::byte * retval = nullptr;
switch (gr) {
switch (src_gr) {
case generation_result::tenured:
{
log && log("tenured");
retval = this->tenured_to()->alloc(z);
gc_copy_cbset_.invoke(&GcCopyCallback::notify_gc_copy,
z, src, retval, generation::tenured, generation::tenured);
}
break;
case generation_result::nursery:
@ -347,11 +356,18 @@ namespace xo {
assert(this->tospace_generation_of(retval) == generation_result::tenured);
gc_copy_cbset_.invoke(&GcCopyCallback::notify_gc_copy,
z, src, retval, generation::nursery, generation::tenured);
this->gc_statistics_.total_promoted_ += IAlloc::with_padding(z);
} else {
log && log("nursery");
retval = this->nursery_to()->alloc(z);
gc_copy_cbset_.invoke(&GcCopyCallback::notify_gc_copy,
z, src, retval, generation::nursery, generation::nursery);
}
}
break;