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xo-gc stack: + gc-location-of() primitive

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This commit is contained in:
Roland Conybeare 2026-03-29 19:47:15 -04:00
commit caf2cb3e9b
4 changed files with 35 additions and 0 deletions
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22
src/gc/DX1Collector.cpp
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@ -342,6 +342,27 @@ namespace xo {
return stat_helper(*this, &DArena::reserved, g, r);
}
std::int32_t
DX1Collector::locate_address(const void * addr) const noexcept
{
Generation g;
g = this->generation_of(role::to_space(), addr);
if (!g.is_sentinel())
return g;
g = this->generation_of(role::from_space(), addr);
if (!g.is_sentinel()) {
// use negative values for
return -1 - g;
}
return -1;
}
// editor bait: report-gc-statistics
bool
DX1Collector::report_statistics(obj<AAllocator> mm,
@ -362,6 +383,7 @@ namespace xo {
//
ok &= rpt->upsert_cstr(mm, "n-generation", DInteger::box(mm, config_.n_generation_));
ok &= rpt->upsert_cstr(mm, "n-survive-threshold", DInteger::box(mm, config_.n_survive_threshold_));
ok &= rpt->upsert_cstr(mm, "allow-incremental-gc", DBoolean::box(mm, config_.allow_incremental_gc_));
ok &= rpt->upsert_cstr(mm, "allocated", DInteger::box(mm, this->allocated()));
ok &= rpt->upsert_cstr(mm, "committed", DInteger::box(mm, this->committed()));
ok &= rpt->upsert_cstr(mm, "reserved", DInteger::box(mm, this->reserved()));