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

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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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3
include/xo/gc/DX1Collector.hpp
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@ -223,6 +223,9 @@ namespace xo {
/** memory (virtual addresses) reserved for generation @p g in role @p r **/
size_type reserved(Generation g, role r) const noexcept;
/** very similar to generation_of(), but satisfies ACollector api **/
std::int32_t locate_address(const void * addr) const noexcept;
// ----- full statistics -----
/** Report gc statistics as a dictionary.

4
include/xo/gc/detail/ICollector_DX1Collector.hpp
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@ -53,6 +53,10 @@ namespace xo {
static size_type committed(const DX1Collector & self, Generation g, role r) noexcept;
/** address space reserved for this collector **/
static size_type reserved(const DX1Collector & self, Generation g, role r) noexcept;
/** Location of object in collector. -1 if not in collector memory.
Other negative values represent collector error states (good luck!).
Exact meaning of non-negative values up to collector implementation **/
static std::int32_t locate_address(const DX1Collector & self, const void * addr) noexcept;
/** true if gc responsible for data at @p addr, and data belongs to role @p r **/
static bool contains(const DX1Collector & self, role r, const void * addr) noexcept;
/** true iff gc-aware object of type @p tseq is installed in this collector **/