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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 b780d1da4c
17 changed files with 149 additions and 18 deletions
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21
include/xo/alloc2/alloc/RAllocator.hpp
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@ -5,7 +5,7 @@
#pragma once
#include "AAllocator.hpp"
#include "Allocator_basic.hpp" // omits RAllocator_aux
#include "AllocIterator.hpp"
#include <xo/facet/RRouter.hpp>
#include <string>
@ -66,13 +66,30 @@ namespace xo {
AllocInfo alloc_info(value_type mem) const noexcept { return O::iface()->alloc_info(O::data(), mem); }
range_type alloc_range(DArena & mm) const noexcept { return O::iface()->alloc_range(O::data(), mm); }
bool expand(size_type z) { return O::iface()->expand(O::data(), z); }
value_type alloc(typeseq t, size_type z) noexcept { return O::iface()->alloc(O::data(), t, z); }
value_type super_alloc(typeseq t, size_type z) noexcept { return O::iface()->super_alloc(O::data(), t, z); }
value_type sub_alloc(size_type z,
bool complete_flag) noexcept { return O::iface()->sub_alloc(O::data(),
z, complete_flag); }
value_type alloc_copy(value_type src) noexcept { return O::iface()->alloc_copy(O::data(), src); }
bool expand(size_type z) { return O::iface()->expand(O::data(), z); }
void clear() { O::iface()->clear(O::data()); }
void barrier_assign_aux(void * parent,
AGCObject * lhs_iface, void ** lhs_data,
AGCObject * rhs_iface, void * rhs_data) noexcept { O::iface()->barrier_assign_aux(O::data(), parent,
lhs_iface, lhs_data,
rhs_iface, rhs_data); }
void barrier_assign(void * parent,
obj<AGCObject> * p_lhs,
obj<AGCObject> rhs) noexcept;
#ifdef NOT_YET
this->barrier_assign_aux(parent,
p_lhs->iface(),
p_lhs->opaque_data_addr(),
rhs.iface(),
rhs.opaque_data());
#endif
static bool _valid;
};