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xo-interpreter2: virtual root for VSM itself

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This commit is contained in:
Roland Conybeare 2026-03-25 20:06:40 -04:00
commit fe752bc6d3
1 changed files with 10 additions and 2 deletions
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12
src/interpreter2/DVirtualSchematikaMachine.cpp
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@ -47,6 +47,7 @@ namespace xo {
using xo::mm::AGCObject;
using xo::mm::MemorySizeInfo;
using xo::mm::AAllocator;
using xo::mm::ACollector;
using xo::mm::DX1Collector;
using xo::mm::DArena;
using xo::facet::FacetRegistry;
@ -71,8 +72,9 @@ namespace xo {
// (though DX1Collector allocations will be from explictly mmap'd memory)
//
DVirtualSchematikaMachine::DVirtualSchematikaMachine(const VsmConfig & config,
obj<AAllocator> aux_mm)
obj<AAllocator> aux_mm)
: config_{config},
self_vroot_{obj<AGCObject,DVirtualSchematikaMachine>(this)},
aux_mm_{aux_mm},
mm_(abox<AAllocator,DX1Collector>::make(aux_mm_, config.x1_config_)),
rcx_(abox<ARuntimeContext,DVsmRcx>::make(aux_mm_, this)),
@ -88,7 +90,13 @@ namespace xo {
this->global_env_
= obj<AGCObject,DGlobalEnv>(reader_.global_env());
//this->_add_gc_roots();
// TODO:
// annoying to have to create self_vroot_ to appease
// add_gc_root_poly() signature.
// In practice gc won't modify the pointer
// (instead traverses it to find +update children)
//
mm_.to_op().to_facet<ACollector>().add_gc_root_poly(&self_vroot_);
}
DVirtualSchematikaMachine *