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Support declarative marked TypedData objects on VWA

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This commit is contained in:
Peter Zhu 2023-11-20 11:27:50 -05:00
parent 36afc11ece
commit ad03320743
1 changed files with 12 additions and 29 deletions
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41
gc.c
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@ -7215,33 +7215,6 @@ gc_declarative_marking_p(const rb_data_type_t *type)
return (type->flags & RUBY_TYPED_DECL_MARKING) != 0;
}
#define EDGE (VALUE *)((char *)data_struct + offset)
static inline void
gc_mark_from_offset(rb_objspace_t *objspace, VALUE obj)
{
// we are overloading the dmark callback to contain a list of offsets
size_t *offset_list = (size_t *)RANY(obj)->as.typeddata.type->function.dmark;
void *data_struct = RANY(obj)->as.typeddata.data;
for (size_t offset = *offset_list; *offset_list != RUBY_REF_END; offset = *offset_list++) {
rb_gc_mark_movable(*EDGE);
}
}
static inline void
gc_ref_update_from_offset(rb_objspace_t *objspace, VALUE obj)
{
// we are overloading the dmark callback to contain a list of offsets
size_t *offset_list = (size_t *)RANY(obj)->as.typeddata.type->function.dmark;
void *data_struct = RANY(obj)->as.typeddata.data;
for (size_t offset = *offset_list; *offset_list != RUBY_REF_END; offset = *offset_list++) {
if (SPECIAL_CONST_P(*EDGE)) continue;
*EDGE = rb_gc_location(*EDGE);
}
}
static void mark_cvc_tbl(rb_objspace_t *objspace, VALUE klass);
static void
@ -7353,7 +7326,11 @@ gc_mark_children(rb_objspace_t *objspace, VALUE obj)
if (ptr) {
if (RTYPEDDATA_P(obj) && gc_declarative_marking_p(any->as.typeddata.type)) {
gc_mark_from_offset(objspace, obj);
size_t *offset_list = (size_t *)RANY(obj)->as.typeddata.type->function.dmark;
for (size_t offset = *offset_list; *offset_list != RUBY_REF_END; offset = *offset_list++) {
rb_gc_mark_movable(*(VALUE *)((char *)ptr + offset));
}
}
else {
RUBY_DATA_FUNC mark_func = RTYPEDDATA_P(obj) ?
@ -10700,7 +10677,13 @@ gc_update_object_references(rb_objspace_t *objspace, VALUE obj)
void *const ptr = RTYPEDDATA_P(obj) ? RTYPEDDATA_GET_DATA(obj) : DATA_PTR(obj);
if (ptr) {
if (RTYPEDDATA_P(obj) && gc_declarative_marking_p(any->as.typeddata.type)) {
gc_ref_update_from_offset(objspace, obj);
size_t *offset_list = (size_t *)RANY(obj)->as.typeddata.type->function.dmark;
for (size_t offset = *offset_list; *offset_list != RUBY_REF_END; offset = *offset_list++) {
VALUE *ref = (VALUE *)((char *)ptr + offset);
if (SPECIAL_CONST_P(*ref)) continue;
*ref = rb_gc_location(*ref);
}
}
else if (RTYPEDDATA_P(obj)) {
RUBY_DATA_FUNC compact_func = any->as.typeddata.type->function.dcompact;