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Output object_id in object metadata for MMTk

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This commit is contained in:
Peter Zhu 2025-03-12 09:55:27 -04:00
parent bdb25959fb
commit 31cf2684b0
Notes: git 2025-03-13 14:12:43 +00:00 
Merged: https://github.com/ruby/ruby/pull/12915
1 changed files with 22 additions and 3 deletions
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25
gc/mmtk/mmtk.c
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@ -1318,14 +1318,33 @@ rb_gc_impl_stat_heap(void *objspace_ptr, VALUE heap_name, VALUE hash_or_sym)
// Miscellaneous // Miscellaneous
#define RB_GC_OBJECT_METADATA_ENTRY_COUNT 0 #define RB_GC_OBJECT_METADATA_ENTRY_COUNT 1
static struct rb_gc_object_metadata_entry object_metadata_entries[RB_GC_OBJECT_METADATA_ENTRY_COUNT + 1]; static struct rb_gc_object_metadata_entry object_metadata_entries[RB_GC_OBJECT_METADATA_ENTRY_COUNT + 1];
struct rb_gc_object_metadata_entry * struct rb_gc_object_metadata_entry *
rb_gc_impl_object_metadata(void *objspace_ptr, VALUE obj) rb_gc_impl_object_metadata(void *objspace_ptr, VALUE obj)
{ {
object_metadata_entries[0].name = 0; static ID ID_object_id;
object_metadata_entries[0].val = 0;
if (!ID_object_id) {
#define I(s) ID_##s = rb_intern(#s);
I(object_id);
#undef I
}
size_t n = 0;
#define SET_ENTRY(na, v) do { \
RUBY_ASSERT(n <= RB_GC_OBJECT_METADATA_ENTRY_COUNT); \
object_metadata_entries[n].name = ID_##na; \
object_metadata_entries[n].val = v; \
n++; \
} while (0)
if (FL_TEST(obj, FL_SEEN_OBJ_ID)) SET_ENTRY(object_id, rb_obj_id(obj));
object_metadata_entries[n].name = 0;
object_metadata_entries[n].val = 0;
return object_metadata_entries; return object_metadata_entries;
} }