You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.0 KiB
35 lines
1.0 KiB
(module
|
|
(table $t 1 externref)
|
|
|
|
(func (export "init") (param externref)
|
|
(table.set $t (i32.const 0) (local.get 0))
|
|
)
|
|
|
|
(func (export "get-many-externrefs") (param $i i32)
|
|
(loop $continue
|
|
;; Exit when our loop counter `$i` reaches zero.
|
|
(if (i32.eqz (local.get $i))
|
|
(then (return))
|
|
)
|
|
|
|
;; Get an `externref` out of the table. This could cause the
|
|
;; `VMExternRefActivationsTable`'s bump region to reach full capacity,
|
|
;; which triggers a GC.
|
|
;;
|
|
;; Set the table element back into the table, just so that the element is
|
|
;; still considered live at the time of the `table.get`, it ends up in the
|
|
;; stack map, and we poke more of our GC bits.
|
|
(table.set $t (i32.const 0) (table.get $t (i32.const 0)))
|
|
|
|
;; Decrement our loop counter `$i`.
|
|
(local.set $i (i32.sub (local.get $i) (i32.const 1)))
|
|
|
|
;; Continue to the next loop iteration.
|
|
(br $continue)
|
|
)
|
|
unreachable
|
|
)
|
|
)
|
|
|
|
(invoke "init" (ref.extern 1))
|
|
(invoke "get-many-externrefs" (i32.const 8192))
|
|
|