Always add a null function at table index zero

This allows function references (a table index internally) to be nullable
This commit is contained in:
dcodeIO
2018-09-17 01:48:35 +02:00
parent 9613d29d93
commit 16d1a833dd
170 changed files with 973 additions and 368 deletions

View File

@ -19,10 +19,10 @@
(global $std/gc-basics/obj (mut i32) (i32.const 0))
(global $std/gc-basics/obj2 (mut i32) (i32.const 0))
(global $~started (mut i32) (i32.const 0))
(table 3 3 anyfunc)
(elem (i32.const 0) $std/gc-basics/MyObject_visit $~lib/collector/itcm/__gc_mark $~lib/string/String~gc)
(table 4 4 anyfunc)
(elem (i32.const 0) $null $std/gc-basics/MyObject_visit $~lib/collector/itcm/__gc_mark $~lib/string/String~gc)
(memory $0 1)
(data (i32.const 16) "\02\00\00\00\00\00\00\00\10\00\00\00s\00t\00d\00/\00g\00c\00-\00b\00a\00s\00i\00c\00s\00.\00t\00s")
(data (i32.const 16) "\03\00\00\00\00\00\00\00\10\00\00\00s\00t\00d\00/\00g\00c\00-\00b\00a\00s\00i\00c\00s\00.\00t\00s")
(export "memory" (memory $0))
(export "table" (table $0))
(export "main" (func $std/gc-basics/main))
@ -441,7 +441,7 @@
(i32.const 20)
)
)
(i32.const 0)
(i32.const 1)
)
(call $~lib/collector/itcm/ManagedObject#set:color
(get_local $0)
@ -594,8 +594,11 @@
)
)
(if
(i32.load offset=8
(get_local $0)
(i32.ne
(i32.load offset=8
(get_local $0)
)
(i32.const 1)
)
(block
(call $~lib/env/abort
@ -644,14 +647,17 @@
)
(call $~lib/gc/gc.collect)
)
(func $~iterateRoots (; 19 ;) (; has Stack IR ;) (type $FUNCSIG$v)
(func $null (; 19 ;) (; has Stack IR ;) (type $v)
(nop)
)
(func $~iterateRoots (; 20 ;) (; has Stack IR ;) (type $FUNCSIG$v)
(call_indirect (type $iv)
(get_global $std/gc-basics/obj)
(i32.const 1)
(i32.const 2)
)
(call_indirect (type $iv)
(get_global $std/gc-basics/obj2)
(i32.const 1)
(i32.const 2)
)
)
)