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Always add a null function at table index zero

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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
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28
tests/compiler/std/gc-array.untouched.wat
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@ -31,13 +31,13 @@
(global $~lib/internal/arraybuffer/MAX_BLENGTH i32 (i32.const 1073741816))
(global $~started (mut i32) (i32.const 0))
(global $HEAP_BASE i32 (i32.const 180))
(table 6 6 anyfunc)
(elem (i32.const 0) $~lib/arraybuffer/ArrayBuffer~gc $~lib/array/Array<Foo>~gc $~lib/collector/itcm/__gc_mark $std/gc-array/Foo~gc $~lib/string/String~gc $~lib/internal/arraybuffer/__gc)
(table 7 7 anyfunc)
(elem (i32.const 0) $null $~lib/arraybuffer/ArrayBuffer~gc $~lib/array/Array<Foo>~gc $~lib/collector/itcm/__gc_mark $std/gc-array/Foo~gc $~lib/string/String~gc $~lib/internal/arraybuffer/__gc)
(memory $0 1)
(data (i32.const 8) "\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
(data (i32.const 32) "\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\18\00\00\00\00\00\00\00")
(data (i32.const 56) "\00\00\00\00\00\00\00\00\04\00\00\00\00\00\00\00\0d\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00")
(data (i32.const 104) "\00\00\00\00\00\00\00\00\04\00\00\00\00\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00i\00n\00t\00e\00r\00n\00a\00l\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
(data (i32.const 8) "\00\00\00\00\00\00\00\00\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
(data (i32.const 32) "\00\00\00\00\00\00\00\00\02\00\00\00\00\00\00\00\18\00\00\00\00\00\00\00")
(data (i32.const 56) "\00\00\00\00\00\00\00\00\05\00\00\00\00\00\00\00\0d\00\00\00~\00l\00i\00b\00/\00a\00r\00r\00a\00y\00.\00t\00s\00")
(data (i32.const 104) "\00\00\00\00\00\00\00\00\05\00\00\00\00\00\00\00\1c\00\00\00~\00l\00i\00b\00/\00i\00n\00t\00e\00r\00n\00a\00l\00/\00a\00r\00r\00a\00y\00b\00u\00f\00f\00e\00r\00.\00t\00s\00")
(export "memory" (memory $0))
(export "table" (table $0))
(export "main" (func $std/gc-array/main))
@ -473,7 +473,7 @@
)
(block
(call $~iterateRoots
(i32.const 2)
(i32.const 3)
)
(set_global $~lib/collector/itcm/state
(get_global $~lib/collector/itcm/State.MARK)
@ -519,7 +519,7 @@
)
(block
(call $~iterateRoots
(i32.const 2)
(i32.const 3)
)
(set_local $0
(call $~lib/collector/itcm/ManagedObject#get:next
@ -1114,7 +1114,7 @@
(call $~lib/internal/arraybuffer/computeSize
(get_local $0)
)
(i32.const 5)
(i32.const 6)
)
)
(i32.store
@ -3570,7 +3570,7 @@
(set_local $0
(call $~lib/collector/itcm/__gc_allocate
(i32.const 0)
(i32.const 3)
(i32.const 4)
)
)
(get_local $0)
@ -3584,7 +3584,7 @@
(set_local $1
(call $~lib/collector/itcm/__gc_allocate
(i32.const 0)
(i32.const 3)
(i32.const 4)
)
)
(get_local $1)
@ -3598,7 +3598,7 @@
(set_local $2
(call $~lib/collector/itcm/__gc_allocate
(i32.const 0)
(i32.const 3)
(i32.const 4)
)
)
(get_local $2)
@ -3606,7 +3606,9 @@
)
(call $~lib/gc/gc.collect)
)
(func $~iterateRoots (; 31 ;) (type $iv) (param $0 i32)
(func $null (; 31 ;) (type $v)
)
(func $~iterateRoots (; 32 ;) (type $iv) (param $0 i32)
(call_indirect (type $iv)
(get_global $std/gc-array/arr)
(get_local $0)