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patch reflect: Append/Index; Int fix

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This commit is contained in:
xushiwei
2024-06-21 03:29:24 +08:00
parent 0e6f5d154e
commit f26311c60e
9 changed files with 972 additions and 132 deletions
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16
internal/runtime/mbarrier.go
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@@ -286,6 +286,7 @@ func reflect_typedslicecopy(elemType *_type, dst, src slice) int {
}
return typedslicecopy(elemType, dst.array, dst.len, src.array, src.len)
}
*/
// typedmemclr clears the typed memory at ptr with type typ. The
// memory at ptr must already be initialized (and hence in type-safe
@@ -296,20 +297,11 @@ func reflect_typedslicecopy(elemType *_type, dst, src slice) int {
// call memclrHasPointers.
//
// TODO: A "go:nosplitrec" annotation would be perfect for this.
//
//go:nosplit
func typedmemclr(typ *_type, ptr unsafe.Pointer) {
if writeBarrier.needed && typ.PtrBytes != 0 {
bulkBarrierPreWrite(uintptr(ptr), 0, typ.PtrBytes)
}
memclrNoHeapPointers(ptr, typ.Size_)
}
//go:linkname reflect_typedmemclr reflect.typedmemclr
func reflect_typedmemclr(typ *_type, ptr unsafe.Pointer) {
typedmemclr(typ, ptr)
func Typedmemclr(typ *Type, ptr unsafe.Pointer) {
c.Memset(ptr, 0, typ.Size_)
}
/*
//go:linkname reflect_typedmemclrpartial reflect.typedmemclrpartial
func reflect_typedmemclrpartial(typ *_type, ptr unsafe.Pointer, off, size uintptr) {
if writeBarrier.needed && typ.PtrBytes != 0 {