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Merge pull request #518 from visualfc/ptrsize

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runtime: init abi.Type.PtrBytes
This commit is contained in:
xushiwei
2024-08-15 19:56:56 +08:00
committed by GitHub
parent a5c114a848 9e6aed0760
commit bb2a6b73fe
2 changed files with 19 additions and 2 deletions
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4
internal/runtime/z_face.go
View File

@@ -190,7 +190,8 @@ func doInitNamed(ret *Type, pkgPath, fullName string, underlying *Type, methods
func Func(in, out []*Type, variadic bool) *FuncType {
ret := &FuncType{
Type: Type{
Size_: unsafe.Sizeof(uintptr(0)),
Size_: 2 * unsafe.Sizeof(uintptr(0)),
PtrBytes: 2 * pointerSize,
Hash: uint32(abi.Func), // TODO(xsw): hash
Align_: uint8(pointerAlign),
FieldAlign_: uint8(pointerAlign),
@@ -212,6 +213,7 @@ func Interface(pkgPath, name string, methods []Imethod) *InterfaceType {
ret := &abi.InterfaceType{
Type: Type{
Size_: unsafe.Sizeof(eface{}),
PtrBytes: 2 * pointerSize,
Hash: uint32(abi.Interface), // TODO(xsw): hash
Align_: uint8(pointerAlign),
FieldAlign_: uint8(pointerAlign),

17
internal/runtime/z_type.go
View File

@@ -72,8 +72,13 @@ func Basic(_kind Kind) *Type {
kind := _kind & abi.KindMask
if tyBasic[kind] == nil {
name, size, align := basicTypeInfo(kind)
var bytes uintptr
if kind == abi.String {
bytes = pointerSize
}
tyBasic[kind] = &Type{
Size_: size,
PtrBytes: bytes,
Hash: uint32(kind), // TODO(xsw): hash
Align_: uint8(align),
FieldAlign_: uint8(align),
@@ -160,6 +165,9 @@ func Struct(pkgPath string, size uintptr, fields ...abi.StructField) *Type {
if ft.Align_ > typalign {
typalign = ft.Align_
}
if f.Typ.PtrBytes != 0 {
ret.PtrBytes = f.Offset + f.Typ.PtrBytes
}
comparable = comparable && (ft.Equal != nil)
}
ret.Align_ = typalign
@@ -207,6 +215,7 @@ func newPointer(elem *Type) *Type {
ptr := &abi.PtrType{
Type: Type{
Size_: unsafe.Sizeof(uintptr(0)),
PtrBytes: pointerSize,
Hash: uint32(abi.Pointer), // TODO(xsw): hash
Align_: pointerAlign,
FieldAlign_: pointerAlign,
@@ -230,6 +239,7 @@ func SliceOf(elem *Type) *Type {
ret := &abi.SliceType{
Type: Type{
Size_: unsafe.Sizeof([]int{}),
PtrBytes: pointerSize,
Hash: uint32(abi.Slice),
Align_: pointerAlign,
FieldAlign_: pointerAlign,
@@ -256,6 +266,9 @@ func ArrayOf(length uintptr, elem *Type) *Type {
Slice: SliceOf(elem),
Len: length,
}
if length != 0 && elem.PtrBytes != 0 {
ret.PtrBytes = ret.Size_ - elem.Size_ + elem.PtrBytes
}
if eequal := elem.Equal; eequal != nil {
if elem.Size_ == 0 {
ret.Equal = memequal0
@@ -284,7 +297,8 @@ func ArrayOf(length uintptr, elem *Type) *Type {
func ChanOf(dir int, strChan string, elem *Type) *Type {
ret := &abi.ChanType{
Type: Type{
Size_: 8,
Size_: pointerSize,
PtrBytes: pointerSize,
Hash: uint32(abi.Chan),
Align_: pointerAlign,
TFlag: abi.TFlagRegularMemory,
@@ -303,6 +317,7 @@ func MapOf(key, elem *Type, bucket *Type, flags int) *Type {
ret := &abi.MapType{
Type: Type{
Size_: unsafe.Sizeof(uintptr(0)),
PtrBytes: pointerSize,
Hash: uint32(abi.Map),
Align_: pointerAlign,
FieldAlign_: pointerAlign,