go.mod: runc v1.0.1

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

vendor/github.com/cilium/ebpf/internal/btf/btf.go

@@ -377,7 +377,7 @@ func (s *Spec) marshal(opts marshalOpts) ([]byte, error) {
 	for _, raw := range s.rawTypes {
 		switch {
 		case opts.StripFuncLinkage && raw.Kind() == kindFunc:
-			raw.SetLinkage(linkageStatic)
+			raw.SetLinkage(StaticFunc)
 		}
 
 		if err := raw.Marshal(&buf, opts.ByteOrder); err != nil {
@@ -779,7 +779,7 @@ var haveFuncLinkage = internal.FeatureTest("BTF func linkage", "5.6", func() err
 	types.Func.SetKind(kindFunc)
 	types.Func.SizeType = 1 // aka FuncProto
 	types.Func.NameOff = 1
-	types.Func.SetLinkage(linkageGlobal)
+	types.Func.SetLinkage(GlobalFunc)
 
 	btf := marshalBTF(&types, strings, internal.NativeEndian)
 

vendor/github.com/cilium/ebpf/internal/btf/btf_types.go

@@ -6,6 +6,8 @@ import (
 	"io"
 )
 
+//go:generate stringer -linecomment -output=btf_types_string.go -type=FuncLinkage,VarLinkage
+
 // btfKind describes a Type.
 type btfKind uint8
 
@@ -31,14 +33,23 @@ const (
 	kindDatasec
 )
 
-// btfFuncLinkage describes BTF function linkage metadata.
-type btfFuncLinkage uint8
+// FuncLinkage describes BTF function linkage metadata.
+type FuncLinkage int
 
 // Equivalent of enum btf_func_linkage.
 const (
-	linkageStatic btfFuncLinkage = iota
-	linkageGlobal
-	// linkageExtern // Currently unused in libbpf.
+	StaticFunc FuncLinkage = iota // static
+	GlobalFunc                    // global
+	ExternFunc                    // extern
+)
+
+// VarLinkage describes BTF variable linkage metadata.
+type VarLinkage int
+
+const (
+	StaticVar VarLinkage = iota // static
+	GlobalVar                   // global
+	ExternVar                   // extern
 )
 
 const (
@@ -144,11 +155,11 @@ func (bt *btfType) KindFlag() bool {
 	return bt.info(btfTypeKindFlagMask, btfTypeKindFlagShift) == 1
 }
 
-func (bt *btfType) Linkage() btfFuncLinkage {
-	return btfFuncLinkage(bt.info(btfTypeVlenMask, btfTypeVlenShift))
+func (bt *btfType) Linkage() FuncLinkage {
+	return FuncLinkage(bt.info(btfTypeVlenMask, btfTypeVlenShift))
 }
 
-func (bt *btfType) SetLinkage(linkage btfFuncLinkage) {
+func (bt *btfType) SetLinkage(linkage FuncLinkage) {
 	bt.setInfo(uint32(linkage), btfTypeVlenMask, btfTypeVlenShift)
 }
 

vendor/github.com/cilium/ebpf/internal/btf/btf_types_string.go

@@ -0,0 +1,44 @@
+// Code generated by "stringer -linecomment -output=btf_types_string.go -type=FuncLinkage,VarLinkage"; DO NOT EDIT.
+
+package btf
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[StaticFunc-0]
+	_ = x[GlobalFunc-1]
+	_ = x[ExternFunc-2]
+}
+
+const _FuncLinkage_name = "staticglobalextern"
+
+var _FuncLinkage_index = [...]uint8{0, 6, 12, 18}
+
+func (i FuncLinkage) String() string {
+	if i < 0 || i >= FuncLinkage(len(_FuncLinkage_index)-1) {
+		return "FuncLinkage(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _FuncLinkage_name[_FuncLinkage_index[i]:_FuncLinkage_index[i+1]]
+}
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[StaticVar-0]
+	_ = x[GlobalVar-1]
+	_ = x[ExternVar-2]
+}
+
+const _VarLinkage_name = "staticglobalextern"
+
+var _VarLinkage_index = [...]uint8{0, 6, 12, 18}
+
+func (i VarLinkage) String() string {
+	if i < 0 || i >= VarLinkage(len(_VarLinkage_index)-1) {
+		return "VarLinkage(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _VarLinkage_name[_VarLinkage_index[i]:_VarLinkage_index[i+1]]
+}

vendor/github.com/cilium/ebpf/internal/btf/types.go

@@ -380,11 +380,12 @@ func (r *Restrict) copy() Type {
 type Func struct {
 	TypeID
 	Name
-	Type Type
+	Type    Type
+	Linkage FuncLinkage
 }
 
 func (f *Func) String() string {
-	return fmt.Sprintf("func#%d[%q proto=#%d]", f.TypeID, f.Name, f.Type.ID())
+	return fmt.Sprintf("func#%d[%s %q proto=#%d]", f.TypeID, f.Linkage, f.Name, f.Type.ID())
 }
 
 func (f *Func) walk(tdq *typeDeque) { tdq.push(&f.Type) }
@@ -433,12 +434,12 @@ type FuncParam struct {
 type Var struct {
 	TypeID
 	Name
-	Type Type
+	Type    Type
+	Linkage VarLinkage
 }
 
 func (v *Var) String() string {
-	// TODO: Linkage
-	return fmt.Sprintf("var#%d[%q]", v.TypeID, v.Name)
+	return fmt.Sprintf("var#%d[%s %q]", v.TypeID, v.Linkage, v.Name)
 }
 
 func (v *Var) walk(tdq *typeDeque) { tdq.push(&v.Type) }
@@ -803,7 +804,7 @@ func inflateRawTypes(rawTypes []rawType, rawStrings stringTable) (types []Type,
 			typ = restrict
 
 		case kindFunc:
-			fn := &Func{id, name, nil}
+			fn := &Func{id, name, nil, raw.Linkage()}
 			fixup(raw.Type(), kindFuncProto, &fn.Type)
 			typ = fn
 
@@ -828,7 +829,8 @@ func inflateRawTypes(rawTypes []rawType, rawStrings stringTable) (types []Type,
 			typ = fp
 
 		case kindVar:
-			v := &Var{id, name, nil}
+			variable := raw.data.(*btfVariable)
+			v := &Var{id, name, nil, VarLinkage(variable.Linkage)}
 			fixup(raw.Type(), kindUnknown, &v.Type)
 			typ = v