1 files changed, 46 insertions, 0 deletions
diff --git a/pkg/declextract/interface.go b/pkg/declextract/interface.go
new file mode 100644
index 000000000..dfb223d16
--- /dev/null
+++ b/pkg/declextract/interface.go
@@ -0,0 +1,46 @@
+// Copyright 2024 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package declextract
+
+import (
+	"slices"
+)
+
+type Interface struct {
+	Type               string
+	Name               string
+	IdentifyingConst   string
+	Files              []string
+	Func               string
+	Access             string
+	Subsystems         []string
+	ManualDescriptions bool
+	AutoDescriptions   bool
+}
+
+const (
+	IfaceSyscall   = "SYSCALL"
+	IfaceNetlinkOp = "NETLINK"
+	IfaceIouring   = "IOURING"
+
+	AccessUnknown = "unknown"
+	AccessUser    = "user"
+	AccessNsAdmin = "ns_admin"
+	AccessAdmin   = "admin"
+)
+
+func (ctx *context) noteInterface(iface *Interface) {
+	ctx.interfaces = append(ctx.interfaces, iface)
+}
+
+func (ctx *context) finishInterfaces() {
+	for _, iface := range ctx.interfaces {
+		slices.Sort(iface.Files)
+		iface.Files = slices.Compact(iface.Files)
+		if iface.Access == "" {
+			iface.Access = AccessUnknown
+		}
+	}
+	ctx.interfaces = sortAndDedupSlice(ctx.interfaces)
+}