ebpf/btf/workarounds.go at master · hmahmood/ebpf

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package btf

// datasecResolveWorkaround ensures that certain vars in a Datasec are added

// to a Spec before the Datasec. This avoids a bug in kernel BTF validation.

// See https://lore.kernel.org/bpf/20230302123440.1193507-1-lmb@isovalent.com/

func datasecResolveWorkaround(spec *Spec, ds *Datasec) error {

for _, vsi := range ds.Vars {

v, ok := vsi.Type.(*Var)

if !ok {

continue

}

switch v.Type.(type) {

case *Typedef, *Volatile, *Const, *Restrict, *typeTag:

_, err := spec.Add(v.Type)

if err != nil {

return err

}

return nil

}