On Thu, 2025-11-13 at 13:39 +0100, Paul Houssel wrote: > Handle recursive typedefs in BTF deduplication > > Pahole fails to encode BTF for some Go projects (e.g. Kubernetes and > Podman) due to recursive type definitions that create reference loops > not representable in C. These recursive typedefs trigger a failure in > the BTF deduplication algorithm. > > This patch extends btf_dedup_ref_type() to properly handle potential > recursion for BTF_KIND_TYPEDEF, similar to how recursion is already > handled for BTF_KIND_STRUCT. This allows pahole to successfully > generate BTF for Go binaries using recursive types without impacting > existing C-based workflows. > > Co-developed-by: Martin Horth <[email protected]> > Signed-off-by: Martin Horth <[email protected]> > Co-developed-by: Ouail Derghal <[email protected]> > Signed-off-by: Ouail Derghal <[email protected]> > Co-developed-by: Guilhem Jazeron <[email protected]> > Signed-off-by: Guilhem Jazeron <[email protected]> > Co-developed-by: Ludovic Paillat <[email protected]> > Signed-off-by: Ludovic Paillat <[email protected]> > Co-developed-by: Robin Theveniaut <[email protected]> > Signed-off-by: Robin Theveniaut <[email protected]> > Suggested-by: Tristan d'Audibert <[email protected]> > Signed-off-by: Paul Houssel <[email protected]> > > ---
Acked-by: Eduard Zingerman <[email protected]> [...]
