Related: PR29397 (binutils: support zstd for SHF_COMPRESSED debug sections), PR29563 (gdb: support zstd for SHF_COMPRESSED debug sections). At a glance, src/elfcompress.c and src/readelf.c need to support ELFCOMPRESS_ZSTD
First part patch: https://sourceware.org/pipermail/elfutils-devel/2022q4/005491.html
Implemented in a5b07cdf9c491fb7a4a16598c482c68b718f59b9.