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dwarf_dieoffset() is relative to the file the DIE is in, so an offset saved by die_collect_vars()/die_collect_global_vars() is only meaningful in that file: add die_same_file(), comparing the Dwarf each DIE's CU belongs to, and die_get_type_die(), resolving the offset in it with the saved tag as a sanity check. Resolving the offset in the main file instead parses whatever is at it when it came from the dwz common file. dwarf_cu_getdwarf() is new in elfutils 0.160, so the libdw feature test probes for it and Makefile.config says 0.160. Reviewed-by: Ian Rogers <irogers@google.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Assisted-by: LLM Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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