Clang generates anonymous data sections named .data..Lanon.<hash>. These need section-symbol references in the same way as .data..Lubsan (GCC) and .data..L__unnamed_ (Clang UBSAN) sections. Without this, convert_reloc_sym() fails when processing relocations that reference these sections.
Acked-by: Song Liu <[email protected]> Signed-off-by: Josh Poimboeuf <[email protected]> --- tools/objtool/klp-diff.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/objtool/klp-diff.c b/tools/objtool/klp-diff.c index 463b6daa5234..7e58ef36f805 100644 --- a/tools/objtool/klp-diff.c +++ b/tools/objtool/klp-diff.c @@ -1030,14 +1030,15 @@ static int convert_reloc_secsym_to_sym(struct elf *elf, struct reloc *reloc) } /* - * Sections with anonymous or uncorrelated data (strings, UBSAN data) - * need section symbol references. + * Sections with anonymous or uncorrelated data (strings, UBSAN data, Clang + * anonymous constants) need section symbol references. */ static bool is_uncorrelated_section(struct section *sec) { return is_string_sec(sec) || strstarts(sec->name, ".data..Lubsan") || /* GCC */ - strstarts(sec->name, ".data..L__unnamed_"); /* Clang */ + strstarts(sec->name, ".data..L__unnamed_") || /* Clang */ + strstarts(sec->name, ".data..Lanon."); /* Clang */ } /* -- 2.53.0
