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-rw-r--r--util/cbfstool/rmodule.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/util/cbfstool/rmodule.c b/util/cbfstool/rmodule.c
index b21f777cd2..d47639c8c1 100644
--- a/util/cbfstool/rmodule.c
+++ b/util/cbfstool/rmodule.c
@@ -168,6 +168,19 @@ static int relocation_for_weak_extern_symbols(struct rmod_context *ctx, Elf64_Re
return 0;
}
+static int relocation_for_undefined_symbol(struct rmod_context *ctx, Elf64_Rela *r)
+{
+ Elf64_Sym *s = &ctx->pelf.syms[ELF64_R_SYM(r->r_info)];
+
+ if (s->st_shndx == SHN_UNDEF) {
+ DEBUG("Omitting relocation for undefined symbol: %s\n",
+ &ctx->strtab[s->st_name]);
+ return 1;
+ }
+
+ return 0;
+}
+
/*
* Relocation processing loops.
*/
@@ -213,6 +226,9 @@ static int for_each_reloc(struct rmod_context *ctx, struct reloc_filter *f,
if (relocation_for_weak_extern_symbols(ctx, r))
continue;
+ if (relocation_for_undefined_symbol(ctx, r))
+ continue;
+
/* Allow the provided filter to have precedence. */
if (f != NULL) {
filter_emit = f->filter(f, r);