Fix: strip --strip-debug breaks relocations

  PR 31106
  * elfcode.h (elf_write_relocs): Do not convert a relocation against a zero-value absolute symbol into a relocation without a symbol if the symbol is being used for a complex relocation.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index e9f571acac26690cf5a4216cb4fed3223340dd6e..1cc8d3ae9f04e6726fe10021c736e4ea94bb6195 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2023-12-05  Nick Clifton  <nickc@redhat.com>
+
+       PR 31106
+       * elfcode.h (elf_write_relocs): Do not convert a relocation
+       against a zero-value absolute symbol into a relocation without a
+       symbol if the symbol is being used for a complex relocation.
+
 2023-11-21  Nick Clifton  <nickc@redhat.com>
 
        PR 31067

diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index ab8c3eaaf4c6f152e1134a1a4a32e11742ef46b3..2c2eb368df986bdc02b2187cbb6f145a405804d0 100644 (file)
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -1014,7 +1014,13 @@ elf_write_relocs (bfd *abfd, asection *sec, void *data)
       sym = *ptr->sym_ptr_ptr;
       if (sym == last_sym)
        n = last_sym_idx;
-      else if (bfd_is_abs_section (sym->section) && sym->value == 0)
+      /* If the relocation is against an absolute symbol whoes value is
+        zero, then the symbol can be dropped, simplifying the reloc.
+        PR 31106: Except for complex relocations where the symbols
+        itself might be significant.  */
+      else if (bfd_is_abs_section (sym->section)
+              && sym->value == 0
+              && (sym->flags & BSF_RELC) == 0)
        n = STN_UNDEF;
       else
        {