elf: Strip zero-sized dynamic sections

[thirdparty/binutils-gdb.git] / ld / ldelfgen.c

diff --git a/ld/ldelfgen.c b/ld/ldelfgen.c
index 21739b19ca1c8b40cc8fe654329b371da7bc9c05..c0568f169ff69e32abf01c4b3c7b4c92e07f7a7a 100644 (file)
--- a/ld/ldelfgen.c
+++ b/ld/ldelfgen.c
@@ -73,6 +73,19 @@ ldelf_map_segments (bfd_boolean need_layout)
 
   if (tries == 0)
     einfo (_("%F%P: looping in map_segments"));
+
+  if (link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour
+      && lang_phdr_list == NULL)
+    {
+      /* If we don't have user supplied phdrs, strip zero-sized dynamic
+        sections and regenerate program headers.  */
+      const struct elf_backend_data *bed
+       = get_elf_backend_data (link_info.output_bfd);
+      if (bed->elf_backend_strip_zero_sized_dynamic_sections
+         && !bed->elf_backend_strip_zero_sized_dynamic_sections
+               (&link_info))
+         einfo (_("%F%P: failed to strip zero-sized dynamic sections"));
+    }
 }
 
 /* We want to emit CTF early if and only if we are not targetting ELF with this