elf: Check bfd_target_elf_flavour on input first

Check bfd_target_elf_flavour on input first in ldelf_after_open before
checking elf_tdata.

	* ldelf.c (ldelf_after_open): Check bfd_target_elf_flavour first.

diff --git a/ld/ChangeLog b/ld/ChangeLog
index c65a18873607062f7885cf3fdd3739b2f79a795a..01587d86214511f60fdd9c9e62550b2eee8f4783 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,7 @@
+2020-09-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * ldelf.c (ldelf_after_open): Check bfd_target_elf_flavour first.
+
 2020-09-15  Hans-Peter Nilsson  <hp@axis.com>
 
        PR ld/26589

diff --git a/ld/ldelf.c b/ld/ldelf.c
index 75c6c015aee8002e6f744adc5b9b261ad7163147..c37358f05e58e19a810110e0a8440ad218caa665 100644 (file)
--- a/ld/ldelf.c
+++ b/ld/ldelf.c
@@ -1043,7 +1043,8 @@ ldelf_after_open (int use_libpath, int native, int is_linux, int is_freebsd,
   /* Do not allow executable files to be used as inputs to the link.  */
   for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
     {
-      if (!bfd_input_just_syms (abfd)
+      if (abfd->xvec->flavour == bfd_target_elf_flavour
+         && !bfd_input_just_syms (abfd)
          && elf_tdata (abfd) != NULL
          && elf_tdata (abfd)->elf_header != NULL
          /* FIXME: Maybe check for other non-supportable types as well ?  */