* emultempl/mmix-elfnmmo.em (mmix_after_allocation): Also check

	for presence of .MMIX.reg_contents.linker_allocated before early
	exit.

1 files changed, 14 insertions, 1 deletions

diff --git a/ld/emultempl/mmix-elfnmmo.em b/ld/emultempl/mmix-elfnmmo.em
index 3357d36..44223a8 100644
--- a/ld/emultempl/mmix-elfnmmo.em
+++ b/ld/emultempl/mmix-elfnmmo.em
@@ -61,7 +61,20 @@ mmix_after_allocation ()
     = bfd_get_section_by_name (output_bfd, MMIX_REG_CONTENTS_SECTION_NAME);
   bfd_signed_vma regvma;
 
-  /* If there's no register section, we don't need to do anything.  */
+  /* If there's no register section, we don't need to do anything.  On the
+     other hand, if a non-standard linker-script without a mapping from
+     MMIX_LD_ALLOCATED_REG_CONTENTS_SECTION_NAME is present, as in the ld
+     test "NOCROSSREFS 2", that section (1) will be orphaned; not inserted
+     in MMIX_REG_CONTENTS_SECTION_NAME and (2) we will not do the
+     necessary preparations for those relocations that caused it to be
+     created.  We'll SEGV from the latter error.  The former error in
+     separation will result in a non-working binary, but that's expected
+     when you play tricks with linker scripts.  The "NOCROSSREFS 2" test
+     does not run the output so it does not matter there.  */
+  if (sec == NULL)
+    sec
+      = bfd_get_section_by_name (output_bfd,
+				 MMIX_LD_ALLOCATED_REG_CONTENTS_SECTION_NAME);
   if (sec == NULL)
     return;