* emultempl/mmix-elfnmmo.em (mmix_after_allocation): Also check
authorHans-Peter Nilsson <hp@axis.com>
Fri, 15 Feb 2002 06:50:19 +0000 (06:50 +0000)
committerHans-Peter Nilsson <hp@axis.com>
Fri, 15 Feb 2002 06:50:19 +0000 (06:50 +0000)
for presence of .MMIX.reg_contents.linker_allocated before early
exit.

ld/ChangeLog
ld/emultempl/mmix-elfnmmo.em

index 388ed75aaa91b2366363b311b1690d8946536584..e1c0df34e9422af59cd0cbd24c2b70c5849e009e 100644 (file)
@@ -1,5 +1,9 @@
 2002-02-15  Hans-Peter Nilsson  <hp@bitrange.com>
 
+       * emultempl/mmix-elfnmmo.em (mmix_after_allocation): Also check
+       for presence of .MMIX.reg_contents.linker_allocated before early
+       exit.
+
        * NEWS: Mention support for MMIX.
 
 2002-02-15  Alan Modra  <amodra@bigpond.net.au>
index 3357d36e07363ce3f535eb0e4d1eafbd4a70b9e6..44223a89bbd751a124295f14720b679135a3e397 100644 (file)
@@ -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;