ELF unexec: R_*_NONE relocs

These should be ignored on all targets.

* unexelf.c (unexec): Ignore R_*_NONE relocs for any target,
not just Alpha.  Comment on reloc size assumption.

1 files changed, 7 insertions, 7 deletions

diff --git a/src/unexelf.c b/src/unexelf.c
index df99f92a466..15a4cdedfc9 100644
--- a/src/unexelf.c
+++ b/src/unexelf.c
@@ -1202,7 +1202,7 @@ temacs:
     }
 
   /* This loop seeks out relocation sections for the data section, so
-     that it can undo relocations performed by the runtime linker.  */
+     that it can undo relocations performed by the runtime loader.  */
   for (n = new_file_h->e_shnum; 0 < --n; )
     {
       ElfW (Shdr) *rel_shdr = &NEW_SECTION_H (n);
@@ -1235,14 +1235,14 @@ temacs:
                    reloc += rel_shdr->sh_entsize)
                 {
                   ElfW (Addr) addr = ((ElfW (Rel) *) reloc)->r_offset - offset;
-#ifdef __alpha__
-                  /* The Alpha ELF binutils currently have a bug that
-                     sometimes results in relocs that contain all
-                     zeroes.  Work around this for now...  */
+                  /* Ignore R_*_NONE relocs.  */
                   if (((ElfW (Rel) *) reloc)->r_offset == 0)
                     continue;
-#endif
-                  memcpy (new_base + addr, old_base + addr, sizeof (ElfW (Addr)));
+                  /* Assume reloc applies to a word.
+                     ??? This is not always true, eg. TLS module/index
+                     pair in .got which occupies two words.  */
+                  memcpy (new_base + addr, old_base + addr,
+                          sizeof (ElfW (Addr)));
                 }
             }
           break;