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[Bug gas/3811] gas failure for sh-elf on HEAD

From: kkojima at rr dot iij4u dot or dot jp
Subject: [Bug gas/3811] gas failure for sh-elf on HEAD
Date: 23 Mar 2007 00:14:42 -0000

------- Additional Comments From kkojima at rr dot iij4u dot or dot jp  
2007-03-23 00:14 -------
It turned out that this is an SH specific readelf problem.
readelf loads the .eh_frame section and fixes the contents
according to rela addends with debug_apply_rela_addends when
the target uses RELA.  Although SH uses RELA relocations,
it doesn't use their addend fields and uses in place values.
Then debug_apply_rela_addends wrongly clears some entries in
FDE with null addends.  I'm testing the attached patch.

--- ORIG/src/binutils/readelf.c 2007-03-22 11:58:55.000000000 +0900
+++ LOCAL/src/binutils/readelf.c        2007-03-23 08:07:03.000000000 +0900
@@ -7803,6 +7803,10 @@ debug_apply_rela_addends (void *file,
   if (!is_relocatable)
     return 1;
+  /* SH uses RELA but uses in place value instead of the addend field.  */
+  if (elf_header.e_machine == EM_SH)
+    return 0;
   for (relsec = section_headers;
        relsec < section_headers + elf_header.e_shnum;

           What    |Removed                     |Added
                 CC|                            |kkojima at rr dot iij4u dot
                   |                            |or dot jp


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