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Re: R_SPARC_RELATIVE vs R_SPARC_UA32 & unaligned unwind tables - again
On Tue, Dec 18, 2001 at 10:01:48PM -0500, DJ Delorie wrote:
>
> Right, I found that bug. We started out using R_SPARC_RELATIVE for
> R_SPARC_32. We later used it for R_SPARC_UA32 also, but that caused
> aborts in ld.so, so we took it out. However, now it seems (to me at
> least) that something still needs to be done about those relocs. Ian
> disagrees, and I'm going to debug it some more, but that's what I'm
> seeing right now...
Making a wild guess at the problem, and solution...
Index: elf32-sparc.c
===================================================================
RCS file: /cvs/src/src/bfd/elf32-sparc.c,v
retrieving revision 1.34
diff -u -p -r1.34 elf32-sparc.c
--- elf32-sparc.c 2001/12/17 00:52:35 1.34
+++ elf32-sparc.c 2001/12/19 03:14:58
@@ -1530,6 +1530,13 @@ elf32_sparc_relocate_section (output_bfd
bfd_set_error (bfd_error_bad_value);
return false;
}
+
+ /* We are turning this relocation into one
+ against a section symbol, so subtract out
+ the output section's address but not the
+ offset of the input section in the output
+ section. */
+ relocation -= osec->vma;
}
outrel.r_info = ELF32_R_INFO (indx, r_type);