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having problems with my code in BFD

Ian Lance Taylor ian@wasabisystems.com
Tue Oct 14 02:09:00 GMT 2003 
Jonathan Wilson <jonwil@tpgi.com.au> writes:

> patch for what I am working on is attatched.
> The printf I added to aid debugging does trigger and does output what
> it should be outputing.
> but when I run objdump -p on the resulting exe file, it tells me that
> entry 9 of the data directory is empty.
> Anyone know what could be going on here?
> Index: peXXigen.c
> ===================================================================
> RCS file: /cvs/src/src/bfd/peXXigen.c,v
> retrieving revision 1.16
> diff -u -r1.16 peXXigen.c
> --- peXXigen.c	7 Oct 2003 08:49:11 -0000	1.16
> +++ peXXigen.c	14 Oct 2003 01:48:20 -0000
> @@ -2024,6 +2024,18 @@
>  	 - pe_data (abfd)->pe_opthdr.DataDirectory[12].VirtualAddress);      
>      }
>    
> +  h1 = coff_link_hash_lookup (coff_hash_table (info),
> +			      "__tls_used", FALSE, FALSE, TRUE);
> +  if (h1 != NULL)
> +    {
> +      pe_data (abfd)->pe_opthdr.DataDirectory[9].VirtualAddress =
> +	  (h1->root.u.def.value
> +	   + h1->root.u.def.section->output_section->vma
> +	   + h1->root.u.def.section->output_offset);
> +      pe_data (abfd)->pe_opthdr.DataDirectory[9].Size = 0x18;
> +	  printf("va %lx sz %lx\n",pe_data (abfd)->pe_opthdr.DataDirectory[9].VirtualAddress,pe_data (abfd)->pe_opthdr.DataDirectory[9].Size);
> +    }
> +  
>    /* If we couldn't find idata$2, we either have an excessively
>       trivial program or are in DEEP trouble; we have to assume trivial
>       program....  */

Hmmm, for some reason _bfd_XXi_swap_aouthdr_out() appears to zero out
the DataDirectory entries, then fill them again in.  Peculiar.  Makes
one wonder what _bfd_XXi_final_link_postscript() is for.

Ian
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