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Re: [Patch mach-o/bfd/gas] handle ABS indirect_symbols.


On Jan 12, 2012, at 7:28 PM, Iain Sandoe wrote:

> a minor update to handle ABS symbols in the indirect symbol table.
> tests attached
> 
> OK?

Ok.

Thanks,
Tristan.

> Iain
> 
> bfd:
> 
> 	* mach-o.c (bfd_mach_o_build_dysymtab_command): Handle ABS symbols.
> 
> gas:
> 
> 	* config/obj-macho.c (obj_mach_o_set_indirect_symbols): Handle ABS symbols.
> 
> bfd/mach-o.c           |    3 +++
> gas/config/obj-macho.c |   10 +++++++---
> 2 files changed, 10 insertions(+), 3 deletions(-)
> 
> diff --git a/bfd/mach-o.c b/bfd/mach-o.c
> index c519663..0846fe6 100644
> --- a/bfd/mach-o.c
> +++ b/bfd/mach-o.c
> @@ -2199,6 +2199,9 @@ bfd_mach_o_build_dysymtab_command (bfd *abfd,
> 		    {
> 		      if (isyms[j] == NULL)
> 		        dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL;
> +		      else if (isyms[j]->symbol.section == bfd_abs_section_ptr)
> +		        dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL
> +						 | BFD_MACH_O_INDIRECT_SYM_ABS;
> 		      else
> 		        dsym->indirect_syms[n] = isyms[j]->symbol.udata.i;
> 		    }
> diff --git a/gas/config/obj-macho.c b/gas/config/obj-macho.c
> index 61e6771..c381dbe 100644
> --- a/gas/config/obj-macho.c
> +++ b/gas/config/obj-macho.c
> @@ -1545,14 +1545,18 @@ obj_mach_o_set_indirect_symbols (bfd *abfd, asection *sec,
> 	
> 	      for (isym = list, n = 0; isym != NULL; isym = isym->next, n++)
> 		{
> +		  sym = (bfd_mach_o_asymbol *)symbol_get_bfdsym (isym->sym);
> 		  /* Array is init to NULL & NULL signals a local symbol
> 		     If the section is lazy-bound, we need to keep the
> -		     reference to the symbol, since dyld can override.  */
> -		  if (S_IS_LOCAL (isym->sym) && ! lazy)
> +		     reference to the symbol, since dyld can override.
> +		
> +		     Absolute symbols are handled specially.  */
> +		  if (sym->symbol.section == bfd_abs_section_ptr)
> +		    ms->indirect_syms[n] = sym;
> +		  else if (S_IS_LOCAL (isym->sym) && ! lazy)
> 		    ;
> 		  else
> 		    {
> -		      sym = (bfd_mach_o_asymbol *)symbol_get_bfdsym (isym->sym);
> 		      if (sym == NULL)
> 		        ;
> 		      /* If the symbols is external ...  */
> 
> 
> <12011218-dysym-abs-test.txt>
> 
> 


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