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Re: elf.c special_sections: missing .debug_<dwarf> sections?


On Mon, Oct 08, 2012 at 09:51:43AM -0700, dje@google.com wrote:
> Alan Modra writes:
>  > On Wed, Oct 03, 2012 at 12:19:40PM -0700, dje@google.com wrote:
>  > > static const struct bfd_elf_special_section special_sections_d[] =
>  > [snip]
>  > > There's a whole lot more DWARF sections than just those ones.
>  > 
>  > My recollection is that this code was invented to cover for versions
>  > of gcc that emitted .section directives without specifying section
>  > type and attributes.  So you really only need to add entries here if
>  > some compiler emits bare .section directives against the other dwarf
>  > sections, or you'd like to help out user asm.
> 
> Ok to check in?
> 
> 2012-10-08  Doug Evans  <dje@google.com>
> 
> 	* elf.c (special_sections_d): Add comment.

Fine by me.

> Index: elf.c
> ===================================================================
> RCS file: /cvs/src/src/bfd/elf.c,v
> retrieving revision 1.571
> diff -u -p -r1.571 elf.c
> --- elf.c	7 Oct 2012 23:59:26 -0000	1.571
> +++ elf.c	8 Oct 2012 16:46:02 -0000
> @@ -2061,6 +2064,9 @@ static const struct bfd_elf_special_sect
>  {
>    { STRING_COMMA_LEN (".data"),         -2, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
>    { STRING_COMMA_LEN (".data1"),         0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
> +  /* There are more DWARF sections than these, but they needn't be added here
> +     unless you have to cope with broken compilers that don't emit section
> +     attributes or you want to help the user writing assembler.  */
>    { STRING_COMMA_LEN (".debug"),         0, SHT_PROGBITS, 0 },
>    { STRING_COMMA_LEN (".debug_line"),    0, SHT_PROGBITS, 0 },
>    { STRING_COMMA_LEN (".debug_info"),    0, SHT_PROGBITS, 0 },

-- 
Alan Modra
Australia Development Lab, IBM


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