[PATCH] Set the sh_entsize field of .stab to 12

[Alan Modra]

On Thu, Apr 02, 2020 at 09:58:43PM -0700, Fangrui Song via Binutils wrote:
> ---
>  bfd/ChangeLog | 4 ++++
>  bfd/elf.c     | 4 +---
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/bfd/ChangeLog b/bfd/ChangeLog
> index 64c3dde475..90e19b8612 100644
> --- a/bfd/ChangeLog
> +++ b/bfd/ChangeLog
> @@ -1,3 +1,7 @@
> +2020-04-02  Fangrui Song  <maskray@google.com>
> +
> +	* elf.c (assign_section_numbers): Set .stab sh_entsize to 12.
> +
>  2020-04-02  Jan W. Jagersma  <jwjagersma@gmail.com>

OK.  Please justify the patch when posting and in the git log.
"Only 32-bit stabs are supported" would do.

>  	* bfdio.c (bfd_bread, bfd_tell, bfd_seek, bfd_mmap): Always add
> diff --git a/bfd/elf.c b/bfd/elf.c
> index 86dadea05c..0c550bdadf 100644
> --- a/bfd/elf.c
> +++ b/bfd/elf.c
> @@ -3998,9 +3998,7 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info)
>  		  elf_section_data (s)->this_hdr.sh_link = d->this_idx;
>  
>  		  /* This is a .stab section.  */
> -		  if (elf_section_data (s)->this_hdr.sh_entsize == 0)
> -		    elf_section_data (s)->this_hdr.sh_entsize
> -		      = 4 + 2 * bfd_get_arch_size (abfd) / 8;
> +		  elf_section_data (s)->this_hdr.sh_entsize = 12;
>  		}
>  	    }
>  	  break;
> -- 
> 2.26.0.292.g33ef6b2f38-goog

-- 
Alan Modra
Australia Development Lab, IBM