[PATCH] objcopy.c: Fix bfd_copy_private_symbol_data on 32-bit hosts

[H.J. Lu]

On Tue, Apr 23, 2024 at 7:13 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> Use long with bfd_copy_private_symbol_data to fix
>
> .../binutils/objcopy.c: In
> function ‘copy_object’:
> .../binutils/objcopy.c:3383:17: error: comparison of integer expressions of different signedness: ‘unsigned int’ and ‘long int’ [-Werror=sign-compare]
>  3383 |   for (i = 0; i < symcount; i++)
>       |                 ^
>
> on 32-bit hosts.
>
>         PR binutils/14493
>         * objcopy.c (copy_object): Use long with
>         bfd_copy_private_symbol_data.
> ---
>  binutils/objcopy.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/binutils/objcopy.c b/binutils/objcopy.c
> index 634ebae3fc3..e8ca1374935 100644
> --- a/binutils/objcopy.c
> +++ b/binutils/objcopy.c
> @@ -3380,8 +3380,8 @@ copy_object (bfd *ibfd, bfd *obfd, const bfd_arch_info_type *input_arch)
>        symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
>      }
>
> -  for (i = 0; i < symcount; i++)
> -    if (!bfd_copy_private_symbol_data (ibfd, osympp[i], obfd, osympp[i]))
> +  for (long s = 0; s < symcount; s++)
> +    if (!bfd_copy_private_symbol_data (ibfd, osympp[s], obfd, osympp[s]))
>        {
>         status = 1;
>         return false;
> --
> 2.44.0
>

Tested on Linux/x86-64 and Linux/i686.  I am checking it in.

-- 
H.J.