Re: git: 292cba9b4919 - main - rtld: remove mips-specific cases from generic code

From: Kyle Evans <kevans_at_freebsd.org>
Date: Thu, 06 Jan 2022 07:00:58 UTC
On Thu, Jan 6, 2022 at 12:46 AM Konstantin Belousov <kib@freebsd.org> wrote:
>
> The branch main has been updated by kib:
>
> URL: https://cgit.FreeBSD.org/src/commit/?id=292cba9b4919ee188ca08cc8bf5057e346514383
>
> commit 292cba9b4919ee188ca08cc8bf5057e346514383
> Author:     Konstantin Belousov <kib@FreeBSD.org>
> AuthorDate: 2022-01-06 00:43:51 +0000
> Commit:     Konstantin Belousov <kib@FreeBSD.org>
> CommitDate: 2022-01-06 04:00:39 +0000
>
>     rtld: remove mips-specific cases from generic code
>
>     Reviewed by:    imp
>     Sponsored by:   The FreeBSD Foundation
>     Differential revision:  https://reviews.freebsd.org/D33763
> ---
>  libexec/rtld-elf/rtld.c | 47 -----------------------------------------------
>  libexec/rtld-elf/rtld.h |  6 ------
>  2 files changed, 53 deletions(-)
>
> diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c
> index fa0e61fe0c5c..14c4d44f50e4 100644
> --- a/libexec/rtld-elf/rtld.c
> +++ b/libexec/rtld-elf/rtld.c
> @@ -1002,10 +1002,6 @@ rtld_resolve_ifunc(const Obj_Entry *obj, const Elf_Sym *def)
>         return ((void *)target);
>  }
>
> -/*
> - * NB: MIPS uses a private version of this function (_mips_rtld_bind).
> - * Changes to this function should be applied there as well.
> - */
>  Elf_Addr
>  _rtld_bind(Obj_Entry *obj, Elf_Size reloff)
>  {
> @@ -1465,19 +1461,6 @@ digest_dynamic1(Obj_Entry *obj, int early, const Elf_Dyn **dyn_rpath,
>             obj->fini_array_num = dynp->d_un.d_val / sizeof(Elf_Addr);
>             break;
>
> -       /*
> -        * Don't process DT_DEBUG on MIPS as the dynamic section
> -        * is mapped read-only. DT_MIPS_RLD_MAP is used instead.
> -        */
> -
> -#ifndef __mips__
> -       case DT_DEBUG:
> -           if (!early)
> -               dbg("Filling in DT_DEBUG entry");
> -           (__DECONST(Elf_Dyn *, dynp))->d_un.d_ptr = (Elf_Addr)&r_debug;
> -           break;
> -#endif
> -
>         case DT_FLAGS:
>                 if (dynp->d_un.d_val & DF_ORIGIN)
>                     obj->z_origin = true;

This one was #ifndef mips and the entire thing was removed, was that
intentional?