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From: "Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
Date: Tue, 25 Apr 2017 20:03:10 +0300
Message-ID: <CAA2C=vCQyzt4uiahXm_EeHYTq_Zna4RGYCWgKv_VPXk7g5Xzcw@mail.gmail.com>
Subject: Re: dxe.ld doesn't handle linkonce.b sections
To: djgpp <djgpp AT delorie DOT com>
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On 4/25/17, Ozkan Sezer <sezeroz AT gmail DOT com> wrote:
> Our current dxe.ld doesn't handle .gnu.linkonce.b.* sections.
> Objects built with -ffunction-sections -fdata-sections fail,
> because the current dxe.ld doesn't handle .bss.* either.
> Never needed/used it, but lto sections possibly need discarding
> as in djgpp.ld.
>
> Is the following patch correct?  Haven't actually run-tested it
> yet, but posting it for review for now:
>
> --- dxe.ld	23 Apr 2003 05:59:20 -0000	1.4
> +++ dxe.ld	25 Apr 2017 07:03:50 -0000
> @@ -28,7 +28,8 @@
>      ___EH_FRAME_END__ = . ;
>      LONG(0);
>      *(.gnu.linkonce.d*)
> -    *(.bss)
> +    *(.bss .bss.* .gnu.linkonce.b.*)
>      *(COMMON)
>    }
> +  /DISCARD/ : { *(gnu.lto_*) }
>  }
>
>
> The .bss.*sections are handled diferently in djgpp.ld, though:
> Should we do the same in dxe.ld?

Just tested the above patch by creating a dxe with it
(a dxe which otherwise would fail to build before), and
running it: things work fine for me.

Should apply this to CVS?  Any other suggestions?

--
O.S.