[aarch64] aarch64-linux: output .note.GNU-stack

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Headers	show Return-Path: <patchwork-forward+bncBC5N7EFVZELBBWWZZ6NQKGQETUNCMHA@linaro.org> Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 2607:f8b0:400c:c03::229 as permitted sender) client-ip=2607:f8b0:400c:c03::229; Received-SPF: pass (google.com: domain of gcc-patches-return-367517-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; Mailing-List: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org Precedence: list Sender: gcc-patches-owner@gcc.gnu.org Date: Wed, 14 May 2014 17:30:02 -0400 From: Kyle McMartin <kmcmarti@redhat.com> To: gcc-patches@gcc.gnu.org Subject: [PATCH aarch64] aarch64-linux: output .note.GNU-stack Message-ID: <20140514213002.GM26038@redacted.bos.redhat.com> MIME-Version: 1.0 User-Agent: Mutt/1.5.21 (2010-09-15) Content-Type: text/plain; charset=us-ascii Content-Disposition: inline

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Date: Wed, 14 May 2014 17:30:02 -0400
From: Kyle McMartin <kmcmarti@redhat.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH aarch64] aarch64-linux: output .note.GNU-stack
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Commit Message

Kyle McMartin May 14, 2014, 9:30 p.m. UTC

The toolchain would like PT_GNU_STACK in our objects for all
architectures to make it explicit whether we are requesting an
executable stack or not.

2014-05-14  Kyle McMartin  <kyle@redhat.com>

        * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): define
        to file_end_indicate_exec_stack for .note.GNU-stack emission.

Comments

Marcus Shawcroft May 15, 2014, 8:06 a.m. UTC | #1

On 14 May 2014 22:30, Kyle McMartin <kmcmarti@redhat.com> wrote:
> The toolchain would like PT_GNU_STACK in our objects for all
> architectures to make it explicit whether we are requesting an
> executable stack or not.
>
> 2014-05-14  Kyle McMartin  <kyle@redhat.com>
>
>         * config/aarch64/aarch64-linux.h (TARGET_ASM_FILE_END): define
>         to file_end_indicate_exec_stack for .note.GNU-stack emission.
>
> --- a/gcc/config/aarch64/aarch64-linux.h
> +++ b/gcc/config/aarch64/aarch64-linux.h
> @@ -44,4 +44,6 @@
>      }                                          \
>    while (0)
>
> +#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
> +
>  #endif  /* GCC_AARCH64_LINUX_H */

OK, thanks.

Can you back port this to 4.9 and 4.8 ?

/Marcus

--- a/gcc/config/aarch64/aarch64-linux.h
+++ b/gcc/config/aarch64/aarch64-linux.h
@@ -44,4 +44,6 @@ 
     }						\
   while (0)
 
+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+
 #endif  /* GCC_AARCH64_LINUX_H */

[aarch64] aarch64-linux: output .note.GNU-stack

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