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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Michael Kinney <michael.d.kinney@intel.com>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
	Laszlo Ersek <lersek@redhat.com>, Andrew Fish <afish@apple.com>
Subject: Re: [Patch] OvmfPkg: Add XCODE5 statements to fix build break
Date: Fri, 19 May 2017 09:32:10 +0100	[thread overview]
Message-ID: <CAKv+Gu-TBv=zZ6sA7NKt=-TwMxL8sRcAQ5va6tME=vNfG96grQ@mail.gmail.com> (raw)
In-Reply-To: <1495175456-4880-1-git-send-email-michael.d.kinney@intel.com>

On 19 May 2017 at 07:30, Michael Kinney <michael.d.kinney@intel.com> wrote:
> https://bugzilla.tianocore.org/show_bug.cgi?id=559
>
> The XCODE5 tool chain has a FAMILY of GCC.  The
> GCC statements in the [BuildOptions] section add
> flags that are not compatible with XCODE5.  Add
> empty XCODE5 statements in [BuildOptions] sections
> to prevent the use of the GCC flags in XCODE5
> builds.
>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Andrew Fish <afish@apple.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>

Does XCODE not have a way to set the section alignment? This way, the
DXE memory protection and OS memory attribute table protection is
defeated. Also, does this rely on the order of assignment?

> ---
>  OvmfPkg/OvmfPkgIa32.dsc    | 2 ++
>  OvmfPkg/OvmfPkgIa32X64.dsc | 2 ++
>  OvmfPkg/OvmfPkgX64.dsc     | 2 ++
>  3 files changed, 6 insertions(+)
>
> diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
> index bd115c9..a0ea5db 100644
> --- a/OvmfPkg/OvmfPkgIa32.dsc
> +++ b/OvmfPkg/OvmfPkgIa32.dsc
> @@ -75,11 +75,13 @@
>
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  ################################################################################
>  #
> diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
> index 9727db8..9ab58aa 100644
> --- a/OvmfPkg/OvmfPkgIa32X64.dsc
> +++ b/OvmfPkg/OvmfPkgIa32X64.dsc
> @@ -80,11 +80,13 @@
>
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  ################################################################################
>  #
> diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
> index 61aaed7..88060cd 100644
> --- a/OvmfPkg/OvmfPkgX64.dsc
> +++ b/OvmfPkg/OvmfPkgX64.dsc
> @@ -80,11 +80,13 @@
>
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  XCODE:*_*_*_DLINK_FLAGS =
>
>  ################################################################################
>  #
> --
> 2.6.3.windows.1
>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel


  parent reply	other threads:[~2017-05-19  8:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-19  6:30 [Patch] OvmfPkg: Add XCODE5 statements to fix build break Michael Kinney
2017-05-19  8:21 ` Laszlo Ersek
2017-05-19  8:32 ` Ard Biesheuvel [this message]
2017-05-19 16:45   ` Kinney, Michael D
2017-05-19 17:02     ` Ard Biesheuvel
2017-05-19 17:15       ` Andrew Fish
2017-05-19 17:24       ` Kinney, Michael D

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