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Subject: Re: amd64-binutils file name structure for utils vs. for
powerpc64-binutils and aarch64-binutils
From: Mark Millard <marklmi26-fbsd@yahoo.com>
In-Reply-To: <20180407193742.1c6cd33d@kan>
Date: Sat, 7 Apr 2018 17:01:30 -0700
Cc: freebsd-toolchain@freebsd.org,
John Baldwin <jhb@freebsd.org>
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<20180407184317.3ab301e2@kan> <20180407193742.1c6cd33d@kan>
To: Alexander Kabaev <kabaev@gmail.com>
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On 2018-Apr-7, at 4:37 PM, Alexander Kabaev <kabaev at gmail.com> wrote:
> On Sat, 7 Apr 2018 18:43:17 -0400
> Alexander Kabaev <kabaev@gmail.com> wrote:
>
> Come to think of it, I am not sure I understand the problem.
> amd64-binutils installs "proper" x86_64-freebsd-prefixed binaries. Did
> you expect amd64-freebsd-* ?
My understanding was that cross-build tools are now supposed
to have the -unknown and the os version (12.0 here) even
when the cross-build is targeting the same environment as the
host environment. In other words: that it is not supposed to
be the same as plain binutils for the host but as-if it was
from a different architecture.
But I was checking my understanding. In part because it used
to be that, for example, on amd64 the aarch64-binutils also
omitted the -unknown and 12.0 but now has them. I just had
to update my environment's references to such for that. (This
was not a self-hosted cross-build context and it changed.)
Also, there is a recent check-in, -r466699 , for ports that,
in part, says:
Log:
Fix two more issues with r465416.
- Force build of a cross-compiler by defining CROSS_DIRECTORY_STRUCTURE
in CFLAGS even if the build host matches the build target. This
fixes such a cross compiler to not include /usr/local/lib in its default
library path (e.g. amd64-gcc when built on amd64).
But that was for powerpc64-gcc, not powerpc64-binutils (for example). I
do not know for sure if similar points should also apply to *-binutils
ports. So, again, I was checking.
(I might have just got involved between already-made and other pending
updates for all I know.)
--
Alexander Kabaev
===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sun Apr 8 00:29:33 2018
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Subject: Re: Attempting a xtoolchain-gcc head amd64->aarch64 cross buildworld
failed for liblto_plugin.so loading error
From: Mark Millard <marklmi26-fbsd@yahoo.com>
In-Reply-To: <20180407183525.2e72ee42@kan>
Date: Sat, 7 Apr 2018 17:29:24 -0700
Cc: freebsd-arm@freebsd.org, freebsd-toolchain@freebsd.org,
FreeBSD Ports <freebsd-ports@freebsd.org>
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<20180407183525.2e72ee42@kan>
To: Alexander Kabaev <kabaev@gmail.com>
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On 2018-Apr-7, at 3:35 PM, Alexander Kabaev <kabaev at gmail.com> wrote:
> On Sat, 7 Apr 2018 15:23:50 -0700
> Mark Millard via freebsd-arm <freebsd-arm at freebsd.org> wrote:
>=20
>> My attempted, xtoolchain-gcc based, amd64->aarch64
>> cross-buildworld-buildkernel failed with:
>>=20
>> --- libc.so.7.full ---
>> /usr/local/bin/aarch64-unknown-freebsd12.0-ld: =
/usr/local/libexec/gcc/aarch64-unknown-freebsd12.0/6.3.0/liblto_plugin.so:=
>> error loading plugin: Service unavailable collect2: error: ld
>> returned 1 exit status *** [libc.so.7.full] Error code 1
>>=20
>> (I've not attempted such a build in a long time, so I do not
>> know how new this is. Historically I've done lots of such
>> builds. cortex-a53 was specifically targeted here.)
>> . . .
>=20
> IIRC, I had to disable LTO plugin in binutils and this need to
> disable it was there for a while.=20
Hmm . . .
# pkg info aarch64-binutils
aarch64-binutils-2.30_2,1
Name : aarch64-binutils
Version : 2.30_2,1
Installed on : Tue Feb 6 17:37:31 2018 PST
Origin : devel/aarch64-binutils
Architecture : FreeBSD:12:amd64
Prefix : /usr/local
Categories : devel
Licenses : GPLv3, LGPL3
Maintainer : bapt at FreeBSD.org
WWW : http://sources.redhat.com/binutils/
Comment : GNU binutils for AArch64 cross-development
Options :
RELRO : off
STATIC : on
. . . (no more options listed) . . .
# poudriere options -jFBSDFSSDjail -s devel/aarch64-binutils
[00:00:00] Appending to make.conf: /usr/local/etc/poudriere.d/make.conf
=3D=3D=3D> The following configuration options are available for =
aarch64-binutils-2.30_2,1:
RELRO=3Doff: enable -z relro in ELF linker by default
STATIC=3Don: Build static executables and/or libraries
=3D=3D=3D> Use 'make config' to modify these settings
. . .
Controlling LTO's presence via my port build does
not seem to be the way to disable LTO.
This would suggest that I need to override part
of what buildworld does in order to force avoiding
lto. Such would be the first time that I've run
into that.
Looks like I've some research to do for how.
Thanks for letting me know.
=3D=3D=3D
Mark Millard
marklmi26-fbsd at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sun Apr 8 00:34:43 2018
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Subject: head amd64->aarch64 buildkernel: clang using aarch64-binutils gets
/tmp/cloudabi_vdso_armv6_on_64bit-2f26ed.o: error adding symbols: File in
wrong format
Message-Id: <AD749B7B-625A-4385-B833-C4E25687030D@yahoo.com>
Date: Sat, 7 Apr 2018 17:04:18 -0700
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freebsd-ports@freebsd.org
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(Context: buildworld completed before builkernel started.)
My attempt to do buildworld buildkernel via clang but using
aarch64-binutils got the following failure during buildkernel.
(Note the use of: -B/usr/local/aarch64-unknown-freebsd12.0/bin/
for clang.)
--- cloudabi32_vdso.o ---
/tmp/cloudabi_vdso_armv6_on_64bit-2f26ed.o: error adding symbols: File =
in wrong format
cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
*** [cloudabi32_vdso.o] Error code 1
make[4]: stopped in /usr/src/sys/modules/cloudabi32
.ERROR_TARGET=3D'cloudabi32_vdso.o'
=
.ERROR_META_FILE=3D'/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/s=
rc/arm64.aarch64/sys/GENERIC-NODBG/modules/usr/src/sys/modules/cloudabi32/=
cloudabi32_vdso.o.meta'
.MAKE.LEVEL=3D'4'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes =
verbose'
_ERROR_CMD=3D'cc -B/usr/local/aarch64-unknown-freebsd12.0/bin/ =
-mcpu=3Dcortex-a53 -target aarch64-unknown-freebsd12.0 =
--sysroot=3D/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64=
.aarch64/tmp -B/usr/local/aarch64-unknown-freebsd12.0/bin/ -x =
assembler-with-cpp -m32 -shared -nostdinc -nostdlib =
-Wl,-T/usr/src/sys/compat/cloudabi/cloudabi_vdso.lds =
/usr/src/sys/contrib/cloudabi/cloudabi_vdso_armv6_on_64bit.S -o =
cloudabi32_vdso.o;'
.CURDIR=3D'/usr/src/sys/modules/cloudabi32'
.MAKE=3D'make'
=
.OBJDIR=3D'/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.=
aarch64/sys/GENERIC-NODBG/modules/usr/src/sys/modules/cloudabi32'
.TARGETS=3D'all'
DESTDIR=3D''
LD_LIBRARY_PATH=3D''
MACHINE=3D'arm64'
MACHINE_ARCH=3D'aarch64'
=
MAKEOBJDIRPREFIX=3D'/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/s=
rc/arm64.aarch64/sys/GENERIC-NODBG/modules'
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20180222'
=
PATH=3D'/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aar=
ch64/tmp/legacy/usr/sbin:/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/=
usr/src/arm64.aarch64/tmp/legacy/usr/bin:/usr/obj/cortexA53_clang_xbinutil=
s/arm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/bin:/usr/obj/cortexA53_cl=
ang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/sbin:/usr/obj/co=
rtexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/bin:/s=
bin:/bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
=
OBJTOP=3D'/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.a=
arch64/sys/GENERIC-NODBG/modules/usr/src'
.MAKE.MAKEFILES=3D'/usr/src/share/mk/sys.mk =
/usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk =
/root/src.configs/src.conf.cortexA53-clang-xbinutils-bootstrap.amd64-host =
/usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/src.sys.obj.mk =
/usr/src/share/mk/auto.obj.mk /usr/src/share/mk/bsd.suffixes.mk =
/root/src.configs/make.conf /usr/src/share/mk/local.sys.mk =
/usr/src/share/mk/src.sys.mk /dev/null =
/usr/src/sys/modules/cloudabi32/Makefile /usr/src/share/mk/bsd.kmod.mk =
/usr/src/sys/conf/kmod.mk /usr/src/share/mk/bsd.init.mk =
/usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk =
/usr/src/share/mk/local.init.mk /usr/src/share/mk/src.init.mk =
/usr/src/sys/modules/cloudabi32/../Makefile.inc =
/usr/src/share/mk/bsd.own.mk /usr/src/share/mk/bsd.compiler.mk =
/usr/src/share/mk/bsd.linker.mk /usr/src/sys/conf/kern.opts.mk =
/usr/src/sys/conf/config.mk /usr/src/share/mk/bsd.links.mk =
/usr/src/share/mk/bsd.dep.mk /usr/src/share/mk/bsd.clang-analyze.mk =
/usr/src/share/mk/bsd.obj.mk /usr/src/share/mk/bsd.subdir.mk =
/usr/src/sys/conf/kern.mk'
.PATH=3D'. /usr/src/sys/modules/cloudabi32 =
/usr/src/sys/compat/cloudabi32 /usr/src/sys/arm64/cloudabi32 =
/usr/obj/cortexA53_clang_xbinutils/arm64.aarch64/usr/src/arm64.aarch64/sys=
/GENERIC-NODBG'
1 error
For reference:
# uname -apKU
FreeBSD FBSDFSSD 12.0-CURRENT FreeBSD 12.0-CURRENT r332181M amd64 =
amd64 1200061 1200061
# pkg info "*binutils"
aarch64-binutils-2.30_2,1
amd64-binutils-2.30_2,1
binutils-2.30_2,1
powerpc64-binutils-2.30_2,1
# svnlite info /usr/ports/ | grep "Re[plv]"
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/ports
Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
Revision: 466704
Last Changed Rev: 466704
buildworld buildkernel with clang using its default
utilities completed.
=3D=3D=3D
Mark Millard
marklmi26-fbsd at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sun Apr 8 01:11:00 2018
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Subject: Re: Attempting a xtoolchain-gcc head amd64->aarch64 cross buildworld
failed for liblto_plugin.so loading error
From: Mark Millard <marklmi26-fbsd@yahoo.com>
In-Reply-To: <2EEE5E34-12BB-4F21-A5F2-17F232433BD8@yahoo.com>
Date: Sat, 7 Apr 2018 18:00:38 -0700
Cc: freebsd-arm@freebsd.org, freebsd-toolchain@freebsd.org,
FreeBSD Ports <freebsd-ports@freebsd.org>
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<20180407183525.2e72ee42@kan>
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To: Alexander Kabaev <kabaev@gmail.com>
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[The static build of binutils is what gets the lto involved.]
On 2018-Apr-7, at 5:29 PM, Mark Millard <marklmi26-fbsd at yahoo.com> =
wrote:
> On 2018-Apr-7, at 3:35 PM, Alexander Kabaev <kabaev at gmail.com> =
wrote:
>=20
>> On Sat, 7 Apr 2018 15:23:50 -0700
>> Mark Millard via freebsd-arm <freebsd-arm at freebsd.org> wrote:
>>=20
>>> My attempted, xtoolchain-gcc based, amd64->aarch64
>>> cross-buildworld-buildkernel failed with:
>>>=20
>>> --- libc.so.7.full ---
>>> /usr/local/bin/aarch64-unknown-freebsd12.0-ld: =
/usr/local/libexec/gcc/aarch64-unknown-freebsd12.0/6.3.0/liblto_plugin.so:=
>>> error loading plugin: Service unavailable collect2: error: ld
>>> returned 1 exit status *** [libc.so.7.full] Error code 1
>>>=20
>>> (I've not attempted such a build in a long time, so I do not
>>> know how new this is. Historically I've done lots of such
>>> builds. cortex-a53 was specifically targeted here.)
>>> . . .
>>=20
>> IIRC, I had to disable LTO plugin in binutils and this need to
>> disable it was there for a while.=20
>=20
> Hmm . . .
>=20
> # pkg info aarch64-binutils
> aarch64-binutils-2.30_2,1
> Name : aarch64-binutils
> Version : 2.30_2,1
> Installed on : Tue Feb 6 17:37:31 2018 PST
> Origin : devel/aarch64-binutils
> Architecture : FreeBSD:12:amd64
> Prefix : /usr/local
> Categories : devel
> Licenses : GPLv3, LGPL3
> Maintainer : bapt at FreeBSD.org
> WWW : http://sources.redhat.com/binutils/
> Comment : GNU binutils for AArch64 cross-development
> Options :
> RELRO : off
> STATIC : on
> . . . (no more options listed) . . .
>=20
> # poudriere options -jFBSDFSSDjail -s devel/aarch64-binutils
> [00:00:00] Appending to make.conf: =
/usr/local/etc/poudriere.d/make.conf
> =3D=3D=3D> The following configuration options are available for =
aarch64-binutils-2.30_2,1:
> RELRO=3Doff: enable -z relro in ELF linker by default
> STATIC=3Don: Build static executables and/or libraries
> =3D=3D=3D> Use 'make config' to modify these settings
> . . .
>=20
>=20
> Controlling LTO's presence via my port build does
> not seem to be the way to disable LTO.
>=20
> This would suggest that I need to override part
> of what buildworld does in order to force avoiding
> lto. Such would be the first time that I've run
> into that.
>=20
> Looks like I've some research to do for how.
>=20
> Thanks for letting me know.
I had forgotten but I'd analyzed this once before:
=
https://lists.freebsd.org/pipermail/freebsd-ports/2017-August/109769.html
and it traced back to:
STATIC=3Don: Build static executables and/or libraries
for aarch64-binutils. (Static was at the time required for
a poudriere/qemu mix that used aarch64-binutils.)
(I do-not/did-not see such problems for powerpc64 targeted cross
builds using xtoolchain material, such as powerpc64-binutils
and powerpc64-gcc. This is specific to aarch64 for some
reason.)
So I'll see about turning STATIC off to enable buildworld.
=3D=3D=3D
Mark Millard
marklmi26-fbsd at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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Date: Sat, 7 Apr 2018 22:14:47 -0400
From: Alexander Kabaev <kabaev@gmail.com>
To: Mark Millard <marklmi26-fbsd@yahoo.com>
Cc: freebsd-toolchain@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject: Re: amd64-binutils file name structure for utils vs. for
powerpc64-binutils and aarch64-binutils
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On Sat, 7 Apr 2018 17:01:30 -0700
Mark Millard <marklmi26-fbsd@yahoo.com> wrote:
> On 2018-Apr-7, at 4:37 PM, Alexander Kabaev <kabaev at gmail.com>
> wrote:
>=20
> > On Sat, 7 Apr 2018 18:43:17 -0400
> > Alexander Kabaev <kabaev@gmail.com> wrote:
> >=20
> > Come to think of it, I am not sure I understand the problem.
> > amd64-binutils installs "proper" x86_64-freebsd-prefixed binaries.
> > Did you expect amd64-freebsd-* ? =20
>=20
> My understanding was that cross-build tools are now supposed
> to have the -unknown and the os version (12.0 here) even
> when the cross-build is targeting the same environment as the
> host environment. In other words: that it is not supposed to
> be the same as plain binutils for the host but as-if it was
> from a different architecture.
>=20
> But I was checking my understanding. In part because it used
> to be that, for example, on amd64 the aarch64-binutils also
> omitted the -unknown and 12.0 but now has them. I just had
> to update my environment's references to such for that. (This
> was not a self-hosted cross-build context and it changed.)
>=20
> Also, there is a recent check-in, -r466699 , for ports that,
> in part, says:
>=20
> Log:
> Fix two more issues with r465416.
> =20
> - Force build of a cross-compiler by defining
> CROSS_DIRECTORY_STRUCTURE in CFLAGS even if the build host matches
> the build target. This fixes such a cross compiler to not
> include /usr/local/lib in its default library path (e.g. amd64-gcc
> when built on amd64).
>=20
>=20
>=20
> But that was for powerpc64-gcc, not powerpc64-binutils (for example).
> I do not know for sure if similar points should also apply to
> *-binutils ports. So, again, I was checking.
>=20
> (I might have just got involved between already-made and other pending
> updates for all I know.)
>=20
>=20
> --=20
> Alexander Kabaev
>=20
> =3D=3D=3D
> Mark Millard
> marklmi at yahoo.com
> ( dsl-only.net went
> away in early 2018-Mar)
Since I am not the maintainer of binutils ports, I missed wholesale
rename. I suspect something like the patch below will make
amd64-binutils follow the convention:
P164: https://reviews.freebsd.org/P164
--=20
Alexander Kabaev
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Subject: [Bug 227340] clang crashes with error in backend: Access past stack
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227340
Mark Linimon <linimon@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
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To: toolchain@FreeBSD.org
Subject: [Bug 227339] clang crashes with error in backend: SSE2 register
return with SSE2 disabled
Date: Sun, 08 Apr 2018 03:09:32 +0000
X-Bugzilla-Reason: AssignedTo
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X-Bugzilla-Version: 11.1-RELEASE
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X-Bugzilla-Severity: Affects Many People
X-Bugzilla-Who: linimon@FreeBSD.org
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227339
Mark Linimon <linimon@FreeBSD.org> changed:
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From owner-freebsd-toolchain@freebsd.org Sun Apr 8 03:18:45 2018
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Subject: Attempt to xtoolchain-gcc buildworld for head with -mcpu=cortex-a53:
arm64cpuid.S:23: Error: selected processor does not support . . .
Message-Id: <27FB6AC2-1E38-4974-A72F-AAE4B72070AB@yahoo.com>
Date: Sat, 7 Apr 2018 20:18:34 -0700
To: freebsd-toolchain@freebsd.org,
freebsd-arm@freebsd.org
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It appears that the devel/aarch64-gcc toolchain refuses to
assemble instructions that are not available to what was
listed for -mcpu, even when a -march was also listed that
allows such. For -mcpu=3Dcortex-a53 and a -march=3Darmv8-a+crypto :
--- secure/lib/libcrypto__L ---
/usr/src/crypto/openssl/crypto/arm64cpuid.S: Assembler messages:
/usr/src/crypto/openssl/crypto/arm64cpuid.S:23: Error: selected =
processor does not support `aese v0.16b,v0.16b'
/usr/src/crypto/openssl/crypto/arm64cpuid.S:30: Error: selected =
processor does not support `sha1h s0,s0'
/usr/src/crypto/openssl/crypto/arm64cpuid.S:37: Error: selected =
processor does not support `sha256su0 v0.4s,v0.4s'
/usr/src/crypto/openssl/crypto/arm64cpuid.S:43: Error: selected =
processor does not support `pmull v0.1q,v0.1d,v0.1d'
See later for the command details and such for the error.
This makes _armv8_aese_probe and the like unable to be assembled
for -mcpu=3Dcortex-a53 . (There are 2 more source files with such
potential issues.)
Encoding the instructions as byte sequence values would be more
likely to survive various tool chains and specifications but is
likely otherwise messy.
Another option might be to strip -mcpu=3D<?> from CFLAGS, but only for
processing the specific source involved. Adding "+crypto" to form
-mcpu=3D<?>+crypto might be an option (for gcc anyway).
My hack to get past this was to add the +'s to form the +=3D's in:
ACFLAGS.arm64cpuid.S+=3D -march=3Darmv8-a+crypto
. . .
ACFLAGS.aesv8-armx.S+=3D -march=3Darmv8-a+crypto
. . .
ACFLAGS.ghashv8-armx.S+=3D -march=3Darmv8-a+crypto
for the Makefile and then to in my src.conf files
also add:
ACFLAGS.arm64cpuid.S+=3D -mcpu=3Dcortex-a53+crypto
ACFLAGS.aesv8-armx.S+=3D -mcpu=3Dcortex-a53+crypto
ACFLAGS.ghashv8-armx.S+=3D -mcpu=3Dcortex-a53+crypto
(This avoided +crypto being involved elsewhere.)
Supporting error details:
--- secure/lib/libcrypto__L ---
*** [arm64cpuid.o] Error code 1
make[4]: stopped in /usr/src/secure/lib/libcrypto
.ERROR_TARGET=3D'arm64cpuid.o'
=
.ERROR_META_FILE=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/sr=
c/arm64.aarch64/secure/lib/libcrypto/arm64cpuid.o.meta'
.MAKE.LEVEL=3D'4'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes =
verbose'
_ERROR_CMD=3D'/usr/local/bin/aarch64-unknown-freebsd12.0-gcc =
-mcpu=3Dcortex-a53 -isystem =
/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/=
usr/include =
-L/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tm=
p/usr/lib =
-B/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tm=
p/usr/lib =
--sysroot=3D/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.=
aarch64/tmp -B/usr/local/aarch64-unknown-freebsd12.0/bin/ -O2 -pipe =
-I/usr/src/crypto/openssl -DTERMIOS -DANSI_SOURCE -DOPENSSL_THREADS =
-DDSO_DLFCN -DHAVE_DLFCN_H -DL_ENDIAN -DSHA1_ASM -DSHA256_ASM =
-DSHA512_ASM =
-I/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/se=
cure/lib/libcrypto -I/usr/src/crypto/openssl/crypto =
-I/usr/src/crypto/openssl/crypto/asn1 =
-I/usr/src/crypto/openssl/crypto/evp =
-I/usr/src/crypto/openssl/crypto/modes -g -std=3Dgnu89 =
-fstack-protector-strong -Wno-pointer-sign -Wno-error=3Daddress =
-Wno-error=3Darray-bounds -Wno-error=3Dattributes =
-Wno-error=3Dbool-compare -Wno-error=3Dcast-align -Wno-error=3Dclobbered =
-Wno-error=3Denum-compare -Wno-error=3Dextra -Wno-error=3Dinline =
-Wno-error=3Dlogical-not-parentheses -Wno-error=3Dstrict-aliasing =
-Wno-error=3Duninitialized -Wno-error=3Dunused-but-set-variable =
-Wno-error=3Dunused-function -Wno-error=3Dunused-value =
-Wno-error=3Dmisleading-indentation -Wno-error=3Dnonnull-compare =
-Wno-error=3Dshift-negative-value -Wno-error=3Dtautological-compare =
-Wno-error=3Dunused-const-variable -v -Wa,--noexecstack =
-march=3Darmv8-a+crypto -c /usr/src/crypto/openssl/crypto/arm64cpuid.S =
-o arm64cpuid.o; ;'
.CURDIR=3D'/usr/src/secure/lib/libcrypto'
.MAKE=3D'make'
=
.OBJDIR=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.a=
arch64/secure/lib/libcrypto'
.TARGETS=3D'all'
=
DESTDIR=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.a=
arch64/tmp'
LD_LIBRARY_PATH=3D''
MACHINE=3D'arm64'
MACHINE_ARCH=3D'aarch64'
MAKEOBJDIRPREFIX=3D''
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20180222'
=
PATH=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarc=
h64/tmp/legacy/usr/sbin:/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/us=
r/src/arm64.aarch64/tmp/legacy/usr/bin:/usr/obj/cortexA53_xtoolchain-gcc/a=
rm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/bin:/usr/obj/cortexA53_xtool=
chain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/sbin:/usr/obj/cortex=
A53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/bin:/sbin:/=
bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
=
OBJTOP=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aa=
rch64'
.MAKE.MAKEFILES=3D'/usr/src/share/mk/sys.mk =
/usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk =
/root/src.configs/src.conf.cortexA53-xtoolchain-gcc.amd64-host =
/usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/src.sys.obj.mk =
/usr/src/share/mk/auto.obj.mk /usr/src/share/mk/bsd.suffixes.mk =
/root/src.configs/make.conf /usr/src/share/mk/local.sys.mk =
/usr/src/share/mk/src.sys.mk /dev/null =
/usr/src/secure/lib/libcrypto/Makefile /usr/src/share/mk/bsd.own.mk =
/usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk =
/usr/src/share/mk/bsd.compiler.mk /usr/src/share/mk/bsd.linker.mk =
/usr/src/secure/lib/libcrypto/Makefile.man =
/usr/src/secure/lib/libcrypto/Makefile.inc =
/usr/src/share/mk/bsd.endian.mk /usr/src/share/mk/bsd.lib.mk =
/usr/src/share/mk/bsd.init.mk /usr/src/share/mk/local.init.mk =
/usr/src/share/mk/src.init.mk =
/usr/src/secure/lib/libcrypto/../Makefile.inc =
/usr/src/secure/lib/libcrypto/../../Makefile.inc =
/usr/src/share/mk/src.opts.mk /usr/src/lib/Makefile.inc =
/usr/src/share/mk/bsd.libnames.mk /usr/src/share/mk/src.libnames.mk =
/usr/src/share/mk/bsd.symver.mk /usr/src/share/mk/bsd.nls.mk =
/usr/src/share/mk/bsd.files.mk /usr/src/share/mk/bsd.incs.mk =
/usr/src/share/mk/bsd.confs.mk /usr/src/share/mk/bsd.links.mk =
/usr/src/share/mk/bsd.dep.mk /usr/src/share/mk/bsd.clang-analyze.mk =
/usr/src/share/mk/bsd.obj.mk /usr/src/share/mk/bsd.subdir.mk =
/usr/src/share/mk/bsd.sys.mk'
.PATH=3D'. /usr/src/secure/lib/libcrypto =
/usr/src/secure/lib/libcrypto/aarch64 /usr/src/crypto/openssl/crypto =
/usr/src/crypto/openssl/crypto/aes /usr/src/crypto/openssl/crypto/asn1 =
/usr/src/crypto/openssl/crypto/bf /usr/src/crypto/openssl/crypto/bio =
/usr/src/crypto/openssl/crypto/bn /usr/src/crypto/openssl/crypto/buffer =
/usr/src/crypto/openssl/crypto/camellia =
/usr/src/crypto/openssl/crypto/cast /usr/src/crypto/openssl/crypto/cmac =
/usr/src/crypto/openssl/crypto/cms /usr/src/crypto/openssl/crypto/comp =
/usr/src/crypto/openssl/crypto/conf /usr/src/crypto/openssl/crypto/des =
/usr/src/crypto/openssl/crypto/dh /usr/src/crypto/openssl/crypto/dsa =
/usr/src/crypto/openssl/crypto/dso /usr/src/crypto/openssl/crypto/ec =
/usr/src/crypto/openssl/crypto/ecdh /usr/src/crypto/openssl/crypto/ecdsa =
/usr/src/crypto/openssl/crypto/engine /usr/src/crypto/openssl/crypto/err =
/usr/src/crypto/openssl/crypto/evp /usr/src/crypto/openssl/crypto/hmac =
/usr/src/crypto/openssl/crypto/idea /usr/src/crypto/openssl/crypto/krb5 =
/usr/src/crypto/openssl/crypto/lhash /usr/src/crypto/openssl/crypto/md4 =
/usr/src/crypto/openssl/crypto/md5 /usr/src/crypto/openssl/crypto/mdc2 =
/usr/src/crypto/openssl/crypto/modes =
/usr/src/crypto/openssl/crypto/objects =
/usr/src/crypto/openssl/crypto/ocsp /usr/src/crypto/openssl/crypto/pem =
/usr/src/crypto/openssl/crypto/pkcs12 =
/usr/src/crypto/openssl/crypto/pkcs7 =
/usr/src/crypto/openssl/crypto/pqueue =
/usr/src/crypto/openssl/crypto/rand /usr/src/crypto/openssl/crypto/rc2 =
/usr/src/crypto/openssl/crypto/rc4 /usr/src/crypto/openssl/crypto/rc5 =
/usr/src/crypto/openssl/crypto/ripemd /usr/src/crypto/openssl/crypto/rsa =
/usr/src/crypto/openssl/crypto/seed /usr/src/crypto/openssl/crypto/sha =
/usr/src/crypto/openssl/crypto/srp /usr/src/crypto/openssl/crypto/stack =
/usr/src/crypto/openssl/crypto/ts /usr/src/crypto/openssl/crypto/txt_db =
/usr/src/crypto/openssl/crypto/ui =
/usr/src/crypto/openssl/crypto/whrlpool =
/usr/src/crypto/openssl/crypto/x509 =
/usr/src/crypto/openssl/crypto/x509v3 /usr/src/secure/lib/libcrypto/man'
1 error
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sun Apr 8 04:18:40 2018
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Subject: head xtoolchain amd64 -> arm64 buildkernel attempt: locore.S: Error:
unknown or missing system register name at operand (for icc_sre_el2
use)
Message-Id: <C6978D07-F82E-4596-9E24-6094B3BDBABF@yahoo.com>
Date: Sat, 7 Apr 2018 21:08:25 -0700
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freebsd-arm@freebsd.org
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Looks like /usr/local/bin/aarch64-unknown-freebsd12.0-gcc with
-x assembler-with-cpp can reject /usr/src/sys/arm64/arm64/locore.S
for operand naming/syntax: icc_sre_el2 is rejected twice (in my
-mcpu=3Dcortex-a53 targeted context). The register icc_sre_el2 seems
to be a GIC-specific register.
--- locore.o ---
/usr/src/sys/arm64/arm64/locore.S: Assembler messages:
/usr/src/sys/arm64/arm64/locore.S:251: Error: unknown or missing system =
register name at operand 2 -- `mrs x2,icc_sre_el2'
/usr/src/sys/arm64/arm64/locore.S:254: Error: unknown or missing system =
register name at operand 1 -- `msr icc_sre_el2,x2'
*** [locore.o] Error code 1
make[2]: stopped in =
/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/sys/=
GENERIC-NODBG
.ERROR_TARGET=3D'locore.o'
=
.ERROR_META_FILE=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/sr=
c/arm64.aarch64/sys/GENERIC-NODBG/locore.o.meta'
.MAKE.LEVEL=3D'2'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes =
verbose curdirOk=3Dyes'
_ERROR_CMD=3D'/usr/local/bin/aarch64-unknown-freebsd12.0-gcc =
-mcpu=3Dcortex-a53 -isystem =
/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/=
usr/include =
-L/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tm=
p/usr/lib =
-B/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tm=
p/usr/lib =
--sysroot=3D/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.=
aarch64/tmp -B/usr/local/aarch64-unknown-freebsd12.0/bin/ -c -x =
assembler-with-cpp -DLOCORE -O -pipe -g -nostdinc -I. -I/usr/src/sys =
-I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS =
-include opt_global.h -fno-omit-frame-pointer =
-mno-omit-leaf-frame-pointer -mgeneral-regs-only -ffixed-x18 =
-ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall =
-Wredundant-decls -Wnested-externs -Wstrict-prototypes =
-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef =
-Wno-pointer-sign -fformat-extensions -Wmissing-include-dirs =
-fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error=3Daddress =
-Wno-error=3Daggressive-loop-optimizations -Wno-error=3Darray-bounds =
-Wno-error=3Dattributes -Wno-error=3Dcast-qual -Wno-error=3Denum-compare =
-Wno-error=3Dinline -Wno-error=3Dmaybe-uninitialized -Wno-error=3Doverflow=
-Wno-error=3Dsequence-point -Wno-error=3Dunused-but-set-variable =
-Wno-error=3Dmisleading-indentation -Wno-error=3Dnonnull-compare =
-Wno-error=3Dshift-overflow -Wno-error=3Dtautological-compare -v =
-fno-common -fms-extensions -finline-limit=3D8000 --param =
inline-unit-growth=3D100 --param large-function-growth=3D1000 =
-std=3Diso9899:1999 -Werror /usr/src/sys/arm64/arm64/locore.S;'
=
.CURDIR=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.a=
arch64/sys/GENERIC-NODBG'
.MAKE=3D'make'
=
.OBJDIR=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.a=
arch64/sys/GENERIC-NODBG'
.TARGETS=3D'all'
DESTDIR=3D''
LD_LIBRARY_PATH=3D''
MACHINE=3D'arm64'
MACHINE_ARCH=3D'aarch64'
MAKEOBJDIRPREFIX=3D''
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20180222'
=
PATH=3D'/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarc=
h64/tmp/legacy/usr/sbin:/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/us=
r/src/arm64.aarch64/tmp/legacy/usr/bin:/usr/obj/cortexA53_xtoolchain-gcc/a=
rm64.aarch64/usr/src/arm64.aarch64/tmp/legacy/bin:/usr/obj/cortexA53_xtool=
chain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/sbin:/usr/obj/cortex=
A53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/tmp/usr/bin:/sbin:/=
bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
OBJTOP=3D'/usr/src'
.MAKE.MAKEFILES=3D'/usr/src/share/mk/sys.mk =
/usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk =
/root/src.configs/src.conf.cortexA53-xtoolchain-gcc.amd64-host =
/usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/src.sys.obj.mk =
/usr/src/share/mk/auto.obj.mk /usr/src/share/mk/bsd.suffixes.mk =
/root/src.configs/make.conf /usr/src/share/mk/local.sys.mk =
/usr/src/share/mk/src.sys.mk /dev/null Makefile =
/usr/src/sys/conf/kern.pre.mk /usr/src/share/mk/bsd.own.mk =
/usr/src/share/mk/bsd.opts.mk /usr/src/share/mk/bsd.cpu.mk =
/usr/src/share/mk/bsd.compiler.mk /usr/src/share/mk/bsd.linker.mk =
/usr/src/sys/conf/kern.opts.mk /usr/src/sys/conf/kern.post.mk =
/usr/src/sys/conf/kern.mk'
.PATH=3D'. =
/usr/obj/cortexA53_xtoolchain-gcc/arm64.aarch64/usr/src/arm64.aarch64/sys/=
GENERIC-NODBG'
For reference:
# uname -apKU
FreeBSD FBSDFSSD 12.0-CURRENT FreeBSD 12.0-CURRENT r332181M amd64 =
amd64 1200061 1200061
# pkg info "*binutils"
aarch64-binutils-2.30_2,1
amd64-binutils-2.30_2,1
binutils-2.30_2,1
powerpc64-binutils-2.30_2,1
# svnlite info /usr/ports/ | grep "Re[plv]"
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/ports
Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
Revision: 466704
Last Changed Rev: 466704
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sun Apr 8 10:27:35 2018
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To: toolchain@FreeBSD.org
Subject: [Bug 227339] clang crashes with error in backend: SSE2 register
return with SSE2 disabled
Date: Sun, 08 Apr 2018 10:27:33 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227339
Dimitry Andric <dim@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dim@FreeBSD.org
--- Comment #2 from Dimitry Andric <dim@FreeBSD.org> ---
This also reproduces with clang from head:
/usr/ports/databases/arangodb33/work/arangodb-3.3.6.1/3rdParty/curl/curl-7.=
50.3/lib/timeval.c:137:8:
error: SSE2 register return with SSE2 disabled
double curlx_tvdiff_secs(struct timeval newer, struct timeval older)
^
1 error generated.
and I think the problem is that the command line options make it impossible=
to
compile this source. E.g. it compiles for amd64, but something passes:
-mno-sse2
-mno-sse3
-mno-ssse3
-mno-sse4.1
-mno-sse4.2
-mno-sse4a
-mno-avx
-mno-fma
-mno-bmi2
-mno-avx2
-mno-xop
-mno-fma4
-mno-avx512f
-mno-avx512vl
-mno-avx512pf
-mno-avx512er
-mno-avx512cd
-mno-avx512dq
-mno-avx512bw
-mno-avx512ifma
-mno-avx512vbmi
on the command line, making it impossible to work with doubles in the amd64
ABI. You should try removing all the -mno-* options, and see if it compiles
then.
--=20
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You are the assignee for the bug.=
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Subject: [Bug 227340] clang crashes with error in backend: Access past stack
top
Date: Sun, 08 Apr 2018 10:29:25 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227340
Dimitry Andric <dim@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dim@FreeBSD.org
--- Comment #3 from Dimitry Andric <dim@FreeBSD.org> ---
Vlad, the tarball contains multiple cpp files and shell scripts:
DaemonFeature-3601e9.cpp
DaemonFeature-3601e9.sh
c-b2d77e.cpp
c-b2d77e.sh
gtest-all-cecbdb.cpp
gtest-all-cecbdb.sh
lru_cache-f2927e.cpp
lru_cache-f2927e.sh
v8-buffer-348b23.cpp
v8-buffer-348b23.sh
v8-conv-eb2c30.cpp
v8-conv-eb2c30.sh
which one caused the particular crash "Access past stack top"?
--=20
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You are the assignee for the bug.=
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Subject: [Bug 227339] clang crashes with error in backend: SSE2 register
return with SSE2 disabled
Date: Sun, 08 Apr 2018 10:29:38 +0000
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Subject: [Bug 227340] clang crashes with error in backend: Access past stack
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Subject: [Bug 227339] clang crashes with error in backend: SSE2 register
return with SSE2 disabled
Date: Sun, 08 Apr 2018 15:28:37 +0000
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Subject: [Bug 227340] clang crashes with error in backend: Access past stack
top
Date: Sun, 08 Apr 2018 15:29:37 +0000
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Rodney W. Grimes <rgrimes@FreeBSD.org> changed:
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From owner-freebsd-toolchain@freebsd.org Mon Apr 9 19:52:47 2018
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From: John Baldwin <jhb@freebsd.org>
To: Alexander Kabaev <kabaev@gmail.com>
Cc: Mark Millard <marklmi26-fbsd@yahoo.com>, freebsd-toolchain@freebsd.org
Subject: Re: amd64-binutils file name structure for utils vs. for
powerpc64-binutils and aarch64-binutils
Date: Mon, 09 Apr 2018 12:27:18 -0700
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On Saturday, April 07, 2018 10:14:47 PM Alexander Kabaev wrote:
> On Sat, 7 Apr 2018 17:01:30 -0700
> Mark Millard <marklmi26-fbsd@yahoo.com> wrote:
>
> > On 2018-Apr-7, at 4:37 PM, Alexander Kabaev <kabaev at gmail.com>
> > wrote:
> >
> > > On Sat, 7 Apr 2018 18:43:17 -0400
> > > Alexander Kabaev <kabaev@gmail.com> wrote:
> > >
> > > Come to think of it, I am not sure I understand the problem.
> > > amd64-binutils installs "proper" x86_64-freebsd-prefixed binaries.
> > > Did you expect amd64-freebsd-* ?
> >
> > My understanding was that cross-build tools are now supposed
> > to have the -unknown and the os version (12.0 here) even
> > when the cross-build is targeting the same environment as the
> > host environment. In other words: that it is not supposed to
> > be the same as plain binutils for the host but as-if it was
> > from a different architecture.
> >
> > But I was checking my understanding. In part because it used
> > to be that, for example, on amd64 the aarch64-binutils also
> > omitted the -unknown and 12.0 but now has them. I just had
> > to update my environment's references to such for that. (This
> > was not a self-hosted cross-build context and it changed.)
> >
> > Also, there is a recent check-in, -r466699 , for ports that,
> > in part, says:
> >
> > Log:
> > Fix two more issues with r465416.
> >
> > - Force build of a cross-compiler by defining
> > CROSS_DIRECTORY_STRUCTURE in CFLAGS even if the build host matches
> > the build target. This fixes such a cross compiler to not
> > include /usr/local/lib in its default library path (e.g. amd64-gcc
> > when built on amd64).
> >
> >
> >
> > But that was for powerpc64-gcc, not powerpc64-binutils (for example).
> > I do not know for sure if similar points should also apply to
> > *-binutils ports. So, again, I was checking.
> >
> > (I might have just got involved between already-made and other pending
> > updates for all I know.)
> >
> >
>
> Since I am not the maintainer of binutils ports, I missed wholesale
> rename. I suspect something like the patch below will make
> amd64-binutils follow the convention:
>
> P164: https://reviews.freebsd.org/P164
Huh, I didn't need this change when using amd64-xtoolchain-gcc, but it
does seem correct. I wonder if you will need to fix the amd64-xtoolchain-gcc
package as well.
In general I actually don't like having the OS version present as the
xtoolchain packages should not be version-specific (that is, I can use
mips-gcc to compile 10, 11, or 12), and even if it was, it the _host's_
OS version is not necessarily the OS version of the target I want to build.
However, GCC's FreeBSD specific bits currently require a major version
for FBSD_MAJOR, and I had to resort to the hack in the commit above to
set CROSS_DIRECTORY_STRUCTURE explicitly. If we were to drop OSREL from
the GCC and BU targets then the normal cross logic in GCC would work such
that I wouldn't have needed the hack.
We could perhaps patch GCC to assume that if FBSD_MAJOR is not set it
should assume some minimum default version (I think any value >= 6 is
treated the same). We could then drop OSREL from the external toolchain
ports (binutils and GCC) which I would prefer.
--
John Baldwin
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Date: Mon, 9 Apr 2018 20:58:29 -0400
From: Alexander Kabaev <kabaev@gmail.com>
To: John Baldwin <jhb@freebsd.org>
Cc: Mark Millard <marklmi26-fbsd@yahoo.com>, freebsd-toolchain@freebsd.org
Subject: Re: amd64-binutils file name structure for utils vs. for
powerpc64-binutils and aarch64-binutils
Message-ID: <20180409205829.37a11479@kan>
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On Mon, 09 Apr 2018 12:27:18 -0700
John Baldwin <jhb@freebsd.org> wrote:
> On Saturday, April 07, 2018 10:14:47 PM Alexander Kabaev wrote:
> > On Sat, 7 Apr 2018 17:01:30 -0700
> > Mark Millard <marklmi26-fbsd@yahoo.com> wrote:
> > =20
> > > On 2018-Apr-7, at 4:37 PM, Alexander Kabaev <kabaev at gmail.com>
> > > wrote:
> > > =20
> > > > On Sat, 7 Apr 2018 18:43:17 -0400
> > > > Alexander Kabaev <kabaev@gmail.com> wrote:
> > > >=20
> > > > Come to think of it, I am not sure I understand the problem.
> > > > amd64-binutils installs "proper" x86_64-freebsd-prefixed
> > > > binaries. Did you expect amd64-freebsd-* ? =20
> > >=20
> > > My understanding was that cross-build tools are now supposed
> > > to have the -unknown and the os version (12.0 here) even
> > > when the cross-build is targeting the same environment as the
> > > host environment. In other words: that it is not supposed to
> > > be the same as plain binutils for the host but as-if it was
> > > from a different architecture.
> > >=20
> > > But I was checking my understanding. In part because it used
> > > to be that, for example, on amd64 the aarch64-binutils also
> > > omitted the -unknown and 12.0 but now has them. I just had
> > > to update my environment's references to such for that. (This
> > > was not a self-hosted cross-build context and it changed.)
> > >=20
> > > Also, there is a recent check-in, -r466699 , for ports that,
> > > in part, says:
> > >=20
> > > Log:
> > > Fix two more issues with r465416.
> > > =20
> > > - Force build of a cross-compiler by defining
> > > CROSS_DIRECTORY_STRUCTURE in CFLAGS even if the build host matches
> > > the build target. This fixes such a cross compiler to not
> > > include /usr/local/lib in its default library path (e.g. amd64-gcc
> > > when built on amd64).
> > >=20
> > >=20
> > >=20
> > > But that was for powerpc64-gcc, not powerpc64-binutils (for
> > > example). I do not know for sure if similar points should also
> > > apply to *-binutils ports. So, again, I was checking.
> > >=20
> > > (I might have just got involved between already-made and other
> > > pending updates for all I know.)
> > >=20
> > > =20
> >=20
> > Since I am not the maintainer of binutils ports, I missed wholesale
> > rename. I suspect something like the patch below will make
> > amd64-binutils follow the convention:
> >=20
> > P164: https://reviews.freebsd.org/P164 =20
>=20
> Huh, I didn't need this change when using amd64-xtoolchain-gcc, but it
> does seem correct. I wonder if you will need to fix the
> amd64-xtoolchain-gcc package as well.
>=20
> In general I actually don't like having the OS version present as the
> xtoolchain packages should not be version-specific (that is, I can use
> mips-gcc to compile 10, 11, or 12), and even if it was, it the
> _host's_ OS version is not necessarily the OS version of the target I
> want to build. However, GCC's FreeBSD specific bits currently require
> a major version for FBSD_MAJOR, and I had to resort to the hack in
> the commit above to set CROSS_DIRECTORY_STRUCTURE explicitly. If we
> were to drop OSREL from the GCC and BU targets then the normal cross
> logic in GCC would work such that I wouldn't have needed the hack.
>=20
> We could perhaps patch GCC to assume that if FBSD_MAJOR is not set it
> should assume some minimum default version (I think any value >=3D 6 is
> treated the same). We could then drop OSREL from the external
> toolchain ports (binutils and GCC) which I would prefer.
>=20
> --=20
> John Baldwin
OSREL is an artifact of old times where we had wildly different specs.
This is not true anymore, so deorbiting the OSREL suffix makes sense.
For the time being, having binutils with same prefox as corresponding
GCC is actually a good thing.
--=20
Alexander Kabaev
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From owner-freebsd-toolchain@freebsd.org Tue Apr 10 15:51:19 2018
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From: John Baldwin <jhb@freebsd.org>
To: Alexander Kabaev <kabaev@gmail.com>
Cc: Mark Millard <marklmi26-fbsd@yahoo.com>, freebsd-toolchain@freebsd.org
Subject: Re: amd64-binutils file name structure for utils vs. for
powerpc64-binutils and aarch64-binutils
Date: Tue, 10 Apr 2018 08:46:05 -0700
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On Monday, April 09, 2018 08:58:29 PM Alexander Kabaev wrote:
> On Mon, 09 Apr 2018 12:27:18 -0700
> John Baldwin <jhb@freebsd.org> wrote:
>
> > On Saturday, April 07, 2018 10:14:47 PM Alexander Kabaev wrote:
> > > On Sat, 7 Apr 2018 17:01:30 -0700
> > > Mark Millard <marklmi26-fbsd@yahoo.com> wrote:
> > >
> > > > On 2018-Apr-7, at 4:37 PM, Alexander Kabaev <kabaev at gmail.com>
> > > > wrote:
> > > >
> > > > > On Sat, 7 Apr 2018 18:43:17 -0400
> > > > > Alexander Kabaev <kabaev@gmail.com> wrote:
> > > > >
> > > > > Come to think of it, I am not sure I understand the problem.
> > > > > amd64-binutils installs "proper" x86_64-freebsd-prefixed
> > > > > binaries. Did you expect amd64-freebsd-* ?
> > > >
> > > > My understanding was that cross-build tools are now supposed
> > > > to have the -unknown and the os version (12.0 here) even
> > > > when the cross-build is targeting the same environment as the
> > > > host environment. In other words: that it is not supposed to
> > > > be the same as plain binutils for the host but as-if it was
> > > > from a different architecture.
> > > >
> > > > But I was checking my understanding. In part because it used
> > > > to be that, for example, on amd64 the aarch64-binutils also
> > > > omitted the -unknown and 12.0 but now has them. I just had
> > > > to update my environment's references to such for that. (This
> > > > was not a self-hosted cross-build context and it changed.)
> > > >
> > > > Also, there is a recent check-in, -r466699 , for ports that,
> > > > in part, says:
> > > >
> > > > Log:
> > > > Fix two more issues with r465416.
> > > >
> > > > - Force build of a cross-compiler by defining
> > > > CROSS_DIRECTORY_STRUCTURE in CFLAGS even if the build host matches
> > > > the build target. This fixes such a cross compiler to not
> > > > include /usr/local/lib in its default library path (e.g. amd64-gcc
> > > > when built on amd64).
> > > >
> > > >
> > > >
> > > > But that was for powerpc64-gcc, not powerpc64-binutils (for
> > > > example). I do not know for sure if similar points should also
> > > > apply to *-binutils ports. So, again, I was checking.
> > > >
> > > > (I might have just got involved between already-made and other
> > > > pending updates for all I know.)
> > > >
> > > >
> > >
> > > Since I am not the maintainer of binutils ports, I missed wholesale
> > > rename. I suspect something like the patch below will make
> > > amd64-binutils follow the convention:
> > >
> > > P164: https://reviews.freebsd.org/P164
> >
> > Huh, I didn't need this change when using amd64-xtoolchain-gcc, but it
> > does seem correct. I wonder if you will need to fix the
> > amd64-xtoolchain-gcc package as well.
> >
> > In general I actually don't like having the OS version present as the
> > xtoolchain packages should not be version-specific (that is, I can use
> > mips-gcc to compile 10, 11, or 12), and even if it was, it the
> > _host's_ OS version is not necessarily the OS version of the target I
> > want to build. However, GCC's FreeBSD specific bits currently require
> > a major version for FBSD_MAJOR, and I had to resort to the hack in
> > the commit above to set CROSS_DIRECTORY_STRUCTURE explicitly. If we
> > were to drop OSREL from the GCC and BU targets then the normal cross
> > logic in GCC would work such that I wouldn't have needed the hack.
> >
> > We could perhaps patch GCC to assume that if FBSD_MAJOR is not set it
> > should assume some minimum default version (I think any value >= 6 is
> > treated the same). We could then drop OSREL from the external
> > toolchain ports (binutils and GCC) which I would prefer.
> >
>
> OSREL is an artifact of old times where we had wildly different specs.
> This is not true anymore, so deorbiting the OSREL suffix makes sense.
> For the time being, having binutils with same prefox as corresponding
> GCC is actually a good thing.
Note that the riscv64-binutils hack in Makefile.inc1 doesn't currently
work since it assumes no OSREL suffix btw:
src/Makefile.inc1:
# If we do not have a bootstrap binutils (because the in-tree one does not
# support the target architecture), provide a default cross-binutils prefix.
# This allows riscv64 builds, for example, to automatically use the
# riscv64-binutils port or package.
.if !make(showconfig)
.if !empty(BROKEN_OPTIONS:MBINUTILS_BOOTSTRAP) && \
${MK_LLD_BOOTSTRAP} == "no" && \
!defined(CROSS_BINUTILS_PREFIX)
CROSS_BINUTILS_PREFIX=/usr/local/${TARGET_ARCH}-freebsd/bin/
However, it's hard to fix this right, so long term I'd like us to strip
the OSREL instead. (Right now make tinderbox still happens to work for
riscv64 because src/Makefile forces CROSS_TOOLCHAIN for riscv64 before
Makefile.inc1 is included which sets CROSS_BINUTILS_PREFIX explicitly.)
--
John Baldwin
From owner-freebsd-toolchain@freebsd.org Wed Apr 11 05:29:00 2018
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Subject: [Bug 227438] -fopenmp=libgomp doesn't work
Date: Wed, 11 Apr 2018 05:28:55 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227438
Bug ID: 227438
Summary: -fopenmp=3Dlibgomp doesn't work
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: toolchain@FreeBSD.org
Reporter: jbeich@FreeBSD.org
libomp has limited platform availability (currently, only i386 and amd64), =
so
ports/ may prefer to use another library to avoid ugly conditionals. Using =
GCC
isn't always an option due to conflicts in libgcc_s, libstdc++, broken ASAN=
and
hard to use with LLD.
Steps to reproduce:
$ pkg install ca_root_nss gcc7
$ fetch https://computing.llnl.gov/tutorials/openMP/samples/C/omp_hello.c
$ cc -fopenmp=3Dlibgomp -isystem$(find /usr/local/lib/gcc7 -name omp.h | =
xargs
dirname) -L/usr/local/lib/gcc7 omp_hello.c
Actual result
$ ./a.out
Hello World from thread =3D 0
Number of threads =3D 1
Expected result:
$ ./a.out
Hello World from thread =3D 4
Hello World from thread =3D 0
Number of threads =3D 8
Hello World from thread =3D 2
Hello World from thread =3D 1
Hello World from thread =3D 6
Hello World from thread =3D 5
Hello World from thread =3D 7
Hello World from thread =3D 3
--=20
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Subject: [Bug 227438] clang -fopenmp=libgomp doesn't work
Date: Wed, 11 Apr 2018 05:32:15 +0000
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Jan Beich <jbeich@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|-fopenmp=3Dlibgomp doesn't |clang -fopenmp=3Dlibgomp
|work |doesn't work
--=20
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Subject: [Bug 225330] clang bug can incorrectly enable or disable interrupts
on amd64
Date: Wed, 11 Apr 2018 18:53:42 +0000
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--- Comment #3 from Jonathan T. Looney <jtl@freebsd.org> ---
The upstream bug is fixed in r329657 and r329673. Also, dim@ fixed a related
bug that allows us to use -msahf as a workaround (committed in upstream
r325446). Once those revisions appear in our tree, this bug should be fixed.
--=20
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Subject: [Bug 227438] clang -fopenmp=libgomp doesn't work
Date: Thu, 12 Apr 2018 20:09:00 +0000
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Dimitry Andric <dim@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dim@FreeBSD.org
--- Comment #1 from Dimitry Andric <dim@FreeBSD.org> ---
Hmm, I don't think -fopenmp=3Dlibgomp is functional at all. It's probably =
better
to report this upstream, as I have no clue whatsoever if it is supposed to
work.
--=20
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Subject: [Bug 227438] clang -fopenmp=libgomp doesn't work
Date: Thu, 12 Apr 2018 20:23:57 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227438
--- Comment #2 from Dimitry Andric <dim@FreeBSD.org> ---
22:19.11 <ABataev> dim: -fopenmp=3Dlibgomp is just like you compile without
-fopenmp
22:19.24 <dim> ABataev: aha.
22:21.13 <ABataev> dim: It works. Clang uses only libomp interface and does=
not
rely on libgomp. -fopenmp=3Dlibgomp is used as a stub-like option
22:23.09 <ABataev> dim: Yes, if they want to use libgomp, they must use gcc
--=20
You are receiving this mail because:
You are the assignee for the bug.=
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Subject: Re: svn commit: r466933 - head/devel/amd64-binutils
Message-Id: <45734867-9598-4C2A-916F-A09B91B7BFD5@yahoo.com>
Date: Fri, 13 Apr 2018 20:09:41 -0700
To: kan@FreeBSD.org, svn-ports-head@freebsd.org, freebsd-toolchain@freebsd.org,
FreeBSD Ports <freebsd-ports@freebsd.org>
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> Author: kan
> Date: Tue Apr 10 01:00:30 2018
> New Revision: 466933
> URL:
> https://svnweb.freebsd.org/changeset/ports/466933
>
>
> Log:
> Catch up with changed binutils prefix
>
> . . .
> -BUTARGET= x86_64-${OPSYS:tl}
> +BUTARGET= x86_64-unknown-${OPSYS:tl}${OSREL}
Should something have been done to force the port
to rebuild after a svnlite update picks up this
change? The change has significant file name
differences in what would be installed but poudriere
bulk did not classify my reference to
devel/amd64-xtoolchain-gcc as needing to update
devel/amd64-binutils .
===
Mark Millard
marklmi26-fbsd at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
From owner-freebsd-toolchain@freebsd.org Sat Apr 14 04:27:27 2018
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Subject: Re: svn commit: r466933 - head/devel/amd64-binutils
Date: Fri, 13 Apr 2018 21:17:07 -0700
References: <45734867-9598-4C2A-916F-A09B91B7BFD5@yahoo.com>
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On 2018-Apr-13, at 8:09 PM, Mark Millard <marklmi26-fbsd at yahoo.com> =
wrote:
>> Author: kan
>> Date: Tue Apr 10 01:00:30 2018
>> New Revision: 466933
>> URL:=20
>> https://svnweb.freebsd.org/changeset/ports/466933
>>=20
>>=20
>> Log:
>> Catch up with changed binutils prefix
>>=20
>> . . .
>> -BUTARGET=3D x86_64-${OPSYS:tl}
>> +BUTARGET=3D x86_64-unknown-${OPSYS:tl}${OSREL}
>=20
> Should something have been done to force the port
> to rebuild after a svnlite update picks up this
> change? The change has significant file name
> differences in what would be installed but poudriere
> bulk did not classify my reference to
> devel/amd64-xtoolchain-gcc as needing to update
> devel/amd64-binutils .
Forcing devel/amd64-binutils to build worked.
But afterwards devel/amd64-gcc fails to build because:
. . .
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<phas=
e: build-depends >=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D> amd64-gcc-6.3.0_3 depends on executable: x86_64-freebsd-as =
- not found
=3D=3D=3D> Installing existing package =
/packages/All/amd64-binutils-2.30_2,1.txz
[FBSDFSSDjailVariant] Installing amd64-binutils-2.30_2,1...
[FBSDFSSDjailVariant] Extracting amd64-binutils-2.30_2,1: .......... =
done
=3D=3D=3D> amd64-gcc-6.3.0_3 depends on executable: x86_64-freebsd-as =
- not found
*** Error code 1
Stop.
make: stopped in /usr/ports/devel/amd64-gcc
=3D>> Cleaning up wrkdir
=3D=3D=3D> Cleaning for amd64-gcc-6.3.0_3
build of devel/amd64-gcc | amd64-gcc-6.3.0_3 ended at Fri Apr 13 =
20:58:39 PDT 2018
build time: 00:01:16
!!! build failure encountered !!!
This looks to be because of BU_PREFIX in
devel/amd64-gcc/Makefile :
GCC_TARGET=3D x86_64-unknown-${OPSYS:tl}${OSREL}
BU_PREFIX=3D x86_64-${OPSYS:tl}
devel/powerpc64-gcc (the master) shows the normal
structure is:
.if empty(GCC_TARGET)
# We are building for a FreeBSD target
GCC_TARGET?=3D ${PKGNAMEPREFIX}unknown-${OPSYS:tl}${OSREL}
BU_PREFIX?=3D ${PKGNAMEPREFIX}unknown-${OPSYS:tl}${OSREL}
EXTRA_PATCHES+=3D ${FILESDIR}/freebsd-format-extensions
. . .
amd64 does need the x86_64- part of what it has but the
suffix after that needs the unknown-${OPSYS:tl}${OSREL}
part as well.
Again, forcing an update after a svn update picks up
such a change is likely appropriate.
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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To: toolchain@FreeBSD.org
Subject: [Bug 225330] clang bug can incorrectly enable or disable interrupts
on amd64
Date: Sat, 14 Apr 2018 12:07:24 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225330
--- Comment #4 from commit-hook@freebsd.org ---
A commit references this bug:
Author: dim
Date: Sat Apr 14 12:07:07 UTC 2018
New revision: 332501
URL: https://svnweb.freebsd.org/changeset/base/332501
Log:
Pull in r325446 from upstream clang trunk (by me):
[X86] Add 'sahf' CPU feature to frontend
Summary:
Make clang accept `-msahf` (and `-mno-sahf`) flags to activate the
`+sahf` feature for the backend, for bug 36028 (Incorrect use of
pushf/popf enables/disables interrupts on amd64 kernels). This was
originally submitted in bug 36037 by Jonathan Looney
<jonlooney@gmail.com>.
As described there, GCC also uses `-msahf` for this feature, and the
backend already recognizes the `+sahf` feature. All that is needed is
to teach clang to pass this on to the backend.
The mapping of feature support onto CPUs may not be complete; rather,
it was chosen to match LLVM's idea of which CPUs support this feature
(see lib/Target/X86/X86.td).
I also updated the affected test case (CodeGen/attr-target-x86.c) to
match the emitted output.
Reviewers: craig.topper, coby, efriedma, rsmith
Reviewed By: craig.topper
Subscribers: emaste, cfe-commits
Differential Revision: https://reviews.llvm.org/D43394
Pull in r328944 from upstream llvm trunk (by Chandler Carruth):
[x86] Expose more of the condition conversion routines in the public
API for X86's instruction information. I've now got a second patch
under review that needs these same APIs. This bit is nicely
orthogonal and obvious, so landing it. NFC.
Pull in r329414 from upstream llvm trunk (by Craig Topper):
[X86] Merge itineraries for CLC, CMC, and STC.
These are very simple flag setting instructions that appear to only
be a single uop. They're unlikely to need this separation.
Pull in r329657 from upstream llvm trunk (by Chandler Carruth):
[x86] Introduce a pass to begin more systematically fixing PR36028
and similar issues.
The key idea is to lower COPY nodes populating EFLAGS by scanning the
uses of EFLAGS and introducing dedicated code to preserve the
necessary state in a GPR. In the vast majority of cases, these uses
are cmovCC and jCC instructions. For such cases, we can very easily
save and restore the necessary information by simply inserting a
setCC into a GPR where the original flags are live, and then testing
that GPR directly to feed the cmov or conditional branch.
However, things are a bit more tricky if arithmetic is using the
flags. This patch handles the vast majority of cases that seem to
come up in practice: adc, adcx, adox, rcl, and rcr; all without
taking advantage of partially preserved EFLAGS as LLVM doesn't
currently model that at all.
There are a large number of operations that techinaclly observe
EFLAGS currently but shouldn't in this case -- they typically are
using DF. Currently, they will not be handled by this approach.
However, I have never seen this issue come up in practice. It is
already pretty rare to have these patterns come up in practical code
with LLVM. I had to resort to writing MIR tests to cover most of the
logic in this pass already. I suspect even with its current amount
of coverage of arithmetic users of EFLAGS it will be a significant
improvement over the current use of pushf/popf. It will also produce
substantially faster code in most of the common patterns.
This patch also removes all of the old lowering for EFLAGS copies,
and the hack that forced us to use a frame pointer when EFLAGS copies
were found anywhere in a function so that the dynamic stack
adjustment wasn't a problem. None of this is needed as we now lower
all of these copies directly in MI and without require stack
adjustments.
Lots of thanks to Reid who came up with several aspects of this
approach, and Craig who helped me work out a couple of things
tripping me up while working on this.
Differential Revision: https://reviews.llvm.org/D45146
Pull in r329673 from upstream llvm trunk (by Chandler Carruth):
[x86] Model the direction flag (DF) separately from the rest of
EFLAGS.
This cleans up a number of operations that only claimed te use EFLAGS
due to using DF. But no instructions which we think of us setting
EFLAGS actually modify DF (other than things like popf) and so this
needlessly creates uses of EFLAGS that aren't really there.
In fact, DF is so restrictive it is pretty easy to model. Only STD,
CLD, and the whole-flags writes (WRFLAGS and POPF) need to model
this.
I've also somewhat cleaned up some of the flag management instruction
definitions to be in the correct .td file.
Adding this extra register also uncovered a failure to use the
correct datatype to hold X86 registers, and I've corrected that as
necessary here.
Differential Revision: https://reviews.llvm.org/D45154
Together, these should ensure clang does not use pushf/popf sequences to
save and restore flags, avoiding problems with unrelated flags (such as
the interrupt flag) being restored unexpectedly.
Requested by: jtl
PR: 225330
MFC after: 1 week
Changes:
head/contrib/llvm/include/llvm/CodeGen/MachineBasicBlock.h
head/contrib/llvm/lib/CodeGen/MachineBasicBlock.cpp
head/contrib/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
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head/contrib/llvm/lib/Target/X86/X86ISelLowering.h
head/contrib/llvm/lib/Target/X86/X86InstrCompiler.td
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head/contrib/llvm/lib/Target/X86/X86InstrInfo.h
head/contrib/llvm/lib/Target/X86/X86InstrInfo.td
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head/contrib/llvm/lib/Target/X86/X86Schedule.td
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head/contrib/llvm/tools/clang/include/clang/Driver/Options.td
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Subject: [Bug 225330] clang bug can incorrectly enable or disable interrupts
on amd64
Date: Sat, 14 Apr 2018 12:26:49 +0000
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Subject: [Bug 225330] clang bug can incorrectly enable or disable interrupts
on amd64
Date: Sat, 14 Apr 2018 13:40:03 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225330
Rodney W. Grimes <rgrimes@FreeBSD.org> changed:
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Subject: [Bug 225330] clang bug can incorrectly enable or disable interrupts
on amd64
Date: Sat, 14 Apr 2018 14:57:42 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225330
--- Comment #5 from commit-hook@freebsd.org ---
A commit references this bug:
Author: dim
Date: Sat Apr 14 14:57:34 UTC 2018
New revision: 332503
URL: https://svnweb.freebsd.org/changeset/base/332503
Log:
Revert r332501 for now, as it can cause build failures on i386.
Reported upstream as <https://bugs.llvm.org/show_bug.cgi?id=3D37133>.
Reported by: emaste, ci.freebsd.org
PR: 225330
Changes:
head/contrib/llvm/include/llvm/CodeGen/MachineBasicBlock.h
head/contrib/llvm/lib/CodeGen/MachineBasicBlock.cpp
head/contrib/llvm/lib/Target/X86/Disassembler/X86Disassembler.cpp
head/contrib/llvm/lib/Target/X86/X86.h
head/contrib/llvm/lib/Target/X86/X86FlagsCopyLowering.cpp
head/contrib/llvm/lib/Target/X86/X86ISelLowering.cpp
head/contrib/llvm/lib/Target/X86/X86ISelLowering.h
head/contrib/llvm/lib/Target/X86/X86InstrCompiler.td
head/contrib/llvm/lib/Target/X86/X86InstrInfo.cpp
head/contrib/llvm/lib/Target/X86/X86InstrInfo.h
head/contrib/llvm/lib/Target/X86/X86InstrInfo.td
head/contrib/llvm/lib/Target/X86/X86InstrSystem.td
head/contrib/llvm/lib/Target/X86/X86RegisterInfo.td
head/contrib/llvm/lib/Target/X86/X86Schedule.td
head/contrib/llvm/lib/Target/X86/X86ScheduleAtom.td
head/contrib/llvm/lib/Target/X86/X86TargetMachine.cpp
head/contrib/llvm/tools/clang/include/clang/Driver/Options.td
head/contrib/llvm/tools/clang/lib/Basic/Targets/X86.cpp
head/contrib/llvm/tools/clang/lib/Basic/Targets/X86.h
head/lib/clang/freebsd_cc_version.h
head/lib/clang/libllvm/Makefile
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