Date: Sat, 29 Apr 2017 00:01:43 -0700 From: Mark Millard <markmi@dsl-only.net> To: Mark Linimon <linimon@lonesome.com> Cc: svn-ports-head@freebsd.org, Baptiste Daroussin <bapt@FreeBSD.org>, Alexander Kabaev <kabaev@gmail.com> Subject: Re: svn commit: r439595 - in head/devel: aarch64-gcc aarch64-none-elf-gcc amd64-gcc arm-none-eabi-gcc arm-none-eabi-gcc492 mips-gcc mips64-gcc powerpc64-gcc riscv64-gcc sparc64-gcc Message-ID: <6BBEEE64-04D3-464B-BF42-3836C3E90AD4@dsl-only.net> In-Reply-To: <20170429063450.GA16576@lonesome.com> References: <8E45FA57-8D2E-4159-8E02-6A5044000CC2@dsl-only.net> <20170429022831.GB15674@lonesome.com> <A6D8B25D-27F6-4216-BD96-1C07E08E7847@dsl-only.net> <20170429033730.GA15960@lonesome.com> <CF547B15-A677-4D23-83B3-985E37664710@dsl-only.net> <20170429063450.GA16576@lonesome.com>
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On 2017-Apr-28, at 11:34 PM, Mark Linimon <linimon at lonesome.com> =
wrote:
On Fri, Apr 28, 2017 at 11:19:25PM -0700, Mark Millard wrote:
>> Your powerpc64 testing might be of gcc 4.2.1 and old libstdc++ as a
>> context. That would be different than my powerpc64 tests.
>=20
> # uname -a
> FreeBSD 9133-1 11.0-STABLE FreeBSD 11.0-STABLE #17 r316443: Mon Apr 3 =
08:11:34 UTC 2017 =
linimon@srcjail:/usr/obj/powerpc.powerpc64/home/linimon/src/stable/11/sys/=
PACKAGE_NODE_powerpc64 powerpc
> # cc --version
> cc (GCC) 4.2.1 20070831 patched [FreeBSD]
>=20
> Reasonably stock. A few debug features are added, and so forth.
My powerpc64 context details (for
self-hosted buildworld buildkernel):
# uname -paKU
FreeBSD FBSDG5L 12.0-CURRENT FreeBSD 12.0-CURRENT r317015M powerpc =
powerpc64 1200028 1200028
# cc --version
FreeBSD clang version 4.0.0 (tags/RELEASE_400/final 297347) (based on =
LLVM 4.0.0)
Target: powerpc64-unknown-freebsd12.0
Thread model: posix
InstalledDir: /usr/bin
# c++ --version
FreeBSD clang version 4.0.0 (tags/RELEASE_400/final 297347) (based on =
LLVM 4.0.0)
Target: powerpc64-unknown-freebsd12.0
Thread model: posix
InstalledDir: /usr/bin
/usr/src/contrib/llvm/tools/lld/ELF/Target.cpp has
a required clang patch for this to work:
# svnlite diff /usr/src/contrib/llvm/
Index: /usr/src/contrib/llvm/tools/lld/ELF/Target.cpp
=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=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=3D=3D=3D=3D=3D
--- /usr/src/contrib/llvm/tools/lld/ELF/Target.cpp (revision =
317015)
+++ /usr/src/contrib/llvm/tools/lld/ELF/Target.cpp (working copy)
@@ -1070,7 +1070,8 @@
}
=20
PPC64TargetInfo::PPC64TargetInfo() {
- PltRel =3D GotRel =3D R_PPC64_GLOB_DAT;
+ GotRel =3D R_PPC64_GLOB_DAT;
+ PltRel =3D R_PPC64_JMP_SLOT;
RelativeRel =3D R_PPC64_RELATIVE;
GotEntrySize =3D 8;
GotPltEntrySize =3D 8;
# svnlite status /usr/src | sort
? /usr/src/sys/amd64/conf/GENERIC-DBG
? /usr/src/sys/amd64/conf/GENERIC-NODBG
? /usr/src/sys/arm/conf/GENERIC-DBG
? /usr/src/sys/arm/conf/GENERIC-NODBG
? /usr/src/sys/arm64/conf/GENERIC-DBG
? /usr/src/sys/arm64/conf/GENERIC-NODBG
? /usr/src/sys/powerpc/conf/GENERIC64vtsc-DBG
? /usr/src/sys/powerpc/conf/GENERIC64vtsc-NODBG
? /usr/src/sys/powerpc/conf/GENERICvtsc-DBG
? /usr/src/sys/powerpc/conf/GENERICvtsc-NODBG
M /usr/src/contrib/llvm/tools/lld/ELF/Target.cpp
M /usr/src/crypto/openssl/crypto/armcap.c
M /usr/src/sys/arm/arm/gic.h
M /usr/src/sys/boot/ofw/Makefile.inc
M /usr/src/sys/boot/powerpc/Makefile.inc
M /usr/src/sys/boot/powerpc/kboot/Makefile
M /usr/src/sys/boot/uboot/Makefile.inc
M /usr/src/sys/conf/kmod.mk
M /usr/src/sys/ddb/db_main.c
M /usr/src/sys/ddb/db_script.c
M /usr/src/sys/powerpc/powerpc/exec_machdep.c
(The Makefile* and *.mk stuff has tended to be
from/for historical compatibility for using
system and xtoolchain-gcc based builds.
powerpc/powerpc/exec_machdep.c is for powerpc,
not powerpc64 as far as its changes go.)
# more /usr/src/sys/powerpc/conf/GENERIC64vtsc-NODBG
#
# GENERIC -- Custom configuration for the powerpc/powerpc64
#
include "GENERIC64"
ident GENERIC64vtsc-NODGB
makeoptions DEBUG=3D-g # Build kernel with gdb(1) =
debug symbols
nooptions PS3 # Sony Playstation 3 =
HACK!!! to allow sc
options KDB # Enable kernel debugger support
# For minimum debugger support (stable branch) use:
options KDB_TRACE # Print a stack trace for a =
panic
options DDB # Enable the kernel debugger
options GDB # HACK!!! ...
# Extra stuff:
#options VERBOSE_SYSINIT # Enable verbose sysinit =
messages
#options BOOTVERBOSE=3D1
#options BOOTHOWTO=3DRB_VERBOSE
#options KTR
#options KTR_MASK=3DKTR_TRAP
##options KTR_CPUMASK=3D0xF
#options KTR_VERBOSE
# HACK!!! to allow sc for 2560x1440 display on Radeon X1950 that vt =
historically mishandled during booting
device sc
#device kbdmux # HACK: already listed by vt
options SC_OFWFB # OFW frame buffer
options SC_DFLT_FONT # compile font in
makeoptions SC_DFLT_FONT=3Dcp437
# Disable any extra checking for. . .
nooptions DEADLKRES # Enable the deadlock resolver
nooptions INVARIANTS # Enable calls of extra sanity =
checking
nooptions INVARIANT_SUPPORT # Extra sanity checks of =
internal structures, required by INVARIANTS
nooptions WITNESS # Enable checks to detect =
deadlocks and cycles
nooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks =
for speed
nooptions DIAGNOSTIC
nooptions MALLOC_DEBUG_MAXZONES # Separate malloc(9) zones
# more =
~/src.configs/src.conf.powerpc64-clang_altbinutils-bootstrap.powerpc64-hos=
t
TO_TYPE=3Dpowerpc64
TOOLS_TO_TYPE=3D${TO_TYPE}
VERSION_CONTEXT=3D12.0
#
KERNCONF=3DGENERIC64vtsc-NODBG
TARGET=3Dpowerpc
.if ${.MAKE.LEVEL} =3D=3D 0
TARGET_ARCH=3D${TO_TYPE}
.export TARGET_ARCH
.endif
#
#WITH_CROSS_COMPILER=3D
WITH_SYSTEM_COMPILER=3D
#
# llvm's libunwind assserts during its build
# and two of its .S files get tons of error reports.
# So avoid llvm's libunwind for now.
WITHOUT_LLVM_LIBUNWIND=3D
WITH_LIBCPLUSPLUS=3D
WITHOUT_BINUTILS_BOOTSTRAP=3D
WITH_ELFTOOLCHAIN_BOOTSTRAP=3D
#WITH_CLANG_BOOTSTRAP=3D
WITH_CLANG=3D
WITH_CLANG_IS_CC=3D
WITH_CLANG_FULL=3D
WITH_CLANG_EXTRAS=3D
WITHOUT_LLD_BOOTSTRAP=3D
WITH_LLD=3D
WITHOUT_LLD_IS_LD=3D
WITH_LLDB=3D
#
WITH_BOOT=3D
WITH_LIB32=3D
#
WITHOUT_GCC_BOOTSTRAP=3D
WITHOUT_GCC=3D
WITHOUT_GCC_IS_CC=3D
WITHOUT_GNUCXX=3D
#
NO_WERROR=3D
#
# Avoid converts between pointers to integer types with different sign =
[-Werror,-Wpointer-sign]
# and such from blocking the build.
WERROR=3D
#
MALLOC_PRODUCTION=3D
#
WITH_REPRODUCIBLE_BUILD=3D
WITH_DEBUG_FILES=3D
#
#
# For TO (so-called "cross") stages . . .
# So-called-cross via ${TO_TYPE}-xtoolchain-gcc/${TO_TYPE}-gcc. . .
# TOOLS_TO_TYPE based on ${TO_TYPE}-xtoolchain-gcc related binutils. . .
#
#
# =46rom based on clang (via system). . .
#
CROSS_BINUTILS_PREFIX=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/
.if ${.MAKE.LEVEL} =3D=3D 0
#
CFLAGS.clang+=3D -B${CROSS_BINUTILS_PREFIX}
CXXFLAGS.clang+=3D -B${CROSS_BINUTILS_PREFIX}
.export CFLAGS.clang
.export CXXFLAGS.clang
AS=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/as
AR=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ar
NM=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/nm
OBJCOPY=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objcopy
OBJDUMP=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objdump
RANLIB=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ranlib
XSIZE=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/size
#NO-SUCH: STRINGS=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/strings
STRINGS=3D/usr/local/bin/${TOOLS_TO_TYPE}-freebsd-strings
.export AS
.export AR
.export NM
.export OBJCOPY
.export OBJDUMP
.export RANLIB
.export SIZE
.export STRINGS
LD=3D/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ld
.export LD
.endif
# more =
~/sys_build_scripts.powerpc64-host/make_powerpc64vtsc_nodebug_clang_altbin=
utils-powerpc64-host =
kldload -n filemon && \
script =
~/sys_typescripts/typescript_make_powerpc64vtsc_nodebug_clang_altbinutils-=
powerpc64-host-$(date +%Y-%m-%d:%H:%M:%S) \
env __MAKE_CONF=3D"/root/src.configs/make.conf" \
SRCCONF=3D"/dev/null" =
SRC_ENV_CONF=3D"/root/src.configs/src.conf.powerpc64-clang_altbinutils-boo=
tstrap.powerpc64-host" \
WITH_META_MODE=3Dyes \
=
MAKEOBJDIRPREFIX=3D"/usr/obj/powerpc64vtsc_clang_altbinutils/powerpc.power=
pc64" \
make $*
(I also cross build from amd64 a lot.)
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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