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Date:      Sun, 30 Jul 2017 19:58:15 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 221107] -r371706 (so clang 5) TARGET_ARCH=powerpc aha.kld gets: R_PPC_PLTREL24 reloc against local symbol; could not read symbols: Bad value
Message-ID:  <bug-221107-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221107

            Bug ID: 221107
           Summary: -r371706 (so clang 5) TARGET_ARCH=3Dpowerpc aha.kld
                    gets: R_PPC_PLTREL24 reloc against local symbol; could
                    not read symbols: Bad value
           Product: Base System
           Version: CURRENT
          Hardware: powerpc
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: markmi@dsl-only.net

This happens to be via a amd64 -> powerpc
cross build. I experiment with system clang
targeting powerpc (and powerpc64). Until
recently I could buildkernel via clang (but
it had problems if tried to boot the build).

First I show the error reporting text then
the build context used.

--- all_subdir_aha ---
Building
/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvtsc-NODBG/mo=
dules/usr/src/sys/modules/aha/aha.kld
. . .
--- all_subdir_aha ---
Building
/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvtsc-NODBG/mo=
dules/usr/src/sys/modules/aha/aha.ko.full
. . .
--- aha.ko.full ---
ld: aha.kld(.text+0x2b94): R_PPC_PLTREL24 reloc against local symbol
aha.kld: could not read symbols: Bad value
. . .
--- all_subdir_aha ---
*** [aha.ko.full] Error code 1

make[4]: stopped in /usr/src/sys/modules/aha
.ERROR_TARGET=3D'aha.ko.full'
.ERROR_META_FILE=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/=
GENERICvtsc-NODBG/modules/usr/src/sys/modules/aha/aha.ko.full.meta'
.MAKE.LEVEL=3D'4'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes ve=
rbose'
_ERROR_CMD=3D'ld -m elf32ppc_fbsd -Bshareable -znotext -d -warn-common  -o
aha.ko.full aha.kld;'
.CURDIR=3D'/usr/src/sys/modules/aha'
.MAKE=3D'make'
.OBJDIR=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvt=
sc-NODBG/modules/usr/src/sys/modules/aha'
.TARGETS=3D'all'
DESTDIR=3D''
LD_LIBRARY_PATH=3D''
MACHINE=3D'powerpc'
MACHINE_ARCH=3D'powerpc'
MAKEOBJDIRPREFIX=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/=
GENERICvtsc-NODBG/modules'
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20170720'
--- all_subdir_agp ---
Building
/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvtsc-NODBG/mo=
dules/usr/src/sys/modules/agp/agp.ko.full
--- all_subdir_aha ---
PATH=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/usr/s=
bin:/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/usr/bin:/=
usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/bin:/usr/obj/p=
owerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/usr/sbin:/usr/obj/powerpcvtsc_=
clang/powerpc.powerpc/usr/src/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
OBJTOP=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvts=
c-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.powerpc-clang-bootstrap.amd64-host
/usr/src/share/mk/bsd.mkopt.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/aha/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/aha/../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/aha /usr/src/sys/dev/aha
/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvtsc-NODBG'
1 error

make[4]: stopped in /usr/src/sys/modules/aha
.ERROR_TARGET=3D'aha.ko.full'
.ERROR_META_FILE=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/=
GENERICvtsc-NODBG/modules/usr/src/sys/modules/aha/aha.ko.full.meta'
.MAKE.LEVEL=3D'4'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes ve=
rbose'
_ERROR_CMD=3D'ld -m elf32ppc_fbsd -Bshareable -znotext -d -warn-common  -o
aha.ko.full aha.kld;'
.CURDIR=3D'/usr/src/sys/modules/aha'
.MAKE=3D'make'
.OBJDIR=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvt=
sc-NODBG/modules/usr/src/sys/modules/aha'
.TARGETS=3D'all'
DESTDIR=3D''
LD_LIBRARY_PATH=3D''
MACHINE=3D'powerpc'
MACHINE_ARCH=3D'powerpc'
MAKEOBJDIRPREFIX=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/=
GENERICvtsc-NODBG/modules'
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20170720'
PATH=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/usr/s=
bin:/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/usr/bin:/=
usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/legacy/bin:/usr/obj/p=
owerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/usr/sbin:/usr/obj/powerpcvtsc_=
clang/powerpc.powerpc/usr/src/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
OBJTOP=3D'/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvts=
c-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.powerpc-clang-bootstrap.amd64-host
/usr/src/share/mk/bsd.mkopt.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/aha/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/aha/../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/aha /usr/src/sys/dev/aha
/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/sys/GENERICvtsc-NODBG'
*** [all_subdir_aha] Error code 2


Build context:

~/sys_build_scripts.amd64-host/make_powerpcvtsc_nodebug_clang_bootstrap-amd=
64-host.sh
-j8 buildworld buildkernel

# more
~/sys_build_scripts.amd64-host/make_powerpcvtsc_nodebug_clang_bootstrap-amd=
64-host.sh=20
kldload -n filemon && \
script
~/sys_typescripts/typescript_make_powerpcvtsc_nodebug_clang_bootstrap-amd64=
-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.powerpc-clang-bootstrap.amd64-ho=
st" \
WITH_META_MODE=3Dyes \
MAKEOBJDIRPREFIX=3D"/usr/obj/powerpcvtsc_clang" \
make $*

C# more /root/src.configs/make.conf
CFLAGS.gcc+=3D -v

# more /root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-host
TO_TYPE=3Dpowerpc
#
KERNCONF=3DGENERICvtsc-NODBG
TARGET=3D${TO_TYPE}
.if ${.MAKE.LEVEL} =3D=3D 0
TARGET_ARCH=3D${TO_TYPE}
.export TARGET_ARCH
.endif
#
WITH_CROSS_COMPILER=3D
WITHOUT_SYSTEM_COMPILER=3D
#
WITH_LIBCPLUSPLUS=3D
WITH_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=3D
# lldb requires missing atomic 8-byte operations for powerpc (non-64)
WITHOUT_LLDB=3D
#
WITH_BOOT=3D
WITHOUT_LIB32=3D
#
WITHOUT_GCC_BOOTSTRAP=3D
WITHOUT_GCC=3D
WITHOUT_GCC_IS_CC=3D
WITHOUT_GNUCXX=3D
#
NO_WERROR=3D
#
# Use WERROR to avoid stopping at the likes of:
# error: implicit conversion from 'int' to 'int8_t' (aka 'signed char') cha=
nges
value from 128 to -128 [-Werror,-Wconstant-conversion]
WERROR=3D
MALLOC_PRODUCTION=3D
#
WITH_REPRODUCIBLE_BUILD=3D
WITH_DEBUG_FILES=3D

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