Date: Mon, 18 Jan 2016 11:30:40 -0800 From: Mark Millard <markmi@dsl-only.net> To: fehrist@codeghar.com Cc: Toby <misc.lists@fsck.ch>, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: make buildworld failed with error "relocation truncated to fit: R_ARM_JUMP24 against symbol `_fini'" Message-ID: <FF2B458C-5776-4797-9056-4CAA8DFECC43@dsl-only.net> In-Reply-To: <569D2D63.8030301@codeghar.com> References: <3E1CC674-D534-4C33-8C96-CA9E584931C0@dsl-only.net> <569D2557.3060802@codeghar.com> <C9C41590-3798-45D2-8F47-2A5AB4AA137A@dsl-only.net> <374A0F64-E3FC-42F1-AC03-DF8F88269AEB@dsl-only.net> <569D2D63.8030301@codeghar.com>
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On 2016-Jan-18, at 10:22 AM, Hamza Sheikh <fehrist@codeghar.com> wrote: >=20 >> Hmm. Clearly I can not count: I listed 6 files for arm and one for = mips use. Please check all 6 that are for arm. >=20 >> I listed 5 files and their -mlong-calls related content for arm (plus = one file that has -mlong-calls for mips use). Please check all 5 files = for arm for as they were when you built/build and report on what you = find. The files are: >>=20 >>> STATIC_CXXFLAGS+=3D -mlong-calls >>> /usr/src/lib/libc++/Makefile >>=20 >>> STATIC_CFLAGS+=3D -mlong-calls >>> /usr/src/lib/csu/arm/Makefile >>=20 >>> CFLAGS+=3D -mlong-calls >>> /usr/src/usr.bin/clang/lldb/Makefile >>=20 >>> CFLAGS+=3D -mlong-calls >>> /usr/src/usr.bin/clang/clang/Makefile >>=20 >>=20 >>> STATIC_CXXFLAGS+=3D -mlong-calls >>> /usr/src/lib/clang/clang.lib.mk >>=20 >>> ${CC} ${STATIC_CFLAGS} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET} >>> ${CC} ${PO_FLAG} ${STATIC_CFLAGS} ${PO_CFLAGS} -c ${.IMPSRC} = -o ${.TARGET} >>> ${CXX} ${STATIC_CXXFLAGS} ${CXXFLAGS} -c ${.IMPSRC} -o = ${.TARGET} >>> ${CXX} ${PO_FLAG} ${STATIC_CXXFLAGS} ${PO_CXXFLAGS} -c = ${.IMPSRC} -o ${.TARGET} >>> /usr/src/share/mk/bsd.lib.mk >>=20 >=20 > $ find /usr/src/ -name .svn -prune -o -name 'Makefile*' -exec grep = mlong-calls {} \; -print > STATIC_CFLAGS+=3D -mlong-calls > /usr/src/lib/csu/arm/Makefile > STATIC_CXXFLAGS+=3D -mlong-calls > /usr/src/lib/libc++/Makefile > CFLAGS+=3D -mlong-calls > /usr/src/usr.bin/clang/clang/Makefile > CFLAGS+=3D -mlong-calls > /usr/src/usr.bin/clang/lldb/Makefile >=20 > $ find /usr/src/ -name .svn -prune -o -name '*.mk' -exec grep = mlong-calls {} \; -print > STATIC_CXXFLAGS+=3D -mlong-calls > /usr/src/lib/clang/clang.lib.mk > CFLAGS+=3D -G0 -fno-pic -mno-abicalls -mlong-calls > /usr/src/sys/conf/kmod.mk >=20 > $ find /usr/src/ -name .svn -prune -o -name '*.mk' -exec grep -E = 'STATIC_C[XL]|mlong-calls' {} \; -print > STATIC_CXXFLAGS+=3D -mlong-calls > /usr/src/lib/clang/clang.lib.mk > ${CXX} ${STATIC_CXXFLAGS} ${CXXFLAGS} -c ${.IMPSRC} -o = ${.TARGET} > ${CXX} ${PO_FLAG} ${STATIC_CXXFLAGS} ${PO_CXXFLAGS} -c = ${.IMPSRC} -o ${.TARGET} > /usr/src/share/mk/bsd.lib.mk > CFLAGS+=3D -G0 -fno-pic -mno-abicalls -mlong-calls > /usr/src/sys/conf/kmod.mk There is a difference between your list and mine, mine has: >> ${CC} ${STATIC_CFLAGS} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET} >> ${CC} ${PO_FLAG} ${STATIC_CFLAGS} ${PO_CFLAGS} -c ${.IMPSRC} = -o ${.TARGET} in: >> /usr/src/share/mk/bsd.lib.mk but yours does not. Those CC lines with the STATIC_C prefixed symbols go = back years: -r227797 from 2011-Nov-21 so my guess is a copy/paste error = for your note above. I do not know why clang would separate crt1 code from crti code by a = larger distance but not use a code sequence for a long call/jump when = -mlong-calls is present. If it really did that then it sounds like a = defect in clang/llvm 3.7.1 . If you can tolerate tracking the 3.8.0 project ( = base/projects/clang380-import ) until 3.8.0 is moved into 11.0-CURRENT = you could find out that way if clang 3.8.0 behaves the same in your = context. So far I've not come up with anything else to try. --=20 Hamza Sheikh Twitter: @aikchar
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