Date: Wed, 6 Nov 2024 23:29:11 GMT From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d4cfad2d0391 - stable/13 - amd64: do not pass -z rodynamic to ld.bfd when building vdso Message-ID: <202411062329.4A6NTBbr053782@gitrepo.freebsd.org>
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The branch stable/13 has been updated by dim: URL: https://cgit.FreeBSD.org/src/commit/?id=d4cfad2d0391d0bb306d24d1fbcb4ba72078b328 commit d4cfad2d0391d0bb306d24d1fbcb4ba72078b328 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-10-18 14:09:26 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2024-11-06 23:24:38 +0000 amd64: do not pass -z rodynamic to ld.bfd when building vdso (cherry picked from commit 3b2cf9381ef86847603c3c94811f638660c417ae) --- sys/tools/amd64_ia32_vdso.sh | 7 ++++++- sys/tools/amd64_vdso.sh | 9 +++++++-- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/sys/tools/amd64_ia32_vdso.sh b/sys/tools/amd64_ia32_vdso.sh index e64c964219c3..09e08dc05dd2 100644 --- a/sys/tools/amd64_ia32_vdso.sh +++ b/sys/tools/amd64_ia32_vdso.sh @@ -34,9 +34,14 @@ ${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c -m32 \ -o ia32_sigtramp.pico -I. -I"${S}" -include opt_global.h \ "${S}"/amd64/ia32/ia32_sigtramp.S +if ${LD} --version | ${AWK} '/^GNU ld/{exit 1}' ; then + RODYNAMIC="-z rodynamic" +else + RODYNAMIC="" +fi ${LD} --shared -Bsymbolic -soname="elf-vdso32.so.1" \ -T "${S}"/conf/vdso_amd64_ia32.ldscript \ - --eh-frame-hdr --no-undefined -z rodynamic -z norelro -nmagic \ + --eh-frame-hdr --no-undefined ${RODYNAMIC} -z norelro -nmagic \ --hash-style=sysv --fatal-warnings --strip-all \ -o elf-vdso32.so.1 ia32_sigtramp.pico diff --git a/sys/tools/amd64_vdso.sh b/sys/tools/amd64_vdso.sh index 1a0203e3e0a4..295b16c87c2d 100644 --- a/sys/tools/amd64_vdso.sh +++ b/sys/tools/amd64_vdso.sh @@ -40,12 +40,17 @@ ${CC} -x assembler-with-cpp -DLOCORE -fPIC -nostdinc -c \ # # -z rodynamic is undocumented lld-specific option, seemingly required # for lld to avoid putting dynamic into dedicated writeable segment, -# despite ldscript placement. It is ignored by ld.bfd but ldscript +# despite ldscript placement. It is omitted for ld.bfd, but ldscript # alone is enough there. # +if ${LD} --version | ${AWK} '/^GNU ld/{exit 1}' ; then + RODYNAMIC="-z rodynamic" +else + RODYNAMIC="" +fi ${LD} --shared -Bsymbolic -soname="elf-vdso.so.1" \ -T "${S}"/conf/vdso_amd64.ldscript \ - --eh-frame-hdr --no-undefined -z rodynamic -z norelro -nmagic \ + --eh-frame-hdr --no-undefined ${RODYNAMIC} -z norelro -nmagic \ --hash-style=sysv --fatal-warnings --strip-all \ -o elf-vdso.so.1 sigtramp.pico
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