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Message-ID: <Zg-MykEfuqBWpAOY@voyager>
Date: Fri, 5 Apr 2024 07:31:54 +0200
From: Markus Wichmann <nullplan@....net>
To: musl@...ts.openwall.com
Cc: 1068350@...s.debian.org, debian-glibc@...ts.debian.org, doko@...ian.org
Subject: Re: Re: Bug#1068350: musl: miscompiles (runtime problems) on riscv64 and s390x with static-pie → seems to be a toolchain bug
after all, it does too hit glibc
Am Fri, Apr 05, 2024 at 05:04:37AM +0000 schrieb Thorsten Glaser:
> Should be correct:
>
> /usr/libexec/gcc/s390x-linux-gnu/13/collect2 -fno-lto -dynamic-linker /lib/ld-musl-s390x.so.1 -nostdlib -static -static -pie --no-dynamic-linker -o mksh /usr/lib/s390x-linux-musl/rcrt1.o /usr/lib/s390x-linux-musl/crti.o /usr/lib/gcc/s390x-linux-gnu/13/crtbeginS.o -L/usr/lib/s390x-linux-musl -L /usr/lib/gcc/s390x-linux-gnu/13/. -z relro -z now --as-needed -z text --eh-frame-hdr lalloc.o edit.o eval.o exec.o expr.o funcs.o histrap.o jobs.o lex.o main.o misc.o shf.o syn.o tree.o var.o ulimit.o --start-group /usr/lib/gcc/s390x-linux-gnu/13/libgcc.a /usr/lib/gcc/s390x-linux-gnu/13/libgcc_eh.a -lc --end-group /usr/lib/gcc/s390x-linux-gnu/13/crtendS.o /usr/lib/s390x-linux-musl/crtn.o
>
> HTH & HAND,
> //mirabilos
I may not really know what I am talking about, so take this with a grain
of salt, but isn't this missing a -Bsymbolic somewhere? Ironically, that
switch causes ld to not emit symbolic relocations. I seem to remember
reading long ago in Rich's initial -static-pie proposal that that was
one of the switches added to the linker command line.
In any case, the emission of non-relative relocations is the issue here,
and it is coming from the linker.
Ciao,
Markus
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