linux-kernel - Re: [next] ld.lld: error: ./arch/arm/kernel/vmlinux.lds:34: AT expected, but got NOCROSSREFS

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Message-ID: <YiolQp58KrkNkj5R@dev-arch.thelio-3990X>
Date:   Thu, 10 Mar 2022 09:20:18 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     clang-built-linux <clang-built-linux@...glegroups.com>,
        llvm@...ts.linux.dev,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: Re: [next] ld.lld: error: ./arch/arm/kernel/vmlinux.lds:34: AT
 expected, but got NOCROSSREFS

On Thu, Mar 10, 2022 at 05:07:36PM +0530, Naresh Kamboju wrote:
> Linux next-20220310 arm clang builds failed due to following errors/warnings.
> 
> metadata:
>     git_describe: next-20220310
>     git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>     git_sha: 71941773e143369a73c9c4a3b62fbb60736a1182
>     git_short_log: 71941773e143 (\Add linux-next specific files for 20220310\)
>     target_arch: arm
>     toolchain: clang-14
>     Kconfig: https://builds.tuxbuild.com/26BmBgHzW9MFZ3R0kIwL0Ce2r09/config
> 
> make --silent --keep-going --jobs=8
> O=/home/tuxbuild/.cache/tuxmake/builds/1/build LLVM=1 LLVM_IAS=1
> ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 'HOSTCC=sccache clang'
> 'CC=sccache clang'
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> clang: warning: argument unused during compilation: '-march=armv7-a'
> [-Wunused-command-line-argument]
> ld.lld: error: ./arch/arm/kernel/vmlinux.lds:34: AT expected, but got
> NOCROSSREFS
> >>>  __vectors_lma = .; OVERLAY 0xffff0000 : NOCROSSREFS AT(__vectors_lma) { .vectors { *(.vectors) } .vectors.bhb.loop8 { *(.vectors.bhb.loop8) } .vectors.bhb.bpiall { *(.vectors.bhb.bpiall) } } __vectors_start = LOADADDR(.vectors); __vectors_end = LOADADDR(.vectors) + SIZEOF(.vectors); __vectors_bhb_loop8_start = LOADADDR(.vectors.bhb.loop8); __vectors_bhb_loop8_end = LOADADDR(.vectors.bhb.loop8) + SIZEOF(.vectors.bhb.loop8); __vectors_bhb_bpiall_start = LOADADDR(.vectors.bhb.bpiall); __vectors_bhb_bpiall_end = LOADADDR(.vectors.bhb.bpiall) + SIZEOF(.vectors.bhb.bpiall); . = __vectors_lma + SIZEOF(.vectors) + SIZEOF(.vectors.bhb.loop8) + SIZEOF(.vectors.bhb.bpiall); __stubs_lma = .; .stubs ADDR(.vectors) + 0x1000 : AT(__stubs_lma) { *(.stubs) } __stubs_start = LOADADDR(.stubs); __stubs_end = LOADADDR(.stubs) + SIZEOF(.stubs); . = __stubs_lma + SIZEOF(.stubs); PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors));
> >>>                                          ^
> make[1]: *** [/builds/linux/Makefile:1225: vmlinux] Error 1

Hi Naresh,

Thank you for the report! This is already fixed in mainline with
commit 36168e387fa7 ("ARM: Do not use NOCROSSREFS directive with
ld.lld"). This should be in next-20220311.

Cheers,
Nathan