scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE
At least for ARM64 kernels compiled with the crosstoolchain from Debian/stretch or with the toolchain from kernel.org the line number is not decoded correctly by 'decode_stacktrace.sh': $ echo "[ 136.513051] f1+0x0/0xc [kcrash]" | \ CROSS_COMPILE=/opt/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux- \ ./scripts/decode_stacktrace.sh /scratch/linux-arm64/vmlinux \ /scratch/linux-arm64 \ /nfs/debian/lib/modules/4.20.0-devel [ 136.513051] f1 (/linux/drivers/staging/kcrash/kcrash.c:68) kcrash If addr2line from the toolchain is used the decoded line number is correct: [ 136.513051] f1 (/linux/drivers/staging/kcrash/kcrash.c:57) kcrash Link: http://lkml.kernel.org/r/20190527083425.3763-1-manut@linutronix.de Signed-off-by: Manuel Traut <manut@linutronix.de> Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -73,7 +73,7 @@ parse_symbol() {
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if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then
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local code=${cache[$module,$address]}
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else
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local code=$(addr2line -i -e "$objfile" "$address")
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local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address")
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cache[$module,$address]=$code
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fi
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