kbuild: dummy-tools: support MPROFILE_KERNEL checks for ppc
ppc64le checks for -mprofile-kernel to define MPROFILE_KERNEL Kconfig. Kconfig calls arch/powerpc/tools/gcc-check-mprofile-kernel.sh for that purpose. This script performs two checks: 1) build with -mprofile-kernel should contain "_mcount" 2) build with -mprofile-kernel with a function marked as "notrace" should not produce "_mcount" So support this in dummy-tools' gcc, so that we have MPROFILE_KERNEL always true. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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@ -73,6 +73,15 @@ if arg_contain -S "$@"; then
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echo "%gs"
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exit 0
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fi
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# For arch/powerpc/tools/gcc-check-mprofile-kernel.sh
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if arg_contain -m64 "$@" && arg_contain -mlittle-endian "$@" &&
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arg_contain -mprofile-kernel "$@"; then
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if ! test -t 0 && ! grep -q notrace; then
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echo "_mcount"
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fi
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exit 0
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fi
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fi
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# To set GCC_PLUGINS
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