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kbuild: move vmlinux.o link to scripts/Makefile.vmlinux_o
This is a preparation for moving the objtool rule in the next commit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM-14 (x86-64)
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@@ -45,45 +45,6 @@ info()
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printf " %-7s %s\n" "${1}" "${2}"
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}
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# Generate a linker script to ensure correct ordering of initcalls.
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gen_initcalls()
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{
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info GEN .tmp_initcalls.lds
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${PYTHON3} ${srctree}/scripts/jobserver-exec \
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${PERL} ${srctree}/scripts/generate_initcall_order.pl \
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${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS} \
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> .tmp_initcalls.lds
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}
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# Link of vmlinux.o used for section mismatch analysis
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# ${1} output file
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modpost_link()
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{
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local objects
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local lds=""
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objects="--whole-archive \
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${KBUILD_VMLINUX_OBJS} \
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--no-whole-archive \
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--start-group \
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${KBUILD_VMLINUX_LIBS} \
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--end-group"
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if is_enabled CONFIG_LTO_CLANG; then
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gen_initcalls
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lds="-T .tmp_initcalls.lds"
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# This might take a while, so indicate that we're doing
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# an LTO link
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info LTO ${1}
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else
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info LD ${1}
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fi
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${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${lds} ${objects}
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}
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objtool_link()
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{
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local objtoolcmd;
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@@ -336,7 +297,7 @@ fi;
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${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1
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#link vmlinux.o
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modpost_link vmlinux.o
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${MAKE} -f "${srctree}/scripts/Makefile.vmlinux_o"
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objtool_link vmlinux.o
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# Generate the list of in-tree objects in vmlinux
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