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btf: rename /sys/kernel/btf/kernel into /sys/kernel/btf/vmlinux

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Expose kernel's BTF under the name vmlinux to be more uniform with using
kernel module names as file names in the future.

Fixes: 341dfcf8d7 ("btf: expose BTF info through sysfs")
Suggested-by: Daniel Borkmann <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
This commit is contained in:
Andrii Nakryiko 2019-08-13 11:54:42 -07:00 • committed by Daniel Borkmann
commit 7fd785685e
3 changed files with 25 additions and 25 deletions
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18
scripts/link-vmlinux.sh
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@ -117,9 +117,9 @@ gen_btf()
# dump .BTF section into raw binary file to link with final vmlinux
bin_arch=$(${OBJDUMP} -f ${1} | grep architecture | \
cut -d, -f1 | cut -d' ' -f2)
${OBJCOPY} --dump-section .BTF=.btf.kernel.bin ${1} 2>/dev/null
${OBJCOPY} --dump-section .BTF=.btf.vmlinux.bin ${1} 2>/dev/null
${OBJCOPY} -I binary -O ${CONFIG_OUTPUT_FORMAT} -B ${bin_arch} \
--rename-section .data=.BTF .btf.kernel.bin ${2}
--rename-section .data=.BTF .btf.vmlinux.bin ${2}
}
# Create ${2} .o file with all symbols from the ${1} object file
@ -227,10 +227,10 @@ ${MAKE} -f "${srctree}/scripts/Makefile.modpost" vmlinux.o
info MODINFO modules.builtin.modinfo
${OBJCOPY} -j .modinfo -O binary vmlinux.o modules.builtin.modinfo
btf_kernel_bin_o=""
btf_vmlinux_bin_o=""
if [ -n "${CONFIG_DEBUG_INFO_BTF}" ]; then
if gen_btf .tmp_vmlinux.btf .btf.kernel.bin.o ; then
btf_kernel_bin_o=.btf.kernel.bin.o
if gen_btf .tmp_vmlinux.btf .btf.vmlinux.bin.o ; then
btf_vmlinux_bin_o=.btf.vmlinux.bin.o
fi
fi
@ -265,11 +265,11 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
kallsyms_vmlinux=.tmp_vmlinux2
# step 1
vmlinux_link .tmp_vmlinux1 ${btf_kernel_bin_o}
vmlinux_link .tmp_vmlinux1 ${btf_vmlinux_bin_o}
kallsyms .tmp_vmlinux1 .tmp_kallsyms1.o
# step 2
vmlinux_link .tmp_vmlinux2 .tmp_kallsyms1.o ${btf_kernel_bin_o}
vmlinux_link .tmp_vmlinux2 .tmp_kallsyms1.o ${btf_vmlinux_bin_o}
kallsyms .tmp_vmlinux2 .tmp_kallsyms2.o
# step 3
@ -280,13 +280,13 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
kallsymso=.tmp_kallsyms3.o
kallsyms_vmlinux=.tmp_vmlinux3
vmlinux_link .tmp_vmlinux3 .tmp_kallsyms2.o ${btf_kernel_bin_o}
vmlinux_link .tmp_vmlinux3 .tmp_kallsyms2.o ${btf_vmlinux_bin_o}
kallsyms .tmp_vmlinux3 .tmp_kallsyms3.o
fi
fi
info LD vmlinux
vmlinux_link vmlinux "${kallsymso}" "${btf_kernel_bin_o}"
vmlinux_link vmlinux "${kallsymso}" "${btf_vmlinux_bin_o}"
if [ -n "${CONFIG_BUILDTIME_EXTABLE_SORT}" ]; then
info SORTEX vmlinux