How libcareplus compile livepatch file

[Rtoax]

https://github.com/rtoax/libcareplus.git

$ sudo /usr/share/bcc/tools/execsnoop 
PCOMM            PID     PPID    RET ARGS
test-gcc.sh      136818  122922    0 ./test-gcc.sh
gcc              136819  136818    0 /usr/bin/gcc -S foo.c -Wall -Werror
cc1              136820  136819    0 /usr/libexec/gcc/x86_64-redhat-linux/13/cc1 -quiet foo.c -quiet -dumpbase foo.c -dumpbase-ext .c -mtune=generic -march=x86-64 -Wall -Werror -o foo.s
gcc              136821  136818    0 /usr/bin/gcc -S bar.c -Wall -Werror
cc1              136822  136821    0 /usr/libexec/gcc/x86_64-redhat-linux/13/cc1 -quiet bar.c -quiet -dumpbase bar.c -dumpbase-ext .c -mtune=generic -march=x86-64 -Wall -Werror -o bar.s
sed              136823  136818    0 /usr/bin/sed -i s/bar.c/foo.c/ bar.s
upatch_gensrc    136824  136818    0 /usr/bin/upatch_gensrc -d9 --os=rhel6 -i foo.s -i bar.s -o foobar.s --force-global
gcc              136825  136818    0 /usr/bin/gcc -o foo foo.s -Wall -Werror
as               136826  136825    0 /usr/bin/as --64 -o /tmp/ccpTPil6.o foo.s
collect2         136827  136825    0 /usr/libexec/gcc/x86_64-redhat-linux/13/collect2 -plugin /usr/libexec/gcc/x86_64-redhat-linux/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper -plugin-opt=-fresolution=/tmp/ccRlNBXi.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o foo 
ld               136828  136827    0 /usr/bin/ld -plugin /usr/libexec/gcc/x86_64-redhat-linux/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper -plugin-opt=-fresolution=/tmp/ccRlNBXi.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o foo 
gcc              136829  136818    0 /usr/bin/gcc -o foobar foobar.s -Wall -Werror -Wl,-q
as               136830  136829    0 /usr/bin/as --64 -o /tmp/ccoAhjNF.o foobar.s
collect2         136831  136829    0 /usr/libexec/gcc/x86_64-redhat-linux/13/collect2 -plugin /usr/libexec/gcc/x86_64-redhat-linux/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper -plugin-opt=-fresolution=/tmp/ccTCsQCh.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o foobar 
ld               136832  136831    0 /usr/bin/ld -plugin /usr/libexec/gcc/x86_64-redhat-linux/13/liblto_plugin.so -plugin-opt=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper -plugin-opt=-fresolution=/tmp/ccTCsQCh.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lgcc_s --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o foobar 
upatch_strip     136833  136818    0 /usr/bin/upatch_strip --strip foobar foobar.stripped
upatch_strip     136834  136818    0 /usr/bin/upatch_strip --rel-fixup foo foobar.stripped
strip            136835  136818    0 /usr/bin/strip --strip-unneeded foobar.stripped
upatch_strip     136836  136818    0 /usr/bin/upatch_strip --undo-link foo foobar.stripped
readelf          136838  136837    0 /usr/bin/readelf -n foo
grep             136839  136837    0 /usr/bin/grep Build ID
upatch_make      136840  136818    0 /usr/bin/upatch_make -b 520c761f0771885a1092275a049c3bc22b43dc52 foobar.stripped -o foo.upatch -i 1