``` gcc -nostartfiles -fpic -shared bindp.c -o libindp.so -ldl -D_GNU_SOURCE -D_FORTIFY_SOURCE=2 -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -fPIE -pie -Wl,-z,relro -Wl,-z,now /usr/bin/ld.bfd.real: warning: cannot find entry symbol _start; defaulting to 0000000000000660 ```
