fix computation of entry point and main app phdrs when invoking via ldso
[musl] / crt / x86_64 /
drwxr-xr-x   ..
-rw-r--r-- 633 Scrt1.s
-rw-r--r-- 584 crt1.s
-rw-r--r-- 95 crti.s
-rw-r--r-- 61 crtn.s