Merge branch 'fix-linker' into 'master'

Cargo.lock

Makefile

src/header/dlfcn/mod.rs

src/ld_so/callbacks.rs

src/ld_so/ld_script

src/ld_so/library.rs

src/ld_so/linker.rs

src/ld_so/mod.rs

src/ld_so/start.rs