message: Ensure there is a stub Tcb for dynamically linked binaries
diff: @@ -17,7 +17,7 @@ use crate::{
  ALLOCATOR,
  };
  -use super::{access::accessible, debug::_r_debug, linker::Linker, tcb::Tcb, PATH_SEP};
  +use super::{access::accessible, debug::_r_debug, linker::Linker, tcb::Tcb, ExpectTlsFree, PATH_SEP};
  use crate::header::sys_auxv::{AT_ENTRY, AT_PHDR};
  use goblin::elf::header::header64::SIZEOF_EHDR;
  @@ -213,6 +213,12 @@ pub extern "C" fn relibc_ld_so_start(sp: &'static mut Stack, ld_entry: usize) ->
  }
  };
  + // Ensure there is a stub Tcb
  + unsafe {
  + let tcb = Tcb::new(0).expect_notls("failed to allocate TCB");
  + tcb.activate();
  + }
  +
  // if we are not running in manual mode, then the main
  // program is already loaded by the kernel and we want
  // to use it. on redox, we treat it the same.
  