https://github.com/rust-embedded/cortex-m/blob/0aa7b9023474ea04df1167125e90e9922ae8523f/cortex-m-rt/link.x.in#L147

the .gnu.sgstubs section in link.x doesn't seem to work with lld. It only works if I specify an exact start address, like:

  .gnu.sgstubs ORIGIN(NSC_STUBS) : ALIGN(32)
  {
    . = ALIGN(32);
    __veneer_base = .;
    *(.gnu.sgstubs*)
    . = ALIGN(32);
  } > NSC_STUBS