/usr/lib/mlton/sml/mlrisc-lib/sparc/ is in mlton-basis 20130715-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/mlton/sml/mlrisc-lib/sparc/README.sparc
/usr/lib/mlton/sml/mlrisc-lib/sparc/backpatch/
/usr/lib/mlton/sml/mlrisc-lib/sparc/backpatch/sparcDelaySlotProps.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/backpatch/sparcDelaySlots.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/backpatch/sparcJumps.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/c-calls/
/usr/lib/mlton/sml/mlrisc-lib/sparc/c-calls/sparc-c-calls.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/emit/
/usr/lib/mlton/sml/mlrisc-lib/sparc/emit/sparcAsm.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/emit/sparcMC.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/flowgraph/
/usr/lib/mlton/sml/mlrisc-lib/sparc/flowgraph/sparcGasPseudoOps.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcCells.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcFreqProps.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcInstr.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcPeephole.peep
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcPeephole.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcProps.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcShuffle.sig
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcShuffle.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparccomp-instr-ext.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/instructions/sparcinstr-ext.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/mltree/
/usr/lib/mlton/sml/mlrisc-lib/sparc/mltree/sparc.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/mltree/sparcPseudoInstr.sig
/usr/lib/mlton/sml/mlrisc-lib/sparc/ra/
/usr/lib/mlton/sml/mlrisc-lib/sparc/ra/sparcRegAlloc.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/ra/sparcRewrite.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/ra/sparcSpillInstr.sml
/usr/lib/mlton/sml/mlrisc-lib/sparc/sparc.mdl