zyp@rin ~ $ riscv
riscv64-unknown-elf-addr2line      riscv64-unknown-elf-cpp            riscv64-unknown-elf-gcc-ar         riscv64-unknown-elf-gcov-tool      riscv64-unknown-elf-ld.bfd         riscv64-unknown-elf-readelf
riscv64-unknown-elf-ar             riscv64-unknown-elf-elfedit        riscv64-unknown-elf-gcc-nm         riscv64-unknown-elf-gdb            riscv64-unknown-elf-nm             riscv64-unknown-elf-run
riscv64-unknown-elf-as             riscv64-unknown-elf-g++            riscv64-unknown-elf-gcc-ranlib     riscv64-unknown-elf-gdb-add-index  riscv64-unknown-elf-objcopy        riscv64-unknown-elf-size
riscv64-unknown-elf-c++            riscv64-unknown-elf-gcc            riscv64-unknown-elf-gcov           riscv64-unknown-elf-gprof          riscv64-unknown-elf-objdump        riscv64-unknown-elf-strings
riscv64-unknown-elf-c++filt        riscv64-unknown-elf-gcc-9.2.0      riscv64-unknown-elf-gcov-dump      riscv64-unknown-elf-ld             riscv64-unknown-elf-ranlib         riscv64-unknown-elf-strip
zyp@rin ~ $ riscv64-unknown-elf-