make unittest failed with mold linker

[pymongo]

[w@ww arceos]$ make unittest
cargo test -p percpu  -- --nocapture
   Compiling percpu_macros v0.1.0 (/home/w/repos/learningOS/arceos/crates/percpu_macros)
error: linking with `clang++` failed: exit status: 1

...

 "-Wl,-z,relro,-z,now" "-nodefaultlibs" "-fuse-ld=mold" "-no-pie" "-T/home/w/repos/learningOS/arceos/crates/percpu/test_percpu.x"
  = note: mold: fatal: /home/w/repos/learningOS/arceos/crates/percpu/test_percpu.x:3: SECTIONS
                                                                               ^ unknown linker script token
          clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
          

error: could not compile `percpu` (test "test_percpu") due to previous error
make: *** [Makefile:192: unittest] Error 101

.cargo/config.toml:

[w@ww arceos]$ cat ~/.cargo/config.toml 
[target.x86_64-unknown-linux-gnu]
linker = "clang++"
rustflags = [
    "-Clink-arg=-fuse-ld=mold",
    "-Ctarget-cpu=znver3",
] 

[target.x86_64-unknown-linux-musl]
rustflags = ["-Clink-arg=-fuse-ld=lld"]

mold 2.0.0 (de991b519a4b2ec90121323dab84b221080a6220; compatible with GNU ld)
clang version 15.0.7

make unitest works ok in GNU ld, doesn't work in mold

[pymongo]

mold linker script support issue rui314/mold#1055