link libunwind.a error

[minguofeng]

/usr/bin/ld: ../../../thirdparty/libunwind-1.8-stable/install/usr/local/lib/libunwind.a(Lfind_proc_info-lsb.o): in funct
Lfind_proc_info-lsb.c:(.text+0x200): undefined reference to `_Uloongarch64_get_exe_image_path'

i compile the libunwind ok, but libunwind.a does‘t have _Uloongarch64_get_exe_image_path