v1.6.2
https://github.com/libunwind/libunwind/commit/b3ca1b59a795a617877c01fe5d299ab7a07ff29d

Apply https://github.com/libunwind/libunwind/pull/317
Apply https://github.com/libunwind/libunwind/pull/330
Apply https://github.com/libunwind/libunwind/pull/333
Apply https://github.com/libunwind/libunwind/pull/342
Apply https://github.com/libunwind/libunwind/pull/353
Apply https://github.com/libunwind/libunwind/pull/358
Apply https://github.com/libunwind/libunwind/commit/7cf6e84bb86ff5840896b4910ccc3865d4f00ffb
Apply https://github.com/libunwind/libunwind/pull/365
Apply https://github.com/libunwind/libunwind/pull/377
Apply https://github.com/libunwind/libunwind/pull/382
Apply https://github.com/libunwind/libunwind/pull/398
Apply https://github.com/libunwind/libunwind/pull/400

For LoongArch64:
Apply https://github.com/libunwind/libunwind/pull/316 and https://github.com/libunwind/libunwind/pull/322
