github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/vdso (about) BUILD barrier.h check_vdso.py compiler.h cycle_clock.h seqlock.h syscalls.h vdso.cc vdso_amd64.lds vdso_arm64.lds vdso_time.cc vdso_time.h