diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.functions.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.functions.txt
new file mode 100644
index 000000000..17899b1f6
--- /dev/null
+++ b/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.functions.txt
@@ -0,0 +1,1122 @@
+abort
+abs
+accept
+access
+acct
+alarm
+alphasort
+alphasort64
+android_getaddrinfoforiface
+android_gethostbyaddrforiface
+android_gethostbyaddrforiface_proxy
+android_gethostbyaddrforiface_real
+android_gethostbynameforiface
+android_getnameinfoforiface
+__arc4_getbyte
+arc4random
+arc4random_addrandom
+arc4random_buf
+arc4random_stir
+arc4random_uniform
+asctime
+asctime64
+asctime64_r
+asctime_r
+asprintf
+__assert
+__assert2
+atof
+atoi
+atol
+atoll
+__b64_ntop
+__b64_pton
+basename
+basename_r
+bcopy
+bind
+bindresvport
+__bionic_clone
+__bionic_clone_entry
+__bionic_name_mem
+brk
+bsd_signal
+bsearch
+btowc
+_cache_get_nameserver_addr
+calloc
+capget
+capset
+cfgetispeed
+cfgetospeed
+cfmakeraw
+cfsetispeed
+cfsetospeed
+cfsetspeed
+chdir
+chmod
+chown
+chroot
+_cleanup
+clearenv
+clearerr
+clock
+clock_getres
+clock_gettime
+clock_nanosleep
+clock_settime
+clone
+close
+closedir
+closelog
+closelog_r
+connect
+creat
+creat64
+ctime
+ctime64
+ctime64_r
+ctime_r
+__cxa_atexit
+__cxa_finalize
+daemon
+delete_module
+__deregister_frame
+__deregister_frame_info
+__deregister_frame_info_bases
+difftime
+dirfd
+dirname
+dirname_r
+div
+dlbulk_free
+dlcalloc
+dlfree
+dlindependent_calloc
+dlindependent_comalloc
+dlmallinfo
+dlmalloc
+dlmalloc_footprint
+dlmalloc_footprint_limit
+dlmalloc_inspect_all
+dlmalloc_max_footprint
+dlmalloc_set_footprint_limit
+dlmalloc_stats
+dlmalloc_trim
+dlmalloc_usable_size
+dlmallopt
+dlmemalign
+dlposix_memalign
+dlpvalloc
+dlrealloc
+dlrealloc_in_place
+dlvalloc
+__dn_comp
+__dn_count_labels
+dn_expand
+__dn_skipname
+__dorand48
+drand48
+dup
+dup2
+dup3
+endmntent
+endpwent
+endservent
+endusershell
+endutent
+epoll_create
+epoll_create1
+epoll_ctl
+epoll_pwait
+epoll_wait
+erand48
+err
+__errno
+errx
+ether_aton
+ether_aton_r
+ether_ntoa
+ether_ntoa_r
+__evAddTime
+__evCmpTime
+__evConsIovec
+__evConsTime
+eventfd
+eventfd_read
+eventfd_write
+__evNowTime
+__evSubTime
+__evTimeSpec
+__evTimeVal
+__evUTCTime
+execl
+execle
+execlp
+execv
+execve
+execvp
+execvpe
+exit
+_exit
+_exit_with_stack_teardown
+__extenddftf2
+faccessat
+fake_gmtime_r
+fake_localtime_r
+fallocate
+fallocate64
+fchdir
+fchmod
+fchmodat
+fchown
+fchownat
+fclose
+fcntl
+fdatasync
+__FD_CLR_chk
+__FD_ISSET_chk
+fdopen
+fdopendir
+fdprintf
+__FD_SET_chk
+feof
+ferror
+fflush
+ffs
+fgetc
+fgetln
+fgetpos
+fgets
+__fgets_chk
+fgetwc
+fgetws
+fgetxattr
+fileno
+__findenv
+flistxattr
+flock
+flockfile
+fnmatch
+fopen
+fork
+fpathconf
+__fp_nquery
+__fp_query
+fprintf
+fpurge
+fputc
+fputs
+fputwc
+fputws
+__frame_state_for
+fread
+free
+freeaddrinfo
+freedtoa
+free_malloc_leak_info
+fremovexattr
+freopen
+fscanf
+fseek
+fseeko
+fsetpos
+fsetxattr
+fstat
+fstat64
+fstatat
+fstatat64
+fstatfs
+fstatfs64
+fstatvfs
+fstatvfs64
+fsync
+ftell
+ftello
+ftime
+ftok
+ftruncate
+ftruncate64
+ftrylockfile
+fts_children
+fts_close
+fts_open
+fts_read
+fts_set
+ftw
+ftw64
+funlockfile
+funopen
+futex
+__futex_syscall3
+__futex_syscall4
+__futex_wait
+__futex_wait_ex
+__futex_wake
+__futex_wake_ex
+futimens
+_fwalk
+fwide
+fwprintf
+fwrite
+fwscanf
+gai_strerror
+getaddrinfo
+getauxval
+getc
+getchar
+getchar_unlocked
+getc_unlocked
+getcwd
+getdelim
+getdents
+getdtablesize
+getegid
+getenv
+geteuid
+getgid
+getgrgid
+getgrnam
+getgrouplist
+getgroups
+__get_h_errno
+gethostbyaddr
+gethostbyname
+gethostbyname2
+gethostbyname_r
+gethostent
+gethostname
+getitimer
+getline
+getlogin
+_getlong
+get_malloc_leak_info
+getmntent
+getnameinfo
+getnetbyaddr
+getnetbyname
+getopt
+getopt_long
+getopt_long_only
+getpagesize
+getpeername
+getpgid
+getpgrp
+getpid
+getppid
+getpriority
+getprogname
+getprotobyname
+getprotobynumber
+getpt
+getpwnam
+getpwnam_r
+getpwuid
+getpwuid_r
+getresgid
+getresuid
+getrlimit
+getrlimit64
+getrusage
+gets
+getservbyname
+getservbyport
+getservent
+getservent_r
+_getshort
+getsid
+getsockname
+getsockopt
+__get_sp
+gettid
+gettimeofday
+getuid
+getusershell
+getutent
+getwc
+getwchar
+getxattr
+gmtime
+gmtime64
+gmtime64_r
+gmtime_r
+herror
+__hostalias
+hstrerror
+if_indextoname
+if_nametoindex
+imaxabs
+imaxdiv
+index
+inet_addr
+inet_aton
+inet_nsap_addr
+inet_nsap_ntoa
+inet_ntoa
+inet_ntop
+inet_pton
+initgroups
+init_module
+inotify_add_watch
+inotify_init
+inotify_init1
+inotify_rm_watch
+ioctl
+ioprio_get
+ioprio_set
+isalnum
+isalpha
+isascii
+isatty
+isblank
+iscntrl
+isdigit
+isgraph
+islower
+isprint
+ispunct
+issetugid
+isspace
+isupper
+iswalnum
+iswalpha
+iswcntrl
+iswctype
+iswdigit
+iswgraph
+iswlower
+iswprint
+iswpunct
+iswspace
+iswupper
+iswxdigit
+isxdigit
+jrand48
+kill
+killpg
+klogctl
+labs
+lchown
+ldexp
+ldiv
+lgetxattr
+__libc_fini
+__libc_init
+link
+linkat
+listen
+listxattr
+llabs
+lldiv
+llistxattr
+localtime
+localtime64
+localtime64_r
+localtime_r
+localtime_tz
+__loc_aton
+__loc_ntoa
+longjmp
+_longjmp
+longjmperror
+lrand48
+lremovexattr
+lseek
+lseek64
+lsetxattr
+lstat
+lstat64
+madvise
+mallinfo
+malloc
+malloc_usable_size
+mbrlen
+mbrtowc
+mbsinit
+mbsrtowcs
+mbstowcs
+MD5_Final
+MD5_Init
+MD5_Update
+memalign
+memccpy
+memchr
+memcmp
+__memcmp16
+memcpy
+__memcpy_chk
+memmem
+memmove
+__memmove_chk
+memrchr
+memset
+__memset_chk
+mincore
+mkdir
+mkdirat
+mkdtemp
+mkfifo
+mknod
+mknodat
+mkstemp
+mkstemp64
+mkstemps
+mktemp
+mktime
+mktime64
+mktime_tz
+mlock
+mlockall
+mmap
+mmap64
+mount
+mprotect
+mrand48
+mremap
+msync
+munlock
+munlockall
+munmap
+nanosleep
+nftw
+nftw64
+nice
+nrand48
+nsdispatch
+__ns_format_ttl
+__ns_get16
+__ns_get32
+__ns_initparse
+__ns_makecanon
+__ns_msg_getflag
+__ns_name_compress
+__ns_name_eq
+__ns_name_labels
+__ns_name_length
+__ns_name_map
+__ns_name_ntol
+__ns_name_ntop
+__ns_name_owned
+__ns_name_pack
+__ns_name_pton
+__ns_name_pton2
+__ns_name_rollback
+__ns_name_skip
+__ns_name_uncompress
+__ns_name_unpack
+__ns_name_unpack2
+__ns_parserr
+__ns_parserr2
+__ns_put16
+__ns_put32
+__ns_samename
+__ns_skiprr
+__ns_sprintrr
+__ns_sprintrrf
+open
+__open_2
+open64
+openat
+__openat_2
+openat64
+opendir
+openlog
+openlog_r
+pathconf
+pause
+__p_cdname
+__p_cdnname
+__p_class
+pclose
+perf_event_open
+perror
+personality
+__p_fqname
+__p_fqnname
+pipe
+pipe2
+poll
+__popcountdi2
+popen
+__p_option
+posix2time
+posix_fallocate
+posix_fallocate64
+posix_memalign
+ppoll
+__p_query
+__p_rcode
+prctl
+pread
+pread64
+printf
+prlimit
+prlimit64
+__p_secstodate
+__p_section
+pselect
+psiginfo
+psignal
+__p_sockun
+pthread_atfork
+pthread_attr_destroy
+pthread_attr_getdetachstate
+pthread_attr_getguardsize
+pthread_attr_getschedparam
+pthread_attr_getschedpolicy
+pthread_attr_getscope
+pthread_attr_getstack
+pthread_attr_getstacksize
+pthread_attr_init
+pthread_attr_setdetachstate
+pthread_attr_setguardsize
+pthread_attr_setschedparam
+pthread_attr_setschedpolicy
+pthread_attr_setscope
+pthread_attr_setstack
+pthread_attr_setstacksize
+__pthread_cleanup_pop
+__pthread_cleanup_push
+pthread_condattr_destroy
+pthread_condattr_getclock
+pthread_condattr_getpshared
+pthread_condattr_init
+pthread_condattr_setclock
+pthread_condattr_setpshared
+pthread_cond_broadcast
+pthread_cond_destroy
+pthread_cond_init
+pthread_cond_signal
+pthread_cond_timedwait
+pthread_cond_wait
+pthread_create
+pthread_detach
+pthread_equal
+pthread_exit
+pthread_getattr_np
+pthread_getcpuclockid
+pthread_getschedparam
+pthread_getspecific
+__pthread_gettid
+pthread_join
+pthread_key_create
+pthread_key_delete
+pthread_kill
+pthread_mutexattr_destroy
+pthread_mutexattr_getpshared
+pthread_mutexattr_gettype
+pthread_mutexattr_init
+pthread_mutexattr_setpshared
+pthread_mutexattr_settype
+pthread_mutex_destroy
+pthread_mutex_init
+pthread_mutex_lock
+pthread_mutex_timedlock
+pthread_mutex_trylock
+pthread_mutex_unlock
+pthread_once
+pthread_rwlockattr_destroy
+pthread_rwlockattr_getpshared
+pthread_rwlockattr_init
+pthread_rwlockattr_setpshared
+pthread_rwlock_destroy
+pthread_rwlock_init
+pthread_rwlock_rdlock
+pthread_rwlock_timedrdlock
+pthread_rwlock_timedwrlock
+pthread_rwlock_tryrdlock
+pthread_rwlock_trywrlock
+pthread_rwlock_unlock
+pthread_rwlock_wrlock
+pthread_self
+pthread_setname_np
+pthread_setschedparam
+pthread_setspecific
+pthread_sigmask
+__p_time
+ptrace
+ptsname
+ptsname_r
+__p_type
+putc
+putchar
+putchar_unlocked
+putc_unlocked
+putenv
+__putlong
+puts
+__putshort
+pututline
+putw
+putwc
+putwchar
+pvalloc
+pwrite
+pwrite64
+qsort
+raise
+read
+readahead
+__read_chk
+readdir
+readdir64
+readdir64_r
+readdir_r
+readlink
+readlinkat
+readv
+realloc
+realpath
+reboot
+recv
+recvfrom
+__recvfrom_chk
+recvmmsg
+recvmsg
+regcomp
+regerror
+regexec
+regfree
+__register_frame
+__register_frame_info
+__register_frame_info_bases
+__register_frame_info_table
+__register_frame_info_table_bases
+__register_frame_table
+remove
+removexattr
+rename
+renameat
+__res_close
+__res_dnok
+__res_get_nibblesuffix
+__res_get_nibblesuffix2
+__res_getservers
+__res_get_state
+__res_get_static
+__res_hnok
+__res_hostalias
+res_init
+__res_isourserver
+__res_mailok
+res_mkquery
+__res_nameinquery
+__res_nametoclass
+__res_nametotype
+__res_nclose
+__res_ndestroy
+__res_ninit
+__res_nmkquery
+__res_nopt
+__res_nquery
+__res_nquerydomain
+__res_nsearch
+__res_nsend
+_resolv_clear_iface_for_pid
+_resolv_clear_iface_for_uid_range
+_resolv_clear_iface_pid_mapping
+_resolv_clear_iface_uid_range_mapping
+_resolv_flush_cache_for_default_iface
+_resolv_flush_cache_for_iface
+_resolv_get_pids_associated_interface
+_resolv_get_uids_associated_interface
+_resolv_set_addr_of_iface
+_resolv_set_default_iface
+_resolv_set_iface_for_pid
+_resolv_set_iface_for_uid_range
+_resolv_set_nameservers_for_iface
+__res_opt
+__res_ownok
+__res_pquery
+__res_put_state
+__res_queriesmatch
+res_query
+__res_querydomain
+__res_randomid
+res_search
+__res_send
+__res_send_setqhook
+__res_send_setrhook
+res_setiface
+res_setmark
+__res_setservers
+__res_vinit
+rewind
+rewinddir
+rmdir
+sbrk
+scandir
+scandir64
+scanf
+__sched_cpualloc
+__sched_cpucount
+__sched_cpufree
+sched_getaffinity
+sched_getcpu
+sched_getparam
+sched_get_priority_max
+sched_get_priority_min
+sched_getscheduler
+sched_rr_get_interval
+sched_setaffinity
+sched_setparam
+sched_setscheduler
+sched_yield
+__sclose
+seed48
+select
+sem_close
+sem_destroy
+sem_getvalue
+sem_init
+sem_open
+sem_post
+sem_timedwait
+sem_trywait
+sem_unlink
+sem_wait
+send
+sendfile
+sendfile64
+sendmmsg
+sendmsg
+sendto
+setbuf
+setbuffer
+setegid
+setenv
+seteuid
+setgid
+setgroups
+setitimer
+setjmp
+_setjmp
+setlinebuf
+setlocale
+setlogmask
+setlogmask_r
+setmntent
+setns
+setpgid
+setpgrp
+setpriority
+setprogname
+setregid
+setresgid
+setresuid
+setreuid
+setrlimit
+setrlimit64
+setservent
+setsid
+setsockopt
+settimeofday
+__set_tls
+setuid
+setusershell
+setutent
+setvbuf
+setxattr
+__sflags
+__sflush
+__sflush_locked
+__sfp
+__sfp_handle_exceptions
+SHA1Final
+SHA1Init
+SHA1Transform
+SHA1Update
+shutdown
+sigaction
+sigaddset
+sigaltstack
+sigblock
+sigdelset
+sigemptyset
+sigfillset
+siginterrupt
+sigismember
+siglongjmp
+signal
+signalfd
+signalfd4
+sigpending
+sigprocmask
+sigsetjmp
+sigsetmask
+sigsuspend
+sigwait
+__sinit
+__slbexpand
+sleep
+__smakebuf
+snprintf
+__snprintf_chk
+socket
+socketpair
+sprintf
+__sprintf_chk
+srand48
+__sread
+__srefill
+__srget
+sscanf
+__sseek
+__stack_chk_fail
+stat
+stat64
+statfs
+statfs64
+statvfs
+statvfs64
+strcasecmp
+strcasestr
+strcat
+__strcat_chk
+strchr
+__strchr_chk
+strcmp
+strcoll
+strcpy
+__strcpy_chk
+strcspn
+strdup
+strerror
+strerror_r
+strftime
+strftime_tz
+strlcat
+__strlcat_chk
+strlcpy
+__strlcpy_chk
+strlen
+__strlen_chk
+strncasecmp
+strncat
+__strncat_chk
+strncmp
+strncpy
+__strncpy_chk
+__strncpy_chk2
+strndup
+strnlen
+strntoimax
+strntoumax
+strpbrk
+strptime
+strrchr
+__strrchr_chk
+strsep
+strsignal
+strspn
+strstr
+strtod
+strtof
+strtoimax
+strtok
+strtok_r
+strtol
+strtold
+strtoll
+strtoq
+strtotimeval
+strtoul
+strtoull
+strtoumax
+strtouq
+strxfrm
+__svfscanf
+swapoff
+swapon
+__swbuf
+__swhatbuf
+swprintf
+__swrite
+swscanf
+__swsetup
+symlink
+symlinkat
+__sym_ntop
+__sym_ntos
+__sym_ston
+sync
+syscall
+sysconf
+sysinfo
+syslog
+syslog_r
+system
+__system_properties_init
+__system_property_add
+__system_property_area_init
+__system_property_find
+__system_property_find_compat
+__system_property_find_nth
+__system_property_foreach
+__system_property_foreach_compat
+__system_property_get
+__system_property_read
+__system_property_read_compat
+__system_property_serial
+__system_property_set
+__system_property_set_filename
+__system_property_update
+__system_property_wait_any
+sysv_signal
+tcdrain
+tcflow
+tcflush
+tcgetattr
+tcgetpgrp
+tcgetsid
+tcsendbreak
+tcsetattr
+tcsetpgrp
+tdelete
+tdestroy
+tempnam
+tfind
+tgkill
+_thread_created_hook
+time
+time2posix
+timegm
+timegm64
+timelocal
+timelocal64
+timer_create
+timer_delete
+timerfd_create
+timerfd_gettime
+timerfd_settime
+timer_getoverrun
+timer_gettime
+timer_settime
+times
+tkill
+tmpfile
+tmpnam
+toascii
+tolower
+toupper
+towlower
+towupper
+truncate
+truncate64
+__trunctfdf2
+tsearch
+ttyname
+ttyname_r
+tzset
+tzsetwall
+umask
+__umask_chk
+umount
+umount2
+uname
+ungetc
+ungetwc
+unlink
+unlinkat
+unlockpt
+unsetenv
+unshare
+_Unwind_Backtrace
+_Unwind_DeleteException
+_Unwind_FindEnclosingFunction
+_Unwind_Find_FDE
+_Unwind_ForcedUnwind
+_Unwind_GetCFA
+_Unwind_GetDataRelBase
+_Unwind_GetGR
+_Unwind_GetIP
+_Unwind_GetIPInfo
+_Unwind_GetLanguageSpecificData
+_Unwind_GetRegionStart
+_Unwind_GetTextRelBase
+_Unwind_RaiseException
+_Unwind_Resume
+_Unwind_Resume_or_Rethrow
+_Unwind_SetGR
+_Unwind_SetIP
+usleep
+utime
+utimensat
+utimes
+utmpname
+valloc
+vasprintf
+verr
+verrx
+vfdprintf
+vfork
+vfprintf
+__vfprintf
+vfscanf
+vfwprintf
+vprintf
+vscanf
+vsnprintf
+__vsnprintf_chk
+vsprintf
+__vsprintf_chk
+vsscanf
+vswprintf
+vsyslog
+vsyslog_r
+vwarn
+vwarnx
+vwprintf
+wait
+wait3
+wait4
+waitid
+waitpid
+warn
+warnx
+wcpcpy
+wcpncpy
+wcrtomb
+wcscasecmp
+wcscat
+wcschr
+wcscmp
+wcscoll
+wcscpy
+wcscspn
+wcsdup
+wcsftime
+wcslcat
+wcslcpy
+wcslen
+wcsncasecmp
+wcsncat
+wcsncmp
+wcsncpy
+wcsnlen
+wcspbrk
+wcsrchr
+wcsrtombs
+wcsspn
+wcsstr
+wcstod
+wcstok
+wcstol
+wcstombs
+wcstoul
+wcswcs
+wcswidth
+wcsxfrm
+wctob
+wctype
+wcwidth
+wmemchr
+wmemcmp
+wmemcpy
+wmemmove
+wmemset
+wprintf
+write
+writev
+wscanf
+_Z22__system_property_waitPK9prop_info
diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.variables.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.variables.txt
new file mode 100644
index 000000000..c2212aa60
--- /dev/null
+++ b/ndk/platforms/android-20/arch-x86_64/symbols/libc.so.variables.txt
@@ -0,0 +1,40 @@
+__atexit
+__atexit_invalid
+__bionic_brk
+_ctype_
+daylight
+environ
+gAllocationsMutex
+gHashTable
+gMallocDebugBacklog
+gMallocDebugLevel
+gMallocLeakZygoteChild
+h_errlist
+__isthreaded
+__libc_malloc_default_dispatch
+__libc_malloc_dispatch
+optarg
+opterr
+optind
+optopt
+optreset
+__p_cert_syms
+__p_class_syms
+__p_key_syms
+__p_rcode_syms
+__progname
+__p_type_syms
+__rand48_add
+__rand48_mult
+__rand48_seed
+__sdidinit
+__sF
+__sglue
+__stack_chk_guard
+sys_siglist
+sys_signame
+__system_property_area__
+timezone
+_tolower_tab_
+_toupper_tab_
+tzname
diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libdl.so.functions.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libdl.so.functions.txt
new file mode 100644
index 000000000..ba17e6d96
--- /dev/null
+++ b/ndk/platforms/android-20/arch-x86_64/symbols/libdl.so.functions.txt
@@ -0,0 +1,8 @@
+android_get_LD_LIBRARY_PATH
+android_update_LD_LIBRARY_PATH
+dladdr
+dlclose
+dlerror
+dl_iterate_phdr
+dlopen
+dlsym
diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libdl.so.variables.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libdl.so.variables.txt
new file mode 100644
index 000000000..e69de29bb
diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.functions.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.functions.txt
new file mode 100644
index 000000000..552359266
--- /dev/null
+++ b/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.functions.txt
@@ -0,0 +1,295 @@
+acos
+acosf
+acosh
+acoshf
+acoshl
+acosl
+__addtf3
+asin
+asinf
+asinh
+asinhf
+asinhl
+asinl
+atan
+atan2
+atan2f
+atan2l
+atanf
+atanh
+atanhf
+atanhl
+atanl
+__broken__fpclassify
+__broken__isfinitel
+__broken__isinfl
+__broken__isnanl
+__broken__isnormall
+__broken_signbitl
+cabs
+cabsf
+carg
+cargf
+cbrt
+cbrtf
+cbrtl
+ccos
+ccosf
+ccosh
+ccoshf
+ceil
+ceilf
+ceill
+cexp
+cexpf
+cimag
+cimagf
+conj
+conjf
+copysign
+copysignf
+copysignl
+cos
+cosf
+cosh
+coshf
+coshl
+cosl
+cproj
+cprojf
+creal
+crealf
+csin
+csinf
+csinh
+csinhf
+csqrt
+csqrtf
+ctan
+ctanf
+ctanh
+ctanhf
+__divtf3
+drem
+dremf
+__eqtf2
+erf
+erfc
+erfcf
+erfcl
+erff
+erfl
+exp
+exp2
+exp2f
+exp2l
+__exp__D
+expf
+expl
+expm1
+expm1f
+expm1l
+__extenddftf2
+__extendsftf2
+fabs
+fabsf
+fabsl
+fdim
+fdimf
+fdiml
+feclearexcept
+fedisableexcept
+feenableexcept
+fegetenv
+fegetexcept
+fegetexceptflag
+fegetround
+feholdexcept
+feraiseexcept
+fesetenv
+fesetexceptflag
+fesetround
+fetestexcept
+feupdateenv
+finite
+finitef
+floor
+floorf
+floorl
+fma
+fmaf
+fmal
+fmax
+fmaxf
+fmaxl
+fmin
+fminf
+fminl
+fmod
+fmodf
+fmodl
+__fpclassifyd
+__fpclassifyf
+__fpclassifyl
+frexp
+frexpf
+frexpl
+gamma
+gammaf
+gammaf_r
+gamma_r
+__getf2
+__gttf2
+hypot
+hypotf
+hypotl
+__ieee754_rem_pio2
+__ieee754_rem_pio2f
+ilogb
+ilogbf
+ilogbl
+__isfinite
+__isfinitef
+__isfinitel
+isinf
+__isinf
+__isinff
+__isinfl
+isnan
+isnanf
+__isnanf
+__isnanl
+__isnormal
+__isnormalf
+__isnormall
+j0
+j0f
+j1
+j1f
+jn
+jnf
+__kernel_cos
+__kernel_cosdf
+__kernel_rem_pio2
+__kernel_sin
+__kernel_sindf
+__kernel_tan
+__kernel_tandf
+__ldexp_cexp
+__ldexp_cexpf
+__ldexp_exp
+__ldexp_expf
+ldexpf
+ldexpl
+lgamma
+lgammaf
+lgammaf_r
+lgammal
+lgamma_r
+llrint
+llrintf
+llrintl
+llround
+llroundf
+llroundl
+log
+log10
+log10f
+log10l
+log1p
+log1pf
+log1pl
+log2
+log2f
+log2l
+logb
+logbf
+logbl
+__log__D
+logf
+logl
+lrint
+lrintf
+lrintl
+lround
+lroundf
+lroundl
+modf
+modff
+modfl
+__multf3
+nan
+nanf
+nanl
+nearbyint
+nearbyintf
+nearbyintl
+__netf2
+nextafter
+nextafterf
+nextafterl
+nexttowardf
+pow
+powf
+powl
+remainder
+remainderf
+remainderl
+remquo
+remquof
+remquol
+rint
+rintf
+rintl
+round
+roundf
+roundl
+scalb
+scalbf
+scalbln
+scalblnf
+scalblnl
+scalbn
+scalbnf
+scalbnl
+_scan_nan
+__sfp_handle_exceptions
+__signbit
+__signbitf
+__signbitl
+significand
+significandf
+significandl
+sin
+sincos
+sincosf
+sincosl
+sinf
+sinh
+sinhf
+sinhl
+sinl
+sqrt
+sqrtf
+sqrtl
+__subtf3
+tan
+tanf
+tanh
+tanhf
+tanhl
+tanl
+tgamma
+tgammaf
+tgammal
+trunc
+truncf
+truncl
+__trunctfdf2
+__trunctfsf2
+y0
+y0f
+y1
+y1f
+yn
+ynf
diff --git a/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.variables.txt b/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.variables.txt
new file mode 100644
index 000000000..762f13e3a
--- /dev/null
+++ b/ndk/platforms/android-20/arch-x86_64/symbols/libm.so.variables.txt
@@ -0,0 +1 @@
+signgam