How to get symbol of a NAS system

[mu0gua]

golang env:

GOVERSION='go1.21.1'
GO111MODULE='on'
GOARCH='amd64'
GOOS='linux'

readelf for nas -> ash:

ELF Header:
  Magic:   7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00 
  Class:                             ELF64
  Data:                              2's complement, little endian
  Version:                           1 (current)
  OS/ABI:                            UNIX - System V
  ABI Version:                       0
  Type:                              EXEC (Executable file)
  Machine:                           Advanced Micro Devices X86-64
  Version:                           0x1
  Entry point address:               0x41fef4
  Start of program headers:          64 (bytes into file)
  Start of section headers:          1023192 (bytes into file)
  Flags:                             0x0
  Size of this header:               64 (bytes)
  Size of program headers:           56 (bytes)
  Number of program headers:         9
  Size of section headers:           64 (bytes)
  Number of section headers:         26
  Section header string table index: 25

run

root@nas:/volume1/share# ./dwarf2json 
./dwarf2json: /lib/libc.so.6: version `GLIBC_2.34' not found (required by ./dwarf2json)
./dwarf2json: /lib/libc.so.6: version `GLIBC_2.32' not found (required by ./dwarf2json)

system

root@nas:/volume1/share# cat /proc/version 
Linux version 4.4.59+ (root@build11) (gcc version 4.9.3 20150311 (prerelease) (crosstool-NG 1.20.0) ) #24922 SMP PREEMPT Fri May 10 02:59:42 CST 2019
root@nas:/volume1/share# uname -a
Linux nas 4.4.59+ #24922 SMP PREEMPT Fri May 10 02:59:42 CST 2019 x86_64 GNU/Linux synology_apollolake_918+

I want to get the symbols of the nas system to analyze the memory data dumped in the nas. I tried the above operations, but I am stuck at this step. I don’t know what I should do next.