objdump

objdump --help
Usage: /toolchain path/bin/arm-xx-objdump <option(s)> <file(s)>
Display information from object <file(s)>.
At least one of the following switches must be given:
...
-d, --disassemble Display assembler contents of executable sections
-D, --disassemble-all Display assembler contents of all sections
...

reference:
https://sourceware.org/binutils/docs/binutils/objdump.html
https://blog.csdn.net/wwchao2012/article/details/79980514