Help needed - to add custom instruction to binutils-gdb

[Vijay Kumar Salian]

Hello,

Greetings.

I need some help from you.

I tried adding a new instruction to binutils-gdb. I was able to add the
instruction to assembler and could even assemble the assembly code with new
instructions. But then I tried to disassemble the ELF file to see the
instruction, which displayed some other name for the instruction mnemonic.
Can you please let me know where I can get the details on adding the new
instructions for risc-v?

Thanks & ,
Vijay