default rel section .rdata panic_msg db "panic occured!", 10 panic_msg_len equ $ - panic_msg extern eprint_str section .text global panic ;; Abort the program with a default panic message panic: lea rdi, [panic_msg] lea rsi, [panic_msg_len] call eprint_str ; exit with error code 1 mov rax, 60 ; syscall: exit mov rdi, 1 ; status: 1 syscall