[SECTION .text] ;; sys_call ;; Globally visible [GLOBAL sys_call] align 8 sys_call: ; BSB2 1 - Syscall stub push rbx push rbp push r11 push r12 push r13 push r14 push r15 int 0x80 pop r15 pop r14 pop r13 pop r12 pop r11 pop rbp pop rbx ret