.intel_syntax noprefix .global write .global read .global fork .global execve .global real_waitid .global _exit write: mov rax, 1 syscall ret read: mov rax, 0 syscall ret execve: mov rax, 59 syscall ret fork: mov rax, 57 syscall ret real_waitid: mov rax, 247 mov r10, rcx syscall ret _exit: mov rax, 60 syscall