.global syscall5 .global syscall6 syscall5: syscall6: # SysV calling convention: RDI, RSI, RDX, RCX, R8, R9, 8(%rsp) # Linux syscall calling convention: RAX, RDI, RSI, RDX, R10, R8, R9 mov %rdi, %rax mov %rsi, %rdi mov %rdx, %rsi mov %rcx, %rdx mov %r8, %r10 mov %r9, %r8 mov 8(%rsp), %r9 syscall ret