@@ -1,18 +1,15 @@
-;; abi definition file
-;; macros:
-;; * sys: syscall64 wrapper
-;; * ccall: automatically generate code to call a C function
-;;          with any number of arguments
+;; abi definition file for x86 linux 64-bit
+; vim: ft=nasm
+
+; syscall64 numbers - syscall table must be created first!
+%include "calls.x86.lin.64.s"
 
 ; syscall ops
 %define sys.call syscall
-; syscall numbers
-%define sys.write 1
-%define sys.brk 12
-%define sys.exit 60
 
 ; register order for syscall convention
+%define sys.reg.n 7
 %define sys.reg.0 rax
 %define sys.reg.1 rdi
 %define sys.reg.2 rsi
 %define sys.reg.3 rdx
@@ -29,8 +26,9 @@
 %define ccall.reg.4 r8
 %define ccall.reg.5 r9
 
 %macro sys 1-8
+; syscall64 wrapper, ex. `sys sys.write, 1, msg, msg.len`
 	%assign i 0
 	%rep %0
 		mov sys.reg. %+ i, %1 ; i'm actually shocked this worked
 		%rotate 1