;; abi definition file for x86 linux 32-bit
; vim: ft=nasm
; syscall32 numbers - syscall table must be created first!
%include "system_calls.s"
; syscall32 registers
%define sys.reg.n 6
%define sys.reg.0 eax
%define sys.reg.1 ebx
%define sys.reg.2 ecx
%define sys.reg.3 edx
%define sys.reg.4 esi
%define sys.reg.5 edi
%macro sys 1-6
%assign i 0
%rep %0
mov sys.reg. %+ i, %1 ; i'm actually shocked this worked
%rotate 1
%assign i i+1
%endrep
syscall
%endmacro
%define sys.call int 0x80 ; sysenter is allegedly the
; politically correct option but it does not actually
; appear to work without a whole lot of extra bullshit
; todo: learn vdsos