(**************************************************************************)
(*                                                                        *)
(*                                 OCaml                                  *)
(*                                                                        *)
(*         Fabrice Le Fessant, projet Gallium, INRIA Rocquencourt         *)
(*                                                                        *)
(*   Copyright 2014 Institut National de Recherche en Informatique et     *)
(*     en Automatique.                                                    *)
(*                                                                        *)
(*   All rights reserved.  This file is distributed under the terms of    *)
(*   the GNU Lesser General Public License version 2.1, with the          *)
(*   special exception on linking described in the file LICENSE.          *)
(*                                                                        *)
(**************************************************************************)

(** Helpers for Intel code generators *)

(* The DSL* modules expose functions to emit x86/x86_64 instructions
   using a syntax close to the official Intel syntax, except that
   source and destination operands are reversed as in the AT&T
   syntax:

     mov src dst
*)


open X86_ast

val sym: string -> arg
val nat: nativeint -> arg
val int: int -> arg
val const_32: int32 -> constant
val const_nat: nativeint -> constant
val const: int -> constant
val al: arg
val ah: arg
val cl: arg
val ax: arg
val rax: arg
val r10: arg
val r11: arg
val r13: arg
val r14: arg
val r15: arg
val rsp: arg
val rbp: arg
val xmm15: arg
val eax: arg
val ebx: arg
val ecx: arg
val edx: arg
val ebp: arg
val esp: arg
val st0: arg
val st1: arg

val mem32:
  data_type -> ?scale:int -> ?base:reg64 -> ?sym:string ->
  int -> reg64 -> arg

val mem64:
  data_type -> ?scale:int -> ?base:reg64 -> ?sym:string ->
  int -> reg64 -> arg

val mem64_rip: data_type -> ?ofs:int -> string -> arg


module D : sig
  (** Directives *)

  val align: int -> unit
  val byte: constant -> unit
  val bytes: string -> unit
  val cfi_adjust_cfa_offset: int -> unit
  val cfi_endproc: unit -> unit
  val cfi_startproc: unit -> unit
  val comment: string -> unit
  val data: unit -> unit
  val extrn: string -> data_type -> unit
  val file: file_num:int -> file_name:string -> unit
  val global: string -> unit
  val indirect_symbol: string -> unit
  val label: ?typ:data_type -> string -> unit
  val loc: file_num:int -> line:int -> col:int -> unit
  val long: constant -> unit
  val mode386: unit -> unit
  val model: string -> unit
  val private_extern: string -> unit
  val qword: constant -> unit
  val section: string list -> string option -> string list -> unit
  val setvar: string * constant -> unit
  val size: string -> constant -> unit
  val space: int -> unit
  val text: unit -> unit
  val type_: string -> string -> unit
  val word: constant -> unit
end

module I : sig
  (* Instructions *)

  val add: arg -> arg -> unit
  val addsd: arg -> arg -> unit
  val and_: arg -> arg -> unit
  val andpd: arg -> arg -> unit
  val bswap: arg -> unit
  val call: arg -> unit
  val cdq: unit -> unit
  val cmp: arg -> arg -> unit
  val comisd: arg -> arg -> unit
  val cqo: unit -> unit
  val cvtsd2ss: arg -> arg -> unit
  val cvtsi2sd: arg -> arg -> unit
  val cvtss2sd: arg -> arg -> unit
  val cvttsd2si: arg -> arg -> unit
  val dec: arg -> unit
  val divsd: arg -> arg -> unit
  val fabs: unit -> unit
  val fadd: arg -> unit
  val faddp: arg -> arg -> unit
  val fchs: unit -> unit
  val fcomp: arg -> unit
  val fcompp: unit -> unit
  val fcos: unit -> unit
  val fdiv: arg -> unit
  val fdivp: arg -> arg -> unit
  val fdivr: arg -> unit
  val fdivrp: arg -> arg -> unit
  val fild: arg -> unit
  val fistp: arg -> unit
  val fld1: unit -> unit
  val fld: arg -> unit
  val fldcw: arg -> unit
  val fldlg2: unit -> unit
  val fldln2: unit -> unit
  val fldz: unit -> unit
  val fmul: arg -> unit
  val fmulp: arg -> arg -> unit
  val fnstcw: arg -> unit
  val fnstsw: arg -> unit
  val fpatan: unit -> unit
  val fptan: unit -> unit
  val fsin: unit -> unit
  val fsqrt: unit -> unit
  val fstp: arg -> unit
  val fsub: arg -> unit
  val fsubp: arg -> arg -> unit
  val fsubr: arg -> unit
  val fsubrp: arg -> arg -> unit
  val fxch: arg -> unit
  val fyl2x: unit -> unit
  val hlt: unit -> unit
  val idiv: arg -> unit
  val imul: arg -> arg option -> unit
  val inc: arg -> unit
  val j: condition -> arg -> unit
  val ja: arg -> unit
  val jae: arg -> unit
  val jb: arg -> unit
  val jbe: arg -> unit
  val je: arg -> unit
  val jg: arg -> unit
  val jmp: arg -> unit
  val jne: arg -> unit
  val jp: arg -> unit
  val lea: arg -> arg -> unit
  val mov: arg -> arg -> unit
  val movapd: arg -> arg -> unit
  val movsd: arg -> arg -> unit
  val movss: arg -> arg -> unit
  val movsx: arg -> arg -> unit
  val movsxd: arg -> arg -> unit
  val movzx: arg -> arg -> unit
  val mulsd: arg -> arg -> unit
  val nop: unit -> unit
  val or_: arg -> arg -> unit
  val pop: arg -> unit
  val push: arg -> unit
  val ret: unit -> unit
  val sal: arg -> arg -> unit
  val sar: arg -> arg -> unit
  val set: condition -> arg -> unit
  val shr: arg -> arg -> unit
  val sqrtsd: arg -> arg -> unit
  val sub: arg -> arg -> unit
  val subsd: arg -> arg -> unit
  val test: arg -> arg -> unit
  val ucomisd: arg -> arg -> unit
  val xchg: arg -> arg -> unit
  val xor: arg -> arg -> unit
  val xorpd: arg -> arg -> unit
end