File : s-maccod.ads
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
5 -- S Y S T E M . M A C H I N E _ C O D E --
-- --
-- S p e c --
-- --
-- $Revision: 1.9 $
10 -- --
-- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
30 -- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
35
-- This package provides machine code support, both for instrinsic machine
-- operations, and also for machine code statements. See GNAT documentation
-- for full details.
40 package System.Machine_Code is
pragma Pure (Machine_Code);
type Asm_Input_Operand is private;
type Asm_Output_Operand is private;
45 -- These types are never used directly, they are declared only so that
-- the calls to Asm are type correct according to Ada semantic rules.
No_Input_Operands : constant Asm_Input_Operand;
No_Output_Operands : constant Asm_Output_Operand;
50
type Asm_Input_Operand_List is
array (Integer range <>) of Asm_Input_Operand;
type Asm_Output_Operand_List is
55 array (Integer range <>) of Asm_Output_Operand;
type Asm_Insn is private;
-- This type is not used directly. It is declared only so that the
-- aggregates used in code statements are type correct by Ada rules.
60
procedure Asm (
Template : String;
Outputs : Asm_Output_Operand_List;
Inputs : Asm_Input_Operand_List;
65 Clobber : String := "";
Volatile : Boolean := False);
procedure Asm (
Template : String;
70 Outputs : Asm_Output_Operand := No_Output_Operands;
Inputs : Asm_Input_Operand_List;
Clobber : String := "";
Volatile : Boolean := False);
75 procedure Asm (
Template : String;
Outputs : Asm_Output_Operand_List;
Inputs : Asm_Input_Operand := No_Input_Operands;
Clobber : String := "";
80 Volatile : Boolean := False);
procedure Asm (
Template : String;
Outputs : Asm_Output_Operand := No_Output_Operands;
85 Inputs : Asm_Input_Operand := No_Input_Operands;
Clobber : String := "";
Volatile : Boolean := False);
function Asm (
90 Template : String;
Outputs : Asm_Output_Operand_List;
Inputs : Asm_Input_Operand_List;
Clobber : String := "";
Volatile : Boolean := False)
95 return Asm_Insn;
function Asm (
Template : String;
Outputs : Asm_Output_Operand := No_Output_Operands;
100 Inputs : Asm_Input_Operand_List;
Clobber : String := "";
Volatile : Boolean := False)
return Asm_Insn;
105 function Asm (
Template : String;
Outputs : Asm_Output_Operand_List;
Inputs : Asm_Input_Operand := No_Input_Operands;
Clobber : String := "";
110 Volatile : Boolean := False)
return Asm_Insn;
function Asm (
Template : String;
115 Outputs : Asm_Output_Operand := No_Output_Operands;
Inputs : Asm_Input_Operand := No_Input_Operands;
Clobber : String := "";
Volatile : Boolean := False)
return Asm_Insn;
120
pragma Import (Intrinsic, Asm);
private
125 type Asm_Input_Operand is new Integer;
type Asm_Output_Operand is new Integer;
type Asm_Insn is new Integer;
-- All three of these types are dummy types, to meet the requirements of
-- type consistenty. No values of these types are ever referenced.
130
No_Input_Operands : constant Asm_Input_Operand := 0;
No_Output_Operands : constant Asm_Output_Operand := 0;
end System.Machine_Code;