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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- S Y S T E M . M A C H I N E _ C O D E --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2011, 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- --
+-- ware Foundation; either version 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This package provides machine code support, both for intrinsic machine
+-- operations, and also for machine code statements. See GNAT documentation
+-- for full details.
+
+package System.Machine_Code is
+ pragma Pure;
+
+ -- All identifiers in this unit are implementation defined
+
+ pragma Implementation_Defined;
+
+ type Asm_Input_Operand is private;
+ type Asm_Output_Operand is private;
+ -- 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;
+
+ type Asm_Input_Operand_List is
+ array (Integer range <>) of Asm_Input_Operand;
+
+ type Asm_Output_Operand_List is
+ 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.
+
+ procedure Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand_List;
+ Inputs : Asm_Input_Operand_List;
+ Clobber : String := "";
+ Volatile : Boolean := False);
+
+ procedure Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand := No_Output_Operands;
+ Inputs : Asm_Input_Operand_List;
+ Clobber : String := "";
+ Volatile : Boolean := False);
+
+ procedure Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand_List;
+ Inputs : Asm_Input_Operand := No_Input_Operands;
+ Clobber : String := "";
+ Volatile : Boolean := False);
+
+ procedure Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand := No_Output_Operands;
+ Inputs : Asm_Input_Operand := No_Input_Operands;
+ Clobber : String := "";
+ Volatile : Boolean := False);
+
+ function Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand_List;
+ Inputs : Asm_Input_Operand_List;
+ Clobber : String := "";
+ Volatile : Boolean := False) return Asm_Insn;
+
+ function Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand := No_Output_Operands;
+ Inputs : Asm_Input_Operand_List;
+ Clobber : String := "";
+ Volatile : Boolean := False) return Asm_Insn;
+
+ function Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand_List;
+ Inputs : Asm_Input_Operand := No_Input_Operands;
+ Clobber : String := "";
+ Volatile : Boolean := False) return Asm_Insn;
+
+ function Asm (
+ Template : String;
+ Outputs : Asm_Output_Operand := No_Output_Operands;
+ Inputs : Asm_Input_Operand := No_Input_Operands;
+ Clobber : String := "";
+ Volatile : Boolean := False) return Asm_Insn;
+
+ pragma Import (Intrinsic, Asm);
+
+private
+
+ 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 consistency. No values of these types are ever referenced.
+
+ No_Input_Operands : constant Asm_Input_Operand := 0;
+ No_Output_Operands : constant Asm_Output_Operand := 0;
+
+end System.Machine_Code;