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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S Y S T E M . M A C H I N E _ C O D E --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package provides machine code support, both for intrinsic machine
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-- operations, and also for machine code statements. See GNAT documentation
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-- for full details.
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package System.Machine_Code is
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pragma Pure;
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type Asm_Input_Operand is private;
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type Asm_Output_Operand is private;
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-- These types are never used directly, they are declared only so that
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-- the calls to Asm are type correct according to Ada semantic rules.
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No_Input_Operands : constant Asm_Input_Operand;
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No_Output_Operands : constant Asm_Output_Operand;
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type Asm_Input_Operand_List is
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array (Integer range <>) of Asm_Input_Operand;
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type Asm_Output_Operand_List is
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array (Integer range <>) of Asm_Output_Operand;
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type Asm_Insn is private;
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-- This type is not used directly. It is declared only so that the
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-- aggregates used in code statements are type correct by Ada rules.
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procedure Asm (
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Template : String;
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Outputs : Asm_Output_Operand_List;
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Inputs : Asm_Input_Operand_List;
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Clobber : String := "";
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Volatile : Boolean := False);
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procedure Asm (
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Template : String;
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Outputs : Asm_Output_Operand := No_Output_Operands;
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Inputs : Asm_Input_Operand_List;
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Clobber : String := "";
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Volatile : Boolean := False);
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procedure Asm (
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Template : String;
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Outputs : Asm_Output_Operand_List;
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Inputs : Asm_Input_Operand := No_Input_Operands;
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Clobber : String := "";
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Volatile : Boolean := False);
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procedure Asm (
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Template : String;
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Outputs : Asm_Output_Operand := No_Output_Operands;
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Inputs : Asm_Input_Operand := No_Input_Operands;
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Clobber : String := "";
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Volatile : Boolean := False);
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function Asm (
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Template : String;
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Outputs : Asm_Output_Operand_List;
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Inputs : Asm_Input_Operand_List;
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Clobber : String := "";
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Volatile : Boolean := False) return Asm_Insn;
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function Asm (
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Template : String;
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Outputs : Asm_Output_Operand := No_Output_Operands;
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Inputs : Asm_Input_Operand_List;
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Clobber : String := "";
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Volatile : Boolean := False) return Asm_Insn;
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function Asm (
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Template : String;
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Outputs : Asm_Output_Operand_List;
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Inputs : Asm_Input_Operand := No_Input_Operands;
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Clobber : String := "";
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Volatile : Boolean := False) return Asm_Insn;
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function Asm (
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Template : String;
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Outputs : Asm_Output_Operand := No_Output_Operands;
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Inputs : Asm_Input_Operand := No_Input_Operands;
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Clobber : String := "";
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Volatile : Boolean := False) return Asm_Insn;
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pragma Import (Intrinsic, Asm);
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private
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type Asm_Input_Operand is new Integer;
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type Asm_Output_Operand is new Integer;
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type Asm_Insn is new Integer;
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-- All three of these types are dummy types, to meet the requirements of
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-- type consistency. No values of these types are ever referenced.
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No_Input_Operands : constant Asm_Input_Operand := 0;
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No_Output_Operands : constant Asm_Output_Operand := 0;
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end System.Machine_Code;
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