projects / thirdparty / gcc.git / blame
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|---|---|---|
| cacbc350 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT COMPILER COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- S Y S T E M . M A C H I N E _ C O D E -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| fbf5a39b | 9 | -- Copyright (C) 1992-2003 Free Software Foundation, Inc. -- |
| cacbc350 RK |
10 | -- -- |
| 11 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 13 | -- ware Foundation; either version 2, or (at your option) any later ver- -- | |
| 14 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 15 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 16 | -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- | |
| 17 | -- for more details. You should have received a copy of the GNU General -- | |
| 18 | -- Public License distributed with GNAT; see file COPYING. If not, write -- | |
| 19 | -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- | |
| 20 | -- MA 02111-1307, USA. -- | |
| 21 | -- -- | |
| 22 | -- As a special exception, if other files instantiate generics from this -- | |
| 23 | -- unit, or you link this unit with other files to produce an executable, -- | |
| 24 | -- this unit does not by itself cause the resulting executable to be -- | |
| 25 | -- covered by the GNU General Public License. This exception does not -- | |
| 26 | -- however invalidate any other reasons why the executable file might be -- | |
| 27 | -- covered by the GNU Public License. -- | |
| 28 | -- -- | |
| 29 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 71ff80dc | 30 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| cacbc350 RK |
31 | -- -- |
| 32 | ------------------------------------------------------------------------------ | |
| 33 | ||
| 34 | -- This package provides machine code support, both for instrinsic machine | |
| 35 | -- operations, and also for machine code statements. See GNAT documentation | |
| 36 | -- for full details. | |
| 37 | ||
| 38 | package System.Machine_Code is | |
| 39 | pragma Pure (Machine_Code); | |
| 40 | ||
| 41 | type Asm_Input_Operand is private; | |
| 42 | type Asm_Output_Operand is private; | |
| 43 | -- These types are never used directly, they are declared only so that | |
| 44 | -- the calls to Asm are type correct according to Ada semantic rules. | |
| 45 | ||
| 46 | No_Input_Operands : constant Asm_Input_Operand; | |
| 47 | No_Output_Operands : constant Asm_Output_Operand; | |
| 48 | ||
| 49 | type Asm_Input_Operand_List is | |
| 50 | array (Integer range <>) of Asm_Input_Operand; | |
| 51 | ||
| 52 | type Asm_Output_Operand_List is | |
| 53 | array (Integer range <>) of Asm_Output_Operand; | |
| 54 | ||
| 55 | type Asm_Insn is private; | |
| 56 | -- This type is not used directly. It is declared only so that the | |
| 57 | -- aggregates used in code statements are type correct by Ada rules. | |
| 58 | ||
| 59 | procedure Asm ( | |
| 60 | Template : String; | |
| 61 | Outputs : Asm_Output_Operand_List; | |
| 62 | Inputs : Asm_Input_Operand_List; | |
| 63 | Clobber : String := ""; | |
| 64 | Volatile : Boolean := False); | |
| 65 | ||
| 66 | procedure Asm ( | |
| 67 | Template : String; | |
| 68 | Outputs : Asm_Output_Operand := No_Output_Operands; | |
| 69 | Inputs : Asm_Input_Operand_List; | |
| 70 | Clobber : String := ""; | |
| 71 | Volatile : Boolean := False); | |
| 72 | ||
| 73 | procedure Asm ( | |
| 74 | Template : String; | |
| 75 | Outputs : Asm_Output_Operand_List; | |
| 76 | Inputs : Asm_Input_Operand := No_Input_Operands; | |
| 77 | Clobber : String := ""; | |
| 78 | Volatile : Boolean := False); | |
| 79 | ||
| 80 | procedure Asm ( | |
| 81 | Template : String; | |
| 82 | Outputs : Asm_Output_Operand := No_Output_Operands; | |
| 83 | Inputs : Asm_Input_Operand := No_Input_Operands; | |
| 84 | Clobber : String := ""; | |
| 85 | Volatile : Boolean := False); | |
| 86 | ||
| 87 | function Asm ( | |
| 88 | Template : String; | |
| 89 | Outputs : Asm_Output_Operand_List; | |
| 90 | Inputs : Asm_Input_Operand_List; | |
| 91 | Clobber : String := ""; | |
| 92 | Volatile : Boolean := False) | |
| 93 | return Asm_Insn; | |
| 94 | ||
| 95 | function Asm ( | |
| 96 | Template : String; | |
| 97 | Outputs : Asm_Output_Operand := No_Output_Operands; | |
| 98 | Inputs : Asm_Input_Operand_List; | |
| 99 | Clobber : String := ""; | |
| 100 | Volatile : Boolean := False) | |
| 101 | return Asm_Insn; | |
| 102 | ||
| 103 | function Asm ( | |
| 104 | Template : String; | |
| 105 | Outputs : Asm_Output_Operand_List; | |
| 106 | Inputs : Asm_Input_Operand := No_Input_Operands; | |
| 107 | Clobber : String := ""; | |
| 108 | Volatile : Boolean := False) | |
| 109 | return Asm_Insn; | |
| 110 | ||
| 111 | function Asm ( | |
| 112 | Template : String; | |
| 113 | Outputs : Asm_Output_Operand := No_Output_Operands; | |
| 114 | Inputs : Asm_Input_Operand := No_Input_Operands; | |
| 115 | Clobber : String := ""; | |
| 116 | Volatile : Boolean := False) | |
| 117 | return Asm_Insn; | |
| 118 | ||
| 119 | pragma Import (Intrinsic, Asm); | |
| 120 | ||
| 121 | private | |
| 122 | ||
| 123 | type Asm_Input_Operand is new Integer; | |
| 124 | type Asm_Output_Operand is new Integer; | |
| 125 | type Asm_Insn is new Integer; | |
| 126 | -- All three of these types are dummy types, to meet the requirements of | |
| 127 | -- type consistenty. No values of these types are ever referenced. | |
| 128 | ||
| 129 | No_Input_Operands : constant Asm_Input_Operand := 0; | |
| 130 | No_Output_Operands : constant Asm_Output_Operand := 0; | |
| 131 | ||
| 132 | end System.Machine_Code; |