projects / thirdparty / gcc.git / blame
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| cacbc350 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3084fecd | 3 | -- GNAT RUN-TIME COMPONENTS -- |
| cacbc350 RK |
4 | -- -- |
| 5 | -- S Y S T E M . P A C K _ 6 0 -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 9de61fcb | 9 | -- Copyright (C) 1992-2005, 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 -- | |
| cb5fee25 KC |
19 | -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- |
| 20 | -- Boston, MA 02110-1301, USA. -- | |
| cacbc350 RK |
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 | -- Handling of packed arrays with Component_Size = 60 | |
| 35 | ||
| 36 | package System.Pack_60 is | |
| 009186e0 | 37 | pragma Preelaborate; |
| cacbc350 RK |
38 | |
| 39 | Bits : constant := 60; | |
| 40 | ||
| 41 | type Bits_60 is mod 2 ** Bits; | |
| 42 | for Bits_60'Size use Bits; | |
| 43 | ||
| 44 | function Get_60 (Arr : System.Address; N : Natural) return Bits_60; | |
| 45 | -- Arr is the address of the packed array, N is the zero-based | |
| 46 | -- subscript. This element is extracted and returned. | |
| 47 | ||
| 48 | procedure Set_60 (Arr : System.Address; N : Natural; E : Bits_60); | |
| 49 | -- Arr is the address of the packed array, N is the zero-based | |
| 50 | -- subscript. This element is set to the given value. | |
| 51 | ||
| 52 | function GetU_60 (Arr : System.Address; N : Natural) return Bits_60; | |
| 53 | -- Arr is the address of the packed array, N is the zero-based | |
| 54 | -- subscript. This element is extracted and returned. This version | |
| 55 | -- is used when Arr may represent an unaligned address. | |
| 56 | ||
| 57 | procedure SetU_60 (Arr : System.Address; N : Natural; E : Bits_60); | |
| 58 | -- Arr is the address of the packed array, N is the zero-based | |
| 59 | -- subscript. This element is set to the given value. This version | |
| 60 | -- is used when Arr may represent an unaligned address | |
| 61 | ||
| 62 | end System.Pack_60; |