+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- A D A . I N T E R R U P T S --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1991-2001 Florida State University --
--- --
--- GNARL 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 2, or (at your option) any later ver- --
--- sion. GNARL 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 --
--- Public License distributed with GNARL; 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 --
--- 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. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. It is --
--- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
--- State University (http://www.gnat.com). --
--- --
-------------------------------------------------------------------------------
-
-with System.Interrupts;
--- used for Interrupt_ID
--- Parameterless_Handler
--- Is_Reserved
--- Is_Handler_Attached
--- Current_Handler
--- Attach_Handler
--- Exchange_Handler
--- Detach_Handler
--- Reference
-
-with Unchecked_Conversion;
-
-package body Ada.Interrupts is
-
- package SI renames System.Interrupts;
-
- function To_System is new Unchecked_Conversion
- (Parameterless_Handler, SI.Parameterless_Handler);
-
- function To_Ada is new Unchecked_Conversion
- (SI.Parameterless_Handler, Parameterless_Handler);
-
- --------------------
- -- Attach_Handler --
- --------------------
-
- procedure Attach_Handler
- (New_Handler : Parameterless_Handler;
- Interrupt : Interrupt_ID)
- is
- begin
- SI.Attach_Handler
- (To_System (New_Handler), SI.Interrupt_ID (Interrupt), False);
- end Attach_Handler;
-
- ---------------------
- -- Current_Handler --
- ---------------------
-
- function Current_Handler
- (Interrupt : Interrupt_ID)
- return Parameterless_Handler
- is
- begin
- return To_Ada (SI.Current_Handler (SI.Interrupt_ID (Interrupt)));
- end Current_Handler;
-
- --------------------
- -- Detach_Handler --
- --------------------
-
- procedure Detach_Handler (Interrupt : in Interrupt_ID) is
- begin
- SI.Detach_Handler (SI.Interrupt_ID (Interrupt), False);
- end Detach_Handler;
-
- ----------------------
- -- Exchange_Handler --
- ----------------------
-
- procedure Exchange_Handler
- (Old_Handler : out Parameterless_Handler;
- New_Handler : Parameterless_Handler;
- Interrupt : Interrupt_ID)
- is
- H : SI.Parameterless_Handler;
-
- begin
- SI.Exchange_Handler
- (H, To_System (New_Handler),
- SI.Interrupt_ID (Interrupt), False);
- Old_Handler := To_Ada (H);
- end Exchange_Handler;
-
- -----------------
- -- Is_Attached --
- -----------------
-
- function Is_Attached (Interrupt : Interrupt_ID) return Boolean is
- begin
- return SI.Is_Handler_Attached (SI.Interrupt_ID (Interrupt));
- end Is_Attached;
-
- -----------------
- -- Is_Reserved --
- -----------------
-
- function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is
- begin
- return SI.Is_Reserved (SI.Interrupt_ID (Interrupt));
- end Is_Reserved;
-
- ---------------
- -- Reference --
- ---------------
-
- function Reference (Interrupt : Interrupt_ID) return System.Address is
- begin
- return SI.Reference (SI.Interrupt_ID (Interrupt));
- end Reference;
-
-end Ada.Interrupts;
projects / msp430-gcc.git / blobdiff