Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnarl/a-interr.adb @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 ------------------------------------------------------------------------------ | |
| 2 -- -- | |
| 3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- | |
| 4 -- -- | |
| 5 -- A D A . I N T E R R U P T S -- | |
| 6 -- -- | |
| 7 -- B o d y -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1991-2017, Florida State University -- | |
| 10 -- Copyright (C) 1995-2017, AdaCore -- | |
| 11 -- -- | |
| 12 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 13 -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 14 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
| 15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
| 16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 17 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
| 18 -- -- | |
| 19 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 20 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 21 -- version 3.1, as published by the Free Software Foundation. -- | |
| 22 -- -- | |
| 23 -- You should have received a copy of the GNU General Public License and -- | |
| 24 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 25 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 26 -- <http://www.gnu.org/licenses/>. -- | |
| 27 -- -- | |
| 28 -- GNARL was developed by the GNARL team at Florida State University. -- | |
| 29 -- Extensive contributions were provided by Ada Core Technologies, Inc. -- | |
| 30 -- -- | |
| 31 ------------------------------------------------------------------------------ | |
| 32 | |
| 33 with Ada.Unchecked_Conversion; | |
| 34 | |
| 35 package body Ada.Interrupts is | |
| 36 | |
| 37 package SI renames System.Interrupts; | |
| 38 | |
| 39 function To_System is new Ada.Unchecked_Conversion | |
| 40 (Parameterless_Handler, SI.Parameterless_Handler); | |
| 41 | |
| 42 function To_Ada is new Ada.Unchecked_Conversion | |
| 43 (SI.Parameterless_Handler, Parameterless_Handler); | |
| 44 | |
| 45 -------------------- | |
| 46 -- Attach_Handler -- | |
| 47 -------------------- | |
| 48 | |
| 49 procedure Attach_Handler | |
| 50 (New_Handler : Parameterless_Handler; | |
| 51 Interrupt : Interrupt_ID) | |
| 52 is | |
| 53 begin | |
| 54 SI.Attach_Handler | |
| 55 (To_System (New_Handler), SI.Interrupt_ID (Interrupt), False); | |
| 56 end Attach_Handler; | |
| 57 | |
| 58 --------------------- | |
| 59 -- Current_Handler -- | |
| 60 --------------------- | |
| 61 | |
| 62 function Current_Handler | |
| 63 (Interrupt : Interrupt_ID) return Parameterless_Handler | |
| 64 is | |
| 65 begin | |
| 66 return To_Ada (SI.Current_Handler (SI.Interrupt_ID (Interrupt))); | |
| 67 end Current_Handler; | |
| 68 | |
| 69 -------------------- | |
| 70 -- Detach_Handler -- | |
| 71 -------------------- | |
| 72 | |
| 73 procedure Detach_Handler (Interrupt : Interrupt_ID) is | |
| 74 begin | |
| 75 SI.Detach_Handler (SI.Interrupt_ID (Interrupt), False); | |
| 76 end Detach_Handler; | |
| 77 | |
| 78 ---------------------- | |
| 79 -- Exchange_Handler -- | |
| 80 ---------------------- | |
| 81 | |
| 82 procedure Exchange_Handler | |
| 83 (Old_Handler : out Parameterless_Handler; | |
| 84 New_Handler : Parameterless_Handler; | |
| 85 Interrupt : Interrupt_ID) | |
| 86 is | |
| 87 H : SI.Parameterless_Handler; | |
| 88 | |
| 89 begin | |
| 90 SI.Exchange_Handler | |
| 91 (H, To_System (New_Handler), | |
| 92 SI.Interrupt_ID (Interrupt), False); | |
| 93 Old_Handler := To_Ada (H); | |
| 94 end Exchange_Handler; | |
| 95 | |
| 96 ------------- | |
| 97 -- Get_CPU -- | |
| 98 ------------- | |
| 99 | |
| 100 function Get_CPU | |
| 101 (Interrupt : Interrupt_ID) return System.Multiprocessors.CPU_Range | |
| 102 is | |
| 103 pragma Unreferenced (Interrupt); | |
| 104 | |
| 105 begin | |
| 106 -- The underlying operating system does not indicate the processor on | |
| 107 -- which the handler for Interrupt is executed. | |
| 108 | |
| 109 return System.Multiprocessors.Not_A_Specific_CPU; | |
| 110 end Get_CPU; | |
| 111 | |
| 112 ----------------- | |
| 113 -- Is_Attached -- | |
| 114 ----------------- | |
| 115 | |
| 116 function Is_Attached (Interrupt : Interrupt_ID) return Boolean is | |
| 117 begin | |
| 118 return SI.Is_Handler_Attached (SI.Interrupt_ID (Interrupt)); | |
| 119 end Is_Attached; | |
| 120 | |
| 121 ----------------- | |
| 122 -- Is_Reserved -- | |
| 123 ----------------- | |
| 124 | |
| 125 function Is_Reserved (Interrupt : Interrupt_ID) return Boolean is | |
| 126 begin | |
| 127 return SI.Is_Reserved (SI.Interrupt_ID (Interrupt)); | |
| 128 end Is_Reserved; | |
| 129 | |
| 130 --------------- | |
| 131 -- Reference -- | |
| 132 --------------- | |
| 133 | |
| 134 function Reference (Interrupt : Interrupt_ID) return System.Address is | |
| 135 begin | |
| 136 return SI.Reference (SI.Interrupt_ID (Interrupt)); | |
| 137 end Reference; | |
| 138 | |
| 139 end Ada.Interrupts; |