Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-parame__vxworks.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 COMPILER COMPONENTS -- | |
| 4 -- -- | |
| 5 -- S Y S T E M . P A R A M E T E R S -- | |
| 6 -- -- | |
| 7 -- B o d y -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1995-2017, Free Software Foundation, Inc. -- | |
| 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 3, 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. -- | |
| 17 -- -- | |
| 18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 -- -- | |
| 22 -- You should have received a copy of the GNU General Public License and -- | |
| 23 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 -- <http://www.gnu.org/licenses/>. -- | |
| 26 -- -- | |
| 27 -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 29 -- -- | |
| 30 ------------------------------------------------------------------------------ | |
| 31 | |
| 32 -- Version used on all VxWorks targets | |
| 33 | |
| 34 package body System.Parameters is | |
| 35 | |
| 36 ------------------------- | |
| 37 -- Adjust_Storage_Size -- | |
| 38 ------------------------- | |
| 39 | |
| 40 function Adjust_Storage_Size (Size : Size_Type) return Size_Type is | |
| 41 begin | |
| 42 if Size = Unspecified_Size then | |
| 43 return Default_Stack_Size; | |
| 44 elsif Size < Minimum_Stack_Size then | |
| 45 return Minimum_Stack_Size; | |
| 46 else | |
| 47 return Size; | |
| 48 end if; | |
| 49 end Adjust_Storage_Size; | |
| 50 | |
| 51 ---------------------------- | |
| 52 -- Default_Sec_Stack_Size -- | |
| 53 ---------------------------- | |
| 54 | |
| 55 function Default_Sec_Stack_Size return Size_Type is | |
| 56 Default_SS_Size : Integer; | |
| 57 pragma Import (C, Default_SS_Size, | |
| 58 "__gnat_default_ss_size"); | |
| 59 begin | |
| 60 return Size_Type (Default_SS_Size); | |
| 61 end Default_Sec_Stack_Size; | |
| 62 | |
| 63 ------------------------ | |
| 64 -- Default_Stack_Size -- | |
| 65 ------------------------ | |
| 66 | |
| 67 function Default_Stack_Size return Size_Type is | |
| 68 Default_Stack_Size : Integer; | |
| 69 pragma Import (C, Default_Stack_Size, "__gl_default_stack_size"); | |
| 70 begin | |
| 71 if Default_Stack_Size = -1 then | |
| 72 if Stack_Check_Limits then | |
| 73 return 32 * 1024; | |
| 74 -- Extra stack to allow for 12K exception area. | |
| 75 else | |
| 76 return 20 * 1024; | |
| 77 end if; | |
| 78 else | |
| 79 return Size_Type (Default_Stack_Size); | |
| 80 end if; | |
| 81 end Default_Stack_Size; | |
| 82 | |
| 83 ------------------------ | |
| 84 -- Minimum_Stack_Size -- | |
| 85 ------------------------ | |
| 86 | |
| 87 function Minimum_Stack_Size return Size_Type is | |
| 88 begin | |
| 89 return 8 * 1024; | |
| 90 end Minimum_Stack_Size; | |
| 91 | |
| 92 end System.Parameters; |