projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| cacbc350 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| fbf5a39b | 3 | -- GNAT COMPILER COMPONENTS -- |
| cacbc350 | 4 | -- -- |
| fbf5a39b | 5 | -- S Y S T E M . P A R A M E T E R S -- |
| cacbc350 | 6 | -- -- |
| fbf5a39b | 7 | -- B o d y -- |
| cacbc350 | 8 | -- -- |
| 4b490c1e | 9 | -- Copyright (C) 1995-2020, 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- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| cacbc350 RK |
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 -- | |
| 748086b7 JJ |
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/>. -- | |
| cacbc350 RK |
26 | -- -- |
| 27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 71ff80dc | 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| cacbc350 RK |
29 | -- -- |
| 30 | ------------------------------------------------------------------------------ | |
| 31 | ||
| 07aff4e3 | 32 | -- Version used on all VxWorks targets |
| cacbc350 | 33 | |
| fbf5a39b | 34 | package body System.Parameters is |
| cacbc350 | 35 | |
| fbf5a39b AC |
36 | ------------------------- |
| 37 | -- Adjust_Storage_Size -- | |
| 38 | ------------------------- | |
| cacbc350 | 39 | |
| fbf5a39b AC |
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; | |
| fbf5a39b AC |
44 | elsif Size < Minimum_Stack_Size then |
| 45 | return Minimum_Stack_Size; | |
| fbf5a39b AC |
46 | else |
| 47 | return Size; | |
| 48 | end if; | |
| 49 | end Adjust_Storage_Size; | |
| cacbc350 | 50 | |
| fbf5a39b AC |
51 | ------------------------ |
| 52 | -- Default_Stack_Size -- | |
| 53 | ------------------------ | |
| cacbc350 | 54 | |
| fbf5a39b | 55 | function Default_Stack_Size return Size_Type is |
| 738819cd AC |
56 | Default_Stack_Size : Integer; |
| 57 | pragma Import (C, Default_Stack_Size, "__gl_default_stack_size"); | |
| fbf5a39b | 58 | begin |
| 738819cd | 59 | if Default_Stack_Size = -1 then |
| 7d4c4fde | 60 | if Stack_Check_Limits then |
| 86e066aa | 61 | return 32 * 1024; |
| 7d4c4fde AC |
62 | -- Extra stack to allow for 12K exception area. |
| 63 | else | |
| 64 | return 20 * 1024; | |
| 65 | end if; | |
| 738819cd AC |
66 | else |
| 67 | return Size_Type (Default_Stack_Size); | |
| 68 | end if; | |
| fbf5a39b | 69 | end Default_Stack_Size; |
| cacbc350 | 70 | |
| fbf5a39b AC |
71 | ------------------------ |
| 72 | -- Minimum_Stack_Size -- | |
| 73 | ------------------------ | |
| 74 | ||
| 75 | function Minimum_Stack_Size return Size_Type is | |
| 76 | begin | |
| 738819cd | 77 | return 8 * 1024; |
| fbf5a39b AC |
78 | end Minimum_Stack_Size; |
| 79 | ||
| 80 | end System.Parameters; |