Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-stchop__limit.ads @ 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 -- S Y S T E M . S T A C K _ C H E C K I N G . O P E R A T I O N S -- | |
| 6 -- -- | |
| 7 -- S p e c -- | |
| 8 -- -- | |
| 9 -- Copyright (C) 1999-2017, Free Software Foundation, Inc. -- | |
| 10 -- -- | |
| 11 -- GNARL 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 -- GNARL was developed by the GNARL team at Florida State University. -- | |
| 28 -- Extensive contributions were provided by Ada Core Technologies, Inc. -- | |
| 29 -- -- | |
| 30 ------------------------------------------------------------------------------ | |
| 31 | |
| 32 -- This version of this package is for implementations which use | |
| 33 -- the stack limit approach (the limit of the stack is stored into a per | |
| 34 -- thread variable). | |
| 35 | |
| 36 pragma Restrictions (No_Elaboration_Code); | |
| 37 -- We want to guarantee the absence of elaboration code because the binder | |
| 38 -- does not handle references to this package. | |
| 39 | |
| 40 pragma Polling (Off); | |
| 41 -- Turn off polling, we do not want polling to take place during stack | |
| 42 -- checking operations. It causes infinite loops and other problems. | |
| 43 | |
| 44 package System.Stack_Checking.Operations is | |
| 45 pragma Preelaborate; | |
| 46 | |
| 47 procedure Initialize_Stack_Limit; | |
| 48 pragma Export (C, Initialize_Stack_Limit, | |
| 49 "__gnat_initialize_stack_limit"); | |
| 50 -- This procedure is called before elaboration to setup the stack limit | |
| 51 -- for the environment task and to register the hook to be called at | |
| 52 -- task creation. | |
| 53 end System.Stack_Checking.Operations; |