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Diffstat (limited to 'gcc/ada/s-stchop.ads')
| -rw-r--r-- | gcc/ada/s-stchop.ads | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/gcc/ada/s-stchop.ads b/gcc/ada/s-stchop.ads deleted file mode 100644 index 10217204d6f..00000000000 --- a/gcc/ada/s-stchop.ads +++ /dev/null @@ -1,74 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- 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 -- --- -- --- S p e c -- --- -- --- Copyright (C) 1999-2004 Free Software Foundation, Inc. -- --- -- --- 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. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package provides a implementation of stack checking operations --- using comparison with stack base and limit. - -pragma Restrictions (No_Elaboration_Code); --- We want to guarantee the absence of elaboration code because the --- binder does not handle references to this package. - -with System.Storage_Elements; - -pragma Polling (Off); --- Turn off polling, we do not want polling to take place during stack --- checking operations. It causes infinite loops and other problems. - -package System.Stack_Checking.Operations is - procedure Set_Stack_Size - (Stack_Size : System.Storage_Elements.Storage_Offset); - -- Specify the stack size for the current task. - - procedure Update_Stack_Cache (Stack : Stack_Access); - -- Set the stack cache for the current task. Note that this is only - -- for optimization purposes, nothing can be assumed about the - -- contents of the cache at any time, see Set_Stack_Info. - - procedure Invalidate_Stack_Cache (Any_Stack : Stack_Access); - -- Invalidate cache entries for the task T that owns Any_Stack. - -- This causes the Set_Stack_Info function to be called during - -- the next stack check done by T. This can be used to interrupt - -- task T asynchronously. - -- Stack_Check should be called in loops for this to work reliably. - - function Stack_Check (Stack_Address : System.Address) return Stack_Access; - -- This version of Stack_Check should not be inlined. - -private - - Cache : aliased Stack_Access := Null_Stack; - - pragma Export (C, Cache, "_gnat_stack_cache"); - pragma Export (C, Stack_Check, "_gnat_stack_check"); - -end System.Stack_Checking.Operations; |