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Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-stache.ads')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/s-stache.ads | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-stache.ads b/gcc-4.4.0/gcc/ada/s-stache.ads deleted file mode 100644 index d2270e034..000000000 --- a/gcc-4.4.0/gcc/ada/s-stache.ads +++ /dev/null @@ -1,84 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . S T A C K _ C H E C K I N G -- --- -- --- S p e c -- --- -- --- Copyright (C) 1999-2009, 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 3, or (at your option) any later ver- -- --- sion. GNAT 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNARL was developed by the GNARL team at Florida State University. -- --- Extensive contributions were provided by Ada Core Technologies, Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package provides a system-independent implementation of stack --- checking using comparison with stack base and limit. - --- This package defines basic types and objects. Operations related to --- stack checking can be found in package System.Stack_Checking.Operations. - -pragma Warnings (Off); -pragma Compiler_Unit; -pragma Warnings (On); - -with System.Storage_Elements; - -package System.Stack_Checking is - pragma Preelaborate; - pragma Elaborate_Body; - -- This unit has a junk null body. The reason is that historically we - -- used to have a real body, and it causes bootstrapping path problems - -- to eliminate it, since the old body may still be present in the - -- compilation environment for a build. - - type Stack_Info is record - Limit : System.Address := System.Null_Address; - Base : System.Address := System.Null_Address; - Size : System.Storage_Elements.Storage_Offset := 0; - end record; - -- This record may be part of a larger data structure like the - -- task control block in the tasking case. - -- This specific layout has the advantage of being compatible with the - -- Intel x86 BOUNDS instruction. - - type Stack_Access is access all Stack_Info; - -- Unique local storage associated with a specific task. This storage is - -- used for the stack base and limit, and is returned by Checked_Self. - -- Only self may write this information, it may be read by any task. - -- At no time the address range Limit .. Base (or Base .. Limit for - -- upgrowing stack) may contain any address that is part of another stack. - -- The Stack_Access may be part of a larger data structure. - - Multi_Processor : constant Boolean := False; -- Not supported yet - -private - - Null_Stack_Info : aliased Stack_Info := - (Limit => System.Null_Address, - Base => System.Null_Address, - Size => 0); - -- Use explicit assignment to avoid elaboration code (call to init proc) - - Null_Stack : constant Stack_Access := Null_Stack_Info'Access; - -- Stack_Access value that will return a Stack_Base and Stack_Limit - -- that fail any stack check. - -end System.Stack_Checking; |