+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- G N A T . D E B U G _ P O O L S --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
--- --
--- GNAT 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. 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. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; 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. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with System; use System;
-with System.Storage_Elements; use System.Storage_Elements;
-with System.Checked_Pools;
-
-package GNAT.Debug_Pools is
-
- -- The debug pool is used to track down memory corruption due to use of
- -- deallocated memory or incorrect unchecked conversions. Allocation
- -- strategy :
-
- -- - allocation: . memory is normally allocated with malloc
- -- . the allocated address is noted in a table
-
- -- - deallocation: . memory is filled with "DEAD_BEEF" patterns
- -- . memory is not freed
- -- . exceptions are raised if the memory was not
- -- allocated or was already deallocated
-
- -- - dereference: . exceptions are raised if the memory was not
- -- allocated or was already deallocated
-
- Accessing_Not_Allocated_Storage : exception;
- Accessing_Deallocated_Storage : exception;
- Freeing_Not_Allocated_Storage : exception;
- Freeing_Deallocated_Storage : exception;
-
- type Debug_Pool is
- new System.Checked_Pools.Checked_Pool with private;
-
- procedure Allocate
- (Pool : in out Debug_Pool;
- Storage_Address : out Address;
- Size_In_Storage_Elements : Storage_Count;
- Alignment : Storage_Count);
-
- procedure Deallocate
- (Pool : in out Debug_Pool;
- Storage_Address : Address;
- Size_In_Storage_Elements : Storage_Count;
- Alignment : Storage_Count);
-
- function Storage_Size
- (Pool : Debug_Pool)
- return System.Storage_Elements.Storage_Count;
-
- procedure Dereference
- (Pool : in out Debug_Pool;
- Storage_Address : System.Address;
- Size_In_Storage_Elements : Storage_Count;
- Alignment : Storage_Count);
-
- generic
- with procedure Put_Line (S : String);
- procedure Print_Info (Pool : Debug_Pool);
- -- Print out information about the High Water Mark, the current and
- -- total number of bytes allocated and the total number of bytes
- -- deallocated.
-
-private
- type Debug_Pool is new System.Checked_Pools.Checked_Pool with record
- Allocated : Storage_Count := 0;
- -- Total number of bytes allocated in this pool
-
- Deallocated : Storage_Count := 0;
- -- Total number of bytes deallocated in this pool
-
- High_Water : Storage_Count := 0;
- -- Maximum of during the time of Allocated - Deallocated
- end record;
-end GNAT.Debug_Pools;
projects / msp430-gcc.git / blobdiff