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-------------------------------------------------------------------------------
--- --
--- GNAT RUN-TIME COMPONENTS --
--- --
--- S Y S T E M . T R A C E B A C K _ E N T R I E S --
--- --
--- S p e c --
--- --
--- Copyright (C) 2003-2009, Free Software Foundation, Inc. --
--- --
--- This specification is derived from the Ada Reference Manual for use with --
--- GNAT. The copyright notice above, and the license provisions that follow --
--- apply solely to the contents of the part following the private keyword. --
--- --
--- 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 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/>. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This package offers an abstraction of what is stored in traceback arrays
--- for call-chain computation purposes. By default, as defined in this
--- version of the package, an entry is a mere code location representing the
--- address of a call instruction part of the call-chain.
-
-pragma Warnings (Off);
-pragma Compiler_Unit;
-pragma Warnings (On);
-
-package System.Traceback_Entries is
- pragma Preelaborate;
-
- subtype Traceback_Entry is System.Address;
- -- This subtype defines what each traceback array entry contains
-
- Null_TB_Entry : constant Traceback_Entry := System.Null_Address;
- -- This is the value to be used when initializing an entry
-
- function PC_For (TB_Entry : Traceback_Entry) return System.Address;
- pragma Inline (PC_For);
- -- Returns the address of the call instruction associated with the
- -- provided entry.
-
- function TB_Entry_For (PC : System.Address) return Traceback_Entry;
- pragma Inline (TB_Entry_For);
- -- Returns an entry representing a frame for a call instruction at PC
-
-end System.Traceback_Entries;