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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- S Y S T E M . E X C E P T I O N S _ D E B U G --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 2006-2011, 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 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 contains internal routines used as debugger helpers.
+-- It should be compiled without optimization to let debuggers inspect
+-- parameter values reliably from breakpoints on the routines.
+
+pragma Compiler_Unit;
+
+with System.Standard_Library;
+
+package System.Exceptions_Debug is
+
+ pragma Preelaborate_05;
+ -- To let Ada.Exceptions "with" us and let us "with" Standard_Library
+
+ package SSL renames System.Standard_Library;
+ -- To let some of the hooks below have formal parameters typed in
+ -- accordance with what GDB expects.
+
+ procedure Debug_Raise_Exception (E : SSL.Exception_Data_Ptr);
+ pragma Export
+ (Ada, Debug_Raise_Exception, "__gnat_debug_raise_exception");
+ -- Hook called at a "raise" point for an exception E, when it is
+ -- just about to be propagated.
+
+ procedure Debug_Unhandled_Exception (E : SSL.Exception_Data_Ptr);
+ pragma Export
+ (Ada, Debug_Unhandled_Exception, "__gnat_unhandled_exception");
+ -- Hook called during the propagation process of an exception E, as soon
+ -- as it is known to be unhandled.
+
+ procedure Debug_Raise_Assert_Failure;
+ pragma Export
+ (Ada, Debug_Raise_Assert_Failure, "__gnat_debug_raise_assert_failure");
+ -- Hook called when an assertion failed. This is used by the debugger to
+ -- intercept assertion failures, and treat them specially.
+
+ procedure Local_Raise (Excep : System.Address);
+ pragma Export (Ada, Local_Raise);
+ -- This is a dummy routine, used only by the debugger for the purpose of
+ -- logging local raise statements that were transformed into a direct goto
+ -- to the handler code. The compiler in this case generates:
+ --
+ -- Local_Raise (exception_data'address);
+ -- goto Handler
+ --
+ -- The argument is the address of the exception data
+end System.Exceptions_Debug;