fixing pr42337
[official-gcc.git] / gcc / ada / s-except.ads
blob10232978260ece0decd429f461876a49902fbbba
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- S Y S T E M . E X C E P T I O N S --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2006-2009, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
32 -- This package contains internal routines used as debugger helpers.
33 -- It should be compiled without optimization to let debuggers inspect
34 -- parameter values reliably from breakpoints on the routines.
36 pragma Compiler_Unit;
38 with System.Standard_Library;
40 package System.Exceptions is
42 pragma Preelaborate_05;
43 -- To let Ada.Exceptions "with" us and let us "with" Standard_Library
45 package SSL renames System.Standard_Library;
46 -- To let some of the hooks below have formal parameters typed in
47 -- accordance with what GDB expects.
49 procedure Debug_Raise_Exception (E : SSL.Exception_Data_Ptr);
50 pragma Export
51 (Ada, Debug_Raise_Exception, "__gnat_debug_raise_exception");
52 -- Hook called at a "raise" point for an exception E, when it is
53 -- just about to be propagated.
55 procedure Debug_Unhandled_Exception (E : SSL.Exception_Data_Ptr);
56 pragma Export
57 (Ada, Debug_Unhandled_Exception, "__gnat_unhandled_exception");
58 -- Hook called during the propagation process of an exception E, as soon
59 -- as it is known to be unhandled.
61 procedure Debug_Raise_Assert_Failure;
62 pragma Export
63 (Ada, Debug_Raise_Assert_Failure, "__gnat_debug_raise_assert_failure");
64 -- Hook called when an assertion failed. This is used by the debugger to
65 -- intercept assertion failures, and treat them specially.
67 procedure Local_Raise (Excep : System.Address);
68 pragma Export (Ada, Local_Raise);
69 -- This is a dummy routine, used only by the debugger for the purpose of
70 -- logging local raise statements that were transformed into a direct goto
71 -- to the handler code. The compiler in this case generates:
73 -- Local_Raise (exception_data'address);
74 -- goto Handler
76 -- The argument is the address of the exception data
78 end System.Exceptions;