File : s-excdeb.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- S Y S T E M . E X C E P T I O N S _ D E B U G --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 2006-2015, 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 -- --
19 -- --
20 -- --
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 ------------------------------------------------------------------------------
31
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.
35
36 pragma Compiler_Unit_Warning;
37
38 with System.Standard_Library;
39
40 package System.Exceptions_Debug is
41
42 pragma Preelaborate;
43 -- To let Ada.Exceptions "with" us and let us "with" Standard_Library
44
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.
48
49 procedure Debug_Raise_Exception
50 (E : SSL.Exception_Data_Ptr; Message : String);
51 pragma Export
52 (Ada, Debug_Raise_Exception, "__gnat_debug_raise_exception");
53 -- Hook called at a "raise" point for an exception E, when it is
54 -- just about to be propagated.
55
56 procedure Debug_Unhandled_Exception (E : SSL.Exception_Data_Ptr);
57 pragma Export
58 (Ada, Debug_Unhandled_Exception, "__gnat_unhandled_exception");
59 -- Hook called during the propagation process of an exception E, as soon
60 -- as it is known to be unhandled.
61
62 procedure Debug_Raise_Assert_Failure;
63 pragma Export
64 (Ada, Debug_Raise_Assert_Failure, "__gnat_debug_raise_assert_failure");
65 -- Hook called when an assertion failed. This is used by the debugger to
66 -- intercept assertion failures, and treat them specially.
67
68 procedure Local_Raise (Excep : System.Address);
69 pragma Export (Ada, Local_Raise);
70 -- This is a dummy routine, used only by the debugger for the purpose of
71 -- logging local raise statements that were transformed into a direct goto
72 -- to the handler code. The compiler in this case generates:
73 --
74 -- Local_Raise (exception_data'address);
75 -- goto Handler
76 --
77 -- The argument is the address of the exception data
78 end System.Exceptions_Debug;