111
|
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 -- --
|
145
|
9 -- Copyright (C) 2006-2019, Free Software Foundation, Inc. --
|
111
|
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 ------------------------------------------------------------------------------
|
|
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;
|