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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- S Y S T E M . E X C E P T I O N S _ D E B U G --
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6 -- --
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7 -- S p e c --
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8 -- --
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145
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9 -- Copyright (C) 2006-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package contains internal routines used as debugger helpers.
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33 -- It should be compiled without optimization to let debuggers inspect
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34 -- parameter values reliably from breakpoints on the routines.
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35
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36 pragma Compiler_Unit_Warning;
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37
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38 with System.Standard_Library;
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39
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40 package System.Exceptions_Debug is
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41
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42 pragma Preelaborate;
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43 -- To let Ada.Exceptions "with" us and let us "with" Standard_Library
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44
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45 package SSL renames System.Standard_Library;
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46 -- To let some of the hooks below have formal parameters typed in
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47 -- accordance with what GDB expects.
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48
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49 procedure Debug_Raise_Exception
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50 (E : SSL.Exception_Data_Ptr; Message : String);
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51 pragma Export
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52 (Ada, Debug_Raise_Exception, "__gnat_debug_raise_exception");
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53 -- Hook called at a "raise" point for an exception E, when it is
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54 -- just about to be propagated.
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55
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56 procedure Debug_Unhandled_Exception (E : SSL.Exception_Data_Ptr);
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57 pragma Export
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58 (Ada, Debug_Unhandled_Exception, "__gnat_unhandled_exception");
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59 -- Hook called during the propagation process of an exception E, as soon
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60 -- as it is known to be unhandled.
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61
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62 procedure Debug_Raise_Assert_Failure;
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63 pragma Export
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64 (Ada, Debug_Raise_Assert_Failure, "__gnat_debug_raise_assert_failure");
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65 -- Hook called when an assertion failed. This is used by the debugger to
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66 -- intercept assertion failures, and treat them specially.
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67
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68 procedure Local_Raise (Excep : System.Address);
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69 pragma Export (Ada, Local_Raise);
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70 -- This is a dummy routine, used only by the debugger for the purpose of
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71 -- logging local raise statements that were transformed into a direct goto
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72 -- to the handler code. The compiler in this case generates:
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73 --
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74 -- Local_Raise (exception_data'address);
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75 -- goto Handler
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76 --
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77 -- The argument is the address of the exception data
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78 end System.Exceptions_Debug;
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