1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--  G N A T . T R A C E B A C K . S Y M B O L I C . M O D U L E _ N A M E   --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--                     Copyright (C) 2012-2018, AdaCore                     --
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 is the Windows specific version of this package
33
34with System.Win32; use System.Win32;
35
36separate (System.Traceback.Symbolic)
37
38package body Module_Name is
39
40   ---------------------------------
41   -- Build_Cache_For_All_Modules --
42   ---------------------------------
43
44   procedure Build_Cache_For_All_Modules is
45   begin
46      null;
47   end Build_Cache_For_All_Modules;
48
49   ---------
50   -- Get --
51   ---------
52
53   function Get (Addr : System.Address;
54                 Load_Addr : access System.Address)
55     return String
56   is
57      Res     : DWORD;
58      hModule : aliased HANDLE;
59      Path    : String (1 .. 1_024);
60
61   begin
62      Load_Addr.all := System.Null_Address;
63
64      if GetModuleHandleEx
65           (GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
66            Addr,
67            hModule'Access) = Win32.TRUE
68      then
69         Res := GetModuleFileName (hModule, Path'Address, Path'Length);
70
71         if FreeLibrary (hModule) = Win32.FALSE then
72            null;
73         end if;
74
75         if Res > 0 then
76            return Path (1 .. Positive (Res));
77         end if;
78      end if;
79
80      return "";
81
82   exception
83      when others =>
84         return "";
85   end Get;
86
87   ------------------
88   -- Is_Supported --
89   ------------------
90
91   function Is_Supported return Boolean is
92   begin
93      return True;
94   end Is_Supported;
95
96end Module_Name;
97