1 // Copyright 2013 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 // * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #ifdef HAVE_CONFIG_H
30 #include <config.h> // Must come first
31 #endif
32
33 #include "common/windows/dia_util.h"
34
35 #include <atlbase.h>
36
37 namespace google_breakpad {
38
FindDebugStream(const wchar_t * name,IDiaSession * session,IDiaEnumDebugStreamData ** debug_stream)39 bool FindDebugStream(const wchar_t* name,
40 IDiaSession* session,
41 IDiaEnumDebugStreamData** debug_stream) {
42 CComPtr<IDiaEnumDebugStreams> enum_debug_streams;
43 if (FAILED(session->getEnumDebugStreams(&enum_debug_streams))) {
44 fprintf(stderr, "IDiaSession::getEnumDebugStreams failed\n");
45 return false;
46 }
47
48 CComPtr<IDiaEnumDebugStreamData> temp_debug_stream;
49 ULONG fetched = 0;
50 while (SUCCEEDED(enum_debug_streams->Next(1, &temp_debug_stream, &fetched)) &&
51 fetched == 1) {
52 CComBSTR stream_name;
53 if (FAILED(temp_debug_stream->get_name(&stream_name))) {
54 fprintf(stderr, "IDiaEnumDebugStreamData::get_name failed\n");
55 return false;
56 }
57
58 // Found the stream?
59 if (wcsncmp((LPWSTR)stream_name, name, stream_name.Length()) == 0) {
60 *debug_stream = temp_debug_stream.Detach();
61 return true;
62 }
63
64 temp_debug_stream.Release();
65 }
66
67 // No table was found.
68 return false;
69 }
70
FindTable(REFIID iid,IDiaSession * session,void ** table)71 bool FindTable(REFIID iid, IDiaSession* session, void** table) {
72 // Get the table enumerator.
73 CComPtr<IDiaEnumTables> enum_tables;
74 if (FAILED(session->getEnumTables(&enum_tables))) {
75 fprintf(stderr, "IDiaSession::getEnumTables failed\n");
76 return false;
77 }
78
79 // Iterate through the tables.
80 CComPtr<IDiaTable> temp_table;
81 ULONG fetched = 0;
82 while (SUCCEEDED(enum_tables->Next(1, &temp_table, &fetched)) &&
83 fetched == 1) {
84 void* temp = NULL;
85 if (SUCCEEDED(temp_table->QueryInterface(iid, &temp))) {
86 *table = temp;
87 return true;
88 }
89 temp_table.Release();
90 }
91
92 // The table was not found.
93 return false;
94 }
95
96 } // namespace google_breakpad