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1 // Copyright (c) 2012, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 //     * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 //     * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 //     * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 
30 // core2md.cc: A utility to convert an ELF core file to a minidump file.
31 
32 #include <stdio.h>
33 
34 #include "client/linux/minidump_writer/minidump_writer.h"
35 #include "client/linux/minidump_writer/linux_core_dumper.h"
36 
37 using google_breakpad::AppMemoryList;
38 using google_breakpad::MappingList;
39 using google_breakpad::LinuxCoreDumper;
40 
ShowUsage(const char * argv0)41 static int ShowUsage(const char* argv0) {
42   fprintf(stderr, "Usage: %s <core file> <procfs dir> <output>\n", argv0);
43   return 1;
44 }
45 
WriteMinidumpFromCore(const char * filename,const char * core_path,const char * procfs_override)46 bool WriteMinidumpFromCore(const char* filename,
47                            const char* core_path,
48                            const char* procfs_override) {
49   MappingList mappings;
50   AppMemoryList memory_list;
51   LinuxCoreDumper dumper(0, core_path, procfs_override);
52   return google_breakpad::WriteMinidump(filename, mappings, memory_list,
53                                         &dumper);
54 }
55 
main(int argc,char * argv[])56 int main(int argc, char *argv[]) {
57   if (argc != 4) {
58     return ShowUsage(argv[0]);
59   }
60 
61   const char* core_file = argv[1];
62   const char* procfs_dir = argv[2];
63   const char* minidump_file = argv[3];
64   if (!WriteMinidumpFromCore(minidump_file,
65                              core_file,
66                              procfs_dir)) {
67     perror("core2md: Unable to generate minidump");
68     return 1;
69   }
70 
71   return 0;
72 }
73