1 // Copyright (c) 2011, 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 #include <stdio.h>
31
32 #include <cstring>
33 #include <iostream>
34 #include <string>
35 #include <vector>
36
37 #include "common/linux/dump_symbols.h"
38
39 using google_breakpad::WriteSymbolFile;
40
usage(const char * self)41 int usage(const char* self) {
42 fprintf(stderr, "Usage: %s [OPTION] <binary-with-debugging-info> "
43 "[directories-for-debug-file]\n\n", self);
44 fprintf(stderr, "Options:\n");
45 fprintf(stderr, " -c Do not generate CFI section\n");
46 fprintf(stderr, " -r Do not handle inter-compilation unit references\n");
47 return 1;
48 }
49
main(int argc,char ** argv)50 int main(int argc, char **argv) {
51 if (argc < 2)
52 return usage(argv[0]);
53
54 bool cfi = true;
55 bool handle_inter_cu_refs = true;
56 int arg_index = 1;
57 while (arg_index < argc && strlen(argv[arg_index]) > 0 &&
58 argv[arg_index][0] == '-') {
59 if (strcmp("-c", argv[arg_index]) == 0) {
60 cfi = false;
61 } else if (strcmp("-r", argv[arg_index]) == 0) {
62 handle_inter_cu_refs = false;
63 } else {
64 return usage(argv[0]);
65 }
66 ++arg_index;
67 }
68 if (arg_index == argc)
69 return usage(argv[0]);
70
71 const char* binary;
72 std::vector<string> debug_dirs;
73 binary = argv[arg_index];
74 for (int debug_dir_index = arg_index + 1;
75 debug_dir_index < argc;
76 ++debug_dir_index) {
77 debug_dirs.push_back(argv[debug_dir_index]);
78 }
79
80 SymbolData symbol_data = cfi ? ALL_SYMBOL_DATA : NO_CFI;
81 google_breakpad::DumpOptions options(symbol_data, handle_inter_cu_refs);
82 if (!WriteSymbolFile(binary, debug_dirs, options, std::cout)) {
83 fprintf(stderr, "Failed to write symbol file.\n");
84 return 1;
85 }
86
87 return 0;
88 }
89