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
39using google_breakpad::WriteSymbolFile;
40
41int 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
50int 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