1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
// Copyright (c) 2011, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <paths.h>
#include <stdio.h>
#include <unistd.h>
#include <cstring>
#include <iostream>
#include <string>
#include <vector>
#include "common/linux/dump_symbols.h"
using google_breakpad::WriteSymbolFile;
using google_breakpad::WriteSymbolFileHeader;
int usage(const char* self) {
fprintf(stderr, "Usage: %s [OPTION] <binary-with-debugging-info> "
"[directories-for-debug-file]\n\n", self);
fprintf(stderr, "Options:\n");
fprintf(stderr, " -i: Output module header information only.\n");
fprintf(stderr, " -c Do not generate CFI section\n");
fprintf(stderr, " -r Do not handle inter-compilation "
"unit references\n");
fprintf(stderr, " -v Print all warnings to stderr\n");
fprintf(stderr, " -n <name> Use specified name for name of the object\n");
fprintf(stderr, " -o <os> Use specified name for the "
"operating system\n");
return 1;
}
int main(int argc, char** argv) {
if (argc < 2)
return usage(argv[0]);
bool header_only = false;
bool cfi = true;
bool handle_inter_cu_refs = true;
bool log_to_stderr = false;
std::string obj_name;
const char* obj_os = "Linux";
int arg_index = 1;
while (arg_index < argc && strlen(argv[arg_index]) > 0 &&
argv[arg_index][0] == '-') {
if (strcmp("-i", argv[arg_index]) == 0) {
header_only = true;
} else if (strcmp("-c", argv[arg_index]) == 0) {
cfi = false;
} else if (strcmp("-r", argv[arg_index]) == 0) {
handle_inter_cu_refs = false;
} else if (strcmp("-v", argv[arg_index]) == 0) {
log_to_stderr = true;
} else if (strcmp("-n", argv[arg_index]) == 0) {
if (arg_index + 1 >= argc) {
fprintf(stderr, "Missing argument to -n\n");
return usage(argv[0]);
}
obj_name = argv[arg_index + 1];
++arg_index;
} else if (strcmp("-o", argv[arg_index]) == 0) {
if (arg_index + 1 >= argc) {
fprintf(stderr, "Missing argument to -o\n");
return usage(argv[0]);
}
obj_os = argv[arg_index + 1];
++arg_index;
} else {
printf("2.4 %s\n", argv[arg_index]);
return usage(argv[0]);
}
++arg_index;
}
if (arg_index == argc)
return usage(argv[0]);
// Save stderr so it can be used below.
FILE* saved_stderr = fdopen(dup(fileno(stderr)), "w");
if (!log_to_stderr) {
if (freopen(_PATH_DEVNULL, "w", stderr)) {
// If it fails, not a lot we can (or should) do.
// Add this brace section to silence gcc warnings.
}
}
const char* binary;
std::vector<string> debug_dirs;
binary = argv[arg_index];
for (int debug_dir_index = arg_index + 1;
debug_dir_index < argc;
++debug_dir_index) {
debug_dirs.push_back(argv[debug_dir_index]);
}
if (obj_name.empty())
obj_name = binary;
if (header_only) {
if (!WriteSymbolFileHeader(binary, obj_name, obj_os, std::cout)) {
fprintf(saved_stderr, "Failed to process file.\n");
return 1;
}
} else {
SymbolData symbol_data = cfi ? ALL_SYMBOL_DATA : NO_CFI;
google_breakpad::DumpOptions options(symbol_data, handle_inter_cu_refs);
if (!WriteSymbolFile(binary, obj_name, obj_os, debug_dirs, options,
std::cout)) {
fprintf(saved_stderr, "Failed to write symbol file.\n");
return 1;
}
}
return 0;
}
|
