| // 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; |
| } |