michael@0: // Copyright (c) 2006, Google Inc.
michael@0: // All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //     * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //     * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //     * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: // minidump_dump.cc: Print the contents of a minidump file in somewhat
michael@0: // readable text.
michael@0: //
michael@0: // Author: Mark Mentovai
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include <string.h>
michael@0: 
michael@0: #include "common/scoped_ptr.h"
michael@0: #include "google_breakpad/processor/minidump.h"
michael@0: #include "processor/logging.h"
michael@0: 
michael@0: namespace {
michael@0: 
michael@0: using google_breakpad::Minidump;
michael@0: using google_breakpad::MinidumpThreadList;
michael@0: using google_breakpad::MinidumpModuleList;
michael@0: using google_breakpad::MinidumpMemoryInfoList;
michael@0: using google_breakpad::MinidumpMemoryList;
michael@0: using google_breakpad::MinidumpException;
michael@0: using google_breakpad::MinidumpAssertion;
michael@0: using google_breakpad::MinidumpSystemInfo;
michael@0: using google_breakpad::MinidumpMiscInfo;
michael@0: using google_breakpad::MinidumpBreakpadInfo;
michael@0: 
michael@0: static void DumpRawStream(Minidump *minidump,
michael@0:                           uint32_t stream_type,
michael@0:                           const char *stream_name,
michael@0:                           int *errors) {
michael@0:   uint32_t length = 0;
michael@0:   if (!minidump->SeekToStreamType(stream_type, &length)) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   printf("Stream %s:\n", stream_name);
michael@0: 
michael@0:   if (length == 0) {
michael@0:     printf("\n");
michael@0:     return;
michael@0:   }
michael@0:   std::vector<char> contents(length);
michael@0:   if (!minidump->ReadBytes(&contents[0], length)) {
michael@0:     ++*errors;
michael@0:     BPLOG(ERROR) << "minidump.ReadBytes failed";
michael@0:     return;
michael@0:   }
michael@0:   size_t current_offset = 0;
michael@0:   while (current_offset < length) {
michael@0:     size_t remaining = length - current_offset;
michael@0:     // Printf requires an int and direct casting from size_t results
michael@0:     // in compatibility warnings.
michael@0:     uint32_t int_remaining = remaining;
michael@0:     printf("%.*s", int_remaining, &contents[current_offset]);
michael@0:     char *next_null = reinterpret_cast<char *>(
michael@0:         memchr(&contents[current_offset], 0, remaining));
michael@0:     if (next_null == NULL)
michael@0:       break;
michael@0:     printf("\\0\n");
michael@0:     size_t null_offset = next_null - &contents[0];
michael@0:     current_offset = null_offset + 1;
michael@0:   }
michael@0:   printf("\n\n");
michael@0: }
michael@0: 
michael@0: static bool PrintMinidumpDump(const char *minidump_file) {
michael@0:   Minidump minidump(minidump_file);
michael@0:   if (!minidump.Read()) {
michael@0:     BPLOG(ERROR) << "minidump.Read() failed";
michael@0:     return false;
michael@0:   }
michael@0:   minidump.Print();
michael@0: 
michael@0:   int errors = 0;
michael@0: 
michael@0:   MinidumpThreadList *thread_list = minidump.GetThreadList();
michael@0:   if (!thread_list) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetThreadList() failed";
michael@0:   } else {
michael@0:     thread_list->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpModuleList *module_list = minidump.GetModuleList();
michael@0:   if (!module_list) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetModuleList() failed";
michael@0:   } else {
michael@0:     module_list->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpMemoryList *memory_list = minidump.GetMemoryList();
michael@0:   if (!memory_list) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetMemoryList() failed";
michael@0:   } else {
michael@0:     memory_list->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpException *exception = minidump.GetException();
michael@0:   if (!exception) {
michael@0:     BPLOG(INFO) << "minidump.GetException() failed";
michael@0:   } else {
michael@0:     exception->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpAssertion *assertion = minidump.GetAssertion();
michael@0:   if (!assertion) {
michael@0:     BPLOG(INFO) << "minidump.GetAssertion() failed";
michael@0:   } else {
michael@0:     assertion->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpSystemInfo *system_info = minidump.GetSystemInfo();
michael@0:   if (!system_info) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetSystemInfo() failed";
michael@0:   } else {
michael@0:     system_info->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpMiscInfo *misc_info = minidump.GetMiscInfo();
michael@0:   if (!misc_info) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetMiscInfo() failed";
michael@0:   } else {
michael@0:     misc_info->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpBreakpadInfo *breakpad_info = minidump.GetBreakpadInfo();
michael@0:   if (!breakpad_info) {
michael@0:     // Breakpad info is optional, so don't treat this as an error.
michael@0:     BPLOG(INFO) << "minidump.GetBreakpadInfo() failed";
michael@0:   } else {
michael@0:     breakpad_info->Print();
michael@0:   }
michael@0: 
michael@0:   MinidumpMemoryInfoList *memory_info_list = minidump.GetMemoryInfoList();
michael@0:   if (!memory_info_list) {
michael@0:     ++errors;
michael@0:     BPLOG(ERROR) << "minidump.GetMemoryInfoList() failed";
michael@0:   } else {
michael@0:     memory_info_list->Print();
michael@0:   }
michael@0: 
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_CMD_LINE,
michael@0:                 "MD_LINUX_CMD_LINE",
michael@0:                 &errors);
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_ENVIRON,
michael@0:                 "MD_LINUX_ENVIRON",
michael@0:                 &errors);
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_LSB_RELEASE,
michael@0:                 "MD_LINUX_LSB_RELEASE",
michael@0:                 &errors);
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_PROC_STATUS,
michael@0:                 "MD_LINUX_PROC_STATUS",
michael@0:                 &errors);
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_CPU_INFO,
michael@0:                 "MD_LINUX_CPU_INFO",
michael@0:                 &errors);
michael@0:   DumpRawStream(&minidump,
michael@0:                 MD_LINUX_MAPS,
michael@0:                 "MD_LINUX_MAPS",
michael@0:                 &errors);
michael@0: 
michael@0:   return errors == 0;
michael@0: }
michael@0: 
michael@0: }  // namespace
michael@0: 
michael@0: int main(int argc, char **argv) {
michael@0:   BPLOG_INIT(&argc, &argv);
michael@0: 
michael@0:   if (argc != 2) {
michael@0:     fprintf(stderr, "usage: %s <file>\n", argv[0]);
michael@0:     return 1;
michael@0:   }
michael@0: 
michael@0:   return PrintMinidumpDump(argv[1]) ? 0 : 1;
michael@0: }