* Added breakpad support for Linux.

thirdparty/breakpad/processor/minidump_dump.cc

@@ -0,0 +1,214 @@
+// Copyright (c) 2006, 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.
+
+// minidump_dump.cc: Print the contents of a minidump file in somewhat
+// readable text.
+//
+// Author: Mark Mentovai
+
+#include <stdio.h>
+#include <string.h>
+
+#include "client/linux/minidump_writer/minidump_extension_linux.h"
+#include "google_breakpad/processor/minidump.h"
+#include "processor/logging.h"
+#include "processor/scoped_ptr.h"
+
+namespace {
+
+using google_breakpad::Minidump;
+using google_breakpad::MinidumpThreadList;
+using google_breakpad::MinidumpModuleList;
+using google_breakpad::MinidumpMemoryInfoList;
+using google_breakpad::MinidumpMemoryList;
+using google_breakpad::MinidumpException;
+using google_breakpad::MinidumpAssertion;
+using google_breakpad::MinidumpSystemInfo;
+using google_breakpad::MinidumpMiscInfo;
+using google_breakpad::MinidumpBreakpadInfo;
+
+static void DumpRawStream(Minidump *minidump,
+                          u_int32_t stream_type,
+                          const char *stream_name,
+                          int *errors) {
+  u_int32_t length = 0;
+  if (!minidump->SeekToStreamType(stream_type, &length)) {
+    return;
+  }
+
+  printf("Stream %s:\n", stream_name);
+
+  if (length == 0) {
+    printf("\n");
+    return;
+  }
+  std::vector<char> contents(length);
+  if (!minidump->ReadBytes(&contents[0], length)) {
+    ++*errors;
+    BPLOG(ERROR) << "minidump.ReadBytes failed";
+    return;
+  }
+  size_t current_offset = 0;
+  while (current_offset < length) {
+    size_t remaining = length - current_offset;
+    // Printf requires an int and direct casting from size_t results
+    // in compatibility warnings.
+    u_int32_t int_remaining = remaining;
+    printf("%.*s", int_remaining, &contents[current_offset]);
+    char *next_null = reinterpret_cast<char *>(
+        memchr(&contents[current_offset], 0, remaining));
+    if (next_null == NULL)
+      break;
+    printf("\\0\n");
+    size_t null_offset = next_null - &contents[0];
+    current_offset = null_offset + 1;
+  }
+  printf("\n\n");
+}
+
+static bool PrintMinidumpDump(const char *minidump_file) {
+  Minidump minidump(minidump_file);
+  if (!minidump.Read()) {
+    BPLOG(ERROR) << "minidump.Read() failed";
+    return false;
+  }
+  minidump.Print();
+
+  int errors = 0;
+
+  MinidumpThreadList *thread_list = minidump.GetThreadList();
+  if (!thread_list) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetThreadList() failed";
+  } else {
+    thread_list->Print();
+  }
+
+  MinidumpModuleList *module_list = minidump.GetModuleList();
+  if (!module_list) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetModuleList() failed";
+  } else {
+    module_list->Print();
+  }
+
+  MinidumpMemoryList *memory_list = minidump.GetMemoryList();
+  if (!memory_list) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetMemoryList() failed";
+  } else {
+    memory_list->Print();
+  }
+
+  MinidumpException *exception = minidump.GetException();
+  if (!exception) {
+    BPLOG(INFO) << "minidump.GetException() failed";
+  } else {
+    exception->Print();
+  }
+
+  MinidumpAssertion *assertion = minidump.GetAssertion();
+  if (!assertion) {
+    BPLOG(INFO) << "minidump.GetAssertion() failed";
+  } else {
+    assertion->Print();
+  }
+
+  MinidumpSystemInfo *system_info = minidump.GetSystemInfo();
+  if (!system_info) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetSystemInfo() failed";
+  } else {
+    system_info->Print();
+  }
+
+  MinidumpMiscInfo *misc_info = minidump.GetMiscInfo();
+  if (!misc_info) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetMiscInfo() failed";
+  } else {
+    misc_info->Print();
+  }
+
+  MinidumpBreakpadInfo *breakpad_info = minidump.GetBreakpadInfo();
+  if (!breakpad_info) {
+    // Breakpad info is optional, so don't treat this as an error.
+    BPLOG(INFO) << "minidump.GetBreakpadInfo() failed";
+  } else {
+    breakpad_info->Print();
+  }
+
+  MinidumpMemoryInfoList *memory_info_list = minidump.GetMemoryInfoList();
+  if (!memory_info_list) {
+    ++errors;
+    BPLOG(ERROR) << "minidump.GetMemoryInfoList() failed";
+  } else {
+    memory_info_list->Print();
+  }
+
+  DumpRawStream(&minidump,
+                MD_LINUX_CMD_LINE,
+                "MD_LINUX_CMD_LINE",
+                &errors);
+  DumpRawStream(&minidump,
+                MD_LINUX_ENVIRON,
+                "MD_LINUX_ENVIRON",
+                &errors);
+  DumpRawStream(&minidump,
+                MD_LINUX_LSB_RELEASE,
+                "MD_LINUX_LSB_RELEASE",
+                &errors);
+  DumpRawStream(&minidump,
+                MD_LINUX_PROC_STATUS,
+                "MD_LINUX_PROC_STATUS",
+                &errors);
+  DumpRawStream(&minidump,
+                MD_LINUX_CPU_INFO,
+                "MD_LINUX_CPU_INFO",
+                &errors);
+  DumpRawStream(&minidump,
+                MD_LINUX_MAPS,
+                "MD_LINUX_MAPS",
+                &errors);
+
+  return errors == 0;
+}
+
+}  // namespace
+
+int main(int argc, char **argv) {
+  BPLOG_INIT(&argc, &argv);
+
+  if (argc != 2) {
+    fprintf(stderr, "usage: %s <file>\n", argv[0]);
+    return 1;
+  }
+
+  return PrintMinidumpDump(argv[1]) ? 0 : 1;
+}