components/crash/app/breakpad_linux_impl.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Internal header file for the Linux breakpad implementation. This file is
   6 // shared between crash_handler_host_linux.cc and breakpad_linux.cc. It should
   7 // only be used in files compiled with linux_breakpad=1.
   8
   9 #ifndef COMPONENTS_CRASH_APP_BREAKPAD_LINUX_IMPL_H_
  10 #define COMPONENTS_CRASH_APP_BREAKPAD_LINUX_IMPL_H_
  11
  12 #include <sys/types.h>
  13
  14 #include "base/basictypes.h"
  15 #include "breakpad/src/common/simple_string_dictionary.h"
  16 #include "components/crash/app/breakpad_linux.h"
  17
  18 namespace breakpad {
  19
  20 typedef google_breakpad::NonAllocatingMap<256, 256, 64> CrashKeyStorage;
  21
  22 #if defined(ADDRESS_SANITIZER)
  23 static const size_t kMaxAsanReportSize = 1 << 16;
  24 #endif
  25 // Define a preferred limit on minidump sizes, because Crash Server currently
  26 // throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
  27 // no limit.
  28 static const off_t kMaxMinidumpFileSize = 1258291;
  29
  30 // The size of the iovec used to transfer crash data from a child back to the
  31 // browser.
  32 #if !defined(ADDRESS_SANITIZER)
  33 const size_t kCrashIovSize = 6;
  34 #else
  35 // Additional field to pass the AddressSanitizer log to the crash handler.
  36 const size_t kCrashIovSize = 7;
  37 #endif
  38
  39 // BreakpadInfo describes a crash report.
  40 // The minidump information can either be contained in a file descriptor (fd) or
  41 // in a file (whose path is in filename).
  42 struct BreakpadInfo {
  43   int fd;                          // File descriptor to the Breakpad dump data.
  44   const char* filename;            // Path to the Breakpad dump data.
  45 #if defined(ADDRESS_SANITIZER)
  46   const char* log_filename;        // Path to the ASan log file.
  47   const char* asan_report_str;     // ASan report.
  48   unsigned asan_report_length;     // Length of |asan_report_length|.
  49 #endif
  50   const char* process_type;        // Process type, e.g. "renderer".
  51   unsigned process_type_length;    // Length of |process_type|.
  52   const char* distro;              // Linux distro string.
  53   unsigned distro_length;          // Length of |distro|.
  54   bool upload;                     // Whether to upload or save crash dump.
  55   uint64_t process_start_time;     // Uptime of the crashing process.
  56   size_t oom_size;                 // Amount of memory requested if OOM.
  57   uint64_t pid;                    // PID where applicable.
  58   CrashKeyStorage* crash_keys;
  59 };
  60
  61 extern void HandleCrashDump(const BreakpadInfo& info);
  62
  63 }  // namespace breakpad
  64
  65 #endif  // COMPONENTS_CRASH_APP_BREAKPAD_LINUX_IMPL_H_