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_BREAKPAD_APP_BREAKPAD_LINUX_IMPL_H_
10#define COMPONENTS_BREAKPAD_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/breakpad/app/breakpad_linux.h"
17
18namespace breakpad {
19
20typedef google_breakpad::NonAllocatingMap<256, 256, 64> CrashKeyStorage;
21
22static const size_t kDistroSize = 128;
23#if defined(ADDRESS_SANITIZER)
24static const size_t kMaxAsanReportSize = 1 << 16;
25#endif
26// Define a preferred limit on minidump sizes, because Crash Server currently
27// throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
28// no limit.
29static const off_t kMaxMinidumpFileSize = 1258291;
30
31// The size of the iovec used to transfer crash data from a child back to the
32// browser.
33#if !defined(ADDRESS_SANITIZER)
34const size_t kCrashIovSize = 7;
35#else
36// Additional field to pass the AddressSanitizer log to the crash handler.
37const size_t kCrashIovSize = 8;
38#endif
39
40// BreakpadInfo describes a crash report.
41// The minidump information can either be contained in a file descriptor (fd) or
42// in a file (whose path is in filename).
43struct BreakpadInfo {
44  int fd;                          // File descriptor to the Breakpad dump data.
45  const char* filename;            // Path to the Breakpad dump data.
46#if defined(ADDRESS_SANITIZER)
47  const char* log_filename;        // Path to the ASan log file.
48  const char* asan_report_str;     // ASan report.
49  unsigned asan_report_length;     // Length of |asan_report_length|.
50#endif
51  const char* process_type;        // Process type, e.g. "renderer".
52  unsigned process_type_length;    // Length of |process_type|.
53  const char* distro;              // Linux distro string.
54  unsigned distro_length;          // Length of |distro|.
55  bool upload;                     // Whether to upload or save crash dump.
56  uint64_t process_start_time;     // Uptime of the crashing process.
57  size_t oom_size;                 // Amount of memory requested if OOM.
58  uint64_t pid;                    // PID where applicable.
59  CrashKeyStorage* crash_keys;
60};
61
62extern void HandleCrashDump(const BreakpadInfo& info);
63
64}  // namespace breakpad
65
66#endif  // COMPONENTS_BREAKPAD_APP_BREAKPAD_LINUX_IMPL_H_
67