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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 
18 namespace breakpad {
19 
20 typedef google_breakpad::NonAllocatingMap<256, 256, 64> CrashKeyStorage;
21 
22 static const size_t kDistroSize = 128;
23 #if defined(ADDRESS_SANITIZER)
24 static 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.
29 static 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)
34 const size_t kCrashIovSize = 7;
35 #else
36 // Additional field to pass the AddressSanitizer log to the crash handler.
37 const 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).
43 struct 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 
62 extern void HandleCrashDump(const BreakpadInfo& info);
63 
64 }  // namespace breakpad
65 
66 #endif  // COMPONENTS_BREAKPAD_APP_BREAKPAD_LINUX_IMPL_H_
67