src/chrome/common/dump_without_crashing.cc

   1 // Copyright (c) 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 #include "build/build_config.h"
   6
   7 #include "chrome/common/dump_without_crashing.h"
   8
   9 #include "base/logging.h"
  10 #include "chrome/common/chrome_constants.h"
  11
  12 #if defined(OS_WIN)
  13 #include <windows.h>
  14 #endif
  15
  16 namespace {
  17
  18 #if defined(OS_POSIX)
  19 // Pointer to the function that's called by DumpWithoutCrashing() to dump the
  20 // process's memory.
  21 void (*dump_without_crashing_function_)() = NULL;
  22 #endif
  23
  24 }  // namespace
  25
  26 namespace logging {
  27
  28 void DumpWithoutCrashing() {
  29 #if defined(OS_WIN)
  30   // Get the breakpad pointer from chrome.exe
  31   typedef void (__cdecl *DumpProcessFunction)();
  32   DumpProcessFunction DumpProcess = reinterpret_cast<DumpProcessFunction>(
  33       ::GetProcAddress(::GetModuleHandle(chrome::kBrowserProcessExecutableName),
  34                        "DumpProcessWithoutCrash"));
  35   if (DumpProcess)
  36     DumpProcess();
  37 #elif defined(OS_POSIX)
  38   if (dump_without_crashing_function_)
  39     (*dump_without_crashing_function_)();
  40 #else
  41   NOTIMPLEMENTED();
  42 #endif
  43 }
  44
  45 #if defined(OS_POSIX)
  46 void SetDumpWithoutCrashingFunction(void (*function)()) {
  47   dump_without_crashing_function_ = function;
  48 }
  49 #endif
  50
  51 }  // namespace logging