generate-test-dump.cc 2.7 KB

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  1. // Copyright (c) 2009, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. // * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. // * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. // * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. // This code exists to generate minidump files for testing.
  30. #include <stdlib.h>
  31. #include <unistd.h>
  32. #include "third_party/breakpad/breakpad/src/client/linux/handler/exception_handler.h"
  33. #include "third_party/breakpad/breakpad/src/common/linux/linux_libc_support.h"
  34. #include "third_party/lss/linux_syscall_support.h"
  35. static bool DumpCallback(const google_breakpad::MinidumpDescriptor& descriptor,
  36. void* context,
  37. bool success) {
  38. if (!success) {
  39. static const char msg[] = "Failed to write minidump\n";
  40. sys_write(2, msg, sizeof(msg) - 1);
  41. return false;
  42. }
  43. static const char msg[] = "Wrote minidump: ";
  44. sys_write(2, msg, sizeof(msg) - 1);
  45. sys_write(2, descriptor.path(), strlen(descriptor.path()));
  46. sys_write(2, "\n", 1);
  47. return true;
  48. }
  49. static void DoSomethingWhichCrashes() {
  50. int local_var = 1;
  51. *reinterpret_cast<volatile char*>(NULL) = 1;
  52. }
  53. int main() {
  54. google_breakpad::MinidumpDescriptor minidump(".");
  55. google_breakpad::ExceptionHandler breakpad(minidump, NULL, DumpCallback, NULL,
  56. true, -1);
  57. DoSomethingWhichCrashes();
  58. return 0;
  59. }