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 30 // Breakpad test application for Linux. When run, it generates one on-demand 31 // minidump and then crashes, which should generate an on-crash minidump. 32 // dump_syms can be used to extract symbol information for use in processing. 33 34 // To build: 35 // g++ -g -o linux_test_app -I ../../ -L../../client/linux linux_test_app.cc \ 36 // -lbreakpad 37 // Add -m32 to build a 32-bit executable, or -m64 for a 64-bit one 38 // (assuming your environment supports it). Replace -g with -gstabs+ to 39 // generate an executable with STABS symbols (needs -m32), or -gdwarf-2 for one 40 // with DWARF symbols (32- or 64-bit) 41 42 #include <stdio.h> 43 #include <sys/types.h> 44 #include <unistd.h> 45 46 #include <string> 47 48 #include "client/linux/handler/exception_handler.h" 49 #include "third_party/lss/linux_syscall_support.h" 50 51 namespace { 52 53 // google_breakpad::MinidumpCallback to invoke after minidump generation. 54 static bool callback(const char *dump_path, const char *id, 55 void *context, 56 bool succeeded) { 57 if (succeeded) { 58 printf("dump guid is %s\n", id); 59 } else { 60 printf("dump failed\n"); 61 } 62 fflush(stdout); 63 64 return succeeded; 65 } 66 67 static void CrashFunction() { 68 int *i = reinterpret_cast<int*>(0x45); 69 *i = 5; // crash! 70 } 71 72 } // namespace 73 74 int main(int argc, char **argv) { 75 google_breakpad::ExceptionHandler eh(".", NULL, callback, NULL, true); 76 if (!eh.WriteMinidump()) { 77 printf("Failed to generate on-demand minidump\n"); 78 } 79 CrashFunction(); 80 printf("did not crash?\n"); 81 return 0; 82 } 83