Linux: Add Breakpad client.

breakpad/linux/generate-test-dump.cc

Index: breakpad/linux/generate-test-dump.cc
diff --git a/breakpad/linux/generate-test-dump.cc b/breakpad/linux/generate-test-dump.cc
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+++ b/breakpad/linux/generate-test-dump.cc
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+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This code exists to generate minidump files for testing.
+
+#include <stdlib.h>
+
+#include <unistd.h>
+
+#include "breakpad/linux/exception_handler.h"
+#include "breakpad/linux/linux_libc_support.h"
+#include "breakpad/linux/linux_syscall_support.h"
+
+static bool DumpCallback(const char* dump_path, const char* minidump_id,
+                         void* context, bool success) {
+  if (!success) {
+    static const char msg[] = "Failed to write minidump\n";
+    sys_write(2, msg, sizeof(msg) - 1);
+    return false;
+  }
+
+  static const char msg[] = "Wrote minidump: ";
+  sys_write(2, msg, sizeof(msg) - 1);
+  sys_write(2, dump_path, my_strlen(dump_path));
+  sys_write(2, "/", 1);
+  sys_write(2, minidump_id, my_strlen(minidump_id));
+  sys_write(2, ".dmp\n", 5);
+
+  return true;
+}
+
+static void DoSomethingWhichCrashes() {
+  int local_var = 1;
+  *reinterpret_cast<char*>(NULL) = 1;
+}
+
+int main() {
+  google_breakpad::ExceptionHandler breakpad(".", NULL, DumpCallback, NULL,
+                                             true);
+  DoSomethingWhichCrashes();
+  return 0;
+}