1 files changed, 87 insertions, 0 deletions
diff --git a/src/minidump-win32.cc b/src/minidump-win32.cc
new file mode 100644
index 0000000..f7067f3
--- /dev/null
+++ b/src/minidump-win32.cc
@@ -0,0 +1,87 @@
+// Copyright 2012 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef NINJA_BOOTSTRAP
+
+#include <DbgHelp.h>
+#include <windows.h>
+
+#include "util.h"
+
+typedef BOOL (WINAPI *MiniDumpWriteDumpFunc) (
+    IN HANDLE,
+    IN DWORD,
+    IN HANDLE,
+    IN MINIDUMP_TYPE,
+    IN CONST PMINIDUMP_EXCEPTION_INFORMATION, OPTIONAL
+    IN CONST PMINIDUMP_USER_STREAM_INFORMATION, OPTIONAL
+    IN CONST PMINIDUMP_CALLBACK_INFORMATION OPTIONAL
+    );
+
+/// Creates a windows minidump in temp folder.
+void CreateWin32MiniDump(_EXCEPTION_POINTERS* pep) {
+  char temp_path[MAX_PATH];
+  GetTempPath(sizeof(temp_path), temp_path);
+  char temp_file[MAX_PATH];
+  sprintf(temp_file, "%s\\ninja_crash_dump_%d.dmp",
+          temp_path, GetCurrentProcessId());
+
+  // Delete any previous minidump of the same name.
+  DeleteFile(temp_file);
+
+  // Load DbgHelp.dll dynamically, as library is not present on all
+  // Windows versions.
+  HMODULE dbghelp = LoadLibrary("dbghelp.dll");
+  if (dbghelp == NULL) {
+    Error("failed to create minidump: LoadLibrary('dbghelp.dll'): %s",
+          GetLastErrorString().c_str());
+    return;
+  }
+
+  MiniDumpWriteDumpFunc mini_dump_write_dump =
+      (MiniDumpWriteDumpFunc)GetProcAddress(dbghelp, "MiniDumpWriteDump");
+  if (mini_dump_write_dump == NULL) {
+    Error("failed to create minidump: GetProcAddress('MiniDumpWriteDump'): %s",
+          GetLastErrorString().c_str());
+    return;
+  }
+
+  HANDLE hFile = CreateFileA(temp_file, GENERIC_READ | GENERIC_WRITE, 0, NULL,
+                             CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (hFile == NULL) {
+    Error("failed to create minidump: CreateFileA(%s): %s",
+          temp_file, GetLastErrorString().c_str());
+    return;
+  }
+
+  MINIDUMP_EXCEPTION_INFORMATION mdei;
+  mdei.ThreadId           = GetCurrentThreadId();
+  mdei.ExceptionPointers  = pep;
+  mdei.ClientPointers     = FALSE;
+  MINIDUMP_TYPE mdt       = (MINIDUMP_TYPE) (MiniDumpWithDataSegs |
+                                             MiniDumpWithHandleData);
+
+  BOOL rv = mini_dump_write_dump(GetCurrentProcess(), GetCurrentProcessId(),
+                                 hFile, mdt, (pep != 0) ? &mdei : 0, 0, 0);
+  CloseHandle(hFile);
+
+  if (!rv) {
+    Error("MiniDumpWriteDump failed: %s", GetLastErrorString().c_str());
+    return;
+  }
+
+  Warning("minidump created: %s", temp_file);
+}
+
+#endif  // NINJA_BOOTSTRAP