win: Handle binary with embedded CodeView debug record

handler/win/z7_test.cpp

Index: handler/win/z7_test.cpp
diff --git a/handler/win/z7_test.cpp b/handler/win/z7_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..727e868cff1a31e83ededd86378df90f27963e62
--- /dev/null
+++ b/handler/win/z7_test.cpp
@@ -0,0 +1,32 @@
+// Copyright 2015 The Crashpad Authors. 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.
+//

[Mark Mentovai, 2015/10/30 19:42:44]

This line shouldn’t have //s on it, it should be blank. Otherwise, the comment
that follows, which is actually interesting, looks like license garbage.

[scottmg, 2015/10/30 23:52:07]

Done.

+// Build in VC6 or older command prompt with:

[Mark Mentovai, 2015/10/30 19:42:44]

VC++6

[scottmg, 2015/10/30 23:52:07]

Done.

+//
+// cl /nologo /W4 /MT /Z7 z7_test.cpp /link /dll /out:z7_test.dll /debugtype:cv /pdb:none
+//
+// Given that this is quite tedious to build, the result is also checked in.
+
+#include <windows.h>
+#include <stdio.h>
+
+__declspec(dllexport) void CrashMe() {
+  volatile int* foo = reinterpret_cast<volatile int*>(7);
+  *foo = 42;
+}
+
+BOOL WINAPI DllMain(HINSTANCE hinstance, DWORD reason, LPVOID) {
+  printf("%p %d\n", hinstance, reason);
+  return TRUE;
+}