Adding an API to read module annotations in snapshot.gyp

snapshot/api/module_annotations_win.cc

+// Copyright 2016 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.
+
+#include "snapshot/api/module_annotations_win.h"
+
+#include "snapshot/win/pe_image_annotations_reader.h"
+#include "snapshot/win/pe_image_reader.h"
+#include "snapshot/win/process_reader_win.h"
+#include "util/win/get_module_information.h"
+
+namespace crashpad {
+
+bool ReadModuleAnnotations(HANDLE process,
+                           HMODULE module,
+                           std::map<std::string, std::string>* annotations) {
+  ProcessReaderWin process_reader;
+  if (!process_reader.Initialize(process, ProcessSuspensionState::kRunning))
+    return false;
+
+  MODULEINFO module_info;
+  if (!CrashpadGetModuleInformation(
+          process, module, &module_info, sizeof(module_info))) {
+    PLOG(ERROR) << "CrashpadGetModuleInformation";
+    return false;
+  }
+
+  PEImageReader image_reader;
+  if (!image_reader.Initialize(
+          &process_reader,
+          reinterpret_cast<crashpad::WinVMAddress>(module_info.lpBaseOfDll),
+          module_info.SizeOfImage,
+          ""))
+    return false;
+
+  PEImageAnnotationsReader annotations_reader(
+      &process_reader, &image_reader, L"");
+
+  *annotations = annotations_reader.SimpleMap();
+  return true;
+}
+
+}  // namespace crashpad