Add MemorySnapshotMac

snapshot/memory_snapshot_mac.cc

Index: snapshot/memory_snapshot_mac.cc
diff --git a/snapshot/memory_snapshot_mac.cc b/snapshot/memory_snapshot_mac.cc
new file mode 100644
index 0000000000000000000000000000000000000000..163c38203907ddc84b0b02d738833a013a9ec993
--- /dev/null
+++ b/snapshot/memory_snapshot_mac.cc
@@ -0,0 +1,63 @@
+// Copyright 2014 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/memory_snapshot_mac.h"
+
+#include "util/mach/task_memory.h"
+
+namespace crashpad {
+namespace internal {
+
+MemorySnapshotMac::MemorySnapshotMac()
+    : MemorySnapshot(),
+      process_reader_(NULL),
+      address_(0),
+      size_(0),
+      initialized_() {
+}
+
+MemorySnapshotMac::~MemorySnapshotMac() {
+}
+
+void MemorySnapshotMac::Initialize(ProcessReader* process_reader,
+                                   uint64_t address,
+                                   uint64_t size) {
+  INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
+  process_reader_ = process_reader;
+  address_ = address;
+  size_ = size;
+  INITIALIZATION_STATE_SET_VALID(initialized_);
+}
+
+uint64_t MemorySnapshotMac::Address() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return address_;
+}
+
+size_t MemorySnapshotMac::Size() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return size_;
+}
+
+bool MemorySnapshotMac::Read(Delegate* delegate) const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  scoped_ptr<uint8_t[]> buffer(new uint8_t[size_]);
+  if (!process_reader_->Memory()->Read(address_, size_, buffer.get())) {
+    return false;
+  }
+  return delegate->MemorySnapshotDelegateRead(buffer.get(), size_);
+}
+
+}  // namespace internal
+}  // namespace crashpad