Copy Crashpad into the Chrome tree instead of importing it via DEPS

third_party/crashpad/crashpad/snapshot/win/exception_snapshot_win.cc

Index: third_party/crashpad/crashpad/snapshot/win/exception_snapshot_win.cc
diff --git a/third_party/crashpad/crashpad/snapshot/win/exception_snapshot_win.cc b/third_party/crashpad/crashpad/snapshot/win/exception_snapshot_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..07b1c8eaae1d139fdca8ce6add3db8100242ef1e
--- /dev/null
+++ b/third_party/crashpad/crashpad/snapshot/win/exception_snapshot_win.cc
@@ -0,0 +1,172 @@
+// 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.
+
+#include "snapshot/win/exception_snapshot_win.h"
+
+#include "snapshot/win/cpu_context_win.h"
+#include "snapshot/win/process_reader_win.h"
+#include "util/win/nt_internals.h"
+
+namespace crashpad {
+namespace internal {
+
+ExceptionSnapshotWin::ExceptionSnapshotWin()
+    : ExceptionSnapshot(),
+      context_union_(),
+      context_(),
+      codes_(),
+      thread_id_(0),
+      exception_address_(0),
+      exception_flags_(0),
+      exception_code_(0),
+      initialized_() {
+}
+
+ExceptionSnapshotWin::~ExceptionSnapshotWin() {
+}
+
+bool ExceptionSnapshotWin::Initialize(ProcessReaderWin* process_reader,
+                                      DWORD thread_id,
+                                      WinVMAddress exception_pointers_address) {
+  INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
+
+  bool found_thread = false;
+  for (const auto& loop_thread : process_reader->Threads()) {
+    if (thread_id == loop_thread.id) {
+      found_thread = true;
+      break;
+    }
+  }
+
+  if (!found_thread) {
+    LOG(ERROR) << "thread ID " << thread_id << " not found in process";
+    return false;
+  } else {
+    thread_id_ = thread_id;
+  }
+
+#if defined(ARCH_CPU_32_BITS)
+  const bool is_64_bit = false;
+  using Context32 = CONTEXT;
+#elif defined(ARCH_CPU_64_BITS)
+  const bool is_64_bit = process_reader->Is64Bit();
+  using Context32 = WOW64_CONTEXT;
+  if (is_64_bit) {
+    CONTEXT context_record;
+    if (!InitializeFromExceptionPointers<EXCEPTION_RECORD64,
+                                         process_types::EXCEPTION_POINTERS64>(
+            *process_reader, exception_pointers_address, &context_record)) {
+      return false;
+    }
+    context_.architecture = kCPUArchitectureX86_64;
+    context_.x86_64 = &context_union_.x86_64;
+    InitializeX64Context(context_record, context_.x86_64);
+  }
+#endif
+  if (!is_64_bit) {
+    Context32 context_record;
+    if (!InitializeFromExceptionPointers<EXCEPTION_RECORD32,
+                                         process_types::EXCEPTION_POINTERS32>(
+            *process_reader, exception_pointers_address, &context_record)) {
+      return false;
+    }
+    context_.architecture = kCPUArchitectureX86;
+    context_.x86 = &context_union_.x86;
+    InitializeX86Context(context_record, context_.x86);
+  }
+
+  INITIALIZATION_STATE_SET_VALID(initialized_);
+  return true;
+}
+
+const CPUContext* ExceptionSnapshotWin::Context() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return &context_;
+}
+
+uint64_t ExceptionSnapshotWin::ThreadID() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return thread_id_;
+}
+
+uint32_t ExceptionSnapshotWin::Exception() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return exception_code_;
+}
+
+uint32_t ExceptionSnapshotWin::ExceptionInfo() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return exception_flags_;
+}
+
+uint64_t ExceptionSnapshotWin::ExceptionAddress() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return exception_address_;
+}
+
+const std::vector<uint64_t>& ExceptionSnapshotWin::Codes() const {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  return codes_;
+}
+
+template <class ExceptionRecordType,
+          class ExceptionPointersType,
+          class ContextType>
+bool ExceptionSnapshotWin::InitializeFromExceptionPointers(
+    const ProcessReaderWin& process_reader,
+    WinVMAddress exception_pointers_address,
+    ContextType* context_record) {
+  ExceptionPointersType exception_pointers;
+  if (!process_reader.ReadMemory(exception_pointers_address,
+                                 sizeof(exception_pointers),
+                                 &exception_pointers)) {
+    LOG(ERROR) << "EXCEPTION_POINTERS read failed";
+    return false;
+  }
+  if (!exception_pointers.ExceptionRecord) {
+    LOG(ERROR) << "null ExceptionRecord";
+    return false;
+  }
+
+  ExceptionRecordType first_record;
+  if (!process_reader.ReadMemory(
+          static_cast<WinVMAddress>(exception_pointers.ExceptionRecord),
+          sizeof(first_record),
+          &first_record)) {
+    LOG(ERROR) << "ExceptionRecord";
+    return false;
+  }
+  exception_code_ = first_record.ExceptionCode;
+  exception_flags_ = first_record.ExceptionFlags;
+  exception_address_ = first_record.ExceptionAddress;
+  for (DWORD i = 0; i < first_record.NumberParameters; ++i)
+    codes_.push_back(first_record.ExceptionInformation[i]);
+  if (first_record.ExceptionRecord) {
+    // https://crashpad.chromium.org/bug/43
+    LOG(WARNING) << "dropping chained ExceptionRecord";
+  }
+
+  if (!process_reader.ReadMemory(
+          static_cast<WinVMAddress>(exception_pointers.ContextRecord),
+          sizeof(*context_record),
+          context_record)) {
+    LOG(ERROR) << "ContextRecord";
+    return false;
+  }
+
+  return true;
+}
+
+}  // namespace internal
+}  // namespace crashpad