blob: bb830eb5a68a545557e1a6d2dbc35c1c140b17b1 [file] [log] [blame]
// Copyright 2017 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ARC_SETUP_ART_CONTAINER_H_
#define ARC_SETUP_ART_CONTAINER_H_
#include <memory>
#include <string>
#include <vector>
#include <base/macros.h>
#include "arc/setup/android_sdk_version.h"
#include "arc/setup/arc_setup_util.h"
namespace base {
class FilePath;
} // namespace base
namespace arc {
// The location where the relocated/compiled code is stored.
// Must be synced with dalvik-cache directory in
// container-bundle/*/config.json.
constexpr char kArtDalvikCacheDirectory[] =
"/mnt/stateful_partition/unencrypted/art-data/dalvik-cache";
constexpr char kFrameworkPath[] =
"/opt/google/containers/android/rootfs/root/system/framework";
struct ArtContainerPaths;
// A class that relocates boot image and compiles Android code in a container.
class ArtContainer {
public:
// Creates an ART container.
static std::unique_ptr<ArtContainer> CreateContainer(
ArcMounter* mounter, AndroidSdkVersion sdk_version);
~ArtContainer();
// Relocates images for all isa. When |offset_seed| is not zero, it is used to
// generate an offset passed to patchoat instead of a random number. When it
// is zero, ArtContainer uses a random offset.
bool PatchImage(uint64_t offset_seed);
// Gets a set of instruction set need to be supported. For example, arm,
// arm64 or x86.
static std::vector<std::string> GetIsas();
static int32_t ChooseRelocationOffsetDeltaForTesting(int32_t min_delta,
int32_t max_delta,
uint64_t offset_seed);
private:
ArtContainer(ArcMounter* mounter,
std::unique_ptr<ArtContainerPaths> arc_paths,
AndroidSdkVersion sdk_version);
// Starts ART container in a mount namespace.
bool PatchImageChild(uint64_t offset_seed);
// Starts ART container and relocates boot images for |isa|.
bool PatchImage(const std::string& isa, uint64_t offset_seed);
// Owned by caller.
ArcMounter* const mounter_;
// Container path.
std::unique_ptr<ArtContainerPaths> art_paths_;
// Android Sdk version.
const AndroidSdkVersion sdk_version_;
DISALLOW_COPY_AND_ASSIGN(ArtContainer);
};
} // namespace arc
#endif // ARC_SETUP_ART_CONTAINER_H_