1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "runtime/include/file_manager.h"
17 #include "runtime/include/runtime.h"
18 #include "libpandabase/os/filesystem.h"
19
20 namespace panda {
21
LoadAbcFile(std::string_view location,panda_file::File::OpenMode openMode)22 bool FileManager::LoadAbcFile(std::string_view location, panda_file::File::OpenMode openMode)
23 {
24 auto pf = panda_file::OpenPandaFile(location, "", openMode);
25 if (pf == nullptr) {
26 LOG(ERROR, PANDAFILE) << "Load panda file failed: " << location;
27 return false;
28 }
29 auto runtime = Runtime::GetCurrent();
30 if (Runtime::GetOptions().IsEnableAn() && !Runtime::GetOptions().IsArkAot()) {
31 TryLoadAnFileForLocation(location);
32 auto aotFile = runtime->GetClassLinker()->GetAotManager()->FindPandaFile(std::string(location));
33 if (aotFile != nullptr) {
34 pf->SetClassHashTable(aotFile->GetClassHashTable());
35 }
36 }
37 runtime->GetClassLinker()->AddPandaFile(std::move(pf));
38 return true;
39 }
40
TryLoadAnFileForLocation(std::string_view pandaFileLocation)41 bool FileManager::TryLoadAnFileForLocation(std::string_view pandaFileLocation)
42 {
43 auto anLocation = FileManager::ResolveAnFilePath(pandaFileLocation);
44 if (anLocation.empty()) {
45 return true;
46 }
47 auto res = FileManager::LoadAnFile(anLocation, false);
48 if (res && res.Value()) {
49 LOG(INFO, PANDAFILE) << "Successfully load .an file for '" << pandaFileLocation << "': '" << anLocation << "'";
50 } else if (!res) {
51 LOG(INFO, PANDAFILE) << "Failed to load AOT file: '" << anLocation << "': " << res.Error();
52 } else {
53 LOG(INFO, PANDAFILE) << "Failed to load '" << anLocation << "' with unknown reason";
54 }
55 return true;
56 }
57
LoadAnFile(std::string_view anLocation,bool force)58 Expected<bool, std::string> FileManager::LoadAnFile(std::string_view anLocation, bool force)
59 {
60 PandaRuntimeInterface runtimeIface;
61 auto runtime = Runtime::GetCurrent();
62 auto gcType = Runtime::GetGCType(Runtime::GetOptions(), plugins::RuntimeTypeToLang(runtime->GetRuntimeType()));
63 ASSERT(gcType != panda::mem::GCType::INVALID_GC);
64 auto realAnFilePath = os::GetAbsolutePath(anLocation);
65 return runtime->GetClassLinker()->GetAotManager()->AddFile(realAnFilePath, &runtimeIface,
66 static_cast<uint32_t>(gcType), force);
67 }
68
ResolveAnFilePath(std::string_view abcPath)69 PandaString FileManager::ResolveAnFilePath(std::string_view abcPath)
70 {
71 // check whether an aot version of this file already exist
72 // NOTE(Wentao):
73 // 1. search ark native file file base on ARCH info from runtime.
74 // 2. allow searching an file out of same path of ark bytecode file.
75 const PandaString &anPathSuffix = ".an";
76 PandaString::size_type posStart = abcPath.find_last_of('/');
77 PandaString::size_type posEnd = abcPath.find_last_of('.');
78 if (posStart != std::string_view::npos && posEnd != std::string_view::npos) {
79 LOG(DEBUG, PANDAFILE) << "current abc file path: " << abcPath;
80 PandaString abcPathPrefix = PandaString(abcPath.substr(0, posStart));
81 PandaString anFilePath =
82 abcPathPrefix + PandaString(abcPath.substr(posStart, posEnd - posStart)) + anPathSuffix;
83
84 const char *filename = anFilePath.c_str();
85 if (access(filename, F_OK) == 0) {
86 return anFilePath;
87 }
88 }
89 LOG(DEBUG, PANDAFILE) << "There is no corresponding .an file for " << abcPath;
90 return "";
91 }
92
93 } // namespace panda
94