1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "dex/dex_file.h"
18 
19 #include "art_method-inl.h"
20 #include "dex/method_reference.h"
21 #include "jit/profile_saver.h"
22 #include "jni.h"
23 #include "mirror/class-inl.h"
24 #include "mirror/executable.h"
25 #include "nativehelper/ScopedUtfChars.h"
26 #include "oat_file_assistant.h"
27 #include "oat_file_manager.h"
28 #include "profile/profile_compilation_info.h"
29 #include "scoped_thread_state_change-inl.h"
30 #include "thread.h"
31 
32 namespace art {
33 namespace {
34 
Java_Main_ensureProfilingInfo(JNIEnv * env,jclass,jobject method)35 extern "C" JNIEXPORT void JNICALL Java_Main_ensureProfilingInfo(JNIEnv* env,
36                                                                 jclass,
37                                                                 jobject method) {
38   CHECK(method != nullptr);
39   ScopedObjectAccess soa(env);
40   ObjPtr<mirror::Executable> exec = soa.Decode<mirror::Executable>(method);
41   ArtMethod* art_method = exec->GetArtMethod();
42   if (!ProfilingInfo::Create(soa.Self(), art_method, /* retry_allocation */ true)) {
43     LOG(ERROR) << "Failed to create profiling info for method " << art_method->PrettyMethod();
44   }
45 }
46 
Java_Main_ensureProfileProcessing(JNIEnv *,jclass)47 extern "C" JNIEXPORT void JNICALL Java_Main_ensureProfileProcessing(JNIEnv*, jclass) {
48   ProfileSaver::ForceProcessProfiles();
49 }
50 
Java_Main_presentInProfile(JNIEnv * env,jclass,jstring filename,jobject method)51 extern "C" JNIEXPORT jboolean JNICALL Java_Main_presentInProfile(JNIEnv* env,
52                                                                  jclass,
53                                                                  jstring filename,
54                                                                  jobject method) {
55   ScopedUtfChars filename_chars(env, filename);
56   CHECK(filename_chars.c_str() != nullptr);
57   ScopedObjectAccess soa(env);
58   ObjPtr<mirror::Executable> exec = soa.Decode<mirror::Executable>(method);
59   ArtMethod* art_method = exec->GetArtMethod();
60   return ProfileSaver::HasSeenMethod(std::string(filename_chars.c_str()),
61                                      /*hot*/ true,
62                                      MethodReference(art_method->GetDexFile(),
63                                                      art_method->GetDexMethodIndex()));
64 }
65 
Java_Main_isForBootImage(JNIEnv * env,jclass,jstring filename)66 extern "C" JNIEXPORT jboolean JNICALL Java_Main_isForBootImage(JNIEnv* env,
67                                                                jclass,
68                                                                jstring filename) {
69   ScopedUtfChars filename_chars(env, filename);
70   CHECK(filename_chars.c_str() != nullptr);
71 
72   ProfileCompilationInfo info;
73   info.Load(std::string(filename_chars.c_str()), /*clear_if_invalid=*/ false);
74   return info.IsForBootImage();
75 }
76 
77 }  // namespace
78 }  // namespace art
79