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 "art_method.h"
18 #include "jit/jit.h"
19 #include "jit/jit_code_cache.h"
20 #include "oat_quick_method_header.h"
21 #include "scoped_thread_state_change.h"
22 #include "stack_map.h"
23 
24 namespace art {
25 
do_checks(jclass cls,const char * method_name)26 static void do_checks(jclass cls, const char* method_name) {
27   ScopedObjectAccess soa(Thread::Current());
28   mirror::Class* klass = soa.Decode<mirror::Class*>(cls);
29   jit::Jit* jit = Runtime::Current()->GetJit();
30   jit::JitCodeCache* code_cache = jit->GetCodeCache();
31   ArtMethod* method = klass->FindDeclaredDirectMethodByName(method_name, sizeof(void*));
32 
33   OatQuickMethodHeader* header = nullptr;
34   // Infinite loop... Test harness will have its own timeout.
35   while (true) {
36     header = OatQuickMethodHeader::FromEntryPoint(method->GetEntryPointFromQuickCompiledCode());
37     if (code_cache->ContainsPc(header->GetCode())) {
38       break;
39     } else {
40       // sleep one second to give time to the JIT compiler.
41       sleep(1);
42     }
43   }
44 
45   CodeInfo info = header->GetOptimizedCodeInfo();
46   CodeInfoEncoding encoding = info.ExtractEncoding();
47   CHECK(info.HasInlineInfo(encoding));
48 }
49 
Java_Main_ensureJittedAndPolymorphicInline(JNIEnv *,jclass cls)50 extern "C" JNIEXPORT void JNICALL Java_Main_ensureJittedAndPolymorphicInline(JNIEnv*, jclass cls) {
51   jit::Jit* jit = Runtime::Current()->GetJit();
52   if (jit == nullptr) {
53     return;
54   }
55 
56   if (kIsDebugBuild) {
57     // A debug build might often compile the methods without profiling informations filled.
58     return;
59   }
60 
61   do_checks(cls, "testInvokeVirtual");
62   do_checks(cls, "testInvokeInterface");
63   do_checks(cls, "$noinline$testInlineToSameTarget");
64 }
65 
66 }  // namespace art
67