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 "base/enums.h"
19 #include "jit/jit.h"
20 #include "jit/jit_code_cache.h"
21 #include "jit/profiling_info.h"
22 #include "mirror/class.h"
23 #include "nativehelper/ScopedUtfChars.h"
24 #include "oat_quick_method_header.h"
25 #include "scoped_thread_state_change-inl.h"
26 #include "stack_map.h"
27
28 namespace art {
29
do_checks(ArtMethod * method,ScopedObjectAccess & soa)30 static bool do_checks(ArtMethod* method, ScopedObjectAccess& soa)
31 REQUIRES_SHARED(Locks::mutator_lock_) {
32 jit::Jit* jit = Runtime::Current()->GetJit();
33 jit::JitCodeCache* code_cache = jit->GetCodeCache();
34
35 OatQuickMethodHeader* header = nullptr;
36 // Infinite loop... Test harness will have its own timeout.
37 while (true) {
38 const void* pc = method->GetEntryPointFromQuickCompiledCode();
39 if (code_cache->ContainsPc(pc) &&
40 !CodeInfo::IsBaseline(
41 OatQuickMethodHeader::FromEntryPoint(pc)->GetOptimizedCodeInfoPtr())) {
42 header = OatQuickMethodHeader::FromEntryPoint(pc);
43 break;
44 } else {
45 ScopedThreadSuspension sts(soa.Self(), kSuspended);
46 // Sleep to yield to the compiler thread.
47 usleep(1000);
48 }
49 // Will either ensure it's compiled or do the compilation itself.
50 jit->CompileMethod(method, soa.Self(), CompilationKind::kOptimized, /*prejit=*/ false);
51 }
52
53 CodeInfo info(header);
54 return info.HasInlineInfo();
55 }
56
Java_Main_ensureJittedAndPolymorphicInline566(JNIEnv * env,jclass cls,jstring method_name)57 extern "C" JNIEXPORT bool JNICALL Java_Main_ensureJittedAndPolymorphicInline566(JNIEnv* env,
58 jclass cls,
59 jstring method_name) {
60 jit::Jit* jit = Runtime::Current()->GetJit();
61 if (jit == nullptr) {
62 return true;
63 }
64
65 // The test only works when we use tiered JIT.
66 if (jit->JitAtFirstUse()) {
67 return true;
68 }
69
70 ScopedObjectAccess soa(Thread::Current());
71 ScopedUtfChars chars(env, method_name);
72 ArtMethod* method = soa.Decode<mirror::Class>(cls)->FindDeclaredDirectMethodByName(
73 chars.c_str(), kRuntimePointerSize);
74
75 if (method == nullptr) {
76 return false;
77 }
78
79 return do_checks(method, soa);
80 }
81
82 } // namespace art
83