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 "oat_quick_method_header.h"
23 #include "scoped_thread_state_change-inl.h"
24 #include "stack_map.h"
25
26 namespace art {
27
do_checks(jclass cls,const char * method_name)28 static void do_checks(jclass cls, const char* method_name) {
29 ScopedObjectAccess soa(Thread::Current());
30 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(cls);
31 jit::Jit* jit = Runtime::Current()->GetJit();
32 jit::JitCodeCache* code_cache = jit->GetCodeCache();
33 ArtMethod* method = klass->FindDeclaredDirectMethodByName(method_name, kRuntimePointerSize);
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 header = OatQuickMethodHeader::FromEntryPoint(pc);
41 break;
42 } else {
43 // Sleep to yield to the compiler thread.
44 usleep(1000);
45 // Will either ensure it's compiled or do the compilation itself.
46 jit->CompileMethod(method, soa.Self(), /* osr */ false);
47 }
48 }
49
50 CodeInfo info = header->GetOptimizedCodeInfo();
51 CodeInfoEncoding encoding = info.ExtractEncoding();
52 CHECK(info.HasInlineInfo(encoding));
53 }
54
allocate_profiling_info(jclass cls,const char * method_name)55 static void allocate_profiling_info(jclass cls, const char* method_name) {
56 ScopedObjectAccess soa(Thread::Current());
57 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(cls);
58 ArtMethod* method = klass->FindDeclaredDirectMethodByName(method_name, kRuntimePointerSize);
59 ProfilingInfo::Create(soa.Self(), method, /* retry_allocation */ true);
60 }
61
Java_Main_ensureProfilingInfo566(JNIEnv *,jclass cls)62 extern "C" JNIEXPORT void JNICALL Java_Main_ensureProfilingInfo566(JNIEnv*, jclass cls) {
63 jit::Jit* jit = Runtime::Current()->GetJit();
64 if (jit == nullptr) {
65 return;
66 }
67
68 allocate_profiling_info(cls, "testInvokeVirtual");
69 allocate_profiling_info(cls, "testInvokeInterface");
70 allocate_profiling_info(cls, "$noinline$testInlineToSameTarget");
71 }
72
Java_Main_ensureJittedAndPolymorphicInline566(JNIEnv *,jclass cls)73 extern "C" JNIEXPORT void JNICALL Java_Main_ensureJittedAndPolymorphicInline566(JNIEnv*, jclass cls) {
74 jit::Jit* jit = Runtime::Current()->GetJit();
75 if (jit == nullptr) {
76 return;
77 }
78
79 if (kIsDebugBuild) {
80 // A debug build might often compile the methods without profiling informations filled.
81 return;
82 }
83
84 do_checks(cls, "testInvokeVirtual");
85 do_checks(cls, "testInvokeInterface");
86 do_checks(cls, "testInvokeInterface2");
87 do_checks(cls, "$noinline$testInlineToSameTarget");
88 }
89
90 } // namespace art
91