| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "art_method.h" |
| #include "jit/jit.h" |
| #include "jit/jit_code_cache.h" |
| #include "oat_quick_method_header.h" |
| #include "scoped_thread_state_change.h" |
| #include "ScopedUtfChars.h" |
| #include "stack_map.h" |
| |
| namespace art { |
| |
| extern "C" JNIEXPORT void JNICALL Java_Main_waitUntilJitted(JNIEnv* env, |
| jclass, |
| jclass itf, |
| jstring method_name) { |
| jit::Jit* jit = Runtime::Current()->GetJit(); |
| if (jit == nullptr) { |
| return; |
| } |
| |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| ScopedUtfChars chars(env, method_name); |
| CHECK(chars.c_str() != nullptr); |
| |
| mirror::Class* klass = soa.Decode<mirror::Class*>(itf); |
| ArtMethod* method = klass->FindDeclaredDirectMethodByName(chars.c_str(), sizeof(void*)); |
| |
| jit::JitCodeCache* code_cache = jit->GetCodeCache(); |
| OatQuickMethodHeader* header = nullptr; |
| while (true) { |
| header = OatQuickMethodHeader::FromEntryPoint(method->GetEntryPointFromQuickCompiledCode()); |
| if (code_cache->ContainsPc(header->GetCode())) { |
| break; |
| } else { |
| // yield to scheduler to give time to the JIT compiler. |
| sched_yield(); |
| } |
| } |
| } |
| |
| } // namespace art |
