diff options
| -rw-r--r-- | runtime/openjdkjvmti/ti_redefine.cc | 2 | ||||
| -rw-r--r-- | test/951-threaded-obsolete/expected.txt | 9 | ||||
| -rw-r--r-- | test/951-threaded-obsolete/info.txt | 4 | ||||
| -rwxr-xr-x | test/951-threaded-obsolete/run | 17 | ||||
| -rw-r--r-- | test/951-threaded-obsolete/src/Main.java | 96 | ||||
| -rw-r--r-- | test/951-threaded-obsolete/src/Transform.java | 30 |
6 files changed, 157 insertions, 1 deletions
diff --git a/runtime/openjdkjvmti/ti_redefine.cc b/runtime/openjdkjvmti/ti_redefine.cc index a173a4abdd..9c1d6ef0a5 100644 --- a/runtime/openjdkjvmti/ti_redefine.cc +++ b/runtime/openjdkjvmti/ti_redefine.cc @@ -178,7 +178,7 @@ class ObsoleteMethodStackVisitor : public art::StackVisitor { art::ClassLinker* cl = runtime->GetClassLinker(); auto ptr_size = cl->GetImagePointerSize(); const size_t method_size = art::ArtMethod::Size(ptr_size); - auto* method_storage = allocator_->Alloc(GetThread(), method_size); + auto* method_storage = allocator_->Alloc(art::Thread::Current(), method_size); CHECK(method_storage != nullptr) << "Unable to allocate storage for obsolete version of '" << old_method->PrettyMethod() << "'"; new_obsolete_method = new (method_storage) art::ArtMethod(); diff --git a/test/951-threaded-obsolete/expected.txt b/test/951-threaded-obsolete/expected.txt new file mode 100644 index 0000000000..83efda144d --- /dev/null +++ b/test/951-threaded-obsolete/expected.txt @@ -0,0 +1,9 @@ +hello +Not doing anything here +goodbye +hello +transforming calling function +goodbye +Hello - Transformed +Not doing anything here +Goodbye - Transformed diff --git a/test/951-threaded-obsolete/info.txt b/test/951-threaded-obsolete/info.txt new file mode 100644 index 0000000000..e7ef4a2b90 --- /dev/null +++ b/test/951-threaded-obsolete/info.txt @@ -0,0 +1,4 @@ +Tests basic obsolete method support + +This test ensures that obsolete methods will work even if the obsolete method is +on a different thread then where the redefinition was triggered. diff --git a/test/951-threaded-obsolete/run b/test/951-threaded-obsolete/run new file mode 100755 index 0000000000..c6e62ae6cd --- /dev/null +++ b/test/951-threaded-obsolete/run @@ -0,0 +1,17 @@ +#!/bin/bash +# +# Copyright 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. + +./default-run "$@" --jvmti diff --git a/test/951-threaded-obsolete/src/Main.java b/test/951-threaded-obsolete/src/Main.java new file mode 100644 index 0000000000..98e723670d --- /dev/null +++ b/test/951-threaded-obsolete/src/Main.java @@ -0,0 +1,96 @@ +/* + * 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. + */ + +import java.util.Base64; +import java.util.concurrent.Semaphore; + +public class Main { + // class Transform { + // public void sayHi(Runnable r) { + // System.out.println("Hello - Transformed"); + // r.run(); + // System.out.println("Goodbye - Transformed"); + // } + // } + private static final byte[] CLASS_BYTES = Base64.getDecoder().decode( + "yv66vgAAADQAJAoACAARCQASABMIABQKABUAFgsAFwAYCAAZBwAaBwAbAQAGPGluaXQ+AQADKClW" + + "AQAEQ29kZQEAD0xpbmVOdW1iZXJUYWJsZQEABXNheUhpAQAXKExqYXZhL2xhbmcvUnVubmFibGU7" + + "KVYBAApTb3VyY2VGaWxlAQAOVHJhbnNmb3JtLmphdmEMAAkACgcAHAwAHQAeAQATSGVsbG8gLSBU" + + "cmFuc2Zvcm1lZAcAHwwAIAAhBwAiDAAjAAoBABVHb29kYnllIC0gVHJhbnNmb3JtZWQBAAlUcmFu" + + "c2Zvcm0BABBqYXZhL2xhbmcvT2JqZWN0AQAQamF2YS9sYW5nL1N5c3RlbQEAA291dAEAFUxqYXZh" + + "L2lvL1ByaW50U3RyZWFtOwEAE2phdmEvaW8vUHJpbnRTdHJlYW0BAAdwcmludGxuAQAVKExqYXZh" + + "L2xhbmcvU3RyaW5nOylWAQASamF2YS9sYW5nL1J1bm5hYmxlAQADcnVuACAABwAIAAAAAAACAAAA" + + "CQAKAAEACwAAAB0AAQABAAAABSq3AAGxAAAAAQAMAAAABgABAAAAAQABAA0ADgABAAsAAAA7AAIA" + + "AgAAABeyAAISA7YABCu5AAUBALIAAhIGtgAEsQAAAAEADAAAABIABAAAAAMACAAEAA4ABQAWAAYA" + + "AQAPAAAAAgAQ"); + private static final byte[] DEX_BYTES = Base64.getDecoder().decode( + "ZGV4CjAzNQAYeAMMXgYWxoeSHAS9EWKCCtVRSAGpqZVQAwAAcAAAAHhWNBIAAAAAAAAAALACAAAR" + + "AAAAcAAAAAcAAAC0AAAAAwAAANAAAAABAAAA9AAAAAUAAAD8AAAAAQAAACQBAAAMAgAARAEAAKIB" + + "AACqAQAAwQEAANYBAADjAQAA+gEAAA4CAAAkAgAAOAIAAEwCAABcAgAAXwIAAGMCAAB3AgAAfAIA" + + "AIUCAACKAgAAAwAAAAQAAAAFAAAABgAAAAcAAAAIAAAACgAAAAoAAAAGAAAAAAAAAAsAAAAGAAAA" + + "lAEAAAsAAAAGAAAAnAEAAAUAAQANAAAAAAAAAAAAAAAAAAEAEAAAAAEAAgAOAAAAAgAAAAAAAAAD" + + "AAAADwAAAAAAAAAAAAAAAgAAAAAAAAAJAAAAAAAAAJ8CAAAAAAAAAQABAAEAAACRAgAABAAAAHAQ" + + "AwAAAA4ABAACAAIAAACWAgAAFAAAAGIAAAAbAQIAAABuIAIAEAByEAQAAwBiAAAAGwEBAAAAbiAC" + + "ABAADgABAAAAAwAAAAEAAAAEAAY8aW5pdD4AFUdvb2RieWUgLSBUcmFuc2Zvcm1lZAATSGVsbG8g" + + "LSBUcmFuc2Zvcm1lZAALTFRyYW5zZm9ybTsAFUxqYXZhL2lvL1ByaW50U3RyZWFtOwASTGphdmEv" + + "bGFuZy9PYmplY3Q7ABRMamF2YS9sYW5nL1J1bm5hYmxlOwASTGphdmEvbGFuZy9TdHJpbmc7ABJM" + + "amF2YS9sYW5nL1N5c3RlbTsADlRyYW5zZm9ybS5qYXZhAAFWAAJWTAASZW1pdHRlcjogamFjay00" + + "LjEzAANvdXQAB3ByaW50bG4AA3J1bgAFc2F5SGkAAQAHDgADAQAHDoc8hwAAAAEBAICABMQCAQHc" + + "AgAAAA0AAAAAAAAAAQAAAAAAAAABAAAAEQAAAHAAAAACAAAABwAAALQAAAADAAAAAwAAANAAAAAE" + + "AAAAAQAAAPQAAAAFAAAABQAAAPwAAAAGAAAAAQAAACQBAAABIAAAAgAAAEQBAAABEAAAAgAAAJQB" + + "AAACIAAAEQAAAKIBAAADIAAAAgAAAJECAAAAIAAAAQAAAJ8CAAAAEAAAAQAAALACAAA="); + + public static void main(String[] args) { + // Semaphores to let each thread know where the other is. We could use barriers but semaphores + // mean we don't need to have the worker thread be waiting around. + final Semaphore sem_redefine_start = new Semaphore(0); + final Semaphore sem_redefine_end = new Semaphore(0); + // Create a thread to do the actual redefinition. We will just communicate through an + // atomic-integer. + new Thread(() -> { + try { + // Wait for the other thread to ask for redefinition. + sem_redefine_start.acquire(); + // Do the redefinition. + doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES); + // Allow the other thread to wake up if it is waiting. + sem_redefine_end.release(); + } catch (InterruptedException e) { + throw new Error("unable to do redefinition", e); + } + }).start(); + + Transform t = new Transform(); + t.sayHi(() -> { System.out.println("Not doing anything here"); }); + t.sayHi(() -> { + try { + System.out.println("transforming calling function"); + // Wake up the waiting thread. + sem_redefine_start.release(); + // Wait for the other thread to finish with redefinition. + sem_redefine_end.acquire(); + } catch (InterruptedException e) { + throw new Error("unable to do redefinition", e); + } + }); + t.sayHi(() -> { System.out.println("Not doing anything here"); }); + } + + // Transforms the class + private static native void doCommonClassRedefinition(Class<?> target, + byte[] classfile, + byte[] dexfile); +} diff --git a/test/951-threaded-obsolete/src/Transform.java b/test/951-threaded-obsolete/src/Transform.java new file mode 100644 index 0000000000..8cda6cdf53 --- /dev/null +++ b/test/951-threaded-obsolete/src/Transform.java @@ -0,0 +1,30 @@ +/* + * 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. + */ + +class Transform { + public void sayHi(Runnable r) { + // Use lower 'h' to make sure the string will have a different string id + // than the transformation (the transformation code is the same except + // the actual printed String, which was making the test inacurately passing + // in JIT mode when loading the string from the dex cache, as the string ids + // of the two different strings were the same). + // We know the string ids will be different because lexicographically: + // "Hello" < "LTransform;" < "hello". + System.out.println("hello"); + r.run(); + System.out.println("goodbye"); + } +} |